.deploy.yml

name: .Deploys

on:
  workflow_call:
    inputs:
      ### Required
      release:
        description: Deployment release; usually PR number, test or prod
        required: true
        type: string

      ### Typical / recommended
      autoscaling:
        description: Autoscaling enabled or not for the deployments
        required: false
        type: string
        default: false
      build_outputs:
        description: Build outputs
        required: false
        type: string
        default: 'true'
      environment:
        description: Environment name; omit for PRs
        required: false
        type: string
      tag:
        description: Container tag; usually PR number
        required: false
        type: string
        default: ${{ github.event.number }}
      test:
        description: Run tests after deployment?
        required: false
        type: string
        default: "true"

      ### Usually a bad idea / not recommended
      directory:
        description: 'Chart directory'
        default: 'charts/${{ github.event.repository.name }}'
        required: false
        type: string
      timeout-minutes:
        description: 'Timeout minutes'
        default: 10
        required: false
        type: number
      values:
        description: 'Values file'
        default: 'values.yaml'
        required: false
        type: string
      params:
        description: 'Extra parameters to pass to helm upgrade'
        default: ''
        required: false
        type: string

env:
  repo_release: ${{ github.event.repository.name }}-${{ inputs.release }}
  package_tag: ${{ inputs.tag }}

jobs:
  deploys:
    name: Helm
    if: ${{ inputs.build_outputs != '' }}
    environment: ${{ inputs.environment }}
    runs-on: ubuntu-24.04
    timeout-minutes: ${{ inputs.timeout-minutes }}
    steps:
      - uses: actions/checkout@v4
      - uses: redhat-actions/openshift-tools-installer@v1
        with:        
          oc: "4.14"
      - name: Deploy
        working-directory: ${{ inputs.directory }}
        shell: bash
        run: |
          oc login --token=${{ secrets.oc_token }} --server=${{ vars.oc_server }}
          oc project ${{ vars.OC_NAMESPACE }} # Safeguard!

          # Interrupt any previous jobs (status = pending-upgrade)
          PREVIOUS=$(helm status ${{ env.repo_release }} -o json | jq .info.status || true)
          if [[ ${PREVIOUS} =~ pending ]]; then
            echo "Rollback triggered"
            helm rollback ${{ env.repo_release }} || \
              helm uninstall ${{ env.repo_release }}
          fi
          # Clean previous deployments for PR pipeline, if any 
          if [[ '${{inputs.environment}}' == '' ]]; then
            helm uninstall ${{ env.repo_release }} || true
            # Remove Bitnami Postgres PVCs
            oc delete pvc data-${{ env.repo_release }}-bitnami-pg-0 || \
              echo "Not found: pvc data-${{ env.repo_release }}-bitnami-pg-0"
          fi
          # Deploy Helm Chart
          helm dependency update
          helm package --app-version="${{ env.package_tag }}" --version=${{ inputs.tag }} .
          
          helm upgrade \
            --set global.autoscaling=${{ inputs.autoscaling }} \
            --set-string global.repository=${{ github.repository }} \
            --set-string global.tag=${{ inputs.tag }} \
            ${{ inputs.params }} \
            --install --wait --atomic  ${{ env.repo_release }} \
            --timeout ${{ inputs.timeout-minutes }}m \
            --values ${{ inputs.values }} \
            ./${{ github.event.repository.name }}-${{ inputs.tag }}.tgz

          # print history 
          helm history ${{ env.repo_release }}
          
          # Remove old build runs, build pods and deployment pods
          oc delete po --field-selector=status.phase==Succeeded