feat(ql3): establish 3.0 incubation baseline

deploy/kubernetes/ql3-cluster/components/barman-cloud-backup/cluster-plugin-patch.yaml

@@ -0,0 +1,10 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: ql3-postgres
+spec:
+  plugins:
+    - name: barman-cloud.cloudnative-pg.io
+      isWALArchiver: true
+      parameters:
+        barmanObjectName: ql3-postgres-backup

deploy/kubernetes/ql3-cluster/components/barman-cloud-backup/kustomization.yaml

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1alpha1
+kind: Component
+
+resources:
+  - scheduled-backup.yaml
+
+patches:
+  - path: cluster-plugin-patch.yaml

deploy/kubernetes/ql3-cluster/components/barman-cloud-backup/object-store.s3.example.yaml

@@ -0,0 +1,30 @@
+# Example only. Copy into a private overlay and replace every placeholder.
+# This resource is intentionally excluded from the Component.
+apiVersion: barmancloud.cnpg.io/v1
+kind: ObjectStore
+metadata:
+  name: ql3-postgres-backup
+  namespace: qinglong3-system
+  labels:
+    app.kubernetes.io/name: ql3-postgres
+    app.kubernetes.io/component: database-backup
+    app.kubernetes.io/part-of: qinglong3
+spec:
+  retentionPolicy: 30d
+  configuration:
+    destinationPath: s3://REPLACE_WITH_VERSIONED_LOCKED_BUCKET/qinglong3/ql3-postgres
+    endpointURL: https://REPLACE_WITH_OBJECT_STORE_ENDPOINT
+    s3Credentials:
+      accessKeyId:
+        name: ql3-postgres-backup-object-store
+        key: ACCESS_KEY_ID
+      secretAccessKey:
+        name: ql3-postgres-backup-object-store
+        key: ACCESS_SECRET_KEY
+    wal:
+      compression: lz4
+      encryption: AES256
+      maxParallel: 2
+    data:
+      compression: lz4
+      encryption: AES256

deploy/kubernetes/ql3-cluster/components/barman-cloud-backup/private-overlay.example.yaml

@@ -0,0 +1,11 @@
+# Example only. Save as kustomization.yaml in a private overlay beside a
+# populated object-store.yaml. Do not apply this file directly.
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ../../operators/cloudnative-pg
+  - object-store.yaml
+
+components:
+  - ../../components/barman-cloud-backup

deploy/kubernetes/ql3-cluster/components/barman-cloud-backup/scheduled-backup.yaml

@@ -0,0 +1,20 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: ScheduledBackup
+metadata:
+  name: ql3-postgres-daily
+  namespace: qinglong3-system
+  labels:
+    app.kubernetes.io/name: ql3-postgres
+    app.kubernetes.io/component: database-backup
+    app.kubernetes.io/part-of: qinglong3
+spec:
+  schedule: '0 0 0 * * *'
+  backupOwnerReference: self
+  immediate: false
+  suspend: false
+  target: prefer-standby
+  cluster:
+    name: ql3-postgres
+  method: plugin
+  pluginConfiguration:
+    name: barman-cloud.cloudnative-pg.io