Cleanup config examples (#1151)

* post polishing for latest PRs

* update travis and go modules

* make deprecation comments in structs less confusing

* have separate pod priority class es for operator and database pods

manifests/configmap.yaml

@@ -47,6 +47,7 @@ data:
   # enable_team_superuser: "false"
   enable_teams_api: "false"
   # etcd_host: ""
+  external_traffic_policy: "Cluster"
   # gcp_credentials: ""
   # kubernetes_use_configmaps: "false"
   # infrastructure_roles_secret_name: "postgresql-infrastructure-roles"
@@ -80,12 +81,12 @@ data:
   # pod_environment_secret: "my-custom-secret"
   pod_label_wait_timeout: 10m
   pod_management_policy: "ordered_ready"
+  # pod_priority_class_name: "postgres-pod-priority"
   pod_role_label: spilo-role
   # pod_service_account_definition: ""
   pod_service_account_name: "postgres-pod"
   # pod_service_account_role_binding_definition: ""
   pod_terminate_grace_period: 5m
-  # pod_priority_class_name: "postgres-pod-priority"
   # postgres_superuser_teams: "postgres_superusers"
   # protected_role_names: "admin"
   ready_wait_interval: 3s

manifests/operatorconfiguration.crd.yaml

@@ -265,6 +265,11 @@ spec:
                   type: boolean
                 enable_replica_load_balancer:
                   type: boolean
+                external_traffic_policy:
+                  type: string
+                  enum:
+                    - "Cluster"
+                    - "Local"
                 master_dns_name_format:
                   type: string
                 replica_dns_name_format:

manifests/postgresql-operator-default-configuration.yaml

@@ -61,7 +61,7 @@ configuration:
     # pod_environment_configmap: "default/my-custom-config"
     # pod_environment_secret: "my-custom-secret"
     pod_management_policy: "ordered_ready"
-    # pod_priority_class_name: ""
+    # pod_priority_class_name: "postgres-pod-priority"
     pod_role_label: spilo-role
     # pod_service_account_definition: ""
     pod_service_account_name: postgres-pod
@@ -90,12 +90,13 @@ configuration:
     resource_check_interval: 3s
     resource_check_timeout: 10m
   load_balancer:
-    # db_hosted_zone: ""
-    enable_master_load_balancer: false
-    enable_replica_load_balancer: false
     # custom_service_annotations:
     #   keyx: valuex
     #   keyy: valuey
+    # db_hosted_zone: ""
+    enable_master_load_balancer: false
+    enable_replica_load_balancer: false
+    external_traffic_policy: "Cluster"
     master_dns_name_format: "{cluster}.{team}.{hostedzone}"
     replica_dns_name_format: "{cluster}-repl.{team}.{hostedzone}"
   aws_or_gcp: