[postgresql] add scheduledbackup

jouve · May 18, 2023 · 2906795 · 2906795
1 parent ca905ce
commit 2906795
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Showing 5 changed files with 40 additions and 1 deletion.
diff --git a/charts/postgresql/Chart.yaml b/charts/postgresql/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: postgresql
 description: Deploy postgresql using cloudnative-pg operator
 type: application
-version: 0.1.1
+version: 0.1.2
 appVersion: "15.3"
 sources:
 - https://github.com/jouve/charts

diff --git a/charts/postgresql/README.md b/charts/postgresql/README.md
@@ -16,12 +16,16 @@ helm repo add jouve https://jouve.github.io/charts/
 | `global.imagePullSecrets`                   | Global Docker registry secret names as an array                             | `[]`               |
 | `global.storageClass`                       | Global StorageClass for Persistent Volume(s)                                | `""`               |
 | `replicaCount`                              | Number of PostgreSQL replicas                                               | `1`                |
+| `affinity.podAntiAffinityType`              | Allowed values are: "preferred" or "required".                              | `required`         |
 | `backup.enabled`                            | Enable backup                                                               | `false`            |
 | `backup.endpointURL`                        | Endpoint to be used to upload data to the cloud                             | `""`               |
 | `backup.bucketName`                         | Name of the bucket                                                          | `""`               |
 | `backup.existingSecret`                     | Name of the secret containing the credentials                               | `""`               |
 | `backup.objectBucketClaim.enabled`          | Create the bucket from an ObjectBucketClaim                                 | `false`            |
 | `backup.objectBucketClaim.storageClassName` | StorageClass for the ObjectBucketClaim                                      | `""`               |
+| `backup.scheduled.enabled`                  | Enabled creation of a scheduled backup                                      | `false`            |
+| `backup.scheduled.schedule`                 | Schedule of the scheduled backup                                            | `0 0 0 * * *`      |
+| `backup.retentionPolicy`                    | Retention for backups                                                       | `7d`               |
 | `persistence.storageClass`                  | PVC Storage Class for PostgreSQL Primary data volume                        | `""`               |
 | `persistence.size`                          | PVC Storage Request for PostgreSQL volume                                   | `8Gi`              |
 | `networkPolicy.enabled`                     | Enable network policies                                                     | `false`            |

diff --git a/charts/postgresql/templates/backup/scheduledbackup.yaml b/charts/postgresql/templates/backup/scheduledbackup.yaml
@@ -0,0 +1,19 @@
+{{- if .Values.backup.scheduled.enabled }}
+apiVersion: postgresql.cnpg.io/v1
+kind: ScheduledBackup
+metadata:
+  name: {{ template "common.names.fullname" . }}-backup
+  namespace: {{ include "common.names.namespace" . | quote }}
+  labels: {{- include "common.labels.standard" . | nindent 4 }}
+    {{- if .Values.commonLabels }}
+    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
+    {{- end }}
+  {{- if .Values.commonAnnotations }}
+  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
+  {{- end }}
+spec:
+  schedule: {{ .Values.backup.scheduled.schedule }}
+  backupOwnerReference: self
+  cluster:
+    name: {{ template "common.names.fullname" . }}
+{{- end }}
diff --git a/charts/postgresql/templates/postgresql.yaml b/charts/postgresql/templates/postgresql.yaml
@@ -25,6 +25,8 @@ spec:
   monitoring:
     enablePodMonitor: true
   {{- end }}
+  affinity:
+    podAntiAffinityType: {{ .Values.affinity.podAntiAffinityType }}
   {{- if .Values.backup.enabled }}
   backup:
     barmanObjectStore:
@@ -37,4 +39,5 @@ spec:
         secretAccessKey:
           name: {{ if .Values.backup.objectBucketClaim.enabled }}{{ template "common.names.fullname" . }}-backup{{ else }}{{ .Values.backup.existingSecret }}{{ end }}
           key: AWS_SECRET_ACCESS_KEY
+    retentionPolicy: {{ .Values.backup.retentionPolicy | quote }}
   {{- end }}
diff --git a/charts/postgresql/values.yaml b/charts/postgresql/values.yaml
@@ -23,13 +23,22 @@ global:
 ##
 replicaCount: 1
 
+affinity:
+  ## @param affinity.podAntiAffinityType Allowed values are: "preferred" or "required".
+  ## ref: https://cloudnative-pg.io/documentation/1.16/api_reference/#AffinityConfiguration
+  ##
+  podAntiAffinityType: required
+
 # https://cloudnative-pg.io/documentation/current/backup_recovery/
 ## @param backup.enabled Enable backup
 ## @param backup.endpointURL Endpoint to be used to upload data to the cloud
 ## @param backup.bucketName Name of the bucket
 ## @param backup.existingSecret Name of the secret containing the credentials
 ## @param backup.objectBucketClaim.enabled Create the bucket from an ObjectBucketClaim
 ## @param backup.objectBucketClaim.storageClassName StorageClass for the ObjectBucketClaim
+## @param backup.scheduled.enabled Enabled creation of a scheduled backup
+## @param backup.scheduled.schedule Schedule of the scheduled backup
+## @param backup.retentionPolicy Retention for backups
 backup:
   enabled: false
   endpointURL: ""
@@ -40,6 +49,10 @@ backup:
   objectBucketClaim:
     enabled: false
     storageClassName: ""
+  scheduled:
+    enabled: false
+    schedule: 0 0 0 * * *
+  retentionPolicy: 7d
 
 ## PostgreSQL persistence configuration
 ##