✨ Auto-update coverage badge via gist on merge to main by clubanderson · Pull Request #4066 · kubestellar/console

clubanderson · 2026-04-01T02:27:06Z

Summary

Coverage badge in README now reads from a dynamic gist endpoint instead of a hardcoded static value
coverage-gate.yml now also triggers on push to main (not just PRs)
On merge to main: computes total line coverage, updates gist with percentage and color
Badge auto-updates: red (<40%), orange (40-59%), green (60%+)

How it works

PR merges to main → coverage-gate workflow runs
Vitest runs with --coverage, produces coverage-summary.json
Workflow reads total line %, updates gist b9a9ae8469f1897a22d5a40629bc1e82
README badge (shields.io/endpoint) reads from gist → displays current %

Test plan

Merge this PR → verify coverage-gate workflow runs on push
Check gist updates with actual coverage number
Verify README badge reflects new value

- Add push trigger to coverage-gate workflow for main branch - Update gist with coverage percentage and color after each merge - README badge now reads from dynamic gist endpoint - Gist ID: b9a9ae8469f1897a22d5a40629bc1e82 Signed-off-by: Andrew Anderson <andy@clubanderson.com>

kubestellar-prow · 2026-04-01T02:27:10Z

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github-actions · 2026-04-01T02:27:15Z

👋 Hey @clubanderson — thanks for opening this PR!

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github-actions · 2026-04-01T02:28:25Z

Thank you for your contribution! Your PR has been merged.

Check out what's new:

KubeStellar Console — Live multi-cluster dashboard
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Stay connected: Slack #kubestellar-dev | Multi-Cluster Survey

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Pull request overview

This PR switches the repository’s coverage badge to a dynamic Shields endpoint backed by a GitHub gist, and extends the existing coverage workflow to run on merges to main so it can compute and publish the updated total line coverage.

Changes:

Update README.md to use a shields.io/endpoint badge that reads coverage JSON from a gist.
Extend coverage-gate.yml to also trigger on push to main.
Add a workflow step that reads web/coverage/coverage-summary.json and attempts to update the gist badge payload after merges.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
README.md	Switch coverage badge from a static value to a Shields endpoint backed by a gist JSON payload.
.github/workflows/coverage-gate.yml	Trigger on push-to-main and add a gist update step to publish total coverage for the README badge.

Copilot · 2026-04-01T02:29:34Z

.github/workflows/coverage-gate.yml

+        env:
+          GIST_ID: 'b9a9ae8469f1897a22d5a40629bc1e82'
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}


actions/github-script is using secrets.GITHUB_TOKEN to call github.rest.gists.update, but GITHUB_TOKEN (GitHub App installation token) typically cannot write to a user gist, so the badge update will silently never happen (you catch and ignore the error). Use a dedicated secret (PAT/fine-grained token) with gist write access (e.g., secrets.COVERAGE_GIST_TOKEN) and pass that as github-token for this step (keeping the step restricted to push on main).

Suggested change

github-token: ${{ secrets.GITHUB_TOKEN }}

github-token: ${{ secrets.COVERAGE_GIST_TOKEN }}

Copilot · 2026-04-01T02:29:34Z

.github/workflows/coverage-gate.yml


 concurrency:
-  group: coverage-gate-${{ github.event.pull_request.number }}
+  group: coverage-gate-${{ github.event.pull_request.number || github.sha }}


The concurrency group uses github.sha for push runs, which makes every run a unique group and effectively disables cancel-in-progress on repeated pushes to main (older runs won't be cancelled). Consider grouping push runs by branch/ref (e.g., github.ref) so only the latest main run proceeds and you avoid overlapping Vitest runs / gist updates.

Suggested change

group: coverage-gate-${{ github.event.pull_request.number || github.sha }}

group: ${{ github.event_name == 'pull_request' && format('coverage-gate-pr-{0}', github.event.pull_request.number) || format('coverage-gate-ref-{0}', github.ref) }}

Copilot · 2026-04-01T02:29:35Z

.github/workflows/coverage-gate.yml

+            const GOOD_THRESHOLD = 60;
+            const OK_THRESHOLD = 40;
+            let color = 'red';
+            if (pct >= GOOD_THRESHOLD) color = 'brightgreen';
+            else if (pct >= OK_THRESHOLD) color = 'yellow';
+            else color = 'orange';


The badge color logic doesn’t match the PR description: this code produces brightgreen (>=60), yellow (40–59), and orange (<40), and the initial red value is never used. Either align the thresholds/colors with the documented scheme (red <40, orange 40–59, green 60+), or update the PR description to reflect the actual colors.

clubanderson · 2026-04-01T02:29:42Z

🔄 Auto-Applying Copilot Code Review

Copilot code review found 2 code suggestion(s) and 1 general comment(s).

@copilot Please apply all of the following code review suggestions:

.github/workflows/coverage-gate.yml (line 209): github-token: ${{ secrets.COVERAGE_GIST_TOKEN }}
.github/workflows/coverage-gate.yml (line 22): group: ${{ github.event_name == 'pull_request' && format('coverage-gate-pr-{0}',...

Also address these general comments:

.github/workflows/coverage-gate.yml (line 228): The badge color logic doesn’t match the PR description: this code produces brightgreen (>=60), yellow (40–59), and `

Push all fixes in a single commit. Run cd web && npm run build && npm run lint before committing.

Auto-generated by copilot-review-apply workflow.

Copilot AI review requested due to automatic review settings April 1, 2026 02:27

kubestellar-prow bot added the dco-signoff: yes Indicates the PR's author has signed the DCO. label Apr 1, 2026

kubestellar-prow bot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Apr 1, 2026

Copilot started reviewing on behalf of clubanderson April 1, 2026 02:27 View session

clubanderson merged commit ec43b8d into main Apr 1, 2026
15 of 17 checks passed

kubestellar-prow bot deleted the feat/dynamic-coverage-badge branch April 1, 2026 02:28

Copilot AI reviewed Apr 1, 2026

View reviewed changes

clubanderson assigned Copilot Apr 1, 2026

github-actions bot mentioned this pull request Apr 1, 2026

📋 [aw] No-Op Runs #3237

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✨ Auto-update coverage badge via gist on merge to main#4066

✨ Auto-update coverage badge via gist on merge to main#4066
clubanderson merged 1 commit intomainfrom
feat/dynamic-coverage-badge

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	github-token: ${{ secrets.GITHUB_TOKEN }}
	github-token: ${{ secrets.COVERAGE_GIST_TOKEN }}

	group: coverage-gate-${{ github.event.pull_request.number \|\| github.sha }}
	group: ${{ github.event_name == 'pull_request' && format('coverage-gate-pr-{0}', github.event.pull_request.number) \|\| format('coverage-gate-ref-{0}', github.ref) }}

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clubanderson commented Apr 1, 2026

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