Add custom status check workflow (#15464)

This PR adds a custom workflow that creates a custom github status check to `cudf` that will run after `workflow_run` event is triggered.

Authors:
  - GALI PREM SAGAR (https://github.com/galipremsagar)

Approvers:
  - AJ Schmidt (https://github.com/ajschmidt8)
  - Ray Douglass (https://github.com/raydouglass)

URL: #15464

.github/workflows/status.yaml

@@ -0,0 +1,115 @@
+name: Custom GH Status from Workflow Artifacts
+
+on:
+  workflow_run:
+    workflows: ["pr"]
+    types:
+      - completed
+
+jobs:
+  process_artifacts:
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+    outputs:
+      artifact_downloaded: ${{ steps.download_artifact.outputs.artifact_downloaded }}
+    permissions:
+      actions: read
+      checks: read
+      contents: read
+      deployments: read
+      id-token: write
+      issues: read
+      discussions: read
+      packages: read
+      pages: read
+      pull-requests: read
+      repository-projects: read
+      security-events: read
+      statuses: write
+    steps:
+      - name: Download artifact
+        id: download_artifact
+        uses: actions/github-script@v7
+        with:
+          retries: 3
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const artifactName = 'gh-status';
+
+            const allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                run_id: context.payload.workflow_run.id,
+              });
+            // Find the specific artifact
+            const artifact = allArtifacts.data.artifacts.find(artifact => artifact.name === artifactName);
+            if (!artifact) {
+              core.info(`Artifact "${artifactName}" not found. Exiting safely.`);
+              core.setOutput('artifact_downloaded', 'false');
+              return;
+            }
+            core.setOutput('artifact_downloaded', 'true');
+            // Download the artifact
+            const download = await github.rest.actions.downloadArtifact({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              artifact_id: artifact.id,
+              archive_format: 'zip',
+            });
+
+            // Write the artifact to a file
+            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/${artifactName}.zip`, Buffer.from(download.data));
+
+      - name: 'Unzip artifact'
+        if: ${{ steps.download_artifact.outputs.artifact_downloaded == 'true' }}
+        run: unzip 'gh-status.zip'
+
+      - name: Create status
+        if: ${{ steps.download_artifact.outputs.artifact_downloaded == 'true' }}
+        uses: actions/github-script@v7
+        env:
+          WORKFLOW_RUN_ID: ${{ github.event.workflow_run.id }}
+          COMMIT_SHA: ${{ github.event.workflow_run.head_sha }}
+          ATTEMPTS: ${{ github.event.workflow_run.run_attempt }}
+        with:
+          retries: 3
+          script: |
+            // Load the JSON content
+            const contentJSON = require('./gh-status.json');
+            const {
+                job_name: JOB_NAME,
+                context: CUSTOM_CONTEXT = 'Custom CI Status Check',
+                description: CUSTOM_DESCRIPTION = 'Custom CI Status description',
+                target_url: CUSTOM_TARGET_URL,
+                state: CUSTOM_STATE = 'success'
+            } = contentJSON;
+
+            // Fetch the first job ID from the workflow run
+            const jobs = await github.rest.actions.listJobsForWorkflowRun({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                run_id: process.env.WORKFLOW_RUN_ID,
+            });
+            const job = jobs.data.jobs.find(job => job.name === JOB_NAME);
+            const JOB_ID = job ? job.id : null;
+
+            // Set default target URL if not defined
+            const targetUrl = CUSTOM_TARGET_URL || `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${process.env.WORKFLOW_RUN_ID}/attempts/${process.env.ATTEMPTS}#summary-${JOB_ID}`;
+
+            console.log("job id: ", JOB_ID);
+            console.log("state: ", CUSTOM_STATE);
+            console.log("target url: ", targetUrl);
+            console.log("description: ", CUSTOM_DESCRIPTION);
+            console.log("context: ", CUSTOM_CONTEXT);
+
+            // Create status
+            await github.rest.repos.createCommitStatus({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                sha: process.env.COMMIT_SHA,
+                state: CUSTOM_STATE,
+                target_url: targetUrl,
+                description: CUSTOM_DESCRIPTION,
+                context: CUSTOM_CONTEXT,
+            });