ci: Add debug mode to publish workflow

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ on:
       - 'LICENSE'
   release:
     types:
-      - created
+      - published
 
 env:
   GITHUB_REF_NAME: ${{ github.event.release.tag_name }}
@@ -17,11 +17,61 @@ env:
   PLATFORMS: linux/amd64,linux/arm64,linux/arm/v7
   CACHE_PATH: /tmp/.buildx-docker-salt-master-cache
   EXTRA_REGISTRIES: ghcr.io quay.io
+  DEBUG: true
 
 jobs:
+  metadata:
+    name: Metadata
+    runs-on: ubuntu-latest
+    outputs:
+      tags: ${{ steps.tags.outputs.tags }}
+      vcs_ref: ${{ steps.vcs_ref.outputs.vcs_ref }}
+      created_on: ${{ steps.created_on.outputs.created_on }}
+    steps:
+      - name: Image Tags
+        id: tags
+        run: |
+          IMAGE_TAG="${GITHUB_REF_NAME:-latest}"
+          DOCKER_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
+          TAGS="${DOCKER_IMAGE}"
+          for registry in ${EXTRA_REGISTRIES}; do
+            TAGS="${TAGS},${registry}/${DOCKER_IMAGE}"
+          done
+
+          echo "Image Tag: '${IMAGE_TAG}'"
+          echo "Docker image: '${DOCKER_IMAGE}'"
+          echo "Tags: ${TAGS}"
+
+          echo ::set-output name=tags::${TAGS}
+
+      - name: VCS ref
+        id: vcs_ref
+        run: |
+          VCS_REF="${GITHUB_SHA::8}"
+          echo "VCS ref: ${VCS_REF}"
+          echo ::set-output name=vcs_ref::${VCS_REF}
+
+      - name: Created On
+        id: created_on
+        run: |
+          CREATED_ON="$(date -u +"%Y-%m-%dT%H:%M:%SZ")"
+          echo "Created on: ${CREATED_ON}"
+          echo ::set-output name=created_on::${CREATED_ON}
+
+      - name: Dump environment
+        if: ${{ env.DEBUG }} == 'true'
+        run: env | sort
+      - name: Dump GitHub context
+        if: ${{ env.DEBUG }} == 'true'
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "${GITHUB_CONTEXT}"
+
   publish:
     name: Publish
     runs-on: ubuntu-latest
+    needs: metadata
+    if: ${{ env.DEBUG }} != 'false'
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2.4.0
@@ -60,33 +110,6 @@ jobs:
           username: ${{ secrets.QUAYIO_USERNAME }}
           password: ${{ secrets.QUAYIO_PASSWORD }}
 
-      - name: Prepare metadata
-        id: metadata
-        run: |
-          # Tags
-          TAG="${GITHUB_REF_NAME:-latest}"
-          echo "Tag: ${TAG}"
-
-          DOCKER_IMAGE="${IMAGE_NAME}:${TAG}"
-          echo "Docker image: ${DOCKER_IMAGE}"
-
-          TAGS="${DOCKER_IMAGE}"
-          for registry in ${EXTRA_REGISTRIES}; do
-            TAGS="${TAGS},${registry}/${DOCKER_IMAGE}"
-          done
-          echo "Tags: ${TAGS}"
-
-          # Build args
-          VCS_REF="${GITHUB_SHA::8}"
-          echo "VCS ref: ${VCS_REF}"
-
-          CREATED_ON="$(date +"%Y-%m-%d %H:%M:%S%:z")"
-          echo "Created on: ${CREATED_ON}"
-
-          echo ::set-output name=tags::${TAGS}
-          echo ::set-output name=vcs_ref::${VCS_REF}
-          echo ::set-output name=created_on::${CREATED_ON}
-
       - name: Build
         uses: docker/build-push-action@v2.7.0
         with:
@@ -94,9 +117,9 @@ jobs:
           file: ./Dockerfile
           platforms: ${{ env.PLATFORMS }}
           build-args: |
-            VCS_REF=${{ steps.metadata.outputs.vcs_ref }}
-            BUILD_DATE=${{ steps.metadata.outputs.created_on }}
+            VCS_REF=${{ needs.metadata.outputs.vcs_ref }}
+            BUILD_DATE=${{ needs.metadata.outputs.created_on }}
           cache-from: type=local,src=${{ env.CACHE_PATH }}
           cache-to: type=local,dest=${{ env.CACHE_PATH }}
           push: true
-          tags: ${{ steps.metadata.outputs.tags }}
+          tags: ${{ needs.metadata.outputs.tags }}