add workflow metric

Author: xinsong-cui

.github/actions/workflow-metrics/action.yml

@@ -0,0 +1,26 @@
+name: Workflow Metrics
+description: >
+  Track and upload workflow execution time to CloudWatch
+
+inputs:
+  workflow-name:
+    description: >
+      Name of the workflow
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Checkout sources
+      uses: actions/checkout@v2
+    - name: Configure AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        role-to-assume: arn:aws:iam::886436966712:role/Admin
+        aws-region: us-west-2
+    - name: Upload workflow metrics
+      shell: bash
+      run: |
+        duration=$(($(date +%s) - $WORKFLOW_START_TIME))
+        aws cloudwatch put-metric-data \
+          --namespace "GitHub/Workflows" \
+          --metric-data MetricName=Duration,Value=$duration,Unit=Seconds,Dimensions=WorkflowName=${{ inputs.workflow-name }},Repository=${{ github.repository }}

.github/workflows/api-compat-verification.yml

@@ -9,6 +9,9 @@ on:
 
 permissions: { }
 
+env:
+  WORKFLOW_START_TIME: ${{ github.event.created_at && github.event.created_at || github.run_id }}
+
 jobs:
   api-compat-verification:
     runs-on: ubuntu-latest
@@ -34,3 +37,8 @@ jobs:
           echo "::error ::* Revert the changes which caused the API incompatibility –or–"
           echo "::error ::* Add the 'acknowledge-api-break' label to this PR (in rare cases warranting an API breakage)"
           exit 1
+      - name: Upload metrics
+        if: always()
+        uses: ./.github/actions/workflow-metrics
+        with:
+          workflow-name: 'api-compat-verification'