detect-helm-instance-deployment.yml

name: Workflow which detects what helm instance should be deployed
on:
  workflow_call:
    outputs:
      cluster:
        description: "cluster type as dev, staging or prod"
        value: ${{ jobs.detect.outputs.dev }}
      instance:
        description: "Returns value of instance"
        value: ${{ jobs.detect.outputs.dev }}
jobs:
  detect:
    name: Checking deployment conditions
    runs-on: ubuntu-latest
    env:
      COUNT: 0
    outputs:
      instance: ${{ steps.split.outputs.instance }}
    steps:

    - id: clean
      name: Clean tag name
      env:
        REF_NAME: ${{ github.ref_name }}
      run: |
        echo "TAG=${REF_NAME##*/}" >> $GITHUB_ENV

    - id: instance
      name: Get instance
      run: |
        echo "INSTANCE=${TAG##*-}" >> $GITHUB_ENV

    - id: cluster
      name: Get cluster
      run: |
        echo "CLUSTER=${TAG%%-*}" >> $GITHUB_ENV

    - id: out
      name: Set ouptuts
      run: |
        echo "VALUES_FILE=${CLUSTER}/${INSTANCE}.yml" >> $GITHUB_ENV
        echo "cluster=${CLUSTER}" >> $GITHUB_OUTPUT
        echo "instance=${INSTANCE}" >> $GITHUB_OUTPUT

    - name: Print Outputs
      run: |
        echo ${{ steps.out.outputs.cluster }}
        echo ${{ steps.out.outputs.instance }}

    - id: no-instance
      if: env.INSTANCE == ''
      uses: actions/github-script@v3
      with:
        script: |
          core.setFailed(':heavy_exclamation_mark: We have no helm instances. Exiting pipeline with Fail status.')

    - id: no-cluster
      if: env.CLUSTER == ''
      uses: actions/github-script@v3
      with:
        script: |
          core.setFailed(':heavy_exclamation_mark: We have no cluster. Exiting pipeline with Fail status.')
          - id: no-cluster

    - id: no-values-file
      if: [-f env.VALUES_FILE] == false
      uses: actions/github-script@v3
      with:
        script: |
          core.setFailed(':heavy_exclamation_mark: We have no values file. Exiting pipeline with Fail status.')

    - id: check_files
      name: Check file existence
      uses: thebinaryfelix/check-file-existence-action@v1
      with:
        files: env.VALUES_FILE

    - name: Files exist
      if: steps.check_files.outputs.exists == 'true'
      # Only runs if all of the files exist
      run: echo "All files exist!"