pr-open-build-deploy.yaml

name: PR Open

on:
  # used on push for testing / development
  # ---------------------------------------------------------
  # push:
  #   branches: ['master', 'main', 'feat/5-deploy-frontend']

  pull_request:
    # debug: remove the dev,putting build action on non existent branches for debug
    branches: ['main']
    types: ['opened', 'reopened', 'edited', 'synchronize']
    paths-ignore:
      - .vscode/**
      - .gitignore
      - LICENSE
      - readme.md
      - code_of_conduct.md
      - cicd/**
      - scripts/**
      - .flake8
      - COMPLIANCE.yaml
  workflow_dispatch:


jobs:
  # calculate the image tag / used to tag image and then for the
  # deployment
  CalculateImageTags:
    defaults:
      run:
        shell: bash
    name: calculateImageTag
    runs-on: ubuntu-22.04
    outputs:
      imagetag: ${{ steps.CalculateImageTagstep.outputs.IMAGE_TAG}}
    steps:
    - name: Calculate Image Tag
      id: CalculateImageTagstep
      shell: bash
      run: |
        DATESTAMP=$(date +%Y%m%d-%H%M)
        echo datestamp is $DATESTAMP
        echo event number: ${{ github.event.number }}
        # TEMP_IMAGE_TAG=20230425-2337
        # echo hard coding image tag as $TEMP_IMAGE_TAG
        # echo "IMAGE_TAG=${TEMP_IMAGE_TAG}" >> "$GITHUB_OUTPUT"
        echo "IMAGE_TAG=${DATESTAMP}" >> "$GITHUB_OUTPUT"

  TestGetImageTag:
  # test output of image tag, and verify its been calculated correctly
    defaults:
      run:
        shell: bash
    needs: CalculateImageTags
    runs-on: ubuntu-22.04
    steps:
    - name: GET Image Tag
      id: getImageTag
      shell: bash
      env:
        IMAGE_TAG: ${{ needs.CalculateImageTags.outputs.imagetag }}
      run: |
        echo image tag is: $IMAGE_TAG
        echo event number is: ${{ github.event.number }}

  BuildContainerImage:
    defaults:
      run:
        shell: bash
    needs: CalculateImageTags
    name: 'Build Streamlit Container Image'
    runs-on: ubuntu-22.04
    env:
      DEBUG_DEPLOY: false

    steps:
    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
    - uses: actions/checkout@v3
      id: checkout
      # with:
      #   fetch-depth: 0
    - name: Verify tag
      id: CalculateImageTagstep
      shell: bash
      env:
        IMAGE_TAG: ${{ needs.CalculateImageTags.outputs.imagetag }}
      run: |
        echo image tag is $IMAGE_TAG ${{ env.IMAGE_TAG }}
        echo event number is: ${{ github.event.number }}

    - name: Log in to GitHub Docker Registry
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner  }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and Push Client Docker Image
      uses: docker/build-push-action@v4
      env:
        IMAGE_TAG: ${{ needs.CalculateImageTags.outputs.imagetag }}

      with:
        push: true # Will only build if this is not here
        tags: |
          ghcr.io/${{ github.repository_owner }}/streamlit_frontend:latest
          ghcr.io/${{ github.repository_owner }}/streamlit_frontend:${{ env.IMAGE_TAG }}
          ghcr.io/${{ github.repository_owner }}/streamlit_frontend:pr-${{ github.event.number }}
  # This workflow contains a single job called "build"
  DeployJob:
    defaults:
      run:
        shell: bash
    needs: [CalculateImageTags, BuildContainerImage]
    name: 'Deploy Streamlit Image'
    runs-on: ubuntu-22.04
    environment: dev

    steps:
    - uses: actions/checkout@v3
      id: checkout
      with:
      #   fetch-depth: 0
        ref: ${{ github.event.pull_request.head.sha }}
      # TODO: fix once complete
      #  ref: ${{ github.event.push.head.sha }}

    - name: Log in and set context
      uses: redhat-actions/oc-login@v1
      with:
        openshift_server_url: ${{ vars.OC_SERVER }}
        openshift_token: ${{ secrets.OC_TOKEN }}
        namespace: ${{ vars.OC_NAMESPACE }}

    - name: Calculate Zone
      id: calculateZone
      shell: bash
      run: |
        event_num=${{ github.event.number }}
        if [[ -z "${event_num// }" ]]; then
          zone=pr-testing
        else
          zone=pr-$event_num
        fi
        echo zone: $zone
        echo "ZONE=$zone" >> $GITHUB_ENV

    - name: Run Helm Chart
      id: runHelmChart
      shell: bash
      env:
        IMAGE_TAG: ${{ needs.CalculateImageTags.outputs.imagetag }}
      run: |
        cd cicd
        ls -la
        helm upgrade --install snowpack-frontend-${{ env.ZONE }} snowpack-frontend \
        --set ostore_secrets.bucket=${{ vars.OBJ_STORE_BUCKET }} \
        --set ostore_secrets.secret=${{ secrets.OBJ_STORE_SECRET }} \
        --set ostore_secrets.user=${{ secrets.OBJ_STORE_USER }} \
        --set ostore_secrets.host=${{ vars.OBJ_STORE_HOST }} \
        --set image.image_tag=${{ env.IMAGE_TAG }} \
        --set image.promote=bcgov/streamlit_frontend:${{ env.IMAGE_TAG }} \
        --set app.zone=${{ env.ZONE }}

    - name: Get Route URL
      id: getRouteUrl
      shell: bash
      run: |
        # retrieve the route url
        # ---------------------------------------------------------
        app_name=$(cat ./cicd/snowpack-frontend/values.yaml | yq e '.app.name')
        app_comp=$(cat ./cicd/snowpack-frontend/values.yaml | yq e '.app.component')

        route_name=$app_name-${{ env.ZONE }}-$app_comp
        route_path=$(oc get route $route_name -o json | jq .spec.host | tr -d '"' )
        echo "OC_ROUTE=https://$route_path" >> $GITHUB_ENV

    - name: Comment PR
      uses: thollander/actions-comment-pull-request@v2
      with:
        message: |
          Route to deployed app is: ${{ env.OC_ROUTE }}