postgres: migrate to backups via the barman plugin

postgres/config/backup/objectstore.yaml

@@ -0,0 +1,15 @@
+apiVersion: barmancloud.cnpg.io/v1
+kind: ObjectStore
+metadata:
+  name: truenas-s3
+spec:
+  configuration:
+    destinationPath: "s3://weyma-talos-shared-pgsql-new/"
+    endpointURL: http://10.105.15.20:9000
+    s3Credentials:
+      accessKeyId:
+        key: s3AccessKey
+        name: s3-backup-creds
+      secretAccessKey:
+        key: s3SecretKey
+        name: s3-backup-creds

postgres/config/backup/s3-backup-auth.yaml

@@ -0,0 +1,25 @@
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: s3-backup-creds
+spec:
+  data:
+  - remoteRef:
+      conversionStrategy: Default
+      decodingStrategy: None
+      key: cloudnativepg
+      metadataPolicy: None
+      property: s3_backup_key
+    secretKey: s3SecretKey
+  refreshInterval: 1h
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: weyma-vault
+  target:
+    template:
+      data:
+        s3AccessKey: fmRuq5b96EKqQOGR1prs
+        s3SecretKey: "{{ .s3SecretKey }}"
+    creationPolicy: Owner
+    deletionPolicy: Retain
+    name: s3-backup-creds

postgres/config/backup/scheduled_backup.yaml

@@ -0,0 +1,12 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: ScheduledBackup
+metadata:
+  name: postgres-nightly
+spec:
+  schedule: "0 0 4 * * *"
+  backupOwnerReference: self
+  cluster:
+    name: weyma-pgsql
+  method: plugin
+  pluginConfiguration:
+    name: barman-cloud.cloudnative-pg.io