action.yaml

name: GKE Deploy via Artifact Registry
description: "Deploys containers to GKE via Google Artifact Registry"

inputs:
  GOOGLE_CLOUD_PROJECT_ID:
    description: "Google Cloud Project ID you want to use."
    required: true
  GOOGLE_CLOUD_SERVICE_ACCOUNT_KEY:
    description: "Google Cloud Service Account KEY"
    required: true
  DOCKER_BUILD_ARGS:
    description: If you want to inject build params to docker build step.
    required: true
  GKE_ZONE:
    description: "GKE Zone"
    required: true
  GKE_CLUSTER:
    description: "Name of the cluster"
    required: true
  ARTIFACT_REGISTRY_REGION:
    description: "Google Artifact Registry region you want to use"
    required: true
  ARTIFACT_REGISTRY_REPO:
    description: "Google artifact Registry repository you want to store your build image in"
    required: true
  ARTIFACT_REGISTRY_IMAGE:
    description: "Google Artifact Registry image"
    required: true
  IMAGE_TAG:
    description: "Tag for your image"
    required: true
  GKE_CONFIG_DIR:
    description: "K8S config file directory."
    required: true
  GKE_IMAGE_TEMPLATE:
    description: "GKE Deployment Image Template"
    required: true
  CLOUD_RUN_SERVICE_NAME:
    description: "Google Cloud Run Service name you want to deploy"
    required: true
  CLOUD_RUN_REGION:
    description: "The region you want your service to run"
    required: true
  CLOUD_RUN_SECRETS:
    description: "Cloud Run secrets to mount or use env vars "
    required: false
    default: ""
  CLOUD_RUN_ENV_VARS:
    description: "Cloud Run env vars "
    required: false
    default: ""

outputs:
  PREVIEW_URL:
    description: "The url for the cloud run environment"
    value: ${{ steps.deploy.outputs.url }}

runs:
  using: "composite"
  steps:
    - uses: actions/checkout@v3

    - name: Setup Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Auth Google Cloud
      uses: google-github-actions/auth@v1
      with:
        credentials_json: "${{ inputs.GOOGLE_CLOUD_SERVICE_ACCOUNT_KEY }}"

    - name: Set up Cloud SDK
      uses: google-github-actions/setup-gcloud@v1
      with:
        project_id: ${{ inputs.GOOGLE_CLOUD_PROJECT_ID }}

    - name: Setup Docker Auth
      shell: bash
      run: |-
        gcloud --quiet auth configure-docker ${{ inputs.ARTIFACT_REGISTRY_REGION }}-docker.pkg.dev

    - name: Setup AR image tag url
      shell: bash
      run: echo "ar_image_tag=${{ inputs.ARTIFACT_REGISTRY_REGION }}-docker.pkg.dev/${{ inputs.GOOGLE_CLOUD_PROJECT_ID }}/${{ inputs.ARTIFACT_REGISTRY_REPO }}/${{ inputs.ARTIFACT_REGISTRY_IMAGE }}:${{ inputs.IMAGE_TAG }}" >> $GITHUB_ENV

    - name: Building the Docker Image
      shell: bash
      run: |-
        docker build --tag "${{ env.ar_image_tag }}" --build-arg version="${{ inputs.IMAGE_TAG }}" ${{ inputs.DOCKER_BUILD_ARGS }} .

    - name: Push the Image to Google Artifact Registry
      shell: bash
      run: |-
        docker push ${{ env.ar_image_tag }}

    - name: Get url friendly version tag
      shell: bash
      run: |
        TAG=${{ inputs.IMAGE_TAG }}
        echo "BRANCH_URL=${TAG//./-}" >> $GITHUB_ENV

    - id: "deploy"
      uses: "google-github-actions/deploy-cloudrun@v1"
      with:
        service: ${{ inputs.CLOUD_RUN_SERVICE_NAME }}
        image: ${{ env.ar_image_tag }}
        tag: ${{ env.BRANCH_URL }}
        region: ${{ inputs.CLOUD_RUN_REGION }}
        env_vars: ${{ inputs.CLOUD_RUN_ENV_VARS }}
        secrets: ${{ inputs.CLOUD_RUN_SECRETS }}