Database backup (#1)

* add database backup cron job

charts/dragalia-api/Chart.yaml

@@ -4,8 +4,8 @@ description: A Helm chart for the Dragalia Lost server emulator
 
 type: application
 
-version: 1.1.9
-appVersion: "1.1.0-alpha"
+version: 1.2.0
+appVersion: "latest"
 
 dependencies:
   - name: postgresql

charts/dragalia-api/templates/db-backup.yaml

@@ -0,0 +1,40 @@
+{{- if .Values.postgresqlBackup.enabled }}
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: postgres-backup
+spec:
+  schedule: {{ .Values.postgresqlBackup.cron | quote }}
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+            - name: postgres
+              image: postgres:latest
+              imagePullPolicy: IfNotPresent
+              command: 
+                - pg_dump 
+                - --username=postgres 
+                - --no-password
+                - --format=custom
+                - --file=/backups/dragalia-api-$(date +"%Y-%m-%d_%H-%M-%S").bak
+                - --host={{ include "dragalia-api.fullname" . }}-postgresql
+                - --verbose
+              volumeMounts:
+                - name: password
+                  mountPath: ~/.pgpassword
+                  readOnly: true
+                - name: data
+                  mountPath: /backups
+          restartPolicy: Never
+          volumes:
+            - name: password
+              secret:
+                secretName: {{ include "dragalia-api.fullname" . }}-postgresql
+                key: postgres-password
+                optional: false
+            - name: data
+              persistentVolumeClaim:
+                claimName: {{ include "dragalia-api.fullname" . }}-postgresql-backup
+{{- end }}

charts/dragalia-api/templates/db-claim.yaml

@@ -0,0 +1,14 @@
+{{- if .Values.postgresqlBackup.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "dragalia-api.fullname" . }}-postgresql-backup
+spec:
+  volumeName: {{ include "dragalia-api.fullname" . }}-postgresql-backup
+  storageClassName: "standard"
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.postgresqlBackup.maxSize }}
+{{- end }}

charts/dragalia-api/templates/db-volume.yaml

@@ -0,0 +1,18 @@
+{{- if .Values.postgresqlBackup.enabled }}
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: {{ include "dragalia-api.fullname" . }}-postgresql-backup
+  labels:
+    type: local
+spec:
+  storageClassName: "standard"
+  claimRef:
+    name: {{ include "dragalia-api.fullname" . }}-postgresql-backup
+  capacity:
+    storage: {{ .Values.postgresqlBackup.maxSize }}
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: {{ .Values.postgresqlBackup.path | quote }}
+{{- end }}

charts/dragalia-api/templates/deployment.yaml

@@ -39,7 +39,7 @@ spec:
               protocol: TCP
           volumeMounts:
             - mountPath: "/app/logs"
-              name: log
+              name: logs
             - mountPath: "/app/appsettings.{{ .Values.aspnet.environment }}.json"
               name: config
               subPath: "appsettings.json"
@@ -86,9 +86,9 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
       volumes:
-        - name: log
+        - name: logs
           persistentVolumeClaim:
-            claimName: {{ include "dragalia-api.fullname" . }}
+            claimName: {{ include "dragalia-api.fullname" . }}-logs
         - name: config
           configMap:
             name: {{ include "dragalia-api.fullname" . }}

charts/dragalia-api/templates/claim.yaml → charts/dragalia-api/templates/log-claim.yaml

@@ -1,10 +1,10 @@
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
-  name: {{ include "dragalia-api.fullname" . }}
+  name: {{ include "dragalia-api.fullname" . }}-logs
 spec:
-  volumeName: {{ include "dragalia-api.fullname" . }}
-  storageClassName: manual
+  volumeName: {{ include "dragalia-api.fullname" . }}-logs
+  storageClassName: "standard"
   accessModes:
     - ReadWriteOnce
   resources:

charts/dragalia-api/templates/volume.yaml → charts/dragalia-api/templates/log-volume.yaml

@@ -1,17 +1,16 @@
 apiVersion: v1
 kind: PersistentVolume
 metadata:
-  name: {{ include "dragalia-api.fullname" . }}
+  name: {{ include "dragalia-api.fullname" . }}-logs
   labels:
     type: local
 spec:
   claimRef:
-    namespace: default
-    name: {{ include "dragalia-api.fullname" . }}
-  storageClassName: manual
+    name: {{ include "dragalia-api.fullname" . }}-logs
+  storageClassName: "standard"
   capacity:
     storage: {{ .Values.aspnet.logs.maxSize }}
   accessModes:
     - ReadWriteOnce
   hostPath:
-    path: {{ .Values.aspnet.logs.folder }}
+    path: {{ .Values.aspnet.logs.folder | quote }}

charts/dragalia-api/values.yaml

@@ -7,8 +7,6 @@ replicaCount: 1
 image:
   repository: sapiensanatis/dragalia-api
   pullPolicy: Always
-  # Overrides the image tag whose default is the chart appVersion.
-  tag: "latest"
 
 imagePullSecrets: []
 nameOverride: ""
@@ -23,7 +21,7 @@ aspnet:
     # The folder to save logs to
     folder: /dragalia-api/logs
     # The size of the log volume
-    maxSize: 5Gi
+    maxSize: 2Gi
     # How many log files to retain.
     retainedFileCount: 31
     # When to roll over log files. Will also roll if >1GB.
@@ -90,6 +88,16 @@ postgresql:
     postgresPassword: midgardsormr2
   volumePermissions:
     enabled: true
+
+postgresqlBackup:
+  # Enable postgres backup
+  enabled: true
+  # Schedule for backup cron job
+  cron: "@daily"
+  # Backup volume size
+  maxSize: "10Gi"
+  # Backup volume host path
+  path: /dragalia-api/db-backup
 
 service:
   type: ClusterIP