meta.yml

# Sets Metadata for workflow(s)
name: Metadata

on: 
  workflow_call:
    inputs:
      pr-prefix:
        description: 'A prefix for the pr environment name'
        type: string
    # Map the workflow outputs to job outputs
    outputs:
      event-name:
        description: "name of triggering event"
        value: ${{ jobs.set-metadata.outputs.event-name }}
      pr-number:
        description: "pr number or null if not a pull_request"
        value: ${{ jobs.set-metadata.outputs.pr-number }}
      pr-env:
        description: "pr environment name or null if not a pull_request"
        value: ${{ jobs.set-metadata.outputs.pr-env }}
      release-name:
        description: "release name or null if not a release"
        value: ${{ jobs.set-metadata.outputs.release-name }}
      release-id:
        description: "release ID or null if not a release"
        value: ${{ jobs.set-metadata.outputs.release-id }}        
      release-is-prerelease:
        description: "true if release is a prerelease, false if release is fully released, null if not a release"
        value: ${{ jobs.set-metadata.outputs.release-is-prerelease }}
      release-url:
        description: "release URL or null if not a release"
        value: ${{ jobs.set-metadata.outputs.release-url }}
      revision-sha:
        description: "full sha"
        value: ${{ jobs.set-metadata.outputs.revision-sha }}
      build-tag:
        description: "build tag (sha-###)"
        value: ${{ jobs.set-metadata.outputs.build-tag }}      
      artifact-name:
        description: "name of artifact containing the full event payload as JSON"
        value: ${{ jobs.set-metadata.outputs.artifact-name }}
jobs:
  set-metadata:
    runs-on: ubuntu-latest
    # Map the job outputs to step outputs
    outputs:
      event-name: ${{ steps.set-event-name.outputs.event-name }}
      pr-number:  ${{ steps.set-pr-number.outputs.pr-number }}
      pr-env: ${{ steps.set-pr-number.outputs.pr-env }}
      release-name: ${{ steps.set-release.outputs.release-name }}
      release-id: ${{ steps.set-release.outputs.release-id }}
      release-is-prerelease: ${{ steps.set-release.outputs.release-is-prerelease }}
      release-url: ${{ steps.set-release.outputs.release-url }}
      revision-sha: ${{ steps.set-revision-sha.outputs.revision-sha }}
      build-tag: ${{ steps.set-build-tag.outputs.build-tag }}
      artifact-name: ${{ steps.stash-event-payload.outputs.artifact-name }}
    steps:
      - name: set-event-name
        id: set-event-name
        run: echo "event-name=${{ github.event_name }}" >> $GITHUB_OUTPUT
      - name: set-pr-number
        id: set-pr-number
        run: |
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
              export PR_NUMBER=$( cat ${{ github.event_path }} | jq .number -r )
              echo pr-number=${PR_NUMBER} >> $GITHUB_OUTPUT
              echo pr-env=${{ inputs.pr-prefix }}${PR_NUMBER} >> $GITHUB_OUTPUT
          else
              echo "pr-number=null" >> $GITHUB_OUTPUT
              echo "pr-env=null" >> $GITHUB_OUTPUT
          fi
      - name: set-release
        id: set-release
        run: |
          if [[ "${{ github.event_name }}" == "release" ]]; then
              export RELEASE_NAME=$( cat ${{ github.event_path }} | jq .release.name -r )
              export RELEASE_ID=$( cat ${{ github.event_path }} | jq .release.id -r )
              export RELEASE_IS_PRERELEASE=$( cat ${{ github.event_path }} | jq .release.prerelease -r )
              export RELEASE_URL=$( cat ${{ github.event_path }} | jq .release.html_url -r )
              echo release-name=${RELEASE_NAME} >> $GITHUB_OUTPUT
              echo release-id=${RELEASE_ID} >> $GITHUB_OUTPUT
              echo release-is-prerelease=${RELEASE_IS_PRERELEASE} >> $GITHUB_OUTPUT
              echo release-url=${RELEASE_URL} >> $GITHUB_OUTPUT
          else
              echo "release-name=null" >> $GITHUB_OUTPUT
              echo "release-id=null" >> $GITHUB_OUTPUT
              echo "release-is-prerelease=null" >> $GITHUB_OUTPUT
              echo "release-url=null" >> $GITHUB_OUTPUT
          fi          
      - name: set-revision-sha
        id: set-revision-sha
        run: echo "revision-sha=${{ github.sha }}" >> $GITHUB_OUTPUT
      - name: set-build-tag
        id: set-build-tag 
        run: |
          git init
          echo "build-tag=$( git rev-parse --short ${{ github.sha }} )" >> $GITHUB_OUTPUT        
      - name: stash-event-payload
        id: stash-event-payload
        run: |
          mkdir -p ./details
          cat ${{ github.event_path }} > ./details/event-payload.json
          echo "artifact-name=details/event-payload.json" >> $GITHUB_OUTPUT
      - name: upload-event-payload-artifact
        uses: actions/upload-artifact@v3
        with:
          name: event-payload.json
          path: ./details/
      - name: inspect-outputs
        id: inspect-outputs
        run: |
          echo "event-name: ${{ steps.set-event-name.outputs.event-name }}"
          echo "pr-number:  ${{ steps.set-pr-number.outputs.pr-number }}"
          echo "pr-env: ${{ steps.set-pr-number.outputs.pr-env }}"
          echo "release-name: ${{ steps.set-release.outputs.release-name }}"
          echo "release-id: ${{ steps.set-release.outputs.release-id }}"
          echo "release-is-prerelease: ${{ steps.set-release.outputs.release-is-prerelease }}"
          echo "release-url: ${{ steps.set-release.outputs.release-url }}"
          echo "revision-sha: ${{ steps.set-revision-sha.outputs.revision-sha }}"
          echo "build-tag: ${{ steps.set-build-tag.outputs.build-tag }}"
          echo "artifact-name: ${{ steps.stash-event-payload.outputs.artifact-name }}"
          cat ${{ github.event_path }}