Add new github action to validate existing Image version in open PR

Author: Ruinong Tian

.github/workflows/validate-image.yml

@@ -0,0 +1,55 @@
+name: New Image Version Tests and Reports
+run-name: Image Validation - ${{ inputs.image-version }}
+on:
+  # Manually call
+  workflow_dispatch:
+    inputs:
+      image-version:
+        required: true
+        description: Image version to validate=
+  # Call from other workflow
+  workflow_call:
+    inputs:
+      image-version:
+        type: string
+        required: true
+defaults:
+  run:
+    shell: bash -l {0}
+jobs:
+  get-pr-number:
+    runs-on: ubuntu-latest
+    name: Get PR Number by title
+    outputs:
+      pr_id: ${{ steps.get_pr_id.outputs.pr_id }}
+    steps:
+      - name: Get PR number
+        id: get_pr_id
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          PR=$(gh pr list --search "in:title 'release: v${{ inputs.image-version }}'" --json number --jq '.[0].number')
+          echo "pr_id=$PR" >> $GITHUB_OUTPUT
+  call-codebuild-project:
+    runs-on: ubuntu-latest
+    needs: get-pr-number
+    permissions:
+      pull-requests: write
+      contents: write
+      id-token: write
+    steps:
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: ${{ secrets.START_CODEBUILD_ROLE }}
+          aws-region: us-east-1
+          # CodeBuild timeout of 8 hours
+          role-duration-seconds: 28800
+          audience: https://sts.us-east-1.amazonaws.com
+      - name: Run CodeBuild
+        uses: dark-mechanicum/aws-codebuild@v1
+        env:
+          CODEBUILD__sourceVersion: 'pr/${{ needs.get-pr-number.outputs.pr_id }}'
+        with:
+          projectName: ${{ secrets.CODEBUILD_VALIDATION_JOB_NAME }}
+          buildspec: '{"imageOverride": "aws/codebuild/standard:7.0", "imagePullCredentialsTypeOverride": "CODEBUILD"}'