Using templates

kind: Template
apiVersion: template.openshift.io/v1
metadata:
  name: cakephp-mysql-example
  annotations:
    openshift.io/display-name: "CakePHP MySQL Example (Ephemeral)"
    description: >-
      An example CakePHP application with a MySQL database. For more information
      about using this template, including OpenShift considerations, see
      https://github.com/sclorg/cakephp-ex/blob/master/README.md.


      WARNING: Any data stored will be lost upon pod destruction. Only use this
      template for testing."
    openshift.io/long-description: >-
      This template defines resources needed to develop a CakePHP application,
      including a build configuration, application DeploymentConfig, and
      database DeploymentConfig.  The database is stored in
      non-persistent storage, so this configuration should be used for
      experimental purposes only.
    tags: "quickstart,php,cakephp"
    iconClass: icon-php
    openshift.io/provider-display-name: "Red Hat, Inc."
    openshift.io/documentation-url: "https://github.com/sclorg/cakephp-ex"
    openshift.io/support-url: "https://access.redhat.com"
message: "Your admin credentials are ${ADMIN_USERNAME}:${ADMIN_PASSWORD}"

kind: "Template"
apiVersion: "v1"
...
labels:
  template: "cakephp-mysql-example"
  app: "${NAME}"

parameters:
  - name: USERNAME
    description: "The user name for Joe"
    value: joe

parameters:
  - name: PASSWORD
    description: "The random user password"
    generate: expression
    from: "[a-zA-Z0-9]{12}"

kind: Template
apiVersion: template.openshift.io/v1
metadata:
  name: my-template
objects:
  - kind: BuildConfig
    apiVersion: build.openshift.io/v1
    metadata:
      name: cakephp-mysql-example
      annotations:
        description: Defines how to build the application
    spec:
      source:
        type: Git
        git:
          uri: "${SOURCE_REPOSITORY_URL}"
          ref: "${SOURCE_REPOSITORY_REF}"
        contextDir: "${CONTEXT_DIR}"
  - kind: DeploymentConfig
    apiVersion: apps.openshift.io/v1
    metadata:
      name: frontend
    spec:
      replicas: "${{REPLICA_COUNT}}"
parameters:
  - name: SOURCE_REPOSITORY_URL
    displayName: Source Repository URL
    description: The URL of the repository with your application source code
    value: https://github.com/sclorg/cakephp-ex.git
    required: true
  - name: GITHUB_WEBHOOK_SECRET
    description: A secret string used to configure the GitHub webhook
    generate: expression
    from: "[a-zA-Z0-9]{40}"
  - name: REPLICA_COUNT
    description: Number of replicas to run
    value: "2"
    required: true
message: "... The GitHub webhook secret is ${GITHUB_WEBHOOK_SECRET} ..."

kind: "Template"
apiVersion: "v1"
metadata:
  name: my-template
objects:
  - kind: "Service"
    apiVersion: "v1"
    metadata:
      name: "cakephp-mysql-example"
      annotations:
        description: "Exposes and load balances the application pods"
    spec:
      ports:
        - name: "web"
          port: 8080
          targetPort: 8080
      selector:
        name: "cakephp-mysql-example"

kind: Template
apiVersion: template.openshift.io/v1
metadata:
  name: my-template
objects:
- kind: ConfigMap
  apiVersion: v1
  metadata:
    name: my-template-config
    annotations:
      template.openshift.io/expose-username: "{.data['my\\.username']}"
  data:
    my.username: foo
- kind: Secret
  apiVersion: v1
  metadata:
    name: my-template-config-secret
    annotations:
      template.openshift.io/base64-expose-password: "{.data['password']}"
  stringData:
    password: <password>
- kind: Service
  apiVersion: v1
  metadata:
    name: my-template-service
    annotations:
      template.openshift.io/expose-service_ip_port: "{.spec.clusterIP}:{.spec.ports[?(.name==\"web\")].port}"
  spec:
    ports:
    - name: "web"
      port: 8080
- kind: Route
  apiVersion: route.openshift.io/v1
  metadata:
    name: my-template-route
    annotations:
      template.openshift.io/expose-uri: "http://{.spec.host}{.spec.path}"
  spec:
    path: mypath

{
  "credentials": {
    "username": "foo",
    "password": "YmFy",
    "service_ip_port": "172.30.12.34:8080",
    "uri": "http://route-test.router.default.svc.cluster.local/mypath"
  }
}