workflows: fix L4LB test missing PR reporting on issue_comment

.github/workflows/tests-l4lb.yaml

@@ -53,6 +53,9 @@ concurrency:
     }}
   cancel-in-progress: true
 
+env:
+  check_url: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
+
 jobs:
   setup-and-test:
     name: Setup & Test
@@ -67,6 +70,31 @@ jobs:
     runs-on: macos-10.15
     timeout-minutes: 30
     steps:
+      - name: Set up job variables
+        id: vars
+        run: |
+          if [ ${{ github.event.issue.pull_request || github.event.pull_request }} ]; then
+            PR_API_JSON=$(curl \
+              -H "Accept: application/vnd.github.v3+json" \
+              -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
+              ${{ github.event.issue.pull_request.url || github.event.pull_request.url }})
+            SHA=$(echo "$PR_API_JSON" | jq -r ".head.sha")
+          else
+            SHA=${{ github.sha }}
+          fi
+
+          echo ::set-output name=sha::${SHA}
+
+      - name: Set commit status to pending
+        uses: Sibz/github-status-action@67af1f4042a5a790681aad83c44008ca6cfab83d
+        with:
+          authToken: ${{ secrets.GITHUB_TOKEN }}
+          sha: ${{ steps.vars.outputs.sha }}
+          context: ${{ github.workflow }}
+          description: L4LB test in progress...
+          state: pending
+          target_url: ${{ env.check_url }}
+
       - uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
         with:
           persist-credentials: false
@@ -84,21 +112,54 @@ jobs:
           done
           vagrant ssh-config >> ~/.ssh/config
 
-      - name: Set image tag
-        id: vars
-        run: |
-          if [ ${{ github.event.pull_request.head.sha }} != "" ]; then
-            echo ::set-output name=tag::${{ github.event.pull_request.head.sha }}
-          else
-            echo ::set-output name=tag::${{ github.sha }}
-          fi
-
       - name: Wait for image to be available
         timeout-minutes: 10
         shell: bash
         run: |
-          until curl --silent -f -lSL "https://quay.io/api/v1/repository/${{ github.repository_owner }}/cilium-ci/tag/${{ steps.vars.outputs.tag }}/images" &> /dev/null; do sleep 45s; done
+          until curl --silent -f -lSL "https://quay.io/api/v1/repository/${{ github.repository_owner }}/cilium-ci/tag/${{ steps.vars.outputs.sha }}/images" &> /dev/null; do sleep 45s; done
 
       - name: Run tests
         run: |
-          ssh default "sudo /bin/sh -c 'cd /vagrant/test/l4lb && ./test.sh ${{ github.repository_owner}} ${{ steps.vars.outputs.tag }}'"
+          ssh default "sudo /bin/sh -c 'cd /vagrant/test/l4lb && ./test.sh ${{ github.repository_owner}} ${{ steps.vars.outputs.sha }}'"
+
+      - name: Set commit status to success
+        if: ${{ success() }}
+        uses: Sibz/github-status-action@67af1f4042a5a790681aad83c44008ca6cfab83d
+        with:
+          authToken: ${{ secrets.GITHUB_TOKEN }}
+          sha: ${{ steps.vars.outputs.sha }}
+          context: ${{ github.workflow }}
+          description: L4LB test successful
+          state: success
+          target_url: ${{ env.check_url }}
+
+      - name: Set commit status to failure
+        if: ${{ failure() }}
+        uses: Sibz/github-status-action@67af1f4042a5a790681aad83c44008ca6cfab83d
+        with:
+          authToken: ${{ secrets.GITHUB_TOKEN }}
+          sha: ${{ steps.vars.outputs.sha }}
+          context: ${{ github.workflow }}
+          description: L4LB test failed
+          state: failure
+          target_url: ${{ env.check_url }}
+
+      - name: Set commit status to cancelled
+        if: ${{ cancelled() }}
+        uses: Sibz/github-status-action@67af1f4042a5a790681aad83c44008ca6cfab83d
+        with:
+          authToken: ${{ secrets.GITHUB_TOKEN }}
+          sha: ${{ steps.vars.outputs.sha }}
+          context: ${{ github.workflow }}
+          description: L4LB test cancelled
+          state: error
+          target_url: ${{ env.check_url }}
+
+      - name: Send slack notification
+        if: ${{ (cancelled() || failure()) && (github.event_name == 'schedule' || github.event_name == 'push') }}
+        uses: 8398a7/action-slack@dcc8c8e9dd8802e21a712dc0c003db97b42efe43
+        with:
+          status: ${{ job.status }}
+          fields: repo,message,commit,author,action,eventName,ref,workflow,job,took # selectable (default: repo,message)
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}