SonarQube Cloud: CI-based analysis with Go coverage

[mrrobertkent]

Moves SonarQube Cloud from Automatic Analysis to CI-based analysis so Go test coverage reaches the quality gate: Automatic Analysis does not import coverage (https://docs.sonarsource.com/sonarqube-cloud/analyzing-source-code/automatic-analysis, retrieved 2026-10-08).

• sonar job: full-history checkout, go test -coverprofile, SonarSource/sonarqube-scan-action v8.3.0 (SHA-pinned). It runs only when SONAR_TOKEN is available, so fork pull requests and the period before the secret exists skip the scan instead of failing.
• sonar-project.properties: organization, project key, test files as tests, coverage.out as the Go coverage report.
• README: SonarQube Cloud quality-gate badge (main has been analysed; the gate passes).

Does not duplicate CodeQL, govulncheck or Scorecard: Sonar adds maintainability rules, security hotspots, duplication and coverage on new code.

Summary by CodeRabbit

• Documentation
  • Added a SonarCloud Quality Gate Status badge to the README, making the project’s quality status visible at a glance.
• Chores
  • Added an automated code-quality check to CI. When scan credentials are configured, it runs Go tests with coverage and performs a SonarQube scan; both steps are skipped when credentials are unavailable. This provides quality and test-coverage results alongside CI checks.

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• .github/workflows/ci.yml

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📝 Walkthrough

Walkthrough

Adds SonarCloud project configuration, a CI job that conditionally runs tests and a scan when SONAR_TOKEN is set, and a README Quality Gate badge.

Changes

SonarCloud setup

Layer / File(s)	Summary
Configure and expose SonarCloud analysis sonar-project.properties, .github/workflows/ci.yml, README.md	The configuration defines project identifiers, source and test paths, exclusions, and coverage settings. The CI job runs tests and the SonarQube scan when SONAR_TOKEN is available. The README links to the SonarCloud Quality Gate status.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Feature

Merge Risk: ⚪ Minimal · up to 98b52

No actionable merge-blocking risk remains in the reviewed SonarCloud integration.

Architecture Summary

Architecture risk: 🔵 Low · up to 98b52

The change affects 2 systems.

Changed systems: README.md, sonar-project.properties

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — README.md (service) was modified; 1 changed file maps to changed impact.
• observed — sonar-project.properties (service) was modified; 1 changed file maps to changed impact.

Before / after behavior

• observed — Modified behavior in README.md: Added a SonarCloud Quality Gate Status badge linking to the project’s SonarCloud summary.
• observed — Modified behavior in sonar-project.properties: Added SonarQube organization and project identifiers, source and test roots, Go test inclusion and exclusion patterns, and the Go coverage report path.
• observed — Modified behavior in .github/workflows/ci.yml: Added a SonarQube job that performs a full-history checkout and Go setup. When SONAR_TOKEN is nonempty, it runs the Go test suite with coverage and executes the SonarQube scan using that token; otherwise both steps are skipped.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description explains the CI-based SonarQube analysis, coverage configuration, badge, and scan conditions. It does not use the required "What changes for users" heading or include the required chec…	Add the required "## What changes for users" section with one or two release-note sentences. Add the complete "## Checklist" and mark each applicable item. Confirm whether go test -race ./..., go vet ./..., and gofmt -l . are clean, a…

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the main change: moving SonarQube Cloud analysis into CI and adding Go coverage.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Description check

Explanation

The description explains the CI-based SonarQube analysis, coverage configuration, badge, and scan conditions. It does not use the required "What changes for users" heading or include the required checklist, including test, vet, race, gofmt, and documentation confirmations.

Resolution

Add the required "## What changes for users" section with one or two release-note sentences. Add the complete "## Checklist" and mark each applicable item. Confirm whether go test -race ./..., go vet ./..., and gofmt -l . are clean, and confirm the documentation or configuration update.

✨ Finishing Touches

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Actionable comments posted: 1

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Inline comments:
Review comments at @.github/workflows/ci.yml:
- Around line 56-57: Move SONAR_TOKEN out of the job-level environment and into
the Sonar scan step so go test and its dependencies cannot access it. Update the
scan step condition to use a non-secret presence flag, and ensure token-bearing
runs execute only trusted code.

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📒 Files selected for processing (3)

• .github/workflows/ci.yml
• README.md
• sonar-project.properties

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[gitar-bot]

Code Review ✅ Approved 1 closed / 1 findings

🟡 Medium risk · Adding a credential-gated Sonar scan and coverage test changes CI behavior; scanner or test failures could fail the workflow when the token is configured.

Adds CI-based SonarQube Cloud analysis with Go test coverage reporting, addressing the limitation of Automatic Analysis which does not import coverage data. The configuration properly scopes the SONAR_TOKEN to the scan step, excludes test files from source indexing to prevent scanner failure, and gracefully skips analysis on fork PRs and before the secret is configured.

✅ 1 closed

✅ Bug: Test files indexed as both sources and tests; scanner will fail

📄 sonar-project.properties:3-6
sonar.sources=. and sonar.tests=. both cover the whole repository, but sonar.exclusions removes only dist/**. That leaves every *_test.go file matched as a main source and also, through sonar.test.inclusions, as a test. The SonarScanner stops with "File ... can't be indexed twice. Please check that inclusion/exclusion patterns produce disjoint sets for main and test files", so the sonar job fails as soon as SONAR_TOKEN is set. SonarSource's Go setup excludes test files from sources for exactly this reason. Fix: add **/*_test.go to sonar.exclusions.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud