add backup mechanism

clusters/cl01tl/platform/gitea/Chart.yaml

@@ -25,6 +25,10 @@ dependencies:
     alias: cloudflared
     repository: http://alexlebens.github.io/helm-charts
     version: 1.4.0
+  - name: app-template
+    alias: backup
+    repository: https://bjw-s.github.io/helm-charts/
+    version: 3.2.1
   - name: postgres-cluster
     alias: postgres-16-cluster
     version: 3.6.0

clusters/cl01tl/platform/gitea/templates/external-secret.yaml

@@ -86,6 +86,52 @@ spec:
         metadataPolicy: None
         property: token
 
+---
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: gitea-backup-s3
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gitea-backup-s3
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/version: {{ .Chart.AppVersion }}
+    app.kubernetes.io/component: backup
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  secretStoreRef:
+    kind: ClusterSecretStore
+    name: vault
+  data:
+    - secretKey: AWS_ACCESS_KEY_ID
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /cl01tl/gitea/backup/s3
+        metadataPolicy: None
+        property: AWS_ACCESS_KEY_ID
+    - secretKey: AWS_DEFAULT_REGION
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /cl01tl/gitea/backup/s3
+        metadataPolicy: None
+        property: AWS_DEFAULT_REGION
+    - secretKey: AWS_ENDPOINT_URL
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /cl01tl/gitea/backup/s3
+        metadataPolicy: None
+        property: AWS_ENDPOINT_URL
+    - secretKey: AWS_SECRET_ACCESS_KEY
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /cl01tl/gitea/backup/s3
+        metadataPolicy: None
+        property: AWS_SECRET_ACCESS_KEY
+
 ---
 apiVersion: external-secrets.io/v1beta1
 kind: ExternalSecret

clusters/cl01tl/platform/gitea/templates/persistent-volume-claim.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: gitea-nfs-storage-backup
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gitea-nfs-storage-backup
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/version: {{ .Chart.AppVersion }}
+    app.kubernetes.io/component: storage
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+spec:
+  volumeMode: Filesystem
+  storageClassName: nfs-client
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi

clusters/cl01tl/platform/gitea/templates/role-binding.yaml

@@ -0,0 +1,19 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: gitea-backup
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gitea-backup
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/version: {{ .Chart.AppVersion }}
+    app.kubernetes.io/component: backup
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: gitea-backup
+subjects:
+  - kind: ServiceAccount
+    name: gitea-backup
+    namespace: {{ .Release.Namespace }}

clusters/cl01tl/platform/gitea/templates/role.yaml

@@ -0,0 +1,15 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: gitea-backup
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: gitea-backup
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/version: {{ .Chart.AppVersion }}
+    app.kubernetes.io/component: backup
+    app.kubernetes.io/part-of: {{ .Release.Name }}
+rules:
+  - apiGroups: [""]
+    resources: ["pods/exec"]
+    verbs: ["create"]

clusters/cl01tl/platform/gitea/values.yaml

@@ -86,6 +86,14 @@ gitea:
             key: password
   persistence:
     storageClass: ceph-block
+  extraVolumes:
+    - name: gitea-nfs-storage-backup
+      persistentVolumeClaim:
+        claimName: gitea-nfs-storage-backup
+  extraVolumeMounts:
+    - mountPath: /opt/backup
+      name: gitea-nfs-storage-backup
+      readOnly: false
   postgresql:
     enabled: false
   postgresql-ha:
@@ -94,6 +102,73 @@ gitea:
     enabled: true
 cloudflared:
   existingSecretName: gitea-cloudflared-secret
+backup:
+  global:
+    fullnameOverride: gitea-backup
+  controllers:
+    backup:
+      type: cronjob
+      cronjob:
+        suspend: false
+        concurrencyPolicy: Forbid
+        timeZone: US/Central
+        schedule: "@every 24h"
+        startingDeadlineSeconds: 90
+        successfulJobsHistory: 3
+        failedJobsHistory: 3
+        backoffLimit: 3
+        parallelism: 1
+      containers:
+        backup:
+          image:
+            repository: bitnami/kubectl
+            tag: 1.30.2
+            pullPolicy: IfNotPresent
+          command:
+            - /bin/ash
+          args:
+            - -ec
+            - |
+              kubectl exec -it deploy/gitea -n gitea -- su - git -c /app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /opt/backup/gitea-backup.zip
+              cp /opt/backup/gitea-backup.zip /opt/backup/gitea-backup-$(date +"%Y%m%d-%H-%M").zip;
+              cp /opt/backup/gitea-backup.zip /opt/backup/gitea-backup-s3.zip;
+          resources:
+            requests:
+              cpu: 100m
+              memory: 128Mi
+        s3:
+          image:
+            repository: amazon/aws-cli
+            tag: 2.17.5
+            pullPolicy: IfNotPresent
+          command:
+            - /bin/sh
+          args:
+            - -ec
+            - |
+              until [ -f /opt/backup/gitea-backup-s3.zip ]; do sleep 5; done;
+              aws s3 cp /opt/backup/gitea-backup-s3.zip s3://cl01tl-gitea-backups/gitea-backup-$(date +"%Y%m%d-%H-%M").zip;
+              rm /opt/backup/gitea-backup-s3.zip;
+          envFrom:
+            - secretRef:
+                name: gitea-backup-s3
+          resources:
+            requests:
+              cpu: 100m
+              memory: 128Mi
+  serviceAccount:
+    create: true
+  persistence:
+    config:
+      existingClaim: gitea-nfs-storage-backup
+      advancedMounts:
+        backup:
+          backup:
+            - path: /opt/backup
+              readOnly: false
+          s3:
+            - path: /opt/backup
+              readOnly: false
 postgres-16-cluster:
   mode: standalone
   cluster: