merge with master

.gitignore

@@ -86,6 +86,9 @@ coverage.xml
 .hypothesis/
 .pytest_cache/
 
+# e2e tests
+e2e/manifests
+
 # Translations
 *.mo
 *.pot

Makefile

@@ -79,7 +79,8 @@ scm-source.json: .git
 
 tools:
 	GO111MODULE=on go get -u honnef.co/go/tools/cmd/staticcheck
-	GO111MODULE=on go get k8s.io/client-go@kubernetes-1.16.0
+	GO111MODULE=on go get k8s.io/client-go@kubernetes-1.16.3
+	GO111MODULE=on go mod tidy
 
 fmt:
 	@gofmt -l -w -s $(DIRS)
@@ -88,7 +89,7 @@ vet:
 	@go vet $(PKG)
 	@staticcheck $(PKG)
 
-deps:
+deps: tools
 	GO111MODULE=on go mod vendor
 
 test:

charts/postgres-operator/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: postgres-operator
-version: 1.2.0
-appVersion: 1.2.0
+version: 1.3.0
+appVersion: 1.3.0
 home: https://github.com/zalando/postgres-operator
 description: Postgres Operator creates and manages PostgreSQL clusters running in Kubernetes
 keywords:
@@ -13,8 +13,6 @@ keywords:
 maintainers:
 - name: Zalando
   email: opensource@zalando.de
-- name: kimxogus
-  email: kgyoo8232@gmail.com
 sources:
 - https://github.com/zalando/postgres-operator
 engine: gotpl

charts/postgres-operator/crds/operatorconfigurations.yaml

@@ -0,0 +1,316 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: operatorconfigurations.acid.zalan.do
+  labels:
+    app.kubernetes.io/name: postgres-operator
+  annotations:
+    "helm.sh/hook": crd-install
+spec:
+  group: acid.zalan.do
+  names:
+    kind: OperatorConfiguration
+    listKind: OperatorConfigurationList
+    plural: operatorconfigurations
+    singular: operatorconfiguration
+    shortNames:
+    - opconfig
+  additionalPrinterColumns:
+  - name: Image
+    type: string
+    description: Spilo image to be used for Pods
+    JSONPath: .configuration.docker_image
+  - name: Cluster-Label
+    type: string
+    description: Label for K8s resources created by operator
+    JSONPath: .configuration.kubernetes.cluster_name_label
+  - name: Service-Account
+    type: string
+    description: Name of service account to be used
+    JSONPath: .configuration.kubernetes.pod_service_account_name
+  - name: Min-Instances
+    type: integer
+    description: Minimum number of instances per Postgres cluster
+    JSONPath: .configuration.min_instances
+  - name: Age
+    type: date
+    JSONPath: .metadata.creationTimestamp
+  scope: Namespaced
+  subresources:
+    status: {}
+  version: v1
+  validation:
+    openAPIV3Schema:
+      type: object
+      required:
+        - kind
+        - apiVersion
+        - configuration
+      properties:
+        kind:
+          type: string
+          enum:
+            - OperatorConfiguration
+        apiVersion:
+          type: string
+          enum:
+            - acid.zalan.do/v1
+        configuration:
+          type: object
+          properties:
+            docker_image:
+              type: string
+            enable_crd_validation:
+              type: boolean
+            enable_shm_volume:
+              type: boolean
+            etcd_host:
+              type: string
+            max_instances:
+              type: integer
+              minimum: -1  # -1 = disabled
+            min_instances:
+              type: integer
+              minimum: -1  # -1 = disabled
+            resync_period:
+              type: string
+            repair_period:
+              type: string
+            set_memory_request_to_limit:
+              type: boolean
+            sidecar_docker_images:
+              type: object
+              additionalProperties:
+                type: string
+            workers:
+              type: integer
+              minimum: 1
+            users:
+              type: object
+              properties:
+                replication_username:
+                   type: string
+                super_username:
+                   type: string
+            kubernetes:
+              type: object
+              properties:
+                cluster_domain:
+                  type: string
+                cluster_labels:
+                  type: object
+                  additionalProperties:
+                    type: string
+                cluster_name_label:
+                  type: string
+                custom_pod_annotations:
+                  type: object
+                  additionalProperties:
+                    type: string
+                enable_init_containers:
+                  type: boolean
+                enable_pod_antiaffinity:
+                  type: boolean
+                enable_pod_disruption_budget:
+                  type: boolean
+                enable_sidecars:
+                  type: boolean
+                infrastructure_roles_secret_name:
+                  type: string
+                inherited_labels:
+                  type: array
+                  items:
+                    type: string
+                master_pod_move_timeout:
+                  type: string
+                node_readiness_label:
+                  type: object
+                  additionalProperties:
+                    type: string
+                oauth_token_secret_name:
+                  type: string
+                pdb_name_format:
+                  type: string
+                pod_antiaffinity_topology_key:
+                  type: string
+                pod_environment_configmap:
+                  type: string
+                pod_management_policy:
+                  type: string
+                  enum:
+                    - "ordered_ready"
+                    - "parallel"
+                pod_priority_class_name:
+                  type: string
+                pod_role_label:
+                  type: string
+                pod_service_account_definition:
+                  type: string
+                pod_service_account_name:
+                  type: string
+                pod_service_account_role_binding_definition:
+                  type: string
+                pod_terminate_grace_period:
+                  type: string
+                secret_name_template:
+                  type: string
+                spilo_fsgroup:
+                  type: integer
+                spilo_privileged:
+                  type: boolean
+                toleration:
+                  type: object
+                  additionalProperties:
+                    type: string
+                watched_namespace:
+                  type: string
+            postgres_pod_resources:
+              type: object
+              properties:
+                default_cpu_limit:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                default_cpu_request:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                default_memory_limit:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                default_memory_request:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+            timeouts:
+              type: object
+              properties:
+                pod_label_wait_timeout:
+                  type: string
+                pod_deletion_wait_timeout:
+                  type: string
+                ready_wait_interval:
+                  type: string
+                ready_wait_timeout:
+                  type: string
+                resource_check_interval:
+                  type: string
+                resource_check_timeout:
+                  type: string
+            load_balancer:
+              type: object
+              properties:
+                custom_service_annotations:
+                  type: object
+                  additionalProperties:
+                    type: string
+                db_hosted_zone:
+                  type: string
+                enable_master_load_balancer:
+                  type: boolean
+                enable_replica_load_balancer:
+                  type: boolean
+                master_dns_name_format:
+                  type: string
+                replica_dns_name_format:
+                  type: string
+            aws_or_gcp:
+              type: object
+              properties:
+                additional_secret_mount:
+                  type: string
+                additional_secret_mount_path:
+                  type: string
+                aws_region:
+                  type: string
+                kube_iam_role:
+                  type: string
+                log_s3_bucket:
+                  type: string
+                wal_s3_bucket:
+                  type: string
+            logical_backup:
+              type: object
+              properties:
+                logical_backup_docker_image:
+                  type: string
+                logical_backup_s3_access_key_id:
+                  type: string
+                logical_backup_s3_bucket:
+                  type: string
+                logical_backup_s3_endpoint:
+                  type: string
+                logical_backup_s3_secret_access_key:
+                  type: string
+                logical_backup_s3_sse:
+                  type: string
+                logical_backup_schedule:
+                  type: string
+                  pattern: '^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$'
+            debug:
+              type: object
+              properties:
+                debug_logging:
+                  type: boolean
+                enable_database_access:
+                  type: boolean
+            teams_api:
+              type: object
+              properties:
+                enable_admin_role_for_users:
+                  type: boolean
+                enable_team_superuser:
+                  type: boolean
+                enable_teams_api:
+                  type: boolean
+                pam_configuration:
+                  type: string
+                pam_role_name:
+                  type: string
+                postgres_superuser_teams:
+                  type: array
+                  items:
+                    type: string
+                protected_role_names:
+                  type: array
+                  items:
+                    type: string
+                team_admin_role:
+                  type: string
+                team_api_role_configuration:
+                  type: object
+                  additionalProperties:
+                    type: string
+                teams_api_url:
+                  type: string
+            logging_rest_api:
+              type: object
+              properties:
+                api_port:
+                  type: integer
+                cluster_history_entries:
+                  type: integer
+                ring_log_lines:
+                  type: integer
+            scalyr:
+              type: object
+              properties:
+                scalyr_api_key:
+                  type: string
+                scalyr_cpu_limit:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                scalyr_cpu_request:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                scalyr_image:
+                  type: string
+                scalyr_memory_limit:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                scalyr_memory_request:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                scalyr_server_url:
+                  type: string
+        status:
+          type: object
+          additionalProperties:
+            type: string

charts/postgres-operator/crds/postgresqls.yaml

@@ -0,0 +1,363 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: postgresqls.acid.zalan.do
+  labels:
+    app.kubernetes.io/name: postgres-operator
+  annotations:
+    "helm.sh/hook": crd-install
+spec:
+  group: acid.zalan.do
+  names:
+    kind: postgresql
+    listKind: postgresqlList
+    plural: postgresqls
+    singular: postgresql
+    shortNames:
+    - pg
+  additionalPrinterColumns:
+  - name: Team
+    type: string
+    description: Team responsible for Postgres CLuster
+    JSONPath: .spec.teamId
+  - name: Version
+    type: string
+    description: PostgreSQL version
+    JSONPath: .spec.postgresql.version
+  - name: Pods
+    type: integer
+    description: Number of Pods per Postgres cluster
+    JSONPath: .spec.numberOfInstances
+  - name: Volume
+    type: string
+    description: Size of the bound volume
+    JSONPath: .spec.volume.size
+  - name: CPU-Request
+    type: string
+    description: Requested CPU for Postgres containers
+    JSONPath: .spec.resources.requests.cpu
+  - name: Memory-Request
+    type: string
+    description: Requested memory for Postgres containers
+    JSONPath: .spec.resources.requests.memory
+  - name: Age
+    type: date
+    JSONPath: .metadata.creationTimestamp
+  - name: Status
+    type: string
+    description: Current sync status of postgresql resource
+    JSONPath: .status.PostgresClusterStatus
+  scope: Namespaced
+  subresources:
+    status: {}
+  version: v1
+  validation:
+    openAPIV3Schema:
+      type: object
+      required:
+        - kind
+        - apiVersion
+        - spec
+      properties:
+        kind:
+          type: string
+          enum:
+            - postgresql
+        apiVersion:
+          type: string
+          enum:
+            - acid.zalan.do/v1
+        spec:
+          type: object
+          required:
+            - numberOfInstances
+            - teamId
+            - postgresql
+          properties:
+            allowedSourceRanges:
+              type: array
+              nullable: true
+              items:
+                type: string
+                pattern: '^(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\/(\d|[1-2]\d|3[0-2])$'
+            clone:
+              type: object
+              required:
+                - cluster
+              properties:
+                cluster:
+                  type: string
+                s3_endpoint:
+                  type: string
+                s3_access_key_id:
+                  type: string
+                s3_secret_access_key:
+                  type: string
+                s3_force_path_style:
+                  type: string
+                s3_wal_path:
+                  type: string
+                timestamp:
+                  type: string
+                  pattern: '^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(([Zz])|([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$'
+                  # The regexp matches the date-time format (RFC 3339 Section 5.6) that specifies a timezone as an offset relative to UTC
+                  # Example: 1996-12-19T16:39:57-08:00
+                  # Note: this field requires a timezone
+                uid:
+                  format: uuid
+                  type: string
+            databases:
+              type: object
+              additionalProperties:
+                type: string
+              # Note: usernames specified here as database owners must be declared in the users key of the spec key.
+            dockerImage:
+              type: string
+            enableLogicalBackup:
+              type: boolean
+            enableMasterLoadBalancer:
+              type: boolean
+            enableReplicaLoadBalancer:
+              type: boolean
+            enableShmVolume:
+              type: boolean
+            init_containers:  # deprecated
+              type: array
+              nullable: true
+              items:
+                type: object
+                additionalProperties: true
+            initContainers:
+              type: array
+              nullable: true
+              items:
+                type: object
+                additionalProperties: true
+            logicalBackupSchedule:
+              type: string
+              pattern: '^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$'
+            maintenanceWindows:
+              type: array
+              items:
+                type: string
+                pattern: '^\ *((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\d):([0-5]?\d)|(2[0-3]|[01]?\d):([0-5]?\d))-((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\d):([0-5]?\d)|(2[0-3]|[01]?\d):([0-5]?\d))\ *$'
+            numberOfInstances:
+              type: integer
+              minimum: 0
+            patroni:
+              type: object
+              properties:
+                initdb:
+                  type: object
+                  additionalProperties:
+                    type: string
+                pg_hba:
+                  type: array
+                  items:
+                    type: string
+                slots:
+                  type: object
+                  additionalProperties:
+                    type: object
+                    additionalProperties:
+                      type: string
+                ttl:
+                  type: integer
+                loop_wait:
+                  type: integer
+                retry_timeout:
+                  type: integer
+                maximum_lag_on_failover:
+                  type: integer
+            podAnnotations:
+              type: object
+              additionalProperties:
+                type: string
+            pod_priority_class_name:  # deprecated
+              type: string
+            podPriorityClassName:
+              type: string
+            postgresql:
+              type: object
+              required:
+                - version
+              properties:
+                version:
+                  type: string
+                  enum:
+                    - "9.3"
+                    - "9.4"
+                    - "9.5"
+                    - "9.6"
+                    - "10"
+                    - "11"
+                    - "12"
+                parameters:
+                  type: object
+                  additionalProperties:
+                    type: string
+            replicaLoadBalancer:  # deprecated
+              type: boolean
+            resources:
+              type: object
+              required:
+                - requests
+                - limits
+              properties:
+                limits:
+                  type: object
+                  required:
+                    - cpu
+                    - memory
+                  properties:
+                    cpu:
+                      type: string
+                      # Decimal natural followed by m, or decimal natural followed by
+                      # dot followed by up to three decimal digits.
+                      #
+                      # This is because the Kubernetes CPU resource has millis as the
+                      # maximum precision.  The actual values are checked in code
+                      # because the regular expression would be huge and horrible and
+                      # not very helpful in validation error messages; this one checks
+                      # only the format of the given number.
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-cpu
+                      pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                      # Note: the value specified here must not be zero or be lower
+                      # than the corresponding request.
+                    memory:
+                      type: string
+                      # You can express memory as a plain integer or as a fixed-point
+                      # integer using one of these suffixes: E, P, T, G, M, k. You can
+                      # also use the power-of-two equivalents: Ei, Pi, Ti, Gi, Mi, Ki
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-memory
+                      pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                      # Note: the value specified here must not be zero or be lower
+                      # than the corresponding request.
+                requests:
+                  type: object
+                  required:
+                    - cpu
+                    - memory
+                  properties:
+                    cpu:
+                      type: string
+                      # Decimal natural followed by m, or decimal natural followed by
+                      # dot followed by up to three decimal digits.
+                      #
+                      # This is because the Kubernetes CPU resource has millis as the
+                      # maximum precision.  The actual values are checked in code
+                      # because the regular expression would be huge and horrible and
+                      # not very helpful in validation error messages; this one checks
+                      # only the format of the given number.
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-cpu
+                      pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                      # Note: the value specified here must not be zero or be higher
+                      # than the corresponding limit.
+                    memory:
+                      type: string
+                      # You can express memory as a plain integer or as a fixed-point
+                      # integer using one of these suffixes: E, P, T, G, M, k. You can
+                      # also use the power-of-two equivalents: Ei, Pi, Ti, Gi, Mi, Ki
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-memory
+                      pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                      # Note: the value specified here must not be zero or be higher
+                      # than the corresponding limit.
+            sidecars:
+              type: array
+              nullable: true
+              items:
+                type: object
+                additionalProperties: true
+            spiloFSGroup:
+              type: integer
+            standby:
+              type: object
+              required:
+                - s3_wal_path
+              properties:
+                s3_wal_path:
+                  type: string
+            teamId:
+              type: string
+            tolerations:
+              type: array
+              items:
+                type: object
+                required:
+                  - key
+                  - operator
+                  - effect
+                properties:
+                  key:
+                    type: string
+                  operator:
+                    type: string
+                    enum:
+                      - Equal
+                      - Exists
+                  value:
+                    type: string
+                  effect:
+                    type: string
+                    enum:
+                      - NoExecute
+                      - NoSchedule
+                      - PreferNoSchedule
+                  tolerationSeconds:
+                    type: integer
+            useLoadBalancer:  # deprecated
+              type: boolean
+            users:
+              type: object
+              additionalProperties:
+                type: array
+                nullable: true
+                description: "Role flags specified here must not contradict each other"
+                items:
+                  type: string
+                  enum:
+                  - bypassrls
+                  - BYPASSRLS
+                  - nobypassrls
+                  - NOBYPASSRLS
+                  - createdb
+                  - CREATEDB
+                  - nocreatedb
+                  - NOCREATEDB
+                  - createrole
+                  - CREATEROLE
+                  - nocreaterole
+                  - NOCREATEROLE
+                  - inherit
+                  - INHERIT
+                  - noinherit
+                  - NOINHERIT
+                  - login
+                  - LOGIN
+                  - nologin
+                  - NOLOGIN
+                  - replication
+                  - REPLICATION
+                  - noreplication
+                  - NOREPLICATION
+                  - superuser
+                  - SUPERUSER
+                  - nosuperuser
+                  - NOSUPERUSER
+            volume:
+              type: object
+              required:
+                - size
+              properties:
+                size:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                  # Note: the value specified here must not be zero.
+                storageClass:
+                  type: string
+                subPath:
+                  type: string

charts/postgres-operator/index.yaml

@@ -1,13 +1,34 @@
 apiVersion: v1
 entries:
   postgres-operator:
+  - apiVersion: v1
+    appVersion: 1.3.0
+    created: "2019-12-17T12:58:49.477140129+01:00"
+    description: Postgres Operator creates and manages PostgreSQL clusters running
+      in Kubernetes
+    digest: 7e788fd37daec76a01f6d6f9fe5be5b54f5035e4eba0041e80a760d656537325
+    home: https://github.com/zalando/postgres-operator
+    keywords:
+    - postgres
+    - operator
+    - cloud-native
+    - patroni
+    - spilo
+    maintainers:
+    - email: opensource@zalando.de
+      name: Zalando
+    name: postgres-operator
+    sources:
+    - https://github.com/zalando/postgres-operator
+    urls:
+    - postgres-operator-1.3.0.tgz
+    version: 1.3.0
   - apiVersion: v1
     appVersion: 1.2.0
-    created: "2019-08-13T17:33:32.735021423+02:00"
+    created: "2019-12-17T12:58:49.475844233+01:00"
     description: Postgres Operator creates and manages PostgreSQL clusters running
       in Kubernetes
     digest: d10710c7cf19f4e266e7704f5d1e98dcfc61bee3919522326c35c22ca7d2f2bf
-    engine: gotpl
     home: https://github.com/zalando/postgres-operator
     keywords:
     - postgres
@@ -26,4 +47,4 @@ entries:
     urls:
     - postgres-operator-1.2.0.tgz
     version: 1.2.0
-generated: "2019-08-13T17:33:32.734335398+02:00"
+generated: "2019-12-17T12:58:49.474719294+01:00"

charts/postgres-operator/templates/crds.yaml

@@ -0,0 +1,6 @@
+{{ if .Values.crd.create }}
+{{- range $path, $bytes := .Files.Glob "crds/*.yaml" }}
+{{ $.Files.Get $path }}
+---
+{{- end }}
+{{- end }}

charts/postgres-operator/templates/customrresourcedefinition.yaml

@@ -1,103 +0,0 @@
-{{ if .Values.crd.create }}
-apiVersion: apiextensions.k8s.io/v1beta1
-kind: CustomResourceDefinition
-metadata:
-  name: postgresqls.acid.zalan.do
-  labels:
-    app.kubernetes.io/name: {{ template "postgres-operator.name" . }}
-    helm.sh/chart: {{ template "postgres-operator.chart" . }}
-    app.kubernetes.io/managed-by: {{ .Release.Service }}
-    app.kubernetes.io/instance: {{ .Release.Name }}
-  annotations:
-    "helm.sh/hook": crd-install
-spec:
-  group: acid.zalan.do
-  names:
-    kind: postgresql
-    listKind: postgresqlList
-    plural: postgresqls
-    singular: postgresql
-    shortNames:
-    - pg
-  additionalPrinterColumns:
-  - name: Team
-    type: string
-    description: Team responsible for Postgres CLuster
-    JSONPath: .spec.teamId
-  - name: Version
-    type: string
-    description: PostgreSQL version
-    JSONPath: .spec.postgresql.version
-  - name: Pods
-    type: integer
-    description: Number of Pods per Postgres cluster
-    JSONPath: .spec.numberOfInstances
-  - name: Volume
-    type: string
-    description: Size of the bound volume
-    JSONPath: .spec.volume.size
-  - name: CPU-Request
-    type: string
-    description: Requested CPU for Postgres containers
-    JSONPath: .spec.resources.requests.cpu
-  - name: Memory-Request
-    type: string
-    description: Requested memory for Postgres containers
-    JSONPath: .spec.resources.requests.memory
-  - name: Age
-    type: date
-    JSONPath: .metadata.creationTimestamp
-  - name: Status
-    type: string
-    description: Current sync status of postgresql resource
-    JSONPath: .status.PostgresClusterStatus
-  scope: Namespaced
-  subresources:
-    status: {}
-  version: v1
----
-apiVersion: apiextensions.k8s.io/v1beta1
-kind: CustomResourceDefinition
-metadata:
-  name: operatorconfigurations.acid.zalan.do
-  labels:
-    app.kubernetes.io/name: {{ template "postgres-operator.name" . }}
-    helm.sh/chart: {{ template "postgres-operator.chart" . }}
-    app.kubernetes.io/managed-by: {{ .Release.Service }}
-    app.kubernetes.io/instance: {{ .Release.Name }}
-  annotations:
-    "helm.sh/hook": crd-install
-spec:
-  group: acid.zalan.do
-  names:
-    kind: OperatorConfiguration
-    listKind: OperatorConfigurationList
-    plural: operatorconfigurations
-    singular: operatorconfiguration
-    shortNames:
-    - opconfig
-  additionalPrinterColumns:
-  - name: Image
-    type: string
-    description: Spilo image to be used for Pods
-    JSONPath: .configuration.docker_image
-  - name: Cluster-Label
-    type: string
-    description: Label for K8s resources created by operator
-    JSONPath: .configuration.kubernetes.cluster_name_label
-  - name: Service-Account
-    type: string
-    description: Name of service account to be used
-    JSONPath: .configuration.kubernetes.pod_service_account_name
-  - name: Min-Instances
-    type: integer
-    description: Minimum number of instances per Postgres cluster
-    JSONPath: .configuration.min_instances
-  - name: Age
-    type: date
-    JSONPath: .metadata.creationTimestamp
-  scope: Namespaced
-  subresources:
-    status: {}
-  version: v1
-{{ end }}

charts/postgres-operator/templates/operatorconfiguration.yaml

@@ -14,7 +14,7 @@ configuration:
 {{ toYaml .Values.configUsers | indent 4 }}
   kubernetes:
     oauth_token_secret_name: {{ template "postgres-operator.fullname" . }}
-    pod_service_account_name: operator
+    pod_service_account_name: {{ include "postgres-operator.serviceAccountName" . }}
 {{ toYaml .Values.configKubernetes | indent 4 }}
   postgres_pod_resources:
 {{ toYaml .Values.configPostgresPodResources | indent 4 }}

charts/postgres-operator/values-crd.yaml

@@ -1,7 +1,7 @@
 image:
   registry: registry.opensource.zalan.do
   repository: acid/postgres-operator
-  tag: v1.2.0
+  tag: v1.3.0
   pullPolicy: "IfNotPresent"
 
 # Optionally specify an array of imagePullSecrets.
@@ -17,12 +17,14 @@ configTarget: "OperatorConfigurationCRD"
 
 # general top-level configuration parameters
 configGeneral:
+  # choose if deployment creates/updates CRDs with OpenAPIV3Validation
+  enable_crd_validation: true
   # start any new database pod without limitations on shm memory
   enable_shm_volume: true
   # etcd connection string for Patroni. Empty uses K8s-native DCS.
   etcd_host: ""
   # Spilo docker image
-  docker_image: registry.opensource.zalan.do/acid/spilo-11:1.6-p1
+  docker_image: registry.opensource.zalan.do/acid/spilo-cdp-12:1.6-p16
   # max number of instances in Postgres cluster. -1 = no limit
   min_instances: -1
   # min number of instances in Postgres cluster. -1 = no limit
@@ -53,13 +55,22 @@ configKubernetes:
   cluster_domain: cluster.local
   # additional labels assigned to the cluster objects
   cluster_labels:
-      application: spilo
+    application: spilo
   # label assigned to Kubernetes objects created by the operator
   cluster_name_label: cluster-name
+  # additional annotations to add to every database pod
+  # custom_pod_annotations:
+  #   keya: valuea
+  #   keyb: valueb
+
+  # enables initContainers to run actions before Spilo is started
+  enable_init_containers: true
   # toggles pod anti affinity on the Postgres pods
   enable_pod_antiaffinity: false
   # toggles PDB to set to MinAvailabe 0 or 1
   enable_pod_disruption_budget: true
+  # enables sidecar containers to run alongside Spilo in the same pod
+  enable_sidecars: true
   # name of the secret containing infrastructure roles names and passwords
   # infrastructure_roles_secret_name: postgresql-infrastructure-roles
 
@@ -72,7 +83,8 @@ configKubernetes:
   # master_pod_move_timeout: 20m
 
   # set of labels that a running and active node should possess to be considered ready
-  # node_readiness_label: ""
+  # node_readiness_label:
+  #   status: ready
 
   # name of the secret containing the OAuth2 token to pass to the teams API
   # oauth_token_secret_name: postgresql-operator
@@ -136,7 +148,7 @@ configLoadBalancer:
   #   keya: valuea
 
   # toggles service type load balancer pointing to the master pod of the cluster
-  enable_master_load_balancer: true
+  enable_master_load_balancer: false
   # toggles service type load balancer pointing to the replica pod of the cluster
   enable_replica_load_balancer: false
   # defines the DNS name string template for the master load balancer cluster
@@ -182,12 +194,20 @@ configAwsOrGcp:
 
 # configure K8s cron job managed by the operator
 configLogicalBackup:
-  # backup schedule in the cron format
-  logical_backup_schedule: "30 00 * * *"
   # image for pods of the logical backup job (example runs pg_dumpall)
   logical_backup_docker_image: "registry.opensource.zalan.do/acid/logical-backup"
+  # S3 Access Key ID
+  logical_backup_s3_access_key_id: ""
   # S3 bucket to store backup results
   logical_backup_s3_bucket: "my-bucket-url"
+  # S3 endpoint url when not using AWS
+  logical_backup_s3_endpoint: ""
+  # S3 Secret Access Key
+  logical_backup_s3_secret_access_key: ""
+  # S3 server side encription
+  logical_backup_s3_sse: "AES256"
+  # backup schedule in the cron format
+  logical_backup_schedule: "30 00 * * *"
 
 # automate creation of human users with teams API service
 configTeamsApi:
@@ -204,7 +224,8 @@ configTeamsApi:
   # operator will add all team member roles to this group and add a pg_hba line
   pam_role_name: zalandos
   # List of teams which members need the superuser role in each Postgres cluster
-  # postgres_superuser_teams: "postgres_superusers"
+  # postgres_superuser_teams:
+  # - postgres_superusers
 
   # List of roles that cannot be overwritten by an application, team or infrastructure role
   protected_role_names:
@@ -218,7 +239,7 @@ configTeamsApi:
   # teams_api_url: http://fake-teams-api.default.svc.cluster.local
 
 # Scalyr is a log management tool that Zalando uses as a sidecar
-scalyr:
+configScalyr:
   # API key for the Scalyr sidecar
   # scalyr_api_key: ""
 
@@ -247,9 +268,7 @@ serviceAccount:
   create: true
   # The name of the ServiceAccount to use.
   # If not set and create is true, a name is generated using the fullname template
-  # When relying solely on the OperatorConfiguration CRD, this value has to be "operator"
-  # Otherwise, the operator tries to use the "default" service account which is forbidden
-  name: operator
+  name:
 
 priorityClassName: ""
 

charts/postgres-operator/values.yaml

@@ -1,7 +1,7 @@
 image:
   registry: registry.opensource.zalan.do
   repository: acid/postgres-operator
-  tag: v1.2.0
+  tag: v1.3.0
   pullPolicy: "IfNotPresent"
 
 # Optionally specify an array of imagePullSecrets.
@@ -17,12 +17,14 @@ configTarget: "ConfigMap"
 
 # general configuration parameters
 configGeneral:
+  # choose if deployment creates/updates CRDs with OpenAPIV3Validation
+  enable_crd_validation: "true"
   # start any new database pod without limitations on shm memory
   enable_shm_volume: "true"
   # etcd connection string for Patroni. Empty uses K8s-native DCS.
   etcd_host: ""
   # Spilo docker image
-  docker_image: registry.opensource.zalan.do/acid/spilo-11:1.6-p1
+  docker_image: registry.opensource.zalan.do/acid/spilo-cdp-12:1.6-p16
   # max number of instances in Postgres cluster. -1 = no limit
   min_instances: "-1"
   # min number of instances in Postgres cluster. -1 = no limit
@@ -54,10 +56,17 @@ configKubernetes:
   cluster_labels: application:spilo
   # label assigned to Kubernetes objects created by the operator
   cluster_name_label: version
+  # annotations attached to each database pod
+  # custom_pod_annotations: "keya:valuea,keyb:valueb"
+
+  # enables initContainers to run actions before Spilo is started
+  enable_init_containers: "true"
   # toggles pod anti affinity on the Postgres pods
   enable_pod_antiaffinity: "false"
   # toggles PDB to set to MinAvailabe 0 or 1
   enable_pod_disruption_budget: "true"
+  # enables sidecar containers to run alongside Spilo in the same pod
+  enable_sidecars: "true"
   # name of the secret containing infrastructure roles names and passwords
   # infrastructure_roles_secret_name: postgresql-infrastructure-roles
 
@@ -127,17 +136,16 @@ configLoadBalancer:
   # DNS zone for cluster DNS name when load balancer is configured for cluster
   db_hosted_zone: db.example.com
   # annotations to apply to service when load balancing is enabled
-  # custom_service_annotations:
-  #   "keyx:valuez,keya:valuea"
+  # custom_service_annotations: "keyx:valuez,keya:valuea"
 
   # toggles service type load balancer pointing to the master pod of the cluster
-  enable_master_load_balancer: "true"
+  enable_master_load_balancer: "false"
   # toggles service type load balancer pointing to the replica pod of the cluster
   enable_replica_load_balancer: "false"
   # defines the DNS name string template for the master load balancer cluster
-  master_dns_name_format: '{cluster}.{team}.staging.{hostedzone}'
+  master_dns_name_format: '{cluster}.{team}.{hostedzone}'
   # defines the DNS name string template for the replica load balancer cluster
-  replica_dns_name_format: '{cluster}-repl.{team}.staging.{hostedzone}'
+  replica_dns_name_format: '{cluster}-repl.{team}.{hostedzone}'
 
 # options to aid debugging of the operator itself
 configDebug:
@@ -177,12 +185,20 @@ configAwsOrGcp:
 
 # configure K8s cron job managed by the operator
 configLogicalBackup:
-  # backup schedule in the cron format
-  logical_backup_schedule: "30 00 * * *"
   # image for pods of the logical backup job (example runs pg_dumpall)
   logical_backup_docker_image: "registry.opensource.zalan.do/acid/logical-backup"
+  # S3 Access Key ID
+  logical_backup_s3_access_key_id: ""
   # S3 bucket to store backup results
   logical_backup_s3_bucket: "my-bucket-url"
+  # S3 endpoint url when not using AWS
+  logical_backup_s3_endpoint: ""
+  # S3 Secret Access Key
+  logical_backup_s3_secret_access_key: ""
+  # S3 server side encription
+  logical_backup_s3_sse: "AES256"
+  # backup schedule in the cron format
+  logical_backup_schedule: "30 00 * * *"
 
 # automate creation of human users with teams API service
 configTeamsApi:

delivery.yaml

@@ -28,7 +28,7 @@ pipeline:
               IMAGE=registry-write.opensource.zalan.do/acid/postgres-operator-test
             fi
             export IMAGE
-            make tools deps docker
+            make deps docker
         - desc: 'Run unit tests'
           cmd: |
             export PATH=$PATH:$HOME/go/bin

docker/logical-backup/dump.sh

@@ -14,9 +14,8 @@ PG_BIN=$PG_DIR/$PG_VERSION/bin
 DUMP_SIZE_COEFF=5
 
 TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
-K8S_API_URL=https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT
+K8S_API_URL=https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_SERVICE_PORT/api/v1
 CERT=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
-CLUSTER_NAME_LABEL=cluster-name
 
 function estimate_size {
     "$PG_BIN"/psql -tqAc "${ALL_DB_SIZE_QUERY}"
@@ -39,63 +38,35 @@ function aws_upload {
     # NB: $LOGICAL_BACKUP_S3_BUCKET_SCOPE_SUFFIX already contains the leading "/" when set by the Postgres Operator
     PATH_TO_BACKUP=s3://$LOGICAL_BACKUP_S3_BUCKET"/spilo/"$SCOPE$LOGICAL_BACKUP_S3_BUCKET_SCOPE_SUFFIX"/logical_backups/"$(date +%s).sql.gz
 
-    if [ -z "$EXPECTED_SIZE" ]; then
-        aws s3 cp - "$PATH_TO_BACKUP" --debug --sse="AES256"
-    else
-        aws s3 cp - "$PATH_TO_BACKUP" --debug --expected-size "$EXPECTED_SIZE" --sse="AES256"
-    fi;
+    args=()
+
+    [[ ! -z "$EXPECTED_SIZE" ]] && args+=("--expected-size=$EXPECTED_SIZE")
+    [[ ! -z "$LOGICAL_BACKUP_S3_ENDPOINT" ]] && args+=("--endpoint-url=$LOGICAL_BACKUP_S3_ENDPOINT")
+    [[ ! "$LOGICAL_BACKUP_S3_SSE" == "" ]] && args+=("--sse=$LOGICAL_BACKUP_S3_SSE")
+
+    aws s3 cp - "$PATH_TO_BACKUP" "${args[@]//\'/}" --debug
 }
 
 function get_pods {
     declare -r SELECTOR="$1"
 
-    curl "${K8S_API_URL}/api/v1/namespaces/${POD_NAMESPACE}/pods?$SELECTOR"        \
-        --cacert $CERT                          \
+    curl "${K8S_API_URL}/namespaces/${POD_NAMESPACE}/pods?$SELECTOR" \
+        --cacert $CERT \
         -H "Authorization: Bearer ${TOKEN}" | jq .items[].status.podIP -r
 }
 
 function get_current_pod {
-    curl "${K8S_API_URL}/api/v1/namespaces/${POD_NAMESPACE}/pods?fieldSelector=metadata.name%3D${HOSTNAME}" \
-        --cacert $CERT   \
+    curl "${K8S_API_URL}/namespaces/${POD_NAMESPACE}/pods?fieldSelector=metadata.name%3D${HOSTNAME}" \
+        --cacert $CERT \
         -H "Authorization: Bearer ${TOKEN}"
 }
 
 declare -a search_strategy=(
-    get_cluster_name_label
     list_all_replica_pods_current_node
     list_all_replica_pods_any_node
     get_master_pod
 )
 
-function get_config_resource() {
-    curl "${K8S_API_URL}/apis/apps/v1/namespaces/default/deployments/postgres-operator" \
-        --cacert $CERT   \
-        -H "Authorization: Bearer ${TOKEN}" | jq '.spec.template.spec.containers[0].env[] | select(.name == "$1") | .value'
-}
-
-function get_cluster_name_label {
-    local config
-    local clustername
-
-    config=$(get_config_resource "CONFIG_MAP_NAME")
-    if [ -n "$config" ]; then
-        clustername=$(curl "${K8S_API_URL}/api/v1/namespaces/default/configmaps/${config}" \
-                            --cacert $CERT   \
-                            -H "Authorization: Bearer ${TOKEN}" | jq '.data.cluster_name_label')
-    else
-        config=$(get_config_resource "POSTGRES_OPERATOR_CONFIGURATION_OBJECT")
-        if [ -n "$config" ]; then
-            clustername=$(curl "${K8S_API_URL}/apis/acid.zalan.do/v1/namespaces/default/operatorconfigurations/${config}" \
-                                --cacert $CERT   \
-                                -H "Authorization: Bearer ${TOKEN}" | jq '.configuration.kubernetes.cluster_name_label')
-        fi
-    fi
-
-    if [ -n "$clustername" ]; then
-        CLUSTER_NAME_LABEL=${clustername}
-    fi;
-}
-
 function list_all_replica_pods_current_node {
     get_pods "labelSelector=${CLUSTER_NAME_LABEL}%3D${SCOPE},spilo-role%3Dreplica&fieldSelector=spec.nodeName%3D${CURRENT_NODENAME}" | head -n 1
 }

docs/administrator.md

@@ -3,6 +3,50 @@
 Learn how to configure and manage the Postgres Operator in your Kubernetes (K8s)
 environment.
 
+## Minor and major version upgrade
+
+Minor version upgrades for PostgreSQL are handled via updating the Spilo Docker
+image. The operator will carry out a rolling update of Pods which includes a
+switchover (planned failover) of the master to the Pod with new minor version.
+The switch should usually take less than 5 seconds, still clients have to
+reconnect.
+
+Major version upgrades are supported via [cloning](user.md#clone-directly). The
+new cluster manifest must have a higher `version` string than the source cluster
+and will be created from a basebackup. Depending of the cluster size, downtime
+in this case can be significant as writes to the database should be stopped and
+all WAL files should be archived first before cloning is started.
+
+Note, that simply changing the version string in the `postgresql` manifest does
+not work at present and leads to errors. Neither Patroni nor Postgres Operator
+can do in place `pg_upgrade`. Still, it can be executed manually in the Postgres
+container, which is tricky (i.e. systems need to be stopped, replicas have to be
+synced) but of course faster than cloning.
+
+## CRD Validation
+
+[CustomResourceDefinitions](https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/#customresourcedefinitions)
+will be registered with schema validation by default when the operator is
+deployed. The `OperatorConfiguration` CRD will only get created if the
+`POSTGRES_OPERATOR_CONFIGURATION_OBJECT` [environment variable](../manifests/postgres-operator.yaml#L36)
+in the deployment yaml is set and not empty.
+
+When submitting manifests of [`postgresql`](../manifests/postgresql.crd.yaml) or
+[`OperatorConfiguration`](../manifests/operatorconfiguration.crd.yaml) custom
+resources with kubectl, validation can be bypassed with `--validate=false`. The
+operator can also be configured to not register CRDs with validation on `ADD` or
+`UPDATE` events. Running instances are not affected when enabling the validation
+afterwards unless the manifests is not changed then. Note, that the provided CRD
+manifests contain the validation for users to understand what schema is
+enforced.
+
+Once the validation is enabled it can only be disabled manually by editing or
+patching the CRD manifest:
+
+```bash
+zk8 patch crd postgresqls.acid.zalan.do -p '{"spec":{"validation": null}}'
+```
+
 ## Namespaces
 
 ### Select the namespace to deploy to
@@ -32,7 +76,7 @@ By default, the operator watches the namespace it is deployed to. You can
 change this by setting the `WATCHED_NAMESPACE` var in the `env` section of the
 [operator deployment](../manifests/postgres-operator.yaml) manifest or by
 altering the `watched_namespace` field in the operator
-[ConfigMap](../manifests/configmap.yaml#L79).
+[configuration](../manifests/postgresql-operator-default-configuration.yaml#L49).
 In the case both are set, the env var takes the precedence. To make the
 operator listen to all namespaces, explicitly set the field/env var to "`*`".
 
@@ -71,8 +115,6 @@ is used by the operator to connect to the clusters after creation.
 
 ## Role-based access control for the operator
 
-### Service account and cluster roles
-
 The manifest [`operator-service-account-rbac.yaml`](../manifests/operator-service-account-rbac.yaml)
 defines the service account, cluster roles and bindings needed for the operator
 to function under access control restrictions. To deploy the operator with this
@@ -85,6 +127,8 @@ kubectl create -f manifests/postgres-operator.yaml
 kubectl create -f manifests/minimal-postgres-manifest.yaml
 ```
 
+### Service account and cluster roles
+
 Note that the service account is named `zalando-postgres-operator`. You may have
 to change the `service_account_name` in the operator ConfigMap and
 `serviceAccountName` in the `postgres-operator` deployment appropriately. This
@@ -92,12 +136,6 @@ is done intentionally to avoid breaking those setups that already work with the
 default `operator` account. In the future the operator should ideally be run
 under the `zalando-postgres-operator` service account.
 
-The service account defined in `operator-service-account-rbac.yaml` acquires
-some privileges not used by the operator (i.e. we only need `list` and `watch`
-on `configmaps` resources). This is also done intentionally to avoid breaking
-things if someone decides to configure the same service account in the
-operator's ConfigMap to run Postgres clusters.
-
 ### Give K8s users access to create/list `postgresqls`
 
 By default `postgresql` custom resources can only be listed and changed by
@@ -115,7 +153,7 @@ that are aggregated into the K8s [default roles](https://kubernetes.io/docs/refe
 
 To ensure Postgres pods are running on nodes without any other application pods,
 you can use [taints and tolerations](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/)
-and configure the required toleration in the operator ConfigMap.
+and configure the required toleration in the operator configuration.
 
 As an example you can set following node taint:
 
@@ -133,7 +171,20 @@ metadata:
   name: postgres-operator
 data:
   toleration: "key:postgres,operator:Exists,effect:NoSchedule"
-  ...
+```
+
+For an OperatorConfiguration resource the toleration should be defined like
+this:
+
+```yaml
+apiVersion: "acid.zalan.do/v1"
+kind: OperatorConfiguration
+metadata:
+  name: postgresql-configuration
+configuration:
+  kubernetes:
+    toleration:
+      postgres: "key:postgres,operator:Exists,effect:NoSchedule"
 ```
 
 Note that the K8s version 1.13 brings [taint-based eviction](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/#taint-based-evictions)
@@ -148,7 +199,7 @@ completely, specify the toleration by leaving out the `tolerationSeconds` value
 
 To ensure Postgres pods are running on different topologies, you can use
 [pod anti affinity](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/)
-and configure the required topology in the operator ConfigMap.
+and configure the required topology in the operator configuration.
 
 Enable pod anti affinity by adding following line to the operator ConfigMap:
 
@@ -161,21 +212,22 @@ data:
   enable_pod_antiaffinity: "true"
 ```
 
-By default the topology key for the pod anti affinity is set to
-`kubernetes.io/hostname`, you can set another topology key e.g.
-`failure-domain.beta.kubernetes.io/zone` by adding following line to the
-operator ConfigMap, see [built-in node labels](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#interlude-built-in-node-labels) for available topology keys:
+Likewise, when using an OperatorConfiguration resource add:
 
 ```yaml
-apiVersion: v1
-kind: ConfigMap
+apiVersion: "acid.zalan.do/v1"
+kind: OperatorConfiguration
 metadata:
-  name: postgres-operator
-data:
-  enable_pod_antiaffinity: "true"
-  pod_antiaffinity_topology_key: "failure-domain.beta.kubernetes.io/zone"
+  name: postgresql-configuration
+configuration:
+  kubernetes:
+    enable_pod_antiaffinity: true
 ```
 
+By default the topology key for the pod anti affinity is set to
+`kubernetes.io/hostname`, you can set another topology key e.g.
+`failure-domain.beta.kubernetes.io/zone`. See [built-in node labels](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#interlude-built-in-node-labels) for available topology keys.
+
 ## Pod Disruption Budget
 
 By default the operator uses a PodDisruptionBudget (PDB) to protect the cluster
@@ -210,7 +262,6 @@ metadata:
   name: postgres-operator
 data:
   inherited_labels: application,environment
-  ...
 ```
 
 **OperatorConfiguration**
@@ -225,7 +276,6 @@ configuration:
     inherited_labels:
     - application
     - environment
-...
 ```
 
 **cluster manifest**
@@ -239,7 +289,7 @@ metadata:
     application: my-app
     environment: demo
 spec:
-...
+  ...
 ```
 
 **network policy**
@@ -254,7 +304,6 @@ spec:
     matchLabels:
       application: my-app
       environment: demo
-...
 ```
 
 
@@ -277,7 +326,19 @@ metadata:
 data:
   # referencing config map with custom settings
   pod_environment_configmap: postgres-pod-config
-  ...
+```
+
+**OperatorConfiguration**
+
+```yaml
+apiVersion: "acid.zalan.do/v1"
+kind: OperatorConfiguration
+metadata:
+  name: postgresql-operator-configuration
+configuration:
+  kubernetes:
+    # referencing config map with custom settings
+    pod_environment_configmap: postgres-pod-config
 ```
 
 **referenced ConfigMap `postgres-pod-config`**
@@ -312,7 +373,7 @@ services: one for the master pod and one for replica pods. To expose these
 services to an outer network, one can attach load balancers to them by setting
 `enableMasterLoadBalancer` and/or `enableReplicaLoadBalancer` to `true` in the
 cluster manifest. In the case any of these variables are omitted from the
-manifest, the operator configmap's settings `enable_master_load_balancer` and
+manifest, the operator configuration settings `enable_master_load_balancer` and
 `enable_replica_load_balancer` apply. Note that the operator settings affect
 all Postgresql services running in all namespaces watched by the operator.
 
@@ -358,12 +419,12 @@ external systems but defined for an individual Postgres cluster in its manifest.
 A typical example is a role for connections from an application that uses the
 database.
 
-* **Human users** originate from the Teams API that returns a list of the team
-members given a team id. The operator differentiates between (a) product teams
-that own a particular Postgres cluster and are granted admin rights to maintain
-it, and (b) Postgres superuser teams that get the superuser access to all
-Postgres databases running in a K8s cluster for the purposes of maintaining and
-troubleshooting.
+* **Human users** originate from the [Teams API](user.md#teams-api-roles) that
+returns a list of the team members given a team id. The operator differentiates
+between (a) product teams that own a particular Postgres cluster and are granted
+admin rights to maintain it, and (b) Postgres superuser teams that get the
+superuser access to all Postgres databases running in a K8s cluster for the
+purposes of maintaining and troubleshooting.
 
 ## Understanding rolling update of Spilo pods
 
@@ -427,7 +488,7 @@ A secret can be pre-provisioned in different ways:
 
 With the v1.2 release the Postgres Operator is shipped with a browser-based
 configuration user interface (UI) that simplifies managing Postgres clusters
-with the operator. The UI runs with Node.js and comes with it's own docker
+with the operator. The UI runs with Node.js and comes with it's own Docker
 image.
 
 Run NPM to continuously compile `tags/js` code. Basically, it creates an
@@ -439,14 +500,14 @@ Run NPM to continuously compile `tags/js` code. Basically, it creates an
 
 To build the Docker image open a shell and change to the `ui` folder. Then run:
 
-```
+```bash
 docker build -t registry.opensource.zalan.do/acid/postgres-operator-ui:v1.2.0 .
 ```
 
 Apply all manifests for the `ui/manifests` folder to deploy the Postgres
 Operator UI on K8s. For local tests you don't need the Ingress resource.
 
-```
+```bash
 kubectl apply -f ui/manifests
 ```
 
@@ -456,6 +517,6 @@ to the K8s and Postgres Operator REST API. You can use the provided
 `run_local.sh` script for this. Make sure it uses the correct URL to your K8s
 API server, e.g. for minikube it would be `https://192.168.99.100:8443`.
 
-```
+```bash
 ./run_local.sh
 ```

docs/developer.md

@@ -33,14 +33,14 @@ by setting the `GO111MODULE` environment variable to `on`. The make targets do
 this for you, so simply run
 
 ```bash
-make tools deps
+make deps
 ```
 
 This would take a while to complete. You have to redo `make deps` every time
 your dependencies list changes, i.e. after adding a new library dependency.
 
 Build the operator with the `make docker` command. You may define the TAG
-variable to assign an explicit tag to your docker image and the IMAGE to set
+variable to assign an explicit tag to your Docker image and the IMAGE to set
 the image name. By default, the tag is computed with
 `git describe --tags --always --dirty` and the image is
 `registry.opensource.zalan.do/acid/postgres-operator`
@@ -60,10 +60,10 @@ The binary will be placed into the build directory.
 
 ## Deploying self build image
 
-The fastest way to run and test your docker image locally is to reuse the docker
-from [minikube](https://github.com/kubernetes/minikube/releases) or use the
-`load docker-image` from [kind](https://kind.sigs.k8s.io/). The following steps
-will get you the docker image built and deployed.
+The fastest way to run and test your Docker image locally is to reuse the Docker
+environment from [minikube](https://github.com/kubernetes/minikube/releases)
+or use the `load docker-image` from [kind](https://kind.sigs.k8s.io/). The
+following steps will get you the Docker image built and deployed.
 
 ```bash
 # minikube
@@ -162,7 +162,7 @@ The operator also supports pprof endpoints listed at the
 * /debug/pprof/trace
 
 It's possible to attach a debugger to troubleshoot postgres-operator inside a
-docker container. It's possible with [gdb](https://www.gnu.org/software/gdb/)
+Docker container. It's possible with [gdb](https://www.gnu.org/software/gdb/)
 and [delve](https://github.com/derekparker/delve). Since the latter one is a
 specialized debugger for Go, we will use it as an example. To use it you need:
 
@@ -284,6 +284,7 @@ manifest files:
 
 Postgres manifest parameters are defined in the [api package](../pkg/apis/acid.zalan.do/v1/postgresql_type.go).
 The operator behavior has to be implemented at least in [k8sres.go](../pkg/cluster/k8sres.go).
+Validation of CRD parameters is controlled in [crd.go](../pkg/apis/acid.zalan.do/v1/crds.go).
 Please, reflect your changes in tests, for example in:
 * [config_test.go](../pkg/util/config/config_test.go)
 * [k8sres_test.go](../pkg/cluster/k8sres_test.go)
@@ -294,6 +295,7 @@ Please, reflect your changes in tests, for example in:
 For the CRD-based configuration, please update the following files:
 * the default [OperatorConfiguration](../manifests/postgresql-operator-default-configuration.yaml)
 * the Helm chart's [values-crd file](../charts/postgres-operator/values.yaml)
+* the CRD's [validation](../manifests/operatorconfiguration.crd.yaml)
 
 Reflect the changes in the ConfigMap configuration as well (note that numeric
 and boolean parameters have to use double quotes here):

docs/index.md

@@ -13,7 +13,7 @@ manages PostgreSQL clusters on Kubernetes (K8s):
 
 2. The operator also watches updates to [its own configuration](../manifests/configmap.yaml)
    and alters running Postgres clusters if necessary.  For instance, if the
-   docker image in a pod is changed, the operator carries out the rolling
+   Docker image in a pod is changed, the operator carries out the rolling
    update, which means it re-spawns pods of each managed StatefulSet one-by-one
    with the new Docker image.
 

docs/quickstart.md

@@ -55,8 +55,8 @@ kubectl create -f manifests/postgres-operator.yaml  # deployment
 ```
 
 There is a [Kustomization](https://github.com/kubernetes-sigs/kustomize)
-manifest that [combines the mentioned resources](../manifests/kustomization.yaml) -
-it can be used with kubectl 1.14 or newer as easy as:
+manifest that [combines the mentioned resources](../manifests/kustomization.yaml)
+(except for the CRD) - it can be used with kubectl 1.14 or newer as easy as:
 
 ```bash
 kubectl apply -k github.com/zalando/postgres-operator/manifests
@@ -73,22 +73,23 @@ manifest.
 ### Helm chart
 
 Alternatively, the operator can be installed by using the provided [Helm](https://helm.sh/)
-chart which saves you the manual steps. Therefore, install the helm CLI on your
-machine. After initializing helm (and its server component Tiller) in your local
-cluster you can install the operator chart. You can define a release name that
-is prepended to the operator resource's names.
-
-Use `--name zalando` to match with the default service account name as older
-operator versions do not support custom names for service accounts. To use
-CRD-based configuration you need to specify the [values-crd yaml file](../charts/postgres-operator/values-crd.yaml).
+chart which saves you the manual steps. Clone this repo and change directory to
+the repo root. With Helm v3 installed you should be able to run:
 
 ```bash
-# 1) initialize helm
-helm init
-# 2) install postgres-operator chart
-helm install --name zalando ./charts/postgres-operator
+helm install postgres-operator ./charts/postgres-operator
 ```
 
+To use CRD-based configuration you need to specify the [values-crd yaml file](../charts/postgres-operator/values-crd.yaml).
+
+```bash
+helm install postgres-operator ./charts/postgres-operator -f ./charts/postgres-operator/values-crd.yaml
+```
+
+The chart works with both Helm 2 and Helm 3. The `crd-install` hook from v2 will
+be skipped with warning when using v3. Documentation for installing applications
+with Helm 2 can be found in the [v2 docs](https://v2.helm.sh/docs/).
+
 ### Operator Lifecycle Manager (OLM)
 
 The [Operator Lifecycle Manager (OLM)](https://github.com/operator-framework/operator-lifecycle-manager)
@@ -119,15 +120,15 @@ kubectl get pod -l app.kubernetes.io/name=postgres-operator
 kubectl create -f manifests/minimal-postgres-manifest.yaml
 ```
 
-After the cluster manifest is submitted the operator will create Service and
-Endpoint resources and a StatefulSet which spins up new Pod(s) given the number
-of instances specified in the manifest. All resources are named like the
-cluster. The database pods can be identified by their number suffix, starting
-from `-0`. They run the [Spilo](https://github.com/zalando/spilo) container
-image by Zalando. As for the services and endpoints, there will be one for the
-master pod and another one for all the replicas (`-repl` suffix). Check if all
-components are coming up. Use the label `application=spilo` to filter and list
-the label `spilo-role` to see who is currently the master.
+After the cluster manifest is submitted and passed the validation the operator
+will create Service and Endpoint resources and a StatefulSet which spins up new
+Pod(s) given the number of instances specified in the manifest. All resources
+are named like the cluster. The database pods can be identified by their number
+suffix, starting from `-0`. They run the [Spilo](https://github.com/zalando/spilo)
+container image by Zalando. As for the services and endpoints, there will be one
+for the master pod and another one for all the replicas (`-repl` suffix). Check
+if all components are coming up. Use the label `application=spilo` to filter and
+list the label `spilo-role` to see who is currently the master.
 
 ```bash
 # check the deployed cluster
@@ -154,9 +155,12 @@ export PGPORT=$(echo $HOST_PORT | cut -d: -f 2)
 ```
 
 Retrieve the password from the K8s Secret that is created in your cluster.
+Non-encrypted connections are rejected by default, so set the SSL mode to
+require:
 
 ```bash
 export PGPASSWORD=$(kubectl get secret postgres.acid-minimal-cluster.credentials -o 'jsonpath={.data.password}' | base64 -d)
+export PGSSLMODE=require
 psql -U postgres
 ```
 

docs/reference/cluster_manifest.md

@@ -62,7 +62,7 @@ These parameters are grouped directly under  the `spec` key in the manifest.
   field.
 
 * **dockerImage**
-  custom docker image that overrides the **docker_image** operator parameter.
+  custom Docker image that overrides the **docker_image** operator parameter.
   It should be a [Spilo](https://github.com/zalando/spilo) image. Optional.
 
 * **spiloFSGroup**
@@ -118,8 +118,13 @@ These parameters are grouped directly under  the `spec` key in the manifest.
    then the default priority class is taken. The priority class itself must be
    defined in advance. Optional.
 
+* **podAnnotations**
+  A map of key value pairs that gets attached as [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/)
+  to each pod created for the database.
+
+
 * **enableShmVolume**
-  Start a database pod without limitations on shm memory. By default docker
+  Start a database pod without limitations on shm memory. By default Docker
   limit `/dev/shm` to `64M` (see e.g. the [docker
   issue](https://github.com/docker-library/postgres/issues/416), which could be
   not enough if PostgreSQL uses parallel workers heavily. If this option is
@@ -180,19 +185,19 @@ explanation of `ttl` and `loop_wait` parameters.
 
 * **ttl**
   Patroni `ttl` parameter value, optional. The default is set by the Spilo
-  docker image. Optional.
+  Docker image. Optional.
 
 * **loop_wait**
   Patroni `loop_wait` parameter value, optional. The default is set by the
-  Spilo docker image. Optional.
+  Spilo Docker image. Optional.
 
 * **retry_timeout**
   Patroni `retry_timeout` parameter value, optional. The default is set by the
-  Spilo docker image. Optional.
+  Spilo Docker image. Optional.
 
 * **maximum_lag_on_failover**
   Patroni `maximum_lag_on_failover` parameter value, optional. The default is
-  set by the Spilo docker image. Optional.
+  set by the Spilo Docker image. Optional.
 
 * **slots**
   permanent replication slots that Patroni preserves after failover by
@@ -315,7 +320,7 @@ defined in the sidecar dictionary:
   name of the sidecar. Required.
 
 * **image**
-  docker image of the sidecar. Required.
+  Docker image of the sidecar. Required.
 
 * **env**
   a dictionary of environment variables. Use usual Kubernetes definition

docs/reference/operator_parameters.md

@@ -29,21 +29,20 @@ configuration.
 
   To test the CRD-based configuration locally, use the following
   ```bash
+  kubectl create -f manifests/operatorconfiguration.crd.yaml # registers the CRD
+  kubectl create -f manifests/postgresql-operator-default-configuration.yaml
+
   kubectl create -f manifests/operator-service-account-rbac.yaml
   kubectl create -f manifests/postgres-operator.yaml # set the env var as mentioned above
-  kubectl create -f manifests/postgresql-operator-default-configuration.yaml
+
   kubectl get operatorconfigurations postgresql-operator-default-configuration -o yaml
   ```
-  Note that the operator first attempts to register the CRD of the
-  `OperatorConfiguration` and then waits for an instance to be created. In
-  between these two event the operator pod may be failing since it cannot fetch
-  the not-yet-existing `OperatorConfiguration` instance.
 
 The CRD-based configuration is more powerful than the one based on ConfigMaps
 and should be used unless there is a compatibility requirement to use an already
 existing configuration. Even in that case, it should be rather straightforward
-to convert the configmap based configuration into the CRD-based one and restart
-the operator. The ConfigMaps-based configuration will be deprecated and
+to convert the ConfigMap-based configuration into the CRD-based one and restart
+the operator. The ConfigMap-based configuration will be deprecated and
 subsequently removed in future releases.
 
 Note that for the CRD-based configuration groups of configuration options below
@@ -71,21 +70,26 @@ Variable names are underscore-separated words.
 
 Those are top-level keys, containing both leaf keys and groups.
 
+* **enable_crd_validation**
+  toggles if the operator will create or update CRDs with
+  [OpenAPI v3 schema validation](https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#validation)
+  The default is `true`.
+
 * **etcd_host**
   Etcd connection string for Patroni defined as `host:port`. Not required when
   Patroni native Kubernetes support is used. The default is empty (use
   Kubernetes-native DCS).
 
 * **docker_image**
-  Spilo docker image for Postgres instances. For production, don't rely on the
+  Spilo Docker image for Postgres instances. For production, don't rely on the
   default image, as it might be not the most up-to-date one. Instead, build
   your own Spilo image from the [github
   repository](https://github.com/zalando/spilo).
 
 * **sidecar_docker_images**
-  a map of sidecar names to docker images for the containers to run alongside
-  Spilo. In case of the name conflict with the definition in the cluster
-  manifest the cluster-specific one is preferred.
+  a map of sidecar names to Docker images to run with Spilo. In case of the name
+  conflict with the definition in the cluster manifest the cluster-specific one
+  is preferred.
 
 * **enable_shm_volume**
   Instruct operator to start any new database pod without limitations on shm
@@ -168,6 +172,11 @@ configuration they are grouped under the `kubernetes` key.
   Postgres pods are [terminated forcefully](https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods)
   after this timeout. The default is `5m`.
 
+* **custom_pod_annotations**
+  This key/value map provides a list of annotations that get attached to each pod
+  of a database created by the operator. If the annotation key is also provided
+  by the database definition, the database definition value is used.
+
 * **watched_namespace**
   The operator watches for Postgres objects in the given namespace. If not
   specified, the value is taken from the operator namespace. A special `*`
@@ -187,6 +196,14 @@ configuration they are grouped under the `kubernetes` key.
   [admin docs](../administrator.md#pod-disruption-budget) for more information.
   Default is true.
 
+* **enable_init_containers**
+  global option to allow for creating init containers to run actions before
+  Spilo is started. Default is true.
+
+* **enable_sidecars**
+  global option to allow for creating sidecar containers to run alongside Spilo
+  on the same pod. Default is true.
+
 * **secret_name_template**
   a template for the name of the database user secrets generated by the
   operator. `{username}` is replaced with name of the secret, `{cluster}` with
@@ -436,6 +453,19 @@ grouped under the `logical_backup` key.
   S3 bucket to store backup results. The bucket has to be present and
   accessible by Postgres pods. Default: empty.
 
+* **logical_backup_s3_endpoint**
+  When using non-AWS S3 storage, endpoint can be set as a ENV variable.
+
+* **logical_backup_s3_sse**
+  Specify server side encription that S3 storage is using. If empty string
+  is specified, no argument will be passed to `aws s3` command. Default: "AES256".
+
+* **logical_backup_s3_access_key_id**
+  When set, value will be in AWS_ACCESS_KEY_ID env variable. The Default is empty.
+
+* **logical_backup_s3_secret_access_key**
+  When set, value will be in AWS_SECRET_ACCESS_KEY env variable. The Default is empty.
+
 ## Debugging the operator
 
 Options to aid debugging of the operator itself. Grouped under the `debug` key.

docs/user.md

@@ -13,7 +13,7 @@ kind: postgresql
 metadata:
   name: acid-minimal-cluster
 spec:
-  teamId: "ACID"
+  teamId: "acid"
   volume:
     size: 1Gi
   numberOfInstances: 2
@@ -30,7 +30,7 @@ spec:
   databases:
     foo: zalando
   postgresql:
-    version: "10"
+    version: "11"
 ```
 
 Once you cloned the Postgres Operator [repository](https://github.com/zalando/postgres-operator)
@@ -40,6 +40,17 @@ you can find this example also in the manifests folder:
 kubectl create -f manifests/minimal-postgres-manifest.yaml
 ```
 
+Make sure, the `spec` section of the manifest contains at least a `teamId`, the
+`numberOfInstances` and the `postgresql` object with the `version` specified.
+The minimum volume size to run the `postgresql` resource on Elastic Block
+Storage (EBS) is `1Gi`.
+
+Note, that the name of the cluster must start with the `teamId` and `-`. At
+Zalando we use team IDs (nicknames) to lower the chance of duplicate cluster
+names and colliding entities. The team ID would also be used to query an API to
+get all members of a team and create [database roles](#teams-api-roles) for
+them.
+
 ## Watch pods being created
 
 ```bash
@@ -62,10 +73,12 @@ kubectl port-forward $PGMASTER 6432:5432
 
 Open another CLI and connect to the database. Use the generated secret of the
 `postgres` robot user to connect to our `acid-minimal-cluster` master running
-in Minikube:
+in Minikube. As non-encrypted connections are rejected by default set the SSL
+mode to require:
 
 ```bash
 export PGPASSWORD=$(kubectl get secret postgres.acid-minimal-cluster.credentials -o 'jsonpath={.data.password}' | base64 -d)
+export PGSSLMODE=require
 psql -U postgres -p 6432
 ```
 
@@ -77,8 +90,7 @@ cluster. It covers three use-cases:
 * `manifest roles`: create application roles specific to the cluster described
 in the manifest.
 * `infrastructure roles`: create application roles that should be automatically
-created on every
-  cluster managed by the operator.
+created on every cluster managed by the operator.
 * `teams API roles`: automatically create users for every member of the team
 owning the database cluster.
 
@@ -128,9 +140,9 @@ The infrastructure roles secret is specified by the `infrastructure_roles_secret
 parameter. The role definition looks like this (values are base64 encoded):
 
 ```yaml
-    user1: ZGJ1c2Vy
-    password1: c2VjcmV0
-    inrole1: b3BlcmF0b3I=
+user1: ZGJ1c2Vy
+password1: c2VjcmV0
+inrole1: b3BlcmF0b3I=
 ```
 
 The block above describes the infrastructure role 'dbuser' with password
@@ -151,19 +163,19 @@ secret and a ConfigMap. The ConfigMap must have the same name as the secret.
 The secret should contain an entry with 'rolename:rolepassword' for each role.
 
 ```yaml
-    dbuser: c2VjcmV0
+dbuser: c2VjcmV0
 ```
 
 And the role description for that user should be specified in the ConfigMap.
 
 ```yaml
-    data:
-      dbuser: |
-        inrole: [operator, admin]  # following roles will be assigned to the new user
-        user_flags:
-          - createdb
-        db_parameters:  # db parameters, applied for this particular user
-          log_statement: all
+data:
+  dbuser: |
+    inrole: [operator, admin]  # following roles will be assigned to the new user
+    user_flags:
+    - createdb
+    db_parameters:  # db parameters, applied for this particular user
+      log_statement: all
 ```
 
 One can allow membership in multiple roles via the `inrole` array parameter,
@@ -182,6 +194,50 @@ See [infrastructure roles secret](../manifests/infrastructure-roles.yaml)
 and [infrastructure roles configmap](../manifests/infrastructure-roles-configmap.yaml)
 for the examples.
 
+### Teams API roles
+
+These roles are meant for database activity of human users. It's possible to
+configure the operator to automatically create database roles for lets say all
+employees of one team. They are not listed in the manifest and there are no K8s
+secrets created for them. Instead they would use an OAuth2 token to connect. To
+get all members of the team the operator queries a defined API endpoint that
+returns usernames. A minimal Teams API should work like this:
+
+```
+/.../<teamname> -> ["name","anothername"]
+```
+
+A ["fake" Teams API](../manifests/fake-teams-api.yaml) deployment is provided
+in the manifests folder to set up a basic API around whatever services is used
+for user management. The Teams API's URL is set in the operator's
+[configuration](reference/operator_parameters.md#automatic-creation-of-human-users-in-the-database)
+and `enable_teams_api` must be set to `true`. There are more settings available
+to choose superusers, group roles, [PAM configuration](https://github.com/CyberDem0n/pam-oauth2)
+etc. An OAuth2 token can be passed to the Teams API via a secret. The name for
+this secret is configurable with the `oauth_token_secret_name` parameter.
+
+## Resource definition
+
+The compute resources to be used for the Postgres containers in the pods can be
+specified in the postgresql cluster manifest.
+
+```yaml
+spec:
+  resources:
+    requests:
+      cpu: 10m
+      memory: 100Mi
+    limits:
+      cpu: 300m
+      memory: 300Mi
+```
+
+The minimum limit to properly run the `postgresql` resource is `256m` for `cpu`
+and `256Mi` for `memory`. If a lower value is set in the manifest the operator
+will cancel ADD or UPDATE events on this resource with an error. If no
+resources are defined in the manifest the operator will obtain the configured
+[default requests](reference/operator_parameters.md#kubernetes-resource-requests).
+
 ## Use taints and tolerations for dedicated PostgreSQL nodes
 
 To ensure Postgres pods are running on nodes without any other application pods,
@@ -189,12 +245,7 @@ you can use [taints and tolerations](https://kubernetes.io/docs/concepts/configu
 and configure the required toleration in the manifest.
 
 ```yaml
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-metadata:
-  name: acid-minimal-cluster
 spec:
-  teamId: "ACID"
   tolerations:
   - key: postgres
     operator: Exists
@@ -212,11 +263,6 @@ section in the spec. There are two options here:
 ### Clone directly
 
 ```yaml
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-
-metadata:
-  name: acid-test-cluster
 spec:
   clone:
     cluster: "acid-batman"
@@ -232,11 +278,6 @@ means that you can clone only from clusters within the same namespace.
 ### Clone from S3
 
 ```yaml
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-
-metadata:
-  name: acid-test-cluster
 spec:
   clone:
     uid: "efd12e58-5786-11e8-b5a7-06148230260c"
@@ -265,10 +306,6 @@ For non AWS S3 following settings can be set to support cloning from other S3
 implementations:
 
 ```yaml
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-metadata:
-  name: acid-test-cluster
 spec:
   clone:
     uid: "efd12e58-5786-11e8-b5a7-06148230260c"
@@ -305,7 +342,7 @@ Things to note:
 - There is no way to transform a non-standby cluster to a standby cluster
   through the operator. Adding the standby section to the manifest of a running
   Postgres cluster will have no effect. However, it can be done through Patroni
-  by adding the [standby_cluster] (https://github.com/zalando/patroni/blob/bd2c54581abb42a7d3a3da551edf0b8732eefd27/docs/replica_bootstrap.rst#standby-cluster)
+  by adding the [standby_cluster](https://github.com/zalando/patroni/blob/bd2c54581abb42a7d3a3da551edf0b8732eefd27/docs/replica_bootstrap.rst#standby-cluster)
   section using `patronictl edit-config`. Note that the transformed standby
   cluster will not be doing any streaming. It will be in standby mode and allow
   read-only transactions only.
@@ -317,13 +354,7 @@ used for log aggregation, monitoring, backups or other tasks. A sidecar can be
 specified like this:
 
 ```yaml
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-
-metadata:
-  name: acid-minimal-cluster
 spec:
-  ...
   sidecars:
     - name: "container-name"
       image: "company/image:tag"
@@ -350,6 +381,10 @@ variables are always passed to sidecars:
 The PostgreSQL volume is shared with sidecars and is mounted at
 `/home/postgres/pgdata`.
 
+**Note**: The operator will not create a cluster if sidecar containers are
+specified but globally disabled in the configuration. The `enable_sidecars`
+option must be set to `true`.
+
 ## InitContainers Support
 
 Each cluster can specify arbitrary init containers to run. These containers can
@@ -357,13 +392,7 @@ be used to run custom actions before any normal and sidecar containers start.
 An init container can be specified like this:
 
 ```yaml
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-
-metadata:
-  name: acid-minimal-cluster
 spec:
-  ...
   initContainers:
     - name: "container-name"
       image: "company/image:tag"
@@ -374,18 +403,17 @@ spec:
 
 `initContainers` accepts full `v1.Container` definition.
 
+**Note**: The operator will not create a cluster if `initContainers` are
+specified but globally disabled in the configuration. The
+`enable_init_containers` option must be set to `true`.
+
 ## Increase volume size
 
-PostgreSQL operator supports statefulset volume resize if you're using the
+Postgres operator supports statefulset volume resize if you're using the
 operator on top of AWS. For that you need to change the size field of the
 volume description in the cluster manifest and apply the change:
 
-```
-apiVersion: "acid.zalan.do/v1"
-kind: postgresql
-
-metadata:
-  name: acid-test-cluster
+```yaml
 spec:
   volume:
     size: 5Gi # new volume size
@@ -414,7 +442,8 @@ size of volumes that correspond to the previously running pods is not changed.
 You can enable logical backups from the cluster manifest by adding the following
 parameter in the spec section:
 
-```
+```yaml
+spec:
   enableLogicalBackup: true
 ```
 

e2e/Makefile

@@ -23,7 +23,6 @@ ifndef GOPATH
 	GOPATH := $(HOME)/go
 endif
 
-KIND_PATH := $(GOPATH)/bin
 PATH := $(GOPATH)/bin:$(PATH)
 
 default: tools
@@ -43,10 +42,7 @@ push: docker
 
 tools: docker
 	# install pinned version of 'kind'
-	# leave the name as is to avoid overwriting official binary named `kind`
-	wget https://github.com/kubernetes-sigs/kind/releases/download/v0.5.1/kind-linux-amd64
-	chmod +x kind-linux-amd64
-	mv kind-linux-amd64 $(KIND_PATH)
+	GO111MODULE=on go get sigs.k8s.io/kind@v0.5.1
 
 test:
 	./run.sh

e2e/run.sh

@@ -30,15 +30,15 @@ function pull_images(){
 function start_kind(){
 
   # avoid interference with previous test runs
-  if [[ $(kind-linux-amd64 get clusters | grep "^${cluster_name}*") != "" ]]
+  if [[ $(kind get clusters | grep "^${cluster_name}*") != "" ]]
   then
-    kind-linux-amd64 delete cluster --name ${cluster_name}
+    kind delete cluster --name ${cluster_name}
   fi
 
-  kind-linux-amd64 create cluster --name ${cluster_name} --config kind-cluster-postgres-operator-e2e-tests.yaml
-  kind-linux-amd64 load docker-image "${operator_image}" --name ${cluster_name}
-  kind-linux-amd64 load docker-image "${e2e_test_image}" --name ${cluster_name}
-  KUBECONFIG="$(kind-linux-amd64 get kubeconfig-path --name=${cluster_name})"
+  kind create cluster --name ${cluster_name} --config kind-cluster-postgres-operator-e2e-tests.yaml
+  kind load docker-image "${operator_image}" --name ${cluster_name}
+  kind load docker-image "${e2e_test_image}" --name ${cluster_name}
+  KUBECONFIG="$(kind get kubeconfig-path --name=${cluster_name})"
   export KUBECONFIG
 }
 
@@ -58,7 +58,7 @@ function run_tests(){
 
 function clean_up(){
   unset KUBECONFIG
-  kind-linux-amd64 delete cluster --name ${cluster_name}
+  kind delete cluster --name ${cluster_name}
   rm -rf ${kubeconfig_path}
 }
 

e2e/tests/test_e2e.py

@@ -182,17 +182,12 @@ class EndToEndTestCase(unittest.TestCase):
 
         # update the cluster-wide image of the logical backup pod
         image = "test-image-name"
-        config_map_patch = {
+        patch_logical_backup_image = {
             "data": {
                "logical_backup_docker_image": image,
             }
         }
-        k8s.api.core_v1.patch_namespaced_config_map("postgres-operator", "default", config_map_patch)
-
-        operator_pod = k8s.api.core_v1.list_namespaced_pod(
-            'default', label_selector="name=postgres-operator").items[0].metadata.name
-        k8s.api.core_v1.delete_namespaced_pod(operator_pod, "default")  # restart reloads the conf
-        k8s.wait_for_operator_pod_start()
+        k8s.update_config(patch_logical_backup_image)
 
         jobs = k8s.get_logical_backup_job().items
         actual_image = jobs[0].spec.job_template.spec.template.spec.containers[0].image
@@ -319,6 +314,14 @@ class K8s:
     def wait_for_logical_backup_job_creation(self):
         self.wait_for_logical_backup_job(expected_num_of_jobs=1)
 
+    def update_config(self, config_map_patch):
+        self.api.core_v1.patch_namespaced_config_map("postgres-operator", "default", config_map_patch)
+
+        operator_pod = self.api.core_v1.list_namespaced_pod(
+            'default', label_selector="name=postgres-operator").items[0].metadata.name
+        self.api.core_v1.delete_namespaced_pod(operator_pod, "default")  # restart reloads the conf
+        self.wait_for_operator_pod_start()
+
     def create_with_kubectl(self, path):
         subprocess.run(["kubectl", "create", "-f", path])
 

go.mod

@@ -3,15 +3,23 @@ module github.com/zalando/postgres-operator
 go 1.12
 
 require (
-	github.com/aws/aws-sdk-go v1.25.1
-	github.com/imdario/mergo v0.3.7 // indirect
+	github.com/aws/aws-sdk-go v1.25.44
+	github.com/emicklei/go-restful v2.9.6+incompatible // indirect
+	github.com/evanphx/json-patch v4.5.0+incompatible // indirect
+	github.com/googleapis/gnostic v0.3.0 // indirect
+	github.com/imdario/mergo v0.3.8 // indirect
 	github.com/lib/pq v1.2.0
 	github.com/motomux/pretty v0.0.0-20161209205251-b2aad2c9a95d
 	github.com/sirupsen/logrus v1.4.2
-	gopkg.in/yaml.v2 v2.2.2
-	k8s.io/api v0.0.0-20190927115716-5d581ce610b0
-	k8s.io/apiextensions-apiserver v0.0.0-20190927042040-728319705b32
-	k8s.io/apimachinery v0.0.0-20190927035529-0104e33c351d
-	k8s.io/client-go v0.0.0-20190926235751-95884bf844a9
-	k8s.io/code-generator v0.0.0-20190927075303-016f2b3d74d0
+	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 // indirect
+	golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553 // indirect
+	golang.org/x/sys v0.0.0-20191210023423-ac6580df4449 // indirect
+	golang.org/x/tools v0.0.0-20191209225234-22774f7dae43 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/yaml.v2 v2.2.4
+	k8s.io/api v0.0.0-20191121015604-11707872ac1c
+	k8s.io/apiextensions-apiserver v0.0.0-20191204090421-cd61debedab5
+	k8s.io/apimachinery v0.0.0-20191203211716-adc6f4cd9e7d
+	k8s.io/client-go v0.0.0-20191204082520-bc9b51d240b2
+	k8s.io/code-generator v0.0.0-20191121015212-c4c8f8345c7e
 )

go.sum

@@ -9,6 +9,7 @@ github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxB
 github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
 github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
@@ -19,27 +20,32 @@ github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbt
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/aws/aws-sdk-go v1.25.1 h1:d7zDXFT2Tgq/yw7Wku49+lKisE8Xc85erb+8PlE/Shk=
-github.com/aws/aws-sdk-go v1.25.1/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.25.44 h1:n9ahFoiyn66smjF34hYr3tb6/ZdBcLuFz7BCDhHyJ7I=
+github.com/aws/aws-sdk-go v1.25.44/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/blang/semver v3.5.0+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/bbolt v1.3.1-coreos.6/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/etcd v3.3.15+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-oidc v2.1.0+incompatible/go.mod h1:CgnwVTmzoESiwO9qyAFEMiHoZ1nMCKZlZ9V6mm3/LKc=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -47,16 +53,25 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/docker/docker v0.7.3-0.20190327010347-be7ac8be2ae0/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
+github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96 h1:cenwrSVm+Z7QLSV/BsnenAOcDXdX4cMv4wP0B/5QbPg=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
+github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/elazarl/goproxy v0.0.0-20170405201442-c4fc26588b6e h1:p1yVGRW3nmb85p1Sh1ZJSDm4A4iKLS5QNbvUHMgGu/M=
 github.com/elazarl/goproxy v0.0.0-20170405201442-c4fc26588b6e/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
-github.com/emicklei/go-restful v2.9.5+incompatible h1:spTtZBk5DYEvbxMVutUuTyh1Ao2r4iyvLdACqsl/Ljk=
 github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
-github.com/evanphx/json-patch v4.2.0+incompatible h1:fUDGZCv/7iAN7u0puUVhvKCcsR6vRfwrJatElLBEf0I=
+github.com/emicklei/go-restful v2.9.6+incompatible h1:tfrHha8zJ01ywiOEC1miGY8st1/igzWB8OmvPgoYX7w=
+github.com/emicklei/go-restful v2.9.6+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/evanphx/json-patch v4.2.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
+github.com/evanphx/json-patch v4.5.0+incompatible h1:ouOWdg56aJriqS0huScTkVXPC5IcNrDCXZ6OoTAWu7M=
+github.com/evanphx/json-patch v4.5.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
@@ -66,53 +81,66 @@ github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70t
 github.com/go-openapi/analysis v0.17.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik=
 github.com/go-openapi/analysis v0.18.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik=
 github.com/go-openapi/analysis v0.19.2/go.mod h1:3P1osvZa9jKjb8ed2TPng3f0i/UY9snX6gxi44djMjk=
+github.com/go-openapi/analysis v0.19.5/go.mod h1:hkEAkxagaIvIP7VTn8ygJNkd4kAYON2rCu0v0ObL0AU=
 github.com/go-openapi/errors v0.17.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0=
 github.com/go-openapi/errors v0.18.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0=
 github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94=
 github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+35s3my2LFTysnkMfxsJBAMHj/DoqoB9knIWoYG/Vk0=
 github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
 github.com/go-openapi/jsonpointer v0.18.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
-github.com/go-openapi/jsonpointer v0.19.2 h1:A9+F4Dc/MCNB5jibxf6rRvOvR/iFgQdyNx9eIhnGqq0=
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@@ -223,23 +276,37 @@ github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoH
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@@ -253,14 +320,19 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -274,6 +346,7 @@ golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -282,19 +355,25 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -302,11 +381,15 @@ golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3
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+k8s.io/client-go v0.0.0-20191204082520-bc9b51d240b2 h1:T2HGghBOPAOEjWuIyFSeCsWEwsxa6unkBvy3PHfqonM=
+k8s.io/client-go v0.0.0-20191204082520-bc9b51d240b2/go.mod h1:5lSG1yeDZVwDYAHe9VK48SCe5zmcnkAcf2Mx59TuhmM=
+k8s.io/code-generator v0.0.0-20191121015212-c4c8f8345c7e h1:HB9Zu5ZUvJfNpLiTPhz+CebVKV8C39qTBMQkAgAZLNw=
+k8s.io/code-generator v0.0.0-20191121015212-c4c8f8345c7e/go.mod h1:DVmfPQgxQENqDIzVR2ddLXMH34qeszkKSdH/N+s+38s=
+k8s.io/component-base v0.0.0-20191204083903-0d4d24e738e4/go.mod h1:8VIh1jErItC4bg9hLBkPneyS77Tin8KwSzbYepHJnQI=
+k8s.io/component-base v0.0.0-20191204083906-3ac1376c73aa/go.mod h1:mECWvHCPhJudDVDMtBl+AIf/YnTMp5r1F947OYFUwP0=
 k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
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-k8s.io/klog v0.4.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
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 modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
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hack/update-codegen.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -o errexit
 set -o nounset

hack/verify-codegen.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -o errexit
 set -o nounset

manifests/complete-postgres-manifest.yaml

@@ -5,22 +5,18 @@ metadata:
 #  labels:
 #    environment: demo
 spec:
-  dockerImage: registry.opensource.zalan.do/acid/spilo-11:1.6-p1
-  initContainers:
-  - name: date
-    image: busybox
-    command: [ "/bin/date" ]
-  teamId: "ACID"
+  dockerImage: registry.opensource.zalan.do/acid/spilo-cdp-12:1.6-p16
+  teamId: "acid"
   volume:
     size: 1Gi
-#   storageClass: my-sc
+#    storageClass: my-sc
   numberOfInstances: 2
   users:  # Application/Robot users
     zalando:
     - superuser
     - createdb
-  enableMasterLoadBalancer: true
-  enableReplicaLoadBalancer: true
+  enableMasterLoadBalancer: false
+  enableReplicaLoadBalancer: false
   allowedSourceRanges:  # load balancers' source ranges for both master and replica services
   - 127.0.0.1/32
   databases:
@@ -36,17 +32,22 @@ spec:
         history:
           defaultRoles: true
           defaultUsers: false
-
-# Expert section
-
-  enableShmVolume: true
-# spiloFSGroup: 103
   postgresql:
     version: "11"
-    parameters:
+    parameters: # Expert section
       shared_buffers: "32MB"
       max_connections: "10"
       log_statement: "all"
+
+  enableShmVolume: true
+#  spiloFSGroup: 103
+#  podAnnotations:
+#    annotation.key: value
+#  podPriorityClassName: "spilo-pod-priority"
+#  tolerations:
+#  - key: postgres
+#    operator: Exists
+#    effect: NoSchedule
   resources:
     requests:
       cpu: 10m
@@ -62,42 +63,49 @@ spec:
     pg_hba:
     - hostssl all all 0.0.0.0/0 md5
     - host    all all 0.0.0.0/0 md5
-#   slots:
-#     - permanent_physical_1:
-#         type: physical
-#     - permanent_logical_1:
-#         type: logical
-#         database: foo
-#         plugin: pgoutput
+#    slots:
+#      permanent_physical_1:
+#        type: physical
+#      permanent_logical_1:
+#        type: logical
+#        database: foo
+#        plugin: pgoutput
     ttl: 30
     loop_wait: &loop_wait 10
     retry_timeout: 10
     maximum_lag_on_failover: 33554432
+
 # restore a Postgres DB with point-in-time-recovery
 # with a non-empty timestamp, clone from an S3 bucket using the latest backup before the timestamp
 # with an empty/absent timestamp, clone from an existing alive cluster using pg_basebackup
-# clone:
-#   uid: "efd12e58-5786-11e8-b5a7-06148230260c"
-#   cluster: "acid-batman"
-#   timestamp: "2017-12-19T12:40:33+01:00"  # timezone required (offset relative to UTC, see RFC 3339 section 5.6)
-#   s3_wal_path: "s3://custom/path/to/bucket"
+#  clone:
+#    uid: "efd12e58-5786-11e8-b5a7-06148230260c"
+#    cluster: "acid-batman"
+#    timestamp: "2017-12-19T12:40:33+01:00"  # timezone required (offset relative to UTC, see RFC 3339 section 5.6)
+#    s3_wal_path: "s3://custom/path/to/bucket"
 
 # run periodic backups with k8s cron jobs
-# enableLogicalBackup: true
-# logicalBackupSchedule: "30 00 * * *"
-  maintenanceWindows:
-  - 01:00-06:00  #UTC
-  - Sat:00:00-04:00
-# sidecars:
-#   - name: "telegraf-sidecar"
-#     image: "telegraf:latest"
-#     resources:
-#       limits:
-#         cpu: 500m
-#         memory: 500Mi
-#       requests:
-#         cpu: 100m
-#         memory: 100Mi
+#  enableLogicalBackup: true
+#  logicalBackupSchedule: "30 00 * * *"
+
+#  maintenanceWindows:
+#  - 01:00-06:00  #UTC
+#  - Sat:00:00-04:00
+
+  initContainers:
+  - name: date
+    image: busybox
+    command: [ "/bin/date" ]
+#  sidecars:
+#    - name: "telegraf-sidecar"
+#      image: "telegraf:latest"
+#      resources:
+#        limits:
+#          cpu: 500m
+#          memory: 500Mi
+#        requests:
+#          cpu: 100m
+#          memory: 100Mi
 #      env:
 #        - name: "USEFUL_VAR"
 #          value: "perhaps-true"

manifests/configmap.yaml

@@ -11,22 +11,25 @@ data:
   cluster_history_entries: "1000"
   cluster_labels: application:spilo
   cluster_name_label: version
-  # custom_service_annotations:
-  #   "keyx:valuez,keya:valuea"
+  # custom_service_annotations: "keyx:valuez,keya:valuea"
+  # custom_pod_annotations: "keya:valuea,keyb:valueb"
   db_hosted_zone: db.example.com
   debug_logging: "true"
   # default_cpu_limit: "3"
   # default_cpu_request: 100m
   # default_memory_limit: 1Gi
   # default_memory_request: 100Mi
-  docker_image: registry.opensource.zalan.do/acid/spilo-11:1.6-p1
+  docker_image: registry.opensource.zalan.do/acid/spilo-cdp-12:1.6-p16
   # enable_admin_role_for_users: "true"
+  # enable_crd_validation: "true"
   # enable_database_access: "true"
-  enable_master_load_balancer: "true"
+  # enable_init_containers: "true"
+  enable_master_load_balancer: "false"
   # enable_pod_antiaffinity: "false"
   # enable_pod_disruption_budget: "true"
   enable_replica_load_balancer: "false"
   # enable_shm_volume: "true"
+  # enable_sidecars: "true"
   # enable_team_superuser: "false"
   enable_teams_api: "false"
   # etcd_host: ""
@@ -35,9 +38,13 @@ data:
   # kube_iam_role: ""
   # log_s3_bucket: ""
   # logical_backup_docker_image: "registry.opensource.zalan.do/acid/logical-backup"
+  # logical_backup_s3_access_key_id: ""
   # logical_backup_s3_bucket: "my-bucket-url"
+  # logical_backup_s3_endpoint: ""
+  # logical_backup_s3_secret_access_key: ""
+  # logical_backup_s3_sse: "AES256"
   # logical_backup_schedule: "30 00 * * *"
-  master_dns_name_format: '{cluster}.{team}.staging.{hostedzone}'
+  master_dns_name_format: "{cluster}.{team}.{hostedzone}"
   # master_pod_move_timeout: 10m
   # max_instances: "-1"
   # min_instances: "-1"
@@ -60,13 +67,13 @@ data:
   ready_wait_interval: 3s
   ready_wait_timeout: 30s
   repair_period: 5m
-  replica_dns_name_format: '{cluster}-repl.{team}.staging.{hostedzone}'
+  replica_dns_name_format: "{cluster}-repl.{team}.{hostedzone}"
   replication_username: standby
   resource_check_interval: 3s
   resource_check_timeout: 10m
-  resync_period: 5m
+  resync_period: 30m
   ring_log_lines: "100"
-  secret_name_template: '{username}.{cluster}.credentials'
+  secret_name_template: "{username}.{cluster}.credentials"
   # sidecar_docker_images: ""
   # set_memory_request_to_limit: "false"
   spilo_privileged: "false"

manifests/minimal-postgres-manifest.yaml

@@ -4,7 +4,7 @@ metadata:
   name: acid-minimal-cluster
   namespace: default
 spec:
-  teamId: "ACID"
+  teamId: "acid"
   volume:
     size: 1Gi
   numberOfInstances: 2

manifests/operator-service-account-rbac.yaml

@@ -10,6 +10,7 @@ kind: ClusterRole
 metadata:
   name: zalando-postgres-operator
 rules:
+# all verbs allowed for custom operator resources
 - apiGroups:
   - acid.zalan.do
   resources:
@@ -18,6 +19,7 @@ rules:
   - operatorconfigurations
   verbs:
   - "*"
+# to create or get/update CRDs when starting up
 - apiGroups:
   - apiextensions.k8s.io
   resources:
@@ -27,12 +29,14 @@ rules:
   - get
   - patch
   - update
+# to read configuration from ConfigMaps
 - apiGroups:
   - ""
   resources:
   - configmaps
   verbs:
   - get
+# to manage endpoints which are also used by Patroni
 - apiGroups:
   - ""
   resources:
@@ -45,6 +49,7 @@ rules:
   - list
   - patch
   - watch  # needed if zalando-postgres-operator account is used for pods as well
+# to CRUD secrets for database access
 - apiGroups:
   - ""
   resources:
@@ -54,6 +59,7 @@ rules:
   - update
   - delete
   - get
+# to check nodes for node readiness label
 - apiGroups:
   - ""
   resources:
@@ -62,6 +68,7 @@ rules:
   - get
   - list
   - watch
+# to read or delete existing PVCs. Creation via StatefulSet
 - apiGroups:
   - ""
   resources:
@@ -70,6 +77,7 @@ rules:
   - delete
   - get
   - list
+ # to read existing PVs. Creation should be done via dynamic provisioning
 - apiGroups:
   - ""
   resources:
@@ -78,6 +86,7 @@ rules:
   - get
   - list
   - update  # only for resizing AWS volumes
+# to watch Spilo pods and do rolling updates. Creation via StatefulSet
 - apiGroups:
   - ""
   resources:
@@ -88,12 +97,14 @@ rules:
   - list
   - watch
   - patch
+# to resize the filesystem in Spilo pods when increasing volume size
 - apiGroups:
   - ""
   resources:
   - pods/exec
   verbs:
   - create
+# to CRUD services to point to Postgres cluster instances
 - apiGroups:
   - ""
   resources:
@@ -103,6 +114,7 @@ rules:
   - delete
   - get
   - patch
+# to CRUD the StatefulSet which controls the Postgres cluster instances
 - apiGroups:
   - apps
   resources:
@@ -113,12 +125,14 @@ rules:
   - get
   - list
   - patch
+# to get namespaces operator resources can run in
 - apiGroups:
   - ""
   resources:
   - namespaces
   verbs:
   - get
+# to define PDBs. Update happens via delete/create
 - apiGroups:
   - policy
   resources:
@@ -127,6 +141,7 @@ rules:
   - create
   - delete
   - get
+# to create ServiceAccounts in each namespace the operator watches
 - apiGroups:
   - ""
   resources:
@@ -134,6 +149,7 @@ rules:
   verbs:
   - get
   - create
+# to create role bindings to the operator service account
 - apiGroups:
   - "rbac.authorization.k8s.io"
   resources:
@@ -141,18 +157,11 @@ rules:
   verbs:
   - get
   - create
-- apiGroups:
-  - "rbac.authorization.k8s.io"
-  resources:
-  - clusterroles
-  verbs:
-  - bind
-  resourceNames:
-  - zalando-postgres-operator
+# to CRUD cron jobs for logical backups
 - apiGroups:
   - batch
   resources:
-  - cronjobs  # enables logical backups
+  - cronjobs
   verbs:
   - create
   - delete
@@ -160,6 +169,7 @@ rules:
   - list
   - patch
   - update
+
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding

manifests/operatorconfiguration.crd.yaml

@@ -0,0 +1,292 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: operatorconfigurations.acid.zalan.do
+spec:
+  group: acid.zalan.do
+  names:
+    kind: OperatorConfiguration
+    listKind: OperatorConfigurationList
+    plural: operatorconfigurations
+    singular: operatorconfiguration
+    shortNames:
+    - opconfig
+  scope: Namespaced
+  subresources:
+    status: {}
+  version: v1
+  validation:
+    openAPIV3Schema:
+      type: object
+      required:
+        - kind
+        - apiVersion
+        - configuration
+      properties:
+        kind:
+          type: string
+          enum:
+            - OperatorConfiguration
+        apiVersion:
+          type: string
+          enum:
+            - acid.zalan.do/v1
+        configuration:
+          type: object
+          properties:
+            docker_image:
+              type: string
+            enable_crd_validation:
+              type: boolean
+            enable_shm_volume:
+              type: boolean
+            etcd_host:
+              type: string
+            max_instances:
+              type: integer
+              minimum: -1  # -1 = disabled
+            min_instances:
+              type: integer
+              minimum: -1  # -1 = disabled
+            resync_period:
+              type: string
+            repair_period:
+              type: string
+            set_memory_request_to_limit:
+              type: boolean
+            sidecar_docker_images:
+              type: object
+              additionalProperties:
+                type: string
+            workers:
+              type: integer
+              minimum: 1
+            users:
+              type: object
+              properties:
+                replication_username:
+                   type: string
+                super_username:
+                   type: string
+            kubernetes:
+              type: object
+              properties:
+                cluster_domain:
+                  type: string
+                cluster_labels:
+                  type: object
+                  additionalProperties:
+                    type: string
+                cluster_name_label:
+                  type: string
+                custom_pod_annotations:
+                  type: object
+                  additionalProperties:
+                    type: string
+                enable_init_containers:
+                  type: boolean
+                enable_pod_antiaffinity:
+                  type: boolean
+                enable_pod_disruption_budget:
+                  type: boolean
+                enable_sidecars:
+                  type: boolean
+                infrastructure_roles_secret_name:
+                  type: string
+                inherited_labels:
+                  type: array
+                  items:
+                    type: string
+                master_pod_move_timeout:
+                  type: string
+                node_readiness_label:
+                  type: object
+                  additionalProperties:
+                    type: string
+                oauth_token_secret_name:
+                  type: string
+                pdb_name_format:
+                  type: string
+                pod_antiaffinity_topology_key:
+                  type: string
+                pod_environment_configmap:
+                  type: string
+                pod_management_policy:
+                  type: string
+                  enum:
+                    - "ordered_ready"
+                    - "parallel"
+                pod_priority_class_name:
+                  type: string
+                pod_role_label:
+                  type: string
+                pod_service_account_definition:
+                  type: string
+                pod_service_account_name:
+                  type: string
+                pod_service_account_role_binding_definition:
+                  type: string
+                pod_terminate_grace_period:
+                  type: string
+                secret_name_template:
+                  type: string
+                spilo_fsgroup:
+                  type: integer
+                spilo_privileged:
+                  type: boolean
+                toleration:
+                  type: object
+                  additionalProperties:
+                    type: string
+                watched_namespace:
+                  type: string
+            postgres_pod_resources:
+              type: object
+              properties:
+                default_cpu_limit:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                default_cpu_request:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                default_memory_limit:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                default_memory_request:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+            timeouts:
+              type: object
+              properties:
+                pod_label_wait_timeout:
+                  type: string
+                pod_deletion_wait_timeout:
+                  type: string
+                ready_wait_interval:
+                  type: string
+                ready_wait_timeout:
+                  type: string
+                resource_check_interval:
+                  type: string
+                resource_check_timeout:
+                  type: string
+            load_balancer:
+              type: object
+              properties:
+                custom_service_annotations:
+                  type: object
+                  additionalProperties:
+                    type: string
+                db_hosted_zone:
+                  type: string
+                enable_master_load_balancer:
+                  type: boolean
+                enable_replica_load_balancer:
+                  type: boolean
+                master_dns_name_format:
+                  type: string
+                replica_dns_name_format:
+                  type: string
+            aws_or_gcp:
+              type: object
+              properties:
+                additional_secret_mount:
+                  type: string
+                additional_secret_mount_path:
+                  type: string
+                aws_region:
+                  type: string
+                kube_iam_role:
+                  type: string
+                log_s3_bucket:
+                  type: string
+                wal_s3_bucket:
+                  type: string
+            logical_backup:
+              type: object
+              properties:
+                logical_backup_docker_image:
+                  type: string
+                logical_backup_s3_access_key_id:
+                  type: string
+                logical_backup_s3_bucket:
+                  type: string
+                logical_backup_s3_endpoint:
+                  type: string
+                logical_backup_s3_secret_access_key:
+                  type: string
+                logical_backup_s3_sse:
+                  type: string
+                logical_backup_schedule:
+                  type: string
+                  pattern: '^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$'
+            debug:
+              type: object
+              properties:
+                debug_logging:
+                  type: boolean
+                enable_database_access:
+                  type: boolean
+            teams_api:
+              type: object
+              properties:
+                enable_admin_role_for_users:
+                  type: boolean
+                enable_team_superuser:
+                  type: boolean
+                enable_teams_api:
+                  type: boolean
+                pam_configuration:
+                  type: string
+                pam_role_name:
+                  type: string
+                postgres_superuser_teams:
+                  type: array
+                  items:
+                    type: string
+                protected_role_names:
+                  type: array
+                  items:
+                    type: string
+                team_admin_role:
+                  type: string
+                team_api_role_configuration:
+                  type: object
+                  additionalProperties:
+                    type: string
+                teams_api_url:
+                  type: string
+            logging_rest_api:
+              type: object
+              properties:
+                api_port:
+                  type: integer
+                cluster_history_entries:
+                  type: integer
+                ring_log_lines:
+                  type: integer
+            scalyr:
+              type: object
+              properties:
+                scalyr_api_key:
+                  type: string
+                scalyr_cpu_limit:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                scalyr_cpu_request:
+                  type: string
+                  pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                scalyr_image:
+                  type: string
+                scalyr_memory_limit:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                scalyr_memory_request:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                scalyr_server_url:
+                  type: string
+        status:
+          type: object
+          additionalProperties:
+            type: string

manifests/postgres-operator.yaml

@@ -15,7 +15,7 @@ spec:
       serviceAccountName: zalando-postgres-operator
       containers:
       - name: postgres-operator
-        image: registry.opensource.zalan.do/acid/postgres-operator:v1.2.0
+        image: registry.opensource.zalan.do/acid/postgres-operator:v1.3.0
         imagePullPolicy: IfNotPresent
         resources:
           requests:

manifests/postgresql-operator-default-configuration.yaml

@@ -3,8 +3,9 @@ kind: OperatorConfiguration
 metadata:
   name: postgresql-operator-default-configuration
 configuration:
+  # enable_crd_validation: true
   etcd_host: ""
-  docker_image: registry.opensource.zalan.do/acid/spilo-11:1.6-p1
+  docker_image: registry.opensource.zalan.do/acid/spilo-cdp-12:1.6-p16
   # enable_shm_volume: true
   max_instances: -1
   min_instances: -1
@@ -20,28 +21,38 @@ configuration:
   kubernetes:
     cluster_domain: cluster.local
     cluster_labels:
-        application: spilo
+      application: spilo
     cluster_name_label: cluster-name
+    # custom_pod_annotations:
+    #   keya: valuea
+    #   keyb: valueb
+    enable_init_containers: true
     enable_pod_antiaffinity: false
     enable_pod_disruption_budget: true
-    # infrastructure_roles_secret_name: ""
+    enable_sidecars: true
+    # infrastructure_roles_secret_name: "postgresql-infrastructure-roles"
     # inherited_labels:
     # - application
     # - environment
-    # node_readiness_label: ""
+    master_pod_move_timeout: 20m
+    # node_readiness_label:
+    #   status: ready
     oauth_token_secret_name: postgresql-operator
     pdb_name_format: "postgres-{cluster}-pdb"
     pod_antiaffinity_topology_key: "kubernetes.io/hostname"
     # pod_environment_configmap: ""
     pod_management_policy: "ordered_ready"
+    # pod_priority_class_name: ""
     pod_role_label: spilo-role
-    pod_service_account_name: operator
+    # pod_service_account_definition: ""
+    pod_service_account_name: zalando-postgres-operator
+    # pod_service_account_role_binding_definition: ""
     pod_terminate_grace_period: 5m
     secret_name_template: "{username}.{cluster}.credentials.{tprkind}.{tprgroup}"
     # spilo_fsgroup: 103
     spilo_privileged: false
     # toleration: {}
-    # watched_namespace:""
+    # watched_namespace: ""
   postgres_pod_resources:
     default_cpu_limit: "3"
     default_cpu_request: 100m
@@ -71,9 +82,13 @@ configuration:
     # log_s3_bucket: ""
     # wal_s3_bucket: ""
   logical_backup:
-    logical_backup_schedule: "30 00 * * *"
     logical_backup_docker_image: "registry.opensource.zalan.do/acid/logical-backup"
+    # logical_backup_s3_access_key_id: ""
     logical_backup_s3_bucket: "my-bucket-url"
+    # logical_backup_s3_endpoint: ""
+    # logical_backup_s3_secret_access_key: ""
+    logical_backup_s3_sse: "AES256"
+    logical_backup_schedule: "30 00 * * *"
   debug:
     debug_logging: true
     enable_database_access: true
@@ -83,9 +98,10 @@ configuration:
     enable_teams_api: false
     # pam_configuration: ""
     pam_role_name: zalandos
-    # postgres_superuser_teams: "postgres_superusers"
+    # postgres_superuser_teams:
+    # - postgres_superusers
     protected_role_names:
-      - admin
+    - admin
     team_admin_role: admin
     team_api_role_configuration:
       log_statement: all

manifests/postgresql.crd.yaml

@@ -0,0 +1,331 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: postgresqls.acid.zalan.do
+spec:
+  group: acid.zalan.do
+  names:
+    kind: postgresql
+    listKind: postgresqlList
+    plural: postgresqls
+    singular: postgresql
+    shortNames:
+    - pg
+  scope: Namespaced
+  subresources:
+    status: {}
+  version: v1
+  validation:
+    openAPIV3Schema:
+      type: object
+      required:
+        - kind
+        - apiVersion
+        - spec
+      properties:
+        kind:
+          type: string
+          enum:
+            - postgresql
+        apiVersion:
+          type: string
+          enum:
+            - acid.zalan.do/v1
+        spec:
+          type: object
+          required:
+            - numberOfInstances
+            - teamId
+            - postgresql
+          properties:
+            allowedSourceRanges:
+              type: array
+              nullable: true
+              items:
+                type: string
+                pattern: '^(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\/(\d|[1-2]\d|3[0-2])$'
+            clone:
+              type: object
+              required:
+                - cluster
+              properties:
+                cluster:
+                  type: string
+                s3_endpoint:
+                  type: string
+                s3_access_key_id:
+                  type: string
+                s3_secret_access_key:
+                  type: string
+                s3_force_path_style:
+                  type: string
+                s3_wal_path:
+                  type: string
+                timestamp:
+                  type: string
+                  pattern: '^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(([Zz])|([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$'
+                  # The regexp matches the date-time format (RFC 3339 Section 5.6) that specifies a timezone as an offset relative to UTC
+                  # Example: 1996-12-19T16:39:57-08:00
+                  # Note: this field requires a timezone
+                uid:
+                  format: uuid
+                  type: string
+            databases:
+              type: object
+              additionalProperties:
+                type: string
+              # Note: usernames specified here as database owners must be declared in the users key of the spec key.
+            dockerImage:
+              type: string
+            enableLogicalBackup:
+              type: boolean
+            enableMasterLoadBalancer:
+              type: boolean
+            enableReplicaLoadBalancer:
+              type: boolean
+            enableShmVolume:
+              type: boolean
+            init_containers:  # deprecated
+              type: array
+              nullable: true
+              items:
+                type: object
+                additionalProperties: true
+            initContainers:
+              type: array
+              nullable: true
+              items:
+                type: object
+                additionalProperties: true
+            logicalBackupSchedule:
+              type: string
+              pattern: '^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$'
+            maintenanceWindows:
+              type: array
+              items:
+                type: string
+                pattern: '^\ *((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\d):([0-5]?\d)|(2[0-3]|[01]?\d):([0-5]?\d))-((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\d):([0-5]?\d)|(2[0-3]|[01]?\d):([0-5]?\d))\ *$'
+            numberOfInstances:
+              type: integer
+              minimum: 0
+            patroni:
+              type: object
+              properties:
+                initdb:
+                  type: object
+                  additionalProperties:
+                    type: string
+                pg_hba:
+                  type: array
+                  items:
+                    type: string
+                slots:
+                  type: object
+                  additionalProperties:
+                    type: object
+                    additionalProperties:
+                      type: string
+                ttl:
+                  type: integer
+                loop_wait:
+                  type: integer
+                retry_timeout:
+                  type: integer
+                maximum_lag_on_failover:
+                  type: integer
+            podAnnotations:
+              type: object
+              additionalProperties:
+                type: string
+            pod_priority_class_name:  # deprecated
+              type: string
+            podPriorityClassName:
+              type: string
+            postgresql:
+              type: object
+              required:
+                - version
+              properties:
+                version:
+                  type: string
+                  enum:
+                    - "9.3"
+                    - "9.4"
+                    - "9.5"
+                    - "9.6"
+                    - "10"
+                    - "11"
+                    - "12"
+                parameters:
+                  type: object
+                  additionalProperties:
+                    type: string
+            replicaLoadBalancer:  # deprecated
+              type: boolean
+            resources:
+              type: object
+              required:
+                - requests
+                - limits
+              properties:
+                limits:
+                  type: object
+                  required:
+                    - cpu
+                    - memory
+                  properties:
+                    cpu:
+                      type: string
+                      # Decimal natural followed by m, or decimal natural followed by
+                      # dot followed by up to three decimal digits.
+                      #
+                      # This is because the Kubernetes CPU resource has millis as the
+                      # maximum precision.  The actual values are checked in code
+                      # because the regular expression would be huge and horrible and
+                      # not very helpful in validation error messages; this one checks
+                      # only the format of the given number.
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-cpu
+                      pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                      # Note: the value specified here must not be zero or be lower
+                      # than the corresponding request.
+                    memory:
+                      type: string
+                      # You can express memory as a plain integer or as a fixed-point
+                      # integer using one of these suffixes: E, P, T, G, M, k. You can
+                      # also use the power-of-two equivalents: Ei, Pi, Ti, Gi, Mi, Ki
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-memory
+                      pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                      # Note: the value specified here must not be zero or be lower
+                      # than the corresponding request.
+                requests:
+                  type: object
+                  required:
+                    - cpu
+                    - memory
+                  properties:
+                    cpu:
+                      type: string
+                      # Decimal natural followed by m, or decimal natural followed by
+                      # dot followed by up to three decimal digits.
+                      #
+                      # This is because the Kubernetes CPU resource has millis as the
+                      # maximum precision.  The actual values are checked in code
+                      # because the regular expression would be huge and horrible and
+                      # not very helpful in validation error messages; this one checks
+                      # only the format of the given number.
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-cpu
+                      pattern: '^(\d+m|\d+(\.\d{1,3})?)$'
+                      # Note: the value specified here must not be zero or be higher
+                      # than the corresponding limit.
+                    memory:
+                      type: string
+                      # You can express memory as a plain integer or as a fixed-point
+                      # integer using one of these suffixes: E, P, T, G, M, k. You can
+                      # also use the power-of-two equivalents: Ei, Pi, Ti, Gi, Mi, Ki
+                      #
+                      # https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-memory
+                      pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                      # Note: the value specified here must not be zero or be higher
+                      # than the corresponding limit.
+            sidecars:
+              type: array
+              nullable: true
+              items:
+                type: object
+                additionalProperties: true
+            spiloFSGroup:
+              type: integer
+            standby:
+              type: object
+              required:
+                - s3_wal_path
+              properties:
+                s3_wal_path:
+                  type: string
+            teamId:
+              type: string
+            tolerations:
+              type: array
+              items:
+                type: object
+                required:
+                  - key
+                  - operator
+                  - effect
+                properties:
+                  key:
+                    type: string
+                  operator:
+                    type: string
+                    enum:
+                      - Equal
+                      - Exists
+                  value:
+                    type: string
+                  effect:
+                    type: string
+                    enum:
+                      - NoExecute
+                      - NoSchedule
+                      - PreferNoSchedule
+                  tolerationSeconds:
+                    type: integer
+            useLoadBalancer:  # deprecated
+              type: boolean
+            users:
+              type: object
+              additionalProperties:
+                type: array
+                nullable: true
+                description: "Role flags specified here must not contradict each other"
+                items:
+                  type: string
+                  enum:
+                  - bypassrls
+                  - BYPASSRLS
+                  - nobypassrls
+                  - NOBYPASSRLS
+                  - createdb
+                  - CREATEDB
+                  - nocreatedb
+                  - NOCREATEDB
+                  - createrole
+                  - CREATEROLE
+                  - nocreaterole
+                  - NOCREATEROLE
+                  - inherit
+                  - INHERIT
+                  - noinherit
+                  - NOINHERIT
+                  - login
+                  - LOGIN
+                  - nologin
+                  - NOLOGIN
+                  - replication
+                  - REPLICATION
+                  - noreplication
+                  - NOREPLICATION
+                  - superuser
+                  - SUPERUSER
+                  - nosuperuser
+                  - NOSUPERUSER
+            volume:
+              type: object
+              required:
+                - size
+              properties:
+                size:
+                  type: string
+                  pattern: '^(\d+(e\d+)?|\d+(\.\d+)?(e\d+)?[EPTGMK]i?)$'
+                  # Note: the value specified here must not be zero.
+                storageClass:
+                  type: string
+                subPath:
+                  type: string
+        status:
+          type: object
+          additionalProperties:
+            type: string

manifests/standby-manifest.yaml

@@ -4,16 +4,12 @@ metadata:
   name: acid-standby-cluster
   namespace: default
 spec:
-  teamId: "ACID"
+  teamId: "acid"
   volume:
     size: 1Gi
   numberOfInstances: 1
   postgresql:
-    version: "10"
+    version: "11"
 # Make this a standby cluster and provide the s3 bucket path of source cluster for continuous streaming.
   standby:
     s3_wal_path: "s3://path/to/bucket/containing/wal/of/source/cluster/"
-
-  maintenanceWindows:
-  - 01:00-06:00  #UTC
-  - Sat:00:00-04:00

pkg/apis/acid.zalan.do/v1/crds.go

@@ -1,7 +1,7 @@
 package v1
 
 import (
-	"github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do"
+	acidzalando "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do"
 	apiextv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
@@ -103,7 +103,936 @@ var OperatorConfigCRDResourceColumns = []apiextv1beta1.CustomResourceColumnDefin
 	},
 }
 
-func buildCRD(name, kind, plural, short string, columns []apiextv1beta1.CustomResourceColumnDefinition) *apiextv1beta1.CustomResourceDefinition {
+var min0 = 0.0
+var min1 = 1.0
+var minDisable = -1.0
+
+// PostgresCRDResourceValidation to check applied manifest parameters
+var PostgresCRDResourceValidation = apiextv1beta1.CustomResourceValidation{
+	OpenAPIV3Schema: &apiextv1beta1.JSONSchemaProps{
+		Type:     "object",
+		Required: []string{"kind", "apiVersion", "spec"},
+		Properties: map[string]apiextv1beta1.JSONSchemaProps{
+			"kind": {
+				Type: "string",
+				Enum: []apiextv1beta1.JSON{
+					{
+						Raw: []byte(`"postgresql"`),
+					},
+				},
+			},
+			"apiVersion": {
+				Type: "string",
+				Enum: []apiextv1beta1.JSON{
+					{
+						Raw: []byte(`"acid.zalan.do/v1"`),
+					},
+				},
+			},
+			"spec": {
+				Type:     "object",
+				Required: []string{"numberOfInstances", "teamId", "postgresql"},
+				Properties: map[string]apiextv1beta1.JSONSchemaProps{
+					"allowedSourceRanges": {
+						Type:     "array",
+						Nullable: true,
+						Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type:    "string",
+								Pattern: "^(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\/(\\d|[1-2]\\d|3[0-2])$",
+							},
+						},
+					},
+					"clone": {
+						Type:     "object",
+						Required: []string{"cluster"},
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"cluster": {
+								Type: "string",
+							},
+							"s3_endpoint": {
+								Type: "string",
+							},
+							"s3_access_key_id": {
+								Type: "string",
+							},
+							"s3_secret_access_key": {
+								Type: "string",
+							},
+							"s3_force_path_style": {
+								Type: "string",
+							},
+							"s3_wal_path": {
+								Type: "string",
+							},
+							"timestamp": {
+								Type:        "string",
+								Description: "Date-time format that specifies a timezone as an offset relative to UTC e.g. 1996-12-19T16:39:57-08:00",
+								Pattern:     "^([0-9]+)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])[Tt]([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\\.[0-9]+)?(([Zz])|([+-]([01][0-9]|2[0-3]):[0-5][0-9]))$",
+							},
+							"uid": {
+								Type:   "string",
+								Format: "uuid",
+							},
+						},
+					},
+					"databases": {
+						Type: "object",
+						AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type:        "string",
+								Description: "User names specified here as database owners must be declared in the users key of the spec key",
+							},
+						},
+					},
+					"dockerImage": {
+						Type: "string",
+					},
+					"enableLogicalBackup": {
+						Type: "boolean",
+					},
+					"enableMasterLoadBalancer": {
+						Type: "boolean",
+					},
+					"enableReplicaLoadBalancer": {
+						Type: "boolean",
+					},
+					"enableShmVolume": {
+						Type: "boolean",
+					},
+					"init_containers": {
+						Type:        "array",
+						Description: "Deprecated",
+						Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Allows: true,
+								},
+							},
+						},
+					},
+					"initContainers": {
+						Type: "array",
+						Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Allows: true,
+								},
+							},
+						},
+					},
+					"logicalBackupSchedule": {
+						Type:    "string",
+						Pattern: "^(\\d+|\\*)(/\\d+)?(\\s+(\\d+|\\*)(/\\d+)?){4}$",
+					},
+					"maintenanceWindows": {
+						Type: "array",
+						Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type:    "string",
+								Pattern: "^\\ *((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\\d):([0-5]?\\d)|(2[0-3]|[01]?\\d):([0-5]?\\d))-((Mon|Tue|Wed|Thu|Fri|Sat|Sun):(2[0-3]|[01]?\\d):([0-5]?\\d)|(2[0-3]|[01]?\\d):([0-5]?\\d))\\ *$",
+							},
+						},
+					},
+					"numberOfInstances": {
+						Type:    "integer",
+						Minimum: &min0,
+					},
+					"patroni": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"initdb": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"pg_hba": {
+								Type: "array",
+								Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"slots": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "object",
+										AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+											Schema: &apiextv1beta1.JSONSchemaProps{
+												Type: "string",
+											},
+										},
+									},
+								},
+							},
+							"ttl": {
+								Type: "integer",
+							},
+							"loop_wait": {
+								Type: "integer",
+							},
+							"retry_timeout": {
+								Type: "integer",
+							},
+							"maximum_lag_on_failover": {
+								Type: "integer",
+							},
+						},
+					},
+					"podAnnotations": {
+						Type: "object",
+						AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type: "string",
+							},
+						},
+					},
+					"pod_priority_class_name": {
+						Type:        "string",
+						Description: "Deprecated",
+					},
+					"podPriorityClassName": {
+						Type: "string",
+					},
+					"postgresql": {
+						Type:     "object",
+						Required: []string{"version"},
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"version": {
+								Type: "string",
+								Enum: []apiextv1beta1.JSON{
+									{
+										Raw: []byte(`"9.3"`),
+									},
+									{
+										Raw: []byte(`"9.4"`),
+									},
+									{
+										Raw: []byte(`"9.5"`),
+									},
+									{
+										Raw: []byte(`"9.6"`),
+									},
+									{
+										Raw: []byte(`"10"`),
+									},
+									{
+										Raw: []byte(`"11"`),
+									},
+									{
+										Raw: []byte(`"12"`),
+									},
+								},
+							},
+							"parameters": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+						},
+					},
+					"replicaLoadBalancer": {
+						Type:        "boolean",
+						Description: "Deprecated",
+					},
+					"resources": {
+						Type:     "object",
+						Required: []string{"requests", "limits"},
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"limits": {
+								Type:     "object",
+								Required: []string{"cpu", "memory"},
+								Properties: map[string]apiextv1beta1.JSONSchemaProps{
+									"cpu": {
+										Type:        "string",
+										Description: "Decimal natural followed by m, or decimal natural followed by dot followed by up to three decimal digits (precision used by Kubernetes). Must be greater than 0",
+										Pattern:     "^(\\d+m|\\d+(\\.\\d{1,3})?)$",
+									},
+									"memory": {
+										Type:        "string",
+										Description: "Plain integer or fixed-point integer using one of these suffixes: E, P, T, G, M, k (with or without a tailing i). Must be greater than 0",
+										Pattern:     "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+									},
+								},
+							},
+							"requests": {
+								Type:     "object",
+								Required: []string{"cpu", "memory"},
+								Properties: map[string]apiextv1beta1.JSONSchemaProps{
+									"cpu": {
+										Type:        "string",
+										Description: "Decimal natural followed by m, or decimal natural followed by dot followed by up to three decimal digits (precision used by Kubernetes). Must be greater than 0",
+										Pattern:     "^(\\d+m|\\d+(\\.\\d{1,3})?)$",
+									},
+									"memory": {
+										Type:        "string",
+										Description: "Plain integer or fixed-point integer using one of these suffixes: E, P, T, G, M, k (with or without a tailing i). Must be greater than 0",
+										Pattern:     "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+									},
+								},
+							},
+						},
+					},
+					"sidecars": {
+						Type: "array",
+						Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Allows: true,
+								},
+							},
+						},
+					},
+					"spiloFSGroup": {
+						Type: "integer",
+					},
+					"standby": {
+						Type:     "object",
+						Required: []string{"s3_wal_path"},
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"s3_wal_path": {
+								Type: "string",
+							},
+						},
+					},
+					"teamId": {
+						Type: "string",
+					},
+					"tolerations": {
+						Type: "array",
+						Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type:     "object",
+								Required: []string{"key", "operator", "effect"},
+								Properties: map[string]apiextv1beta1.JSONSchemaProps{
+									"key": {
+										Type: "string",
+									},
+									"operator": {
+										Type: "string",
+										Enum: []apiextv1beta1.JSON{
+											{
+												Raw: []byte(`"Equal"`),
+											},
+											{
+												Raw: []byte(`"Exists"`),
+											},
+										},
+									},
+									"value": {
+										Type: "string",
+									},
+									"effect": {
+										Type: "string",
+										Enum: []apiextv1beta1.JSON{
+											{
+												Raw: []byte(`"NoExecute"`),
+											},
+											{
+												Raw: []byte(`"NoSchedule"`),
+											},
+											{
+												Raw: []byte(`"PreferNoSchedule"`),
+											},
+										},
+									},
+									"tolerationSeconds": {
+										Type: "integer",
+									},
+								},
+							},
+						},
+					},
+					"useLoadBalancer": {
+						Type:        "boolean",
+						Description: "Deprecated",
+					},
+					"users": {
+						Type: "object",
+						AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type:        "array",
+								Description: "Role flags specified here must not contradict each other",
+								Nullable:    true,
+								Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+										Enum: []apiextv1beta1.JSON{
+											{
+												Raw: []byte(`"bypassrls"`),
+											},
+											{
+												Raw: []byte(`"BYPASSRLS"`),
+											},
+											{
+												Raw: []byte(`"nobypassrls"`),
+											},
+											{
+												Raw: []byte(`"NOBYPASSRLS"`),
+											},
+											{
+												Raw: []byte(`"createdb"`),
+											},
+											{
+												Raw: []byte(`"CREATEDB"`),
+											},
+											{
+												Raw: []byte(`"nocreatedb"`),
+											},
+											{
+												Raw: []byte(`"NOCREATEDB"`),
+											},
+											{
+												Raw: []byte(`"createrole"`),
+											},
+											{
+												Raw: []byte(`"CREATEROLE"`),
+											},
+											{
+												Raw: []byte(`"nocreaterole"`),
+											},
+											{
+												Raw: []byte(`"NOCREATEROLE"`),
+											},
+											{
+												Raw: []byte(`"inherit"`),
+											},
+											{
+												Raw: []byte(`"INHERIT"`),
+											},
+											{
+												Raw: []byte(`"noinherit"`),
+											},
+											{
+												Raw: []byte(`"NOINHERIT"`),
+											},
+											{
+												Raw: []byte(`"login"`),
+											},
+											{
+												Raw: []byte(`"LOGIN"`),
+											},
+											{
+												Raw: []byte(`"nologin"`),
+											},
+											{
+												Raw: []byte(`"NOLOGIN"`),
+											},
+											{
+												Raw: []byte(`"replication"`),
+											},
+											{
+												Raw: []byte(`"REPLICATION"`),
+											},
+											{
+												Raw: []byte(`"noreplication"`),
+											},
+											{
+												Raw: []byte(`"NOREPLICATION"`),
+											},
+											{
+												Raw: []byte(`"superuser"`),
+											},
+											{
+												Raw: []byte(`"SUPERUSER"`),
+											},
+											{
+												Raw: []byte(`"nosuperuser"`),
+											},
+											{
+												Raw: []byte(`"NOSUPERUSER"`),
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+					"volume": {
+						Type:     "object",
+						Required: []string{"size"},
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"size": {
+								Type:        "string",
+								Description: "Value must not be zero",
+								Pattern:     "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+							},
+							"storageClass": {
+								Type: "string",
+							},
+							"subPath": {
+								Type: "string",
+							},
+						},
+					},
+				},
+			},
+			"status": {
+				Type: "object",
+				AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+					Schema: &apiextv1beta1.JSONSchemaProps{
+						Type: "string",
+					},
+				},
+			},
+		},
+	},
+}
+
+// OperatorConfigCRDResourceValidation to check applied manifest parameters
+var OperatorConfigCRDResourceValidation = apiextv1beta1.CustomResourceValidation{
+	OpenAPIV3Schema: &apiextv1beta1.JSONSchemaProps{
+		Type:     "object",
+		Required: []string{"kind", "apiVersion", "configuration"},
+		Properties: map[string]apiextv1beta1.JSONSchemaProps{
+			"kind": {
+				Type: "string",
+				Enum: []apiextv1beta1.JSON{
+					{
+						Raw: []byte(`"OperatorConfiguration"`),
+					},
+				},
+			},
+			"apiVersion": {
+				Type: "string",
+				Enum: []apiextv1beta1.JSON{
+					{
+						Raw: []byte(`"acid.zalan.do/v1"`),
+					},
+				},
+			},
+			"configuration": {
+				Type: "object",
+				Properties: map[string]apiextv1beta1.JSONSchemaProps{
+					"docker_image": {
+						Type: "string",
+					},
+					"enable_crd_validation": {
+						Type: "boolean",
+					},
+					"enable_shm_volume": {
+						Type: "boolean",
+					},
+					"etcd_host": {
+						Type: "string",
+					},
+					"max_instances": {
+						Type:        "integer",
+						Description: "-1 = disabled",
+						Minimum:     &minDisable,
+					},
+					"min_instances": {
+						Type:        "integer",
+						Description: "-1 = disabled",
+						Minimum:     &minDisable,
+					},
+					"resync_period": {
+						Type: "string",
+					},
+					"repair_period": {
+						Type: "string",
+					},
+					"set_memory_request_to_limit": {
+						Type: "boolean",
+					},
+					"sidecar_docker_images": {
+						Type: "object",
+						AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+							Schema: &apiextv1beta1.JSONSchemaProps{
+								Type: "string",
+							},
+						},
+					},
+					"workers": {
+						Type:    "integer",
+						Minimum: &min1,
+					},
+					"users": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"replication_username": {
+								Type: "string",
+							},
+							"super_username": {
+								Type: "string",
+							},
+						},
+					},
+					"kubernetes": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"cluster_domain": {
+								Type: "string",
+							},
+							"cluster_labels": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"cluster_name_label": {
+								Type: "string",
+							},
+							"custom_pod_annotations": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"enable_init_containers": {
+								Type: "boolean",
+							},
+							"enable_pod_antiaffinity": {
+								Type: "boolean",
+							},
+							"enable_pod_disruption_budget": {
+								Type: "boolean",
+							},
+							"enable_sidecars": {
+								Type: "boolean",
+							},
+							"infrastructure_roles_secret_name": {
+								Type: "string",
+							},
+							"inherited_labels": {
+								Type: "array",
+								Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"master_pod_move_timeout": {
+								Type: "string",
+							},
+							"node_readiness_label": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"oauth_token_secret_name": {
+								Type: "string",
+							},
+							"pdb_name_format": {
+								Type: "string",
+							},
+							"pod_antiaffinity_topology_key": {
+								Type: "string",
+							},
+							"pod_environment_configmap": {
+								Type: "string",
+							},
+							"pod_management_policy": {
+								Type: "string",
+								Enum: []apiextv1beta1.JSON{
+									{
+										Raw: []byte(`"ordered_ready"`),
+									},
+									{
+										Raw: []byte(`"parallel"`),
+									},
+								},
+							},
+							"pod_priority_class_name": {
+								Type: "string",
+							},
+							"pod_role_label": {
+								Type: "string",
+							},
+							"pod_service_account_definition": {
+								Type: "string",
+							},
+							"pod_service_account_name": {
+								Type: "string",
+							},
+							"pod_service_account_role_binding_definition": {
+								Type: "string",
+							},
+							"pod_terminate_grace_period": {
+								Type: "string",
+							},
+							"secret_name_template": {
+								Type: "string",
+							},
+							"spilo_fsgroup": {
+								Type: "integer",
+							},
+							"spilo_privileged": {
+								Type: "boolean",
+							},
+							"toleration": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"watched_namespace": {
+								Type: "string",
+							},
+						},
+					},
+					"postgres_pod_resources": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"default_cpu_limit": {
+								Type:    "string",
+								Pattern: "^(\\d+m|\\d+(\\.\\d{1,3})?)$",
+							},
+							"default_cpu_request": {
+								Type:    "string",
+								Pattern: "^(\\d+m|\\d+(\\.\\d{1,3})?)$",
+							},
+							"default_memory_limit": {
+								Type:    "string",
+								Pattern: "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+							},
+							"default_memory_request": {
+								Type:    "string",
+								Pattern: "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+							},
+						},
+					},
+					"timeouts": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"pod_label_wait_timeout": {
+								Type: "string",
+							},
+							"pod_deletion_wait_timeout": {
+								Type: "string",
+							},
+							"ready_wait_interval": {
+								Type: "string",
+							},
+							"ready_wait_timeout": {
+								Type: "string",
+							},
+							"resource_check_interval": {
+								Type: "string",
+							},
+							"resource_check_timeout": {
+								Type: "string",
+							},
+						},
+					},
+					"load_balancer": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"custom_service_annotations": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"db_hosted_zone": {
+								Type: "string",
+							},
+							"enable_master_load_balancer": {
+								Type: "boolean",
+							},
+							"enable_replica_load_balancer": {
+								Type: "boolean",
+							},
+							"master_dns_name_format": {
+								Type: "string",
+							},
+							"replica_dns_name_format": {
+								Type: "string",
+							},
+						},
+					},
+					"aws_or_gcp": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"additional_secret_mount": {
+								Type: "string",
+							},
+							"additional_secret_mount_path": {
+								Type: "string",
+							},
+							"aws_region": {
+								Type: "string",
+							},
+							"kube_iam_role": {
+								Type: "string",
+							},
+							"log_s3_bucket": {
+								Type: "string",
+							},
+							"wal_s3_bucket": {
+								Type: "string",
+							},
+						},
+					},
+					"logical_backup": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"logical_backup_docker_image": {
+								Type: "string",
+							},
+							"logical_backup_s3_access_key_id": {
+								Type: "string",
+							},
+							"logical_backup_s3_bucket": {
+								Type: "string",
+							},
+							"logical_backup_s3_endpoint": {
+								Type: "string",
+							},
+							"logical_backup_s3_secret_access_key": {
+								Type: "string",
+							},
+							"logical_backup_s3_sse": {
+								Type: "string",
+							},
+							"logical_backup_schedule": {
+								Type:    "string",
+								Pattern: "^(\\d+|\\*)(/\\d+)?(\\s+(\\d+|\\*)(/\\d+)?){4}$",
+							},
+						},
+					},
+					"debug": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"debug_logging": {
+								Type: "boolean",
+							},
+							"enable_database_access": {
+								Type: "boolean",
+							},
+						},
+					},
+					"teams_api": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"enable_admin_role_for_users": {
+								Type: "boolean",
+							},
+							"enable_team_superuser": {
+								Type: "boolean",
+							},
+							"enable_teams_api": {
+								Type: "boolean",
+							},
+							"pam_configuration": {
+								Type: "string",
+							},
+							"pam_role_name": {
+								Type: "string",
+							},
+							"postgres_superuser_teams": {
+								Type: "array",
+								Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"protected_role_names": {
+								Type: "array",
+								Items: &apiextv1beta1.JSONSchemaPropsOrArray{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"team_admin_role": {
+								Type: "string",
+							},
+							"team_api_role_configuration": {
+								Type: "object",
+								AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+									Schema: &apiextv1beta1.JSONSchemaProps{
+										Type: "string",
+									},
+								},
+							},
+							"teams_api_url": {
+								Type: "string",
+							},
+						},
+					},
+					"logging_rest_api": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"api_port": {
+								Type: "integer",
+							},
+							"cluster_history_entries": {
+								Type: "integer",
+							},
+							"ring_log_lines": {
+								Type: "integer",
+							},
+						},
+					},
+					"scalyr": {
+						Type: "object",
+						Properties: map[string]apiextv1beta1.JSONSchemaProps{
+							"scalyr_api_key": {
+								Type: "string",
+							},
+							"scalyr_cpu_limit": {
+								Type:    "string",
+								Pattern: "^(\\d+m|\\d+(\\.\\d{1,3})?)$",
+							},
+							"scalyr_cpu_request": {
+								Type:    "string",
+								Pattern: "^(\\d+m|\\d+(\\.\\d{1,3})?)$",
+							},
+							"scalyr_image": {
+								Type: "string",
+							},
+							"scalyr_memory_limit": {
+								Type:    "string",
+								Pattern: "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+							},
+							"scalyr_memory_request": {
+								Type:    "string",
+								Pattern: "^(\\d+(e\\d+)?|\\d+(\\.\\d+)?(e\\d+)?[EPTGMK]i?)$",
+							},
+							"scalyr_server_url": {
+								Type: "string",
+							},
+						},
+					},
+				},
+			},
+			"status": {
+				Type: "object",
+				AdditionalProperties: &apiextv1beta1.JSONSchemaPropsOrBool{
+					Schema: &apiextv1beta1.JSONSchemaProps{
+						Type: "string",
+					},
+				},
+			},
+		},
+	},
+}
+
+func buildCRD(name, kind, plural, short string, columns []apiextv1beta1.CustomResourceColumnDefinition, validation apiextv1beta1.CustomResourceValidation) *apiextv1beta1.CustomResourceDefinition {
 	return &apiextv1beta1.CustomResourceDefinition{
 		ObjectMeta: metav1.ObjectMeta{
 			Name: name,
@@ -121,24 +1050,39 @@ func buildCRD(name, kind, plural, short string, columns []apiextv1beta1.CustomRe
 				Status: &apiextv1beta1.CustomResourceSubresourceStatus{},
 			},
 			AdditionalPrinterColumns: columns,
+			Validation:               &validation,
 		},
 	}
 }
 
 // PostgresCRD returns CustomResourceDefinition built from PostgresCRDResource
-func PostgresCRD() *apiextv1beta1.CustomResourceDefinition {
+func PostgresCRD(enableValidation *bool) *apiextv1beta1.CustomResourceDefinition {
+	postgresCRDvalidation := apiextv1beta1.CustomResourceValidation{}
+
+	if enableValidation != nil && *enableValidation {
+		postgresCRDvalidation = PostgresCRDResourceValidation
+	}
+
 	return buildCRD(PostgresCRDResouceName,
 		PostgresCRDResourceKind,
 		PostgresCRDResourcePlural,
 		PostgresCRDResourceShort,
-		PostgresCRDResourceColumns)
+		PostgresCRDResourceColumns,
+		postgresCRDvalidation)
 }
 
 // ConfigurationCRD returns CustomResourceDefinition built from OperatorConfigCRDResource
-func ConfigurationCRD() *apiextv1beta1.CustomResourceDefinition {
+func ConfigurationCRD(enableValidation *bool) *apiextv1beta1.CustomResourceDefinition {
+	opconfigCRDvalidation := apiextv1beta1.CustomResourceValidation{}
+
+	if enableValidation != nil && *enableValidation {
+		opconfigCRDvalidation = OperatorConfigCRDResourceValidation
+	}
+
 	return buildCRD(OperatorConfigCRDResourceName,
 		OperatorConfigCRDResouceKind,
 		OperatorConfigCRDResourcePlural,
 		OperatorConfigCRDResourceShort,
-		OperatorConfigCRDResourceColumns)
+		OperatorConfigCRDResourceColumns,
+		opconfigCRDvalidation)
 }

pkg/apis/acid.zalan.do/v1/operator_configuration_type.go

@@ -50,6 +50,8 @@ type KubernetesMetaConfiguration struct {
 	WatchedNamespace                       string                `json:"watched_namespace,omitempty"`
 	PDBNameFormat                          config.StringTemplate `json:"pdb_name_format,omitempty"`
 	EnablePodDisruptionBudget              *bool                 `json:"enable_pod_disruption_budget,omitempty"`
+	EnableInitContainers                   *bool                 `json:"enable_init_containers,omitempty"`
+	EnableSidecars                         *bool                 `json:"enable_sidecars,omitempty"`
 	SecretNameTemplate                     config.StringTemplate `json:"secret_name_template,omitempty"`
 	ClusterDomain                          string                `json:"cluster_domain"`
 	OAuthTokenSecretName                   spec.NamespacedName   `json:"oauth_token_secret_name,omitempty"`
@@ -59,6 +61,7 @@ type KubernetesMetaConfiguration struct {
 	InheritedLabels                        []string              `json:"inherited_labels,omitempty"`
 	ClusterNameLabel                       string                `json:"cluster_name_label,omitempty"`
 	NodeReadinessLabel                     map[string]string     `json:"node_readiness_label,omitempty"`
+	CustomPodAnnotations                   map[string]string     `json:"custom_pod_annotations,omitempty"`
 	// TODO: use a proper toleration structure?
 	PodToleration map[string]string `json:"toleration,omitempty"`
 	// TODO: use namespacedname
@@ -115,7 +118,7 @@ type OperatorDebugConfiguration struct {
 	EnableDBAccess bool `json:"enable_database_access,omitempty"`
 }
 
-// TeamsAPIConfiguration defines the configration of TeamsAPI
+// TeamsAPIConfiguration defines the configuration of TeamsAPI
 type TeamsAPIConfiguration struct {
 	EnableTeamsAPI           bool              `json:"enable_teams_api,omitempty"`
 	TeamsAPIUrl              string            `json:"teams_api_url,omitempty"`
@@ -147,8 +150,20 @@ type ScalyrConfiguration struct {
 	ScalyrMemoryLimit   string `json:"scalyr_memory_limit,omitempty"`
 }
 
+// OperatorLogicalBackupConfiguration defines configuration for logical backup
+type OperatorLogicalBackupConfiguration struct {
+	Schedule          string `json:"logical_backup_schedule,omitempty"`
+	DockerImage       string `json:"logical_backup_docker_image,omitempty"`
+	S3Bucket          string `json:"logical_backup_s3_bucket,omitempty"`
+	S3Endpoint        string `json:"logical_backup_s3_endpoint,omitempty"`
+	S3AccessKeyID     string `json:"logical_backup_s3_access_key_id,omitempty"`
+	S3SecretAccessKey string `json:"logical_backup_s3_secret_access_key,omitempty"`
+	S3SSE             string `json:"logical_backup_s3_sse,omitempty"`
+}
+
 // OperatorConfigurationData defines the operation config
 type OperatorConfigurationData struct {
+	EnableCRDValidation        *bool                              `json:"enable_crd_validation,omitempty"`
 	EtcdHost                   string                             `json:"etcd_host,omitempty"`
 	DockerImage                string                             `json:"docker_image,omitempty"`
 	Workers                    uint32                             `json:"workers,omitempty"`
@@ -172,19 +187,5 @@ type OperatorConfigurationData struct {
 	LogicalBackup              OperatorLogicalBackupConfiguration `json:"logical_backup"`
 }
 
-// OperatorConfigurationUsers defines configration for super user
-type OperatorConfigurationUsers struct {
-	SuperUserName            string            `json:"superuser_name,omitempty"`
-	Replication              string            `json:"replication_user_name,omitempty"`
-	ProtectedRoles           []string          `json:"protected_roles,omitempty"`
-	TeamAPIRoleConfiguration map[string]string `json:"team_api_role_configuration,omitempty"`
-}
-
 //Duration shortens this frequently used name
 type Duration time.Duration
-
-type OperatorLogicalBackupConfiguration struct {
-	Schedule    string `json:"logical_backup_schedule,omitempty"`
-	DockerImage string `json:"logical_backup_docker_image,omitempty"`
-	S3Bucket    string `json:"logical_backup_s3_bucket,omitempty"`
-}

pkg/apis/acid.zalan.do/v1/postgresql_type.go

@@ -60,6 +60,7 @@ type PostgresSpec struct {
 	EnableLogicalBackup   bool                        `json:"enableLogicalBackup,omitempty"`
 	LogicalBackupSchedule string                      `json:"logicalBackupSchedule,omitempty"`
 	StandbyCluster        *StandbyDescription         `json:"standby"`
+	PodAnnotations        map[string]string           `json:"podAnnotations"`
 
 	// deprecated json tags
 	InitContainersOld       []v1.Container `json:"init_containers,omitempty"`

pkg/apis/acid.zalan.do/v1/util_test.go

@@ -180,7 +180,7 @@ var unmarshalCluster = []struct {
 	    "name": "acid-testcluster1"
 	  },
 	  "spec": {
-	    "teamId": "ACID",
+	    "teamId": "acid",
 		"pod_priority_class_name": "spilo-pod-priority",
 	    "volume": {
 	      "size": "5Gi",
@@ -290,7 +290,7 @@ var unmarshalCluster = []struct {
 					ResourceLimits:   ResourceDescription{CPU: "300m", Memory: "3000Mi"},
 				},
 
-				TeamID:              "ACID",
+				TeamID:              "acid",
 				AllowedSourceRanges: []string{"127.0.0.1/32"},
 				NumberOfInstances:   2,
 				Users:               map[string]UserFlags{"zalando": {"superuser", "createdb"}},
@@ -319,7 +319,7 @@ var unmarshalCluster = []struct {
 			},
 			Error: "",
 		},
-		marshal: []byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"9.6","parameters":{"log_statement":"all","max_connections":"10","shared_buffers":"32MB"}},"pod_priority_class_name":"spilo-pod-priority","volume":{"size":"5Gi","storageClass":"SSD", "subPath": "subdir"},"enableShmVolume":false,"patroni":{"initdb":{"data-checksums":"true","encoding":"UTF8","locale":"en_US.UTF-8"},"pg_hba":["hostssl all all 0.0.0.0/0 md5","host    all all 0.0.0.0/0 md5"],"ttl":30,"loop_wait":10,"retry_timeout":10,"maximum_lag_on_failover":33554432,"slots":{"permanent_logical_1":{"database":"foo","plugin":"pgoutput","type":"logical"}}},"resources":{"requests":{"cpu":"10m","memory":"50Mi"},"limits":{"cpu":"300m","memory":"3000Mi"}},"teamId":"ACID","allowedSourceRanges":["127.0.0.1/32"],"numberOfInstances":2,"users":{"zalando":["superuser","createdb"]},"maintenanceWindows":["Mon:01:00-06:00","Sat:00:00-04:00","05:00-05:15"],"clone":{"cluster":"acid-batman"}},"status":{"PostgresClusterStatus":""}}`),
+		marshal: []byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"9.6","parameters":{"log_statement":"all","max_connections":"10","shared_buffers":"32MB"}},"pod_priority_class_name":"spilo-pod-priority","volume":{"size":"5Gi","storageClass":"SSD", "subPath": "subdir"},"enableShmVolume":false,"patroni":{"initdb":{"data-checksums":"true","encoding":"UTF8","locale":"en_US.UTF-8"},"pg_hba":["hostssl all all 0.0.0.0/0 md5","host    all all 0.0.0.0/0 md5"],"ttl":30,"loop_wait":10,"retry_timeout":10,"maximum_lag_on_failover":33554432,"slots":{"permanent_logical_1":{"database":"foo","plugin":"pgoutput","type":"logical"}}},"resources":{"requests":{"cpu":"10m","memory":"50Mi"},"limits":{"cpu":"300m","memory":"3000Mi"}},"teamId":"acid","allowedSourceRanges":["127.0.0.1/32"],"numberOfInstances":2,"users":{"zalando":["superuser","createdb"]},"maintenanceWindows":["Mon:01:00-06:00","Sat:00:00-04:00","05:00-05:15"],"clone":{"cluster":"acid-batman"}},"status":{"PostgresClusterStatus":""}}`),
 		err:     nil},
 	// example with teamId set in input
 	{
@@ -437,6 +437,16 @@ var postgresqlList = []struct {
 		PostgresqlList{},
 		errors.New("unexpected end of JSON input")}}
 
+var annotations = []struct {
+	in          []byte
+	annotations map[string]string
+	err         error
+}{{
+	in:          []byte(`{"kind": "Postgresql","apiVersion": "acid.zalan.do/v1","metadata": {"name": "acid-testcluster1"}, "spec": {"podAnnotations": {"foo": "bar"},"teamId": "acid", "clone": {"cluster": "team-batman"}}}`),
+	annotations: map[string]string{"foo": "bar"},
+	err:         nil},
+}
+
 func mustParseTime(s string) metav1.Time {
 	v, err := time.Parse("15:04", s)
 	if err != nil {
@@ -482,6 +492,25 @@ func TestWeekdayTime(t *testing.T) {
 	}
 }
 
+func TestClusterAnnotations(t *testing.T) {
+	for _, tt := range annotations {
+		var cluster Postgresql
+		err := cluster.UnmarshalJSON(tt.in)
+		if err != nil {
+			if tt.err == nil || err.Error() != tt.err.Error() {
+				t.Errorf("Unable to marshal cluster with annotations: expected %v got %v", tt.err, err)
+			}
+			continue
+		}
+		for k, v := range cluster.Spec.PodAnnotations {
+			found, expected := v, tt.annotations[k]
+			if found != expected {
+				t.Errorf("Didn't find correct value for key %v in for podAnnotations:  Expected %v found %v", k, expected, found)
+			}
+		}
+	}
+}
+
 func TestClusterName(t *testing.T) {
 	for _, tt := range clusterNames {
 		name, err := extractClusterName(tt.in, tt.inTeam)

pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go

@@ -81,6 +81,16 @@ func (in *KubernetesMetaConfiguration) DeepCopyInto(out *KubernetesMetaConfigura
 		*out = new(bool)
 		**out = **in
 	}
+	if in.EnableInitContainers != nil {
+		in, out := &in.EnableInitContainers, &out.EnableInitContainers
+		*out = new(bool)
+		**out = **in
+	}
+	if in.EnableSidecars != nil {
+		in, out := &in.EnableSidecars, &out.EnableSidecars
+		*out = new(bool)
+		**out = **in
+	}
 	out.OAuthTokenSecretName = in.OAuthTokenSecretName
 	out.InfrastructureRolesSecretName = in.InfrastructureRolesSecretName
 	if in.ClusterLabels != nil {
@@ -102,6 +112,13 @@ func (in *KubernetesMetaConfiguration) DeepCopyInto(out *KubernetesMetaConfigura
 			(*out)[key] = val
 		}
 	}
+	if in.CustomPodAnnotations != nil {
+		in, out := &in.CustomPodAnnotations, &out.CustomPodAnnotations
+		*out = make(map[string]string, len(*in))
+		for key, val := range *in {
+			(*out)[key] = val
+		}
+	}
 	if in.PodToleration != nil {
 		in, out := &in.PodToleration, &out.PodToleration
 		*out = make(map[string]string, len(*in))
@@ -209,6 +226,11 @@ func (in *OperatorConfiguration) DeepCopyObject() runtime.Object {
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *OperatorConfigurationData) DeepCopyInto(out *OperatorConfigurationData) {
 	*out = *in
+	if in.EnableCRDValidation != nil {
+		in, out := &in.EnableCRDValidation, &out.EnableCRDValidation
+		*out = new(bool)
+		**out = **in
+	}
 	if in.ShmVolume != nil {
 		in, out := &in.ShmVolume, &out.ShmVolume
 		*out = new(bool)
@@ -278,34 +300,6 @@ func (in *OperatorConfigurationList) DeepCopyObject() runtime.Object {
 	return nil
 }
 
-// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (in *OperatorConfigurationUsers) DeepCopyInto(out *OperatorConfigurationUsers) {
-	*out = *in
-	if in.ProtectedRoles != nil {
-		in, out := &in.ProtectedRoles, &out.ProtectedRoles
-		*out = make([]string, len(*in))
-		copy(*out, *in)
-	}
-	if in.TeamAPIRoleConfiguration != nil {
-		in, out := &in.TeamAPIRoleConfiguration, &out.TeamAPIRoleConfiguration
-		*out = make(map[string]string, len(*in))
-		for key, val := range *in {
-			(*out)[key] = val
-		}
-	}
-	return
-}
-
-// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new OperatorConfigurationUsers.
-func (in *OperatorConfigurationUsers) DeepCopy() *OperatorConfigurationUsers {
-	if in == nil {
-		return nil
-	}
-	out := new(OperatorConfigurationUsers)
-	in.DeepCopyInto(out)
-	return out
-}
-
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *OperatorDebugConfiguration) DeepCopyInto(out *OperatorDebugConfiguration) {
 	*out = *in
@@ -520,6 +514,13 @@ func (in *PostgresSpec) DeepCopyInto(out *PostgresSpec) {
 		*out = new(StandbyDescription)
 		**out = **in
 	}
+	if in.PodAnnotations != nil {
+		in, out := &in.PodAnnotations, &out.PodAnnotations
+		*out = make(map[string]string, len(*in))
+		for key, val := range *in {
+			(*out)[key] = val
+		}
+	}
 	if in.InitContainersOld != nil {
 		in, out := &in.InitContainersOld, &out.InitContainersOld
 		*out = make([]corev1.Container, len(*in))

pkg/cluster/cluster.go

@@ -232,6 +232,10 @@ func (c *Cluster) Create() error {
 
 	c.setStatus(acidv1.ClusterStatusCreating)
 
+	if err = c.validateResources(&c.Spec); err != nil {
+		return fmt.Errorf("insufficient resource limits specified: %v", err)
+	}
+
 	for _, role := range []PostgresRole{Master, Replica} {
 
 		if c.Endpoints[role] != nil {
@@ -499,6 +503,44 @@ func compareResourcesAssumeFirstNotNil(a *v1.ResourceRequirements, b *v1.Resourc
 
 }
 
+func (c *Cluster) validateResources(spec *acidv1.PostgresSpec) error {
+
+	// setting limits too low can cause unnecessary evictions / OOM kills
+	const (
+		cpuMinLimit    = "256m"
+		memoryMinLimit = "256Mi"
+	)
+
+	var (
+		isSmaller bool
+		err       error
+	)
+
+	cpuLimit := spec.Resources.ResourceLimits.CPU
+	if cpuLimit != "" {
+		isSmaller, err = util.IsSmallerQuantity(cpuLimit, cpuMinLimit)
+		if err != nil {
+			return fmt.Errorf("error validating CPU limit: %v", err)
+		}
+		if isSmaller {
+			return fmt.Errorf("defined CPU limit %s is below required minimum %s to properly run postgresql resource", cpuLimit, cpuMinLimit)
+		}
+	}
+
+	memoryLimit := spec.Resources.ResourceLimits.Memory
+	if memoryLimit != "" {
+		isSmaller, err = util.IsSmallerQuantity(memoryLimit, memoryMinLimit)
+		if err != nil {
+			return fmt.Errorf("error validating memory limit: %v", err)
+		}
+		if isSmaller {
+			return fmt.Errorf("defined memory limit %s is below required minimum %s to properly run postgresql resource", memoryLimit, memoryMinLimit)
+		}
+	}
+
+	return nil
+}
+
 // Update changes Kubernetes objects according to the new specification. Unlike the sync case, the missing object
 // (i.e. service) is treated as an error
 // logical backup cron jobs are an exception: a user-initiated Update can enable a logical backup job
@@ -509,6 +551,7 @@ func (c *Cluster) Update(oldSpec, newSpec *acidv1.Postgresql) error {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
+	oldStatus := c.Status
 	c.setStatus(acidv1.ClusterStatusUpdating)
 	c.setSpec(newSpec)
 
@@ -520,6 +563,22 @@ func (c *Cluster) Update(oldSpec, newSpec *acidv1.Postgresql) error {
 		}
 	}()
 
+	if err := c.validateResources(&newSpec.Spec); err != nil {
+		err = fmt.Errorf("insufficient resource limits specified: %v", err)
+
+		// cancel update only when (already too low) pod resources were edited
+		// if cluster was successfully running before the update, continue but log a warning
+		isCPULimitSmaller, err2 := util.IsSmallerQuantity(newSpec.Spec.Resources.ResourceLimits.CPU, oldSpec.Spec.Resources.ResourceLimits.CPU)
+		isMemoryLimitSmaller, err3 := util.IsSmallerQuantity(newSpec.Spec.Resources.ResourceLimits.Memory, oldSpec.Spec.Resources.ResourceLimits.Memory)
+
+		if oldStatus.Running() && !isCPULimitSmaller && !isMemoryLimitSmaller && err2 == nil && err3 == nil {
+			c.logger.Warning(err)
+		} else {
+			updateFailed = true
+			return err
+		}
+	}
+
 	if oldSpec.Spec.PgVersion != newSpec.Spec.PgVersion { // PG versions comparison
 		c.logger.Warningf("postgresql version change(%q -> %q) has no effect", oldSpec.Spec.PgVersion, newSpec.Spec.PgVersion)
 		//we need that hack to generate statefulset with the old version

pkg/cluster/cluster_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/zalando/postgres-operator/pkg/util/config"
 	"github.com/zalando/postgres-operator/pkg/util/k8sutil"
 	"github.com/zalando/postgres-operator/pkg/util/teams"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 )
 
 const (
@@ -328,3 +328,57 @@ func TestShouldDeleteSecret(t *testing.T) {
 		}
 	}
 }
+
+func TestPodAnnotations(t *testing.T) {
+	testName := "TestPodAnnotations"
+	tests := []struct {
+		subTest  string
+		operator map[string]string
+		database map[string]string
+		merged   map[string]string
+	}{
+		{
+			subTest:  "No Annotations",
+			operator: make(map[string]string),
+			database: make(map[string]string),
+			merged:   make(map[string]string),
+		},
+		{
+			subTest:  "Operator Config Annotations",
+			operator: map[string]string{"foo": "bar"},
+			database: make(map[string]string),
+			merged:   map[string]string{"foo": "bar"},
+		},
+		{
+			subTest:  "Database Config Annotations",
+			operator: make(map[string]string),
+			database: map[string]string{"foo": "bar"},
+			merged:   map[string]string{"foo": "bar"},
+		},
+		{
+			subTest:  "Database Config overrides Operator Config Annotations",
+			operator: map[string]string{"foo": "bar", "global": "foo"},
+			database: map[string]string{"foo": "baz", "local": "foo"},
+			merged:   map[string]string{"foo": "baz", "global": "foo", "local": "foo"},
+		},
+	}
+
+	for _, tt := range tests {
+		cl.OpConfig.CustomPodAnnotations = tt.operator
+		cl.Postgresql.Spec.PodAnnotations = tt.database
+
+		annotations := cl.generatePodAnnotations(&cl.Postgresql.Spec)
+		for k, v := range annotations {
+			if observed, expected := v, tt.merged[k]; observed != expected {
+				t.Errorf("%v expects annotation value %v for key %v, but found %v",
+					testName+"/"+tt.subTest, expected, observed, k)
+			}
+		}
+		for k, v := range tt.merged {
+			if observed, expected := annotations[k], v; observed != expected {
+				t.Errorf("%v expects annotation value %v for key %v, but found %v",
+					testName+"/"+tt.subTest, expected, observed, k)
+			}
+		}
+	}
+}

pkg/cluster/k8sres.go

@@ -430,6 +430,7 @@ func mountShmVolumeNeeded(opConfig config.Config, pgSpec *acidv1.PostgresSpec) *
 func generatePodTemplate(
 	namespace string,
 	labels labels.Set,
+	annotations map[string]string,
 	spiloContainer *v1.Container,
 	initContainers []v1.Container,
 	sidecarContainers []v1.Container,
@@ -485,13 +486,17 @@ func generatePodTemplate(
 
 	template := v1.PodTemplateSpec{
 		ObjectMeta: metav1.ObjectMeta{
-			Labels:    labels,
-			Namespace: namespace,
+			Labels:      labels,
+			Namespace:   namespace,
+			Annotations: annotations,
 		},
 		Spec: podSpec,
 	}
 	if kubeIAMRole != "" {
-		template.Annotations = map[string]string{constants.KubeIAmAnnotation: kubeIAMRole}
+		if template.Annotations == nil {
+			template.Annotations = make(map[string]string)
+		}
+		template.Annotations[constants.KubeIAmAnnotation] = kubeIAMRole
 	}
 
 	return &template, nil
@@ -715,6 +720,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 
 	var (
 		err                 error
+		initContainers      []v1.Container
 		sidecarContainers   []v1.Container
 		podTemplate         *v1.PodTemplateSpec
 		volumeClaimTemplate *v1.PersistentVolumeClaim
@@ -735,7 +741,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 			limit = c.OpConfig.DefaultMemoryLimit
 		}
 
-		isSmaller, err := util.RequestIsSmallerThanLimit(request, limit)
+		isSmaller, err := util.IsSmallerQuantity(request, limit)
 		if err != nil {
 			return nil, err
 		}
@@ -762,7 +768,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 				limit = c.OpConfig.DefaultMemoryLimit
 			}
 
-			isSmaller, err := util.RequestIsSmallerThanLimit(sidecarRequest, sidecarLimit)
+			isSmaller, err := util.IsSmallerQuantity(sidecarRequest, sidecarLimit)
 			if err != nil {
 				return nil, err
 			}
@@ -781,6 +787,13 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 		return nil, fmt.Errorf("could not generate resource requirements: %v", err)
 	}
 
+	if spec.InitContainers != nil && len(spec.InitContainers) > 0 {
+		if c.OpConfig.EnableInitContainers != nil && !(*c.OpConfig.EnableInitContainers) {
+			c.logger.Warningf("initContainers specified but disabled in configuration - next statefulset creation would fail")
+		}
+		initContainers = spec.InitContainers
+	}
+
 	customPodEnvVarsList := make([]v1.EnvVar, 0)
 
 	if c.OpConfig.PodEnvironmentConfigMap != "" {
@@ -867,9 +880,14 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 	}
 
 	// generate sidecar containers
-	if sidecarContainers, err = generateSidecarContainers(sideCars, volumeMounts, defaultResources,
-		c.OpConfig.SuperUsername, c.credentialSecretName(c.OpConfig.SuperUsername), c.logger); err != nil {
-		return nil, fmt.Errorf("could not generate sidecar containers: %v", err)
+	if sideCars != nil && len(sideCars) > 0 {
+		if c.OpConfig.EnableSidecars != nil && !(*c.OpConfig.EnableSidecars) {
+			c.logger.Warningf("sidecars specified but disabled in configuration - next statefulset creation would fail")
+		}
+		if sidecarContainers, err = generateSidecarContainers(sideCars, volumeMounts, defaultResources,
+			c.OpConfig.SuperUsername, c.credentialSecretName(c.OpConfig.SuperUsername), c.logger); err != nil {
+			return nil, fmt.Errorf("could not generate sidecar containers: %v", err)
+		}
 	}
 
 	tolerationSpec := tolerations(&spec.Tolerations, c.OpConfig.PodToleration)
@@ -881,12 +899,15 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 		effectiveFSGroup = spec.SpiloFSGroup
 	}
 
+	annotations := c.generatePodAnnotations(spec)
+
 	// generate pod template for the statefulset, based on the spilo container and sidecars
 	if podTemplate, err = generatePodTemplate(
 		c.Namespace,
 		c.labelsSet(true),
+		annotations,
 		spiloContainer,
-		spec.InitContainers,
+		initContainers,
 		sidecarContainers,
 		&tolerationSpec,
 		effectiveFSGroup,
@@ -949,6 +970,24 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*appsv1.Statef
 	return statefulSet, nil
 }
 
+func (c *Cluster) generatePodAnnotations(spec *acidv1.PostgresSpec) map[string]string {
+	annotations := make(map[string]string)
+	for k, v := range c.OpConfig.CustomPodAnnotations {
+		annotations[k] = v
+	}
+	if spec != nil || spec.PodAnnotations != nil {
+		for k, v := range spec.PodAnnotations {
+			annotations[k] = v
+		}
+	}
+
+	if len(annotations) == 0 {
+		return nil
+	}
+
+	return annotations
+}
+
 func generateScalyrSidecarSpec(clusterName, APIKey, serverURL, dockerImage string,
 	containerResources *acidv1.Resources, logger *logrus.Entry) *acidv1.Sidecar {
 	if APIKey == "" || dockerImage == "" {
@@ -1393,7 +1432,7 @@ func (c *Cluster) generatePodDisruptionBudget() *policybeta1.PodDisruptionBudget
 	pdbEnabled := c.OpConfig.EnablePodDisruptionBudget
 
 	// if PodDisruptionBudget is disabled or if there are no DB pods, set the budget to 0.
-	if (pdbEnabled != nil && !*pdbEnabled) || c.Spec.NumberOfInstances <= 0 {
+	if (pdbEnabled != nil && !(*pdbEnabled)) || c.Spec.NumberOfInstances <= 0 {
 		minAvailable = intstr.FromInt(0)
 	}
 
@@ -1469,10 +1508,13 @@ func (c *Cluster) generateLogicalBackupJob() (*batchv1beta1.CronJob, error) {
 			},
 		}}
 
+	annotations := c.generatePodAnnotations(&c.Spec)
+
 	// re-use the method that generates DB pod templates
 	if podTemplate, err = generatePodTemplate(
 		c.Namespace,
 		labels,
+		annotations,
 		logicalBackupContainer,
 		[]v1.Container{},
 		[]v1.Container{},
@@ -1486,8 +1528,8 @@ func (c *Cluster) generateLogicalBackupJob() (*batchv1beta1.CronJob, error) {
 		util.False(),
 		false,
 		"",
-		"",
-		""); err != nil {
+		c.OpConfig.AdditionalSecretMount,
+		c.OpConfig.AdditionalSecretMountPath); err != nil {
 		return nil, fmt.Errorf("could not generate pod template for logical backup pod: %v", err)
 	}
 
@@ -1535,6 +1577,10 @@ func (c *Cluster) generateLogicalBackupPodEnvVars() []v1.EnvVar {
 			Name:  "SCOPE",
 			Value: c.Name,
 		},
+		{
+			Name:  "CLUSTER_NAME_LABEL",
+			Value: c.OpConfig.ClusterNameLabel,
+		},
 		{
 			Name: "POD_NAMESPACE",
 			ValueFrom: &v1.EnvVarSource{
@@ -1549,6 +1595,14 @@ func (c *Cluster) generateLogicalBackupPodEnvVars() []v1.EnvVar {
 			Name:  "LOGICAL_BACKUP_S3_BUCKET",
 			Value: c.OpConfig.LogicalBackup.LogicalBackupS3Bucket,
 		},
+		{
+			Name:  "LOGICAL_BACKUP_S3_ENDPOINT",
+			Value: c.OpConfig.LogicalBackup.LogicalBackupS3Endpoint,
+		},
+		{
+			Name:  "LOGICAL_BACKUP_S3_SSE",
+			Value: c.OpConfig.LogicalBackup.LogicalBackupS3SSE,
+		},
 		{
 			Name:  "LOGICAL_BACKUP_S3_BUCKET_SCOPE_SUFFIX",
 			Value: getBucketScopeSuffix(string(c.Postgresql.GetUID())),
@@ -1587,8 +1641,15 @@ func (c *Cluster) generateLogicalBackupPodEnvVars() []v1.EnvVar {
 		},
 	}
 
-	c.logger.Debugf("Generated logical backup env vars %v", envVars)
+	if c.OpConfig.LogicalBackup.LogicalBackupS3AccessKeyID != "" {
+		envVars = append(envVars, v1.EnvVar{Name: "AWS_ACCESS_KEY_ID", Value: c.OpConfig.LogicalBackup.LogicalBackupS3AccessKeyID})
+	}
 
+	if c.OpConfig.LogicalBackup.LogicalBackupS3SecretAccessKey != "" {
+		envVars = append(envVars, v1.EnvVar{Name: "AWS_SECRET_ACCESS_KEY", Value: c.OpConfig.LogicalBackup.LogicalBackupS3SecretAccessKey})
+	}
+
+	c.logger.Debugf("Generated logical backup env vars %v", envVars)
 	return envVars
 }
 

pkg/cluster/k8sres_test.go

@@ -3,7 +3,7 @@ package cluster
 import (
 	"reflect"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 
 	"testing"
 

pkg/cluster/resources.go

@@ -13,7 +13,6 @@ import (
 	"k8s.io/apimachinery/pkg/types"
 
 	"github.com/zalando/postgres-operator/pkg/util"
-	"github.com/zalando/postgres-operator/pkg/util/constants"
 	"github.com/zalando/postgres-operator/pkg/util/k8sutil"
 	"github.com/zalando/postgres-operator/pkg/util/retryutil"
 )
@@ -66,6 +65,17 @@ func (c *Cluster) listResources() error {
 
 func (c *Cluster) createStatefulSet() (*appsv1.StatefulSet, error) {
 	c.setProcessName("creating statefulset")
+	// check if it's allowed that spec contains initContainers
+	if c.Spec.InitContainers != nil && len(c.Spec.InitContainers) > 0 &&
+		c.OpConfig.EnableInitContainers != nil && !(*c.OpConfig.EnableInitContainers) {
+		return nil, fmt.Errorf("initContainers specified but disabled in configuration")
+	}
+	// check if it's allowed that spec contains sidecars
+	if c.Spec.Sidecars != nil && len(c.Spec.Sidecars) > 0 &&
+		c.OpConfig.EnableSidecars != nil && !(*c.OpConfig.EnableSidecars) {
+		return nil, fmt.Errorf("sidecar containers specified but disabled in configuration")
+	}
+
 	statefulSetSpec, err := c.generateStatefulSet(&c.Spec)
 	if err != nil {
 		return nil, fmt.Errorf("could not generate statefulset: %v", err)
@@ -278,7 +288,8 @@ func (c *Cluster) replaceStatefulSet(newStatefulSet *appsv1.StatefulSet) error {
 	oldStatefulset := c.Statefulset
 
 	options := metav1.DeleteOptions{PropagationPolicy: &deletePropagationPolicy}
-	if err := c.KubeClient.StatefulSets(oldStatefulset.Namespace).Delete(oldStatefulset.Name, &options); err != nil {
+	err := c.KubeClient.StatefulSets(oldStatefulset.Namespace).Delete(oldStatefulset.Name, &options)
+	if err != nil {
 		return fmt.Errorf("could not delete statefulset %q: %v", statefulSetName, err)
 	}
 	// make sure we clear the stored statefulset status if the subsequent create fails.
@@ -286,11 +297,16 @@ func (c *Cluster) replaceStatefulSet(newStatefulSet *appsv1.StatefulSet) error {
 	// wait until the statefulset is truly deleted
 	c.logger.Debugf("waiting for the statefulset to be deleted")
 
-	err := retryutil.Retry(constants.StatefulsetDeletionInterval, constants.StatefulsetDeletionTimeout,
+	err = retryutil.Retry(c.OpConfig.ResourceCheckInterval, c.OpConfig.ResourceCheckTimeout,
 		func() (bool, error) {
-			_, err := c.KubeClient.StatefulSets(oldStatefulset.Namespace).Get(oldStatefulset.Name, metav1.GetOptions{})
-
-			return err != nil, nil
+			_, err2 := c.KubeClient.StatefulSets(oldStatefulset.Namespace).Get(oldStatefulset.Name, metav1.GetOptions{})
+			if err2 == nil {
+				return false, nil
+			}
+			if k8sutil.ResourceNotFound(err2) {
+				return true, nil
+			}
+			return false, err2
 		})
 	if err != nil {
 		return fmt.Errorf("could not delete statefulset: %v", err)
@@ -380,13 +396,27 @@ func (c *Cluster) updateService(role PostgresRole, newService *v1.Service) error
 			return fmt.Errorf("could not delete service %q: %v", serviceName, err)
 		}
 
-		c.Endpoints[role] = nil
-		svc, err := c.KubeClient.Services(serviceName.Namespace).Create(newService)
+		// wait until the service is truly deleted
+		c.logger.Debugf("waiting for service to be deleted")
+
+		err = retryutil.Retry(c.OpConfig.ResourceCheckInterval, c.OpConfig.ResourceCheckTimeout,
+			func() (bool, error) {
+				_, err2 := c.KubeClient.Services(serviceName.Namespace).Get(serviceName.Name, metav1.GetOptions{})
+				if err2 == nil {
+					return false, nil
+				}
+				if k8sutil.ResourceNotFound(err2) {
+					return true, nil
+				}
+				return false, err2
+			})
 		if err != nil {
-			return fmt.Errorf("could not create service %q: %v", serviceName, err)
+			return fmt.Errorf("could not delete service %q: %v", serviceName, err)
 		}
 
-		c.Services[role] = svc
+		// make sure we clear the stored service and endpoint status if the subsequent create fails.
+		c.Services[role] = nil
+		c.Endpoints[role] = nil
 		if role == Master {
 			// create the new endpoint using the addresses obtained from the previous one
 			endpointSpec := c.generateEndpoint(role, currentEndpoint.Subsets)
@@ -398,6 +428,13 @@ func (c *Cluster) updateService(role PostgresRole, newService *v1.Service) error
 			c.Endpoints[role] = ep
 		}
 
+		svc, err := c.KubeClient.Services(serviceName.Namespace).Create(newService)
+		if err != nil {
+			return fmt.Errorf("could not create service %q: %v", serviceName, err)
+		}
+
+		c.Services[role] = svc
+
 		return nil
 	}
 

pkg/cluster/sync.go

@@ -24,6 +24,7 @@ func (c *Cluster) Sync(newSpec *acidv1.Postgresql) error {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
+	oldStatus := c.Status
 	c.setSpec(newSpec)
 
 	defer func() {
@@ -35,6 +36,16 @@ func (c *Cluster) Sync(newSpec *acidv1.Postgresql) error {
 		}
 	}()
 
+	if err = c.validateResources(&c.Spec); err != nil {
+		err = fmt.Errorf("insufficient resource limits specified: %v", err)
+		if oldStatus.Running() {
+			c.logger.Warning(err)
+			err = nil
+		} else {
+			return err
+		}
+	}
+
 	if err = c.initUsers(); err != nil {
 		err = fmt.Errorf("could not init users: %v", err)
 		return err

pkg/cluster/types.go

@@ -5,7 +5,7 @@ import (
 
 	acidv1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
 	appsv1 "k8s.io/api/apps/v1"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	policybeta1 "k8s.io/api/policy/v1beta1"
 	"k8s.io/apimachinery/pkg/types"
 )

pkg/controller/controller.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 
 	"github.com/sirupsen/logrus"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	rbacv1beta1 "k8s.io/api/rbac/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
@@ -111,7 +111,7 @@ func (c *Controller) initOperatorConfig() {
 
 	if c.opConfig.SetMemoryRequestToLimit {
 
-		isSmaller, err := util.RequestIsSmallerThanLimit(c.opConfig.DefaultMemoryRequest, c.opConfig.DefaultMemoryLimit)
+		isSmaller, err := util.IsSmallerQuantity(c.opConfig.DefaultMemoryRequest, c.opConfig.DefaultMemoryLimit)
 		if err != nil {
 			panic(err)
 		}
@@ -120,7 +120,7 @@ func (c *Controller) initOperatorConfig() {
 			c.opConfig.DefaultMemoryRequest = c.opConfig.DefaultMemoryLimit
 		}
 
-		isSmaller, err = util.RequestIsSmallerThanLimit(c.opConfig.ScalyrMemoryRequest, c.opConfig.ScalyrMemoryLimit)
+		isSmaller, err = util.IsSmallerQuantity(c.opConfig.ScalyrMemoryRequest, c.opConfig.ScalyrMemoryLimit)
 		if err != nil {
 			panic(err)
 		}
@@ -240,7 +240,7 @@ func (c *Controller) initController() {
 	c.initClients()
 
 	if configObjectName := os.Getenv("POSTGRES_OPERATOR_CONFIGURATION_OBJECT"); configObjectName != "" {
-		if err := c.createConfigurationCRD(); err != nil {
+		if err := c.createConfigurationCRD(c.opConfig.EnableCRDValidation); err != nil {
 			c.logger.Fatalf("could not register Operator Configuration CustomResourceDefinition: %v", err)
 		}
 		if cfg, err := c.readOperatorConfigurationFromCRD(spec.GetOperatorNamespace(), configObjectName); err != nil {
@@ -256,7 +256,7 @@ func (c *Controller) initController() {
 
 	c.modifyConfigFromEnvironment()
 
-	if err := c.createPostgresCRD(); err != nil {
+	if err := c.createPostgresCRD(c.opConfig.EnableCRDValidation); err != nil {
 		c.logger.Fatalf("could not register Postgres CustomResourceDefinition: %v", err)
 	}
 

pkg/controller/operator_config.go

@@ -25,6 +25,7 @@ func (c *Controller) importConfigurationFromCRD(fromCRD *acidv1.OperatorConfigur
 	result := &config.Config{}
 
 	// general config
+	result.EnableCRDValidation = fromCRD.EnableCRDValidation
 	result.EtcdHost = fromCRD.EtcdHost
 	result.DockerImage = fromCRD.DockerImage
 	result.Workers = fromCRD.Workers
@@ -41,6 +42,7 @@ func (c *Controller) importConfigurationFromCRD(fromCRD *acidv1.OperatorConfigur
 	result.ReplicationUsername = fromCRD.PostgresUsersConfiguration.ReplicationUsername
 
 	// kubernetes config
+	result.CustomPodAnnotations = fromCRD.Kubernetes.CustomPodAnnotations
 	result.PodServiceAccountName = fromCRD.Kubernetes.PodServiceAccountName
 	result.PodServiceAccountDefinition = fromCRD.Kubernetes.PodServiceAccountDefinition
 	result.PodServiceAccountRoleBindingDefinition = fromCRD.Kubernetes.PodServiceAccountRoleBindingDefinition
@@ -52,6 +54,8 @@ func (c *Controller) importConfigurationFromCRD(fromCRD *acidv1.OperatorConfigur
 	result.WatchedNamespace = fromCRD.Kubernetes.WatchedNamespace
 	result.PDBNameFormat = fromCRD.Kubernetes.PDBNameFormat
 	result.EnablePodDisruptionBudget = fromCRD.Kubernetes.EnablePodDisruptionBudget
+	result.EnableInitContainers = fromCRD.Kubernetes.EnableInitContainers
+	result.EnableSidecars = fromCRD.Kubernetes.EnableSidecars
 	result.SecretNameTemplate = fromCRD.Kubernetes.SecretNameTemplate
 	result.OAuthTokenSecretName = fromCRD.Kubernetes.OAuthTokenSecretName
 	result.InfrastructureRolesSecretName = fromCRD.Kubernetes.InfrastructureRolesSecretName
@@ -100,6 +104,10 @@ func (c *Controller) importConfigurationFromCRD(fromCRD *acidv1.OperatorConfigur
 	result.LogicalBackupSchedule = fromCRD.LogicalBackup.Schedule
 	result.LogicalBackupDockerImage = fromCRD.LogicalBackup.DockerImage
 	result.LogicalBackupS3Bucket = fromCRD.LogicalBackup.S3Bucket
+	result.LogicalBackupS3Endpoint = fromCRD.LogicalBackup.S3Endpoint
+	result.LogicalBackupS3AccessKeyID = fromCRD.LogicalBackup.S3AccessKeyID
+	result.LogicalBackupS3SecretAccessKey = fromCRD.LogicalBackup.S3SecretAccessKey
+	result.LogicalBackupS3SSE = fromCRD.LogicalBackup.S3SSE
 
 	// debug config
 	result.DebugLogging = fromCRD.OperatorDebug.DebugLogging

pkg/controller/util.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	apiextv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
@@ -91,12 +91,12 @@ func (c *Controller) createOperatorCRD(crd *apiextv1beta1.CustomResourceDefiniti
 	})
 }
 
-func (c *Controller) createPostgresCRD() error {
-	return c.createOperatorCRD(acidv1.PostgresCRD())
+func (c *Controller) createPostgresCRD(enableValidation *bool) error {
+	return c.createOperatorCRD(acidv1.PostgresCRD(enableValidation))
 }
 
-func (c *Controller) createConfigurationCRD() error {
-	return c.createOperatorCRD(acidv1.ConfigurationCRD())
+func (c *Controller) createConfigurationCRD(enableValidation *bool) error {
+	return c.createOperatorCRD(acidv1.ConfigurationCRD(enableValidation))
 }
 
 func readDecodedRole(s string) (*spec.PgUser, error) {

pkg/controller/util_test.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/zalando/postgres-operator/pkg/spec"
 	"github.com/zalando/postgres-operator/pkg/util/k8sutil"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 

pkg/util/config/config.go

@@ -12,10 +12,11 @@ import (
 
 // CRD describes CustomResourceDefinition specific configuration parameters
 type CRD struct {
-	ReadyWaitInterval time.Duration `name:"ready_wait_interval" default:"4s"`
-	ReadyWaitTimeout  time.Duration `name:"ready_wait_timeout" default:"30s"`
-	ResyncPeriod      time.Duration `name:"resync_period" default:"30m"`
-	RepairPeriod      time.Duration `name:"repair_period" default:"5m"`
+	ReadyWaitInterval   time.Duration `name:"ready_wait_interval" default:"4s"`
+	ReadyWaitTimeout    time.Duration `name:"ready_wait_timeout" default:"30s"`
+	ResyncPeriod        time.Duration `name:"resync_period" default:"30m"`
+	RepairPeriod        time.Duration `name:"repair_period" default:"5m"`
+	EnableCRDValidation *bool         `name:"enable_crd_validation" default:"true"`
 }
 
 // Resources describes kubernetes resource specific configuration parameters
@@ -68,11 +69,15 @@ type Scalyr struct {
 	ScalyrMemoryLimit   string `name:"scalyr_memory_limit" default:"1Gi"`
 }
 
-// LogicalBackup
+// LogicalBackup defines configuration for logical backup
 type LogicalBackup struct {
-	LogicalBackupSchedule    string `name:"logical_backup_schedule" default:"30 00 * * *"`
-	LogicalBackupDockerImage string `name:"logical_backup_docker_image" default:"registry.opensource.zalan.do/acid/logical-backup"`
-	LogicalBackupS3Bucket    string `name:"logical_backup_s3_bucket" default:""`
+	LogicalBackupSchedule          string `name:"logical_backup_schedule" default:"30 00 * * *"`
+	LogicalBackupDockerImage       string `name:"logical_backup_docker_image" default:"registry.opensource.zalan.do/acid/logical-backup"`
+	LogicalBackupS3Bucket          string `name:"logical_backup_s3_bucket" default:""`
+	LogicalBackupS3Endpoint        string `name:"logical_backup_s3_endpoint" default:""`
+	LogicalBackupS3AccessKeyID     string `name:"logical_backup_s3_access_key_id" default:""`
+	LogicalBackupS3SecretAccessKey string `name:"logical_backup_s3_secret_access_key" default:""`
+	LogicalBackupS3SSE             string `name:"logical_backup_s3_sse" default:"AES256"`
 }
 
 // Config describes operator config
@@ -85,7 +90,7 @@ type Config struct {
 
 	WatchedNamespace string            `name:"watched_namespace"`    // special values: "*" means 'watch all namespaces', the empty string "" means 'watch a namespace where operator is deployed to'
 	EtcdHost         string            `name:"etcd_host" default:""` // special values: the empty string "" means Patroni will use K8s as a DCS
-	DockerImage      string            `name:"docker_image" default:"registry.opensource.zalan.do/acid/spilo-11:1.6-p1"`
+	DockerImage      string            `name:"docker_image" default:"registry.opensource.zalan.do/acid/spilo-cdp-12:1.6-p16"`
 	Sidecars         map[string]string `name:"sidecar_docker_images"`
 	// default name `operator` enables backward compatibility with the older ServiceAccountName field
 	PodServiceAccountName string `name:"pod_service_account_name" default:"operator"`
@@ -109,6 +114,7 @@ type Config struct {
 	EnableMasterLoadBalancer               bool              `name:"enable_master_load_balancer" default:"true"`
 	EnableReplicaLoadBalancer              bool              `name:"enable_replica_load_balancer" default:"false"`
 	CustomServiceAnnotations               map[string]string `name:"custom_service_annotations"`
+	CustomPodAnnotations                   map[string]string `name:"custom_pod_annotations"`
 	EnablePodAntiAffinity                  bool              `name:"enable_pod_antiaffinity" default:"false"`
 	PodAntiAffinityTopologyKey             string            `name:"pod_antiaffinity_topology_key" default:"kubernetes.io/hostname"`
 	// deprecated and kept for backward compatibility
@@ -117,6 +123,8 @@ type Config struct {
 	ReplicaDNSNameFormat      StringTemplate    `name:"replica_dns_name_format" default:"{cluster}-repl.{team}.{hostedzone}"`
 	PDBNameFormat             StringTemplate    `name:"pdb_name_format" default:"postgres-{cluster}-pdb"`
 	EnablePodDisruptionBudget *bool             `name:"enable_pod_disruption_budget" default:"true"`
+	EnableInitContainers      *bool             `name:"enable_init_containers" default:"true"`
+	EnableSidecars            *bool             `name:"enable_sidecars" default:"true"`
 	Workers                   uint32            `name:"workers" default:"4"`
 	APIPort                   int               `name:"api_port" default:"8080"`
 	RingLogLines              int               `name:"ring_log_lines" default:"100"`

pkg/util/constants/kubernetes.go

@@ -4,11 +4,9 @@ import "time"
 
 // General kubernetes-related constants
 const (
-	PostgresContainerName       = "postgres"
-	PostgresContainerIdx        = 0
-	K8sAPIPath                  = "/apis"
-	StatefulsetDeletionInterval = 1 * time.Second
-	StatefulsetDeletionTimeout  = 30 * time.Second
+	PostgresContainerName = "postgres"
+	PostgresContainerIdx  = 0
+	K8sAPIPath            = "/apis"
 
 	QueueResyncPeriodPod  = 5 * time.Minute
 	QueueResyncPeriodTPR  = 5 * time.Minute

pkg/util/teams/teams_test.go

@@ -24,7 +24,7 @@ var teamsAPItc = []struct {
 	{`{
 "dn": "cn=100100,ou=official,ou=foobar,dc=zalando,dc=net",
 "id": "acid",
-"id_name": "ACID",
+"id_name": "acid",
 "team_id": "111222",
 "type": "official",
 "name": "Acid team name",
@@ -70,7 +70,7 @@ var teamsAPItc = []struct {
 		&Team{
 			Dn:           "cn=100100,ou=official,ou=foobar,dc=zalando,dc=net",
 			ID:           "acid",
-			TeamName:     "ACID",
+			TeamName:     "acid",
 			TeamID:       "111222",
 			Type:         "official",
 			FullName:     "Acid team name",

pkg/util/util.go

@@ -141,17 +141,17 @@ func Coalesce(val, defaultVal string) string {
 	return val
 }
 
-// RequestIsSmallerThanLimit : ...
-func RequestIsSmallerThanLimit(requestStr, limitStr string) (bool, error) {
+// IsSmallerQuantity : checks if first resource is of a smaller quantity than the second
+func IsSmallerQuantity(requestStr, limitStr string) (bool, error) {
 
 	request, err := resource.ParseQuantity(requestStr)
 	if err != nil {
-		return false, fmt.Errorf("could not parse memory request %v : %v", requestStr, err)
+		return false, fmt.Errorf("could not parse request %v : %v", requestStr, err)
 	}
 
 	limit, err2 := resource.ParseQuantity(limitStr)
 	if err2 != nil {
-		return false, fmt.Errorf("could not parse memory limit %v : %v", limitStr, err2)
+		return false, fmt.Errorf("could not parse limit %v : %v", limitStr, err2)
 	}
 
 	return request.Cmp(limit) == -1, nil

pkg/util/util_test.go

@@ -69,7 +69,7 @@ var substringMatch = []struct {
 	{regexp.MustCompile(`aaaa (\d+) bbbb`), "aaaa 123 bbbb", nil},
 }
 
-var requestIsSmallerThanLimitTests = []struct {
+var requestIsSmallerQuantityTests = []struct {
 	request string
 	limit   string
 	out     bool
@@ -155,14 +155,14 @@ func TestMapContains(t *testing.T) {
 	}
 }
 
-func TestRequestIsSmallerThanLimit(t *testing.T) {
-	for _, tt := range requestIsSmallerThanLimitTests {
-		res, err := RequestIsSmallerThanLimit(tt.request, tt.limit)
+func TestIsSmallerQuantity(t *testing.T) {
+	for _, tt := range requestIsSmallerQuantityTests {
+		res, err := IsSmallerQuantity(tt.request, tt.limit)
 		if err != nil {
-			t.Errorf("RequestIsSmallerThanLimit returned unexpected error: %#v", err)
+			t.Errorf("IsSmallerQuantity returned unexpected error: %#v", err)
 		}
 		if res != tt.out {
-			t.Errorf("RequestIsSmallerThanLimit expected: %#v, got: %#v", tt.out, res)
+			t.Errorf("IsSmallerQuantity expected: %#v, got: %#v", tt.out, res)
 		}
 	}
 }

run_operator_locally.sh

@@ -98,7 +98,7 @@ function build_operator_binary(){
 
     # redirecting stderr greatly reduces non-informative output during normal builds
     echo "Build operator binary (stderr redirected to /dev/null)..."
-    make clean tools deps local test > /dev/null 2>&1
+    make clean deps local test > /dev/null 2>&1
 
 }