OpenShift LEMP template construction

ubuntu-lemp.yaml

apiVersion: v1
kind: Template
metadata:
  name: ubuntu-lemp
objects:
- apiVersion: v1
  kind: BuildConfig
  metadata:
    annotations:
      openshift.io/generated-by: OpenShiftNewApp
    name: ${NAME}
  spec:
    output:
      to:
        kind: ImageStreamTag
        name: ${NAME}:latest
    source:
      git:
        ref: ${SOURCE_REPOSITORY_REF}
        uri: ${SOURCE_REPOSITORY_URL}
      type: Git
    strategy:
      sourceStrategy:
        from:
          kind: ImageStreamTag
          name: openshift-drupal:v6
          namespace: ${NAMESPACE}
      type: Source
    triggers:
    - type: ImageChange
    - type: ConfigChange
    - github:
        secret: ${GITHUB_WEBHOOK_SECRET}
      type: GitHub
- apiVersion: v1
  kind: ImageStream
  metadata:
    annotations:
      openshift.io/generated-by: OpenShiftNewApp
    name: ${NAME}
- apiVersion: v1
  kind: DeploymentConfig
  metadata:
    annotations:
      openshift.io/generated-by: OpenShiftNewApp
    name: ${NAME}
  spec:
    replicas: 1
    selector:
      name: ${NAME}
    strategy:
      type: Recreate
    template:
      metadata:
        annotations:
          openshift.io/generated-by: OpenShiftNewApp
        labels:
          name: ${NAME}
      spec:
        containers:
        - env:
          - name: MYSQL_HOST
            value: ${MYSQL_SERVICE_NAME}
          - name: MYSQL_PORT
            value: "3306"
          - name: MYSQL_DATABASE
            valueFrom:
              secretKeyRef:
                key: database-name
                name: mysql
          - name: MYSQL_USER
            valueFrom:
              secretKeyRef:
                key: database-user
                name: mysql
          - name: MYSQL_PASSWORD
            valueFrom:
              secretKeyRef:
                key: database-password
                name: mysql
          image: ' '
          imagePullPolicy: Always
          name: env-clear
          ports:
          - containerPort: 8080
            protocol: TCP
          resources:
            limits:
              memory: ${MEMORY_LIMIT}
    triggers:
    - type: ConfigChange
    - imageChangeParams:
        automatic: true
        containerNames:
        - env-clear
        from:
          kind: ImageStreamTag
          name: ${NAME}:latest
      type: ImageChange
- apiVersion: v1
  kind: DeploymentConfig
  metadata:
    annotations:
      template.alpha.openshift.io/wait-for-ready: "true"
    name: ${MYSQL_SERVICE_NAME}
  spec:
    replicas: 1
    selector:
      name: ${MYSQL_SERVICE_NAME}
    strategy:
      type: Recreate
    template:
      metadata:
        labels:
          name: ${MYSQL_SERVICE_NAME}
      spec:
        containers:
        - env:
          - name: MYSQL_USER
            valueFrom:
              secretKeyRef:
                key: database-user
                name: mysql
          - name: MYSQL_PASSWORD
            valueFrom:
              secretKeyRef:
                key: database-password
                name: mysql
          - name: MYSQL_ROOT_PASSWORD
            valueFrom:
              secretKeyRef:
                key: database-root-password
                name: mysql
          - name: MYSQL_DATABASE
            valueFrom:
              secretKeyRef:
                key: database-name
                name: mysql
          image: ' '
          livenessProbe:
            failureThreshold: 3
            initialDelaySeconds: 30
            periodSeconds: 10
            successThreshold: 1
            tcpSocket:
              port: 3306
            timeoutSeconds: 1
          name: mysql
          ports:
          - containerPort: 3306
            protocol: TCP
          readinessProbe:
            exec:
              command:
              - /bin/sh
              - -i
              - -c
              - MYSQL_PWD="$MYSQL_PASSWORD" mysql -h 127.0.0.1 -u $MYSQL_USER -D $MYSQL_DATABASE
                -e 'SELECT 1'
            failureThreshold: 3
            initialDelaySeconds: 5
            periodSeconds: 10
            successThreshold: 1
            timeoutSeconds: 1
          resources:
            limits:
              memory: ${MEMORY_MYSQL_LIMIT}
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
          volumeMounts:
          - mountPath: /var/lib/mysql/data
            name: ${MYSQL_SERVICE_NAME}-data
        volumes:
        - name: ${MYSQL_SERVICE_NAME}-data
          persistentVolumeClaim:
            claimName: ${MYSQL_SERVICE_NAME}
    triggers:
    - imageChangeParams:
        automatic: true
        containerNames:
        - mysql
        from:
          kind: ImageStreamTag
          name: mysql:5.7
          namespace: ${NAMESPACE}
      type: ImageChange
    - type: ConfigChange
- apiVersion: v1
  kind: Route
  metadata:
    annotations:
      openshift.io/host.generated: "true"
    name: ${NAME}
  spec:
    host: ${APPLICATION_DOMAIN}
    to:
      kind: Service
      name: ${NAME}
- apiVersion: v1
  kind: Service
  metadata:
    annotations:
      service.alpha.openshift.io/dependencies: '[{"name": "${MYSQL_SERVICE_NAME}",
        "kind": "Service"}]'
    name: ${NAME}
  spec:
    ports:
    - name: web
      port: 8080
      protocol: TCP
      targetPort: 8080
    selector:
      name: ${NAME}
- apiVersion: v1
  kind: Service
  metadata:
    annotations:
    name: ${MYSQL_SERVICE_NAME}
  spec:
    ports:
    - name: mysql
      port: 3306
      protocol: TCP
      targetPort: 3306
    selector:
      name: ${MYSQL_SERVICE_NAME}
- apiVersion: v1
  kind: PersistentVolumeClaim
  metadata:
    name: ${MYSQL_SERVICE_NAME}
  spec:
    accessModes:
    - ReadWriteOnce
    resources:
      requests:
        storage: ${VOLUME_CAPACITY}
parameters:
- description: The name assigned to all of the frontend objects defined in this template.
  displayName: Name
  name: NAME
  required: true
  value: ubuntu-lemp-persistent
- description: The OpenShift Namespace where the ImageStream resides.
  displayName: Namespace
  name: NAMESPACE
  required: true
  value: openshift
- description: Maximum amount of memory the Ubuntu LEMP container can use.
  displayName: Memory Limit
  name: MEMORY_LIMIT
  required: true
  value: 512Mi
- description: Maximum amount of memory the MySQL container can use.
  displayName: Memory Limit (MySQL)
  name: MEMORY_MYSQL_LIMIT
  required: true
  value: 512Mi
- description: Volume space available for data, e.g. 512Mi, 2Gi
  displayName: Volume Capacity
  name: VOLUME_CAPACITY
  required: true
  value: 1Gi
- description: The URL of the repository with your application source code.
  displayName: Git Repository URL
  name: SOURCE_REPOSITORY_URL
  required: true
  value: https://github.com/shapeblock/php-mysql.git
- description: Set this to a branch name, tag or other ref of your repository if you
    are not using the default branch.
  displayName: Git Reference
  name: SOURCE_REPOSITORY_REF
- description: The exposed hostname that will route to the LEMP service, if left
    blank a value will be defaulted.
  displayName: Application Hostname
  name: APPLICATION_DOMAIN
- description: Github trigger secret.  A difficult to guess string encoded as part
    of the webhook URL.  Not encrypted.
  displayName: GitHub Webhook Secret
  from: '[a-zA-Z0-9]{40}'
  generate: expression
  name: GITHUB_WEBHOOK_SECRET
- displayName: Database Service Name
  name: MYSQL_SERVICE_NAME
  required: true
  value: mysql
- displayName: Database Name
  name: MYSQL_DATABASE
  required: true
  value: default
- displayName: Database User
  name: MYSQL_USER
  required: true
  value: ubuntulemp
- displayName: Database Password
  from: '[a-zA-Z0-9]{16}'
  generate: expression
  name: MYSQL_PASSWORD