mysql init

mysql/Chart.yaml

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+apiVersion: v1
+name: mysql
+version: 0.0.0

mysql/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Values.name }}
+  namespace: {{ .Values.namespace }}
+spec:
+  selector:
+    matchLabels:
+      app: mysql
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: mysql
+    spec:
+      containers:
+        - image: "mysql:{{- .Values.version }}"
+          name: mysql
+          env:
+            - name: MYSQL_ROOT_PASSWORD
+              value: password
+          ports:
+            - containerPort: 3306
+              name: mysql
+          volumeMounts:
+            - name: mysql-persistent-storage
+              mountPath: /var/lib/mysql
+      volumes:
+        - name: mysql-persistent-storage
+          persistentVolumeClaim:
+            claimName: mysql-pv-claim

mysql/templates/pvc.yaml

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+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: mysql-pv-volume
+  labels:
+    type: local
+spec:
+  storageClassName: manual
+  capacity:
+    storage: {{ .Values.persistentVolumeSize }}Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/data"
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mysql-pv-claim
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.persistentVolumeSize }}Gi

mysql/templates/services.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql
+spec:
+  ports:
+    - port: 3306
+  selector:
+    app: mysql
+  clusterIP: None

mysql/values.schema.json

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+{
+  "properties": {
+    "name": {
+      "description": "Database name",
+      "type": "string"
+    },
+    "namespace": {
+      "description": "Database namespace",
+      "type": "string"
+    },
+    "version": {
+      "description": "Container image version",
+      "type": "string",
+      "enum": [
+        "8.3.0",
+        "5.7"
+      ]
+    },
+    "persistentVolumeSize": {
+      "description": "Database storage size",
+      "type": "integer",
+      "minimum": 5,
+      "maximum": 20
+    }
+  },
+  "order": [
+    "name",
+    "namespace",
+    "version",
+    "persistentVolumeSize"
+  ],
+  "required": [
+    "name",
+    "namespace",
+    "version",
+    "persistentVolumeSize"
+  ],
+  "title": "Values",
+  "type": "object"
+}

mysql/values.yaml

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+name: my-database
+namespace: my-app
+version: 8.3.0
+persistentVolumeSize: 10