cloudbuild.yaml

# Copyright 2021 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

steps:
  # Create the hydrated directories  
  - id: create-dirs
    name: bash
    entrypoint: bash
    args:
      - '-c'
      - |
        mkdir -p app-hydrated/dev
        mkdir -p app-hydrated/stage
        mkdir -p app-hydrated/prod


  #  Clone the repos
  - id: clone-app
    name: gcr.io/cloud-builders/git
    entrypoint: bash
    args:
      - '-c'
      - |
        IFS='/' read -a array <<< "${_REF}"
        git clone -b ${array[2]} ${_APP_REPO} app-repo
 
  - id: clone-kustomize
    name: gcr.io/cloud-builders/git
    entrypoint: bash
    # changed from GIT_URL to APP_REPO
    args:
      - '-c'
      - |
        git clone ${_KUSTOMIZE_REPO} kustomize-base

  - id: clone-config
    name: gcr.io/cloud-builders/git
    entrypoint: bash

    args:
      - '-c'
      - |
        git clone ${_CONFIG_REPO} config-repo
 
  #  Build and push the image
  - id: skaffold-build
    name: gcr.io/k8s-skaffold/skaffold
    entrypoint: bash
    args:
      - '-c'
      - |
        cd app-repo
        skaffold build --default-repo ${_DEFAULT_IMAGE_REPO}

  #  Render the manifests
  - id: skaffold-render
    name: gcr.io/k8s-skaffold/skaffold
    entrypoint: bash
    args:
      - '-c'
      - |
        cd app-repo
        skaffold render \
          --default-repo ${_DEFAULT_IMAGE_REPO} \
          --output ../app-hydrated/stage/resources.yaml
        
  #  Deliver the app
  - id: deliver
    name: gcr.io/cloud-builders/git
    secretEnv: ['GH_TOKEN']
    entrypoint: bash
    args:
      - '-c'
      - |
        
        # Setup auth for commit
        echo 'exec echo "$$GH_TOKEN"' > ~/git-ask-pass.sh
        chmod +x ~/git-ask-pass.sh
        export GIT_ASKPASS=~/git-ask-pass.sh
        git config --global user.email "CloudBuild@yourcompany.com"
        git config --global user.name "Cloud Build"

        # Copy the hydrated file to the config repo & push
        cd config-repo
        git pull

        # Main, Tag or Branch
        IFS='/' read -a array <<< "${_REF}"
      
        # Tag
        if [[ ${array[1]} = 'tags' ]] ; then
          cp ../app-hydrated/stage/resources.yaml \
            ./prod/namespaces/${_APP_NAME}

        # Main
        elif [[ ${array[2]} = 'main'  ]] ; then
          cp ../app-hydrated/stage/resources.yaml \
            ./stage/namespaces/${_APP_NAME}
        
        # Feature Branch 
        else
          echo "NOT_IMPLEMENTED: Not deploying feature branches"
        fi

        git add . && git commit -m "Deploying new image"
        git push origin main

  # Cleanup the workspace  
  - id: cleanup
    name: bash
    entrypoint: bash
    args:
      - '-c'
      - |
        rm -rf app-hydrated
        rm -rf app-hydrated
        rm -rf kustomize-base


availableSecrets:
  secretManager:
  - versionName: projects/$PROJECT_ID/secrets/gh_token/versions/latest
    env: GH_TOKEN