apiVersion: v1
kind: Service
metadata:
  name: drupal
  namespace: drupal
  labels:
    app: drupal
spec:
  ports:
    - port: 80
      targetPort: drupal
  selector:
    app: drupal
    tier: frontend
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: drupal-pv-claim
  namespace: drupal
  labels:
    app: drupal
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: ""
  resources:
    requests:
      storage: 10Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: drupal
  namespace: drupal
  labels:
    app: drupal
spec:
  selector:
    matchLabels:
      app: drupal
      tier: frontend
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: drupal
        tier: frontend
    spec:
      initContainers:
        -
          name: init-sites-volume
          image: drupal:latest
          command: ['/bin/bash', '-c']
          args: ['cp -r /var/www/html/sites/ /data/; chown www-data:www-data /data/ -R']
          volumeMounts:
          - mountPath: /data
            name: drupal-persistent-storage
      containers:
      - image: drupal:latest
        name: drupal
        env:
        - name: DB_TYPE
          value: mysql
        - name: DB_NAME
          value: drupal
        - name: DB_HOST
          value: drupal-mysql
        - name: DB_PASS
          valueFrom:
            secretKeyRef:
              name: mysqldrupal-pass
              key: password
        - name: DB_USER
          valueFrom:
            secretKeyRef:
              name: mysqldrupal-pass
              key: db_user
        ports:
        - containerPort: 80
          name: drupal
        volumeMounts:
        - name: drupal-persistent-storage
          mountPath: /var/www/html/modules
          subPath: modules
        - name: drupal-persistent-storage
          mountPath: /var/www/html/profiles
          subPath: profiles
        - name: drupal-persistent-storage
          mountPath: /var/www/html/sites
          subPath: sites
        - name: drupal-persistent-storage
          mountPath: /var/www/html/themes
          subPath: themes
      volumes:
      - name: drupal-persistent-storage
        persistentVolumeClaim:
          claimName: drupal-pv-claim