Major version upgrade config (#1386)

* reflect new major version upgrade options everywhere

* emit events during major version upgrade

charts/postgres-operator/crds/operatorconfigurations.yaml

@@ -127,6 +127,18 @@ spec:
                   super_username:
                      type: string
                      default: postgres
+              major_version_upgrade:
+                type: object
+                properties:
+                  major_version_upgrade_mode:
+                    type: string
+                    default: "off"
+                  minimal_major_version:
+                    type: string
+                    default: "9.5"
+                  target_major_version:
+                    type: string
+                    default: "13"
               kubernetes:
                 type: object
                 properties:

charts/postgres-operator/templates/configmap.yaml

@@ -15,6 +15,7 @@ data:
   pod_service_account_name: {{ include "postgres-pod.serviceAccountName" . }}
 {{ toYaml .Values.configGeneral | indent 2 }}
 {{ toYaml .Values.configUsers | indent 2 }}
+{{ toYaml .Values.configMajorVersionUpgrade | indent 2 }}
 {{ toYaml .Values.configKubernetes | indent 2 }}
 {{ toYaml .Values.configTimeouts | indent 2 }}
 {{ toYaml .Values.configLoadBalancer | indent 2 }}

charts/postgres-operator/templates/operatorconfiguration.yaml

@@ -12,6 +12,8 @@ configuration:
 {{ toYaml .Values.configGeneral | indent 2 }}
   users:
 {{ toYaml .Values.configUsers | indent 4 }}
+  major_version_upgrade:
+{{ toYaml .Values.configMajorVersionUpgrade | indent 4 }}
   kubernetes:
     {{- if .Values.podPriorityClassName }}
     pod_priority_class_name: {{ .Values.podPriorityClassName }}

charts/postgres-operator/values-crd.yaml

@@ -58,6 +58,14 @@ configUsers:
   # postgres superuser name to be created by initdb
   super_username: postgres
 
+configMajorVersionUpgrade:
+  # "off": no upgrade, "manual": manifest triggers action, "full": minimal version violation triggers too
+  major_version_upgrade_mode: "off"
+  # minimal Postgres major version that will not automatically be upgraded
+  minimal_major_version: "9.5"
+  # target Postgres major version when upgrading clusters automatically
+  target_major_version: "13"
+
 configKubernetes:
   # list of additional capabilities for postgres container
   # additional_pod_capabilities:

charts/postgres-operator/values.yaml

@@ -60,6 +60,14 @@ configUsers:
   # postgres superuser name to be created by initdb
   super_username: postgres
 
+configMajorVersionUpgrade:
+  # "off": no upgrade, "manual": manifest triggers action, "full": minimal version violation triggers too
+  major_version_upgrade_mode: "off"
+  # minimal Postgres major version that will not automatically be upgraded
+  minimal_major_version: "9.5"
+  # target Postgres major version when upgrading clusters automatically
+  target_major_version: "13"
+
 configKubernetes:
   # list of additional capabilities for postgres container
   # additional_pod_capabilities: "SYS_NICE"