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Lab03#4

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pepegx wants to merge 16 commits intomasterfrom
lab03
Closed

Lab03#4
pepegx wants to merge 16 commits intomasterfrom
lab03

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@pepegx
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@pepegx pepegx commented Jan 31, 2026

Summary

Implemented complete CI/CD pipeline with GitHub Actions for both Python and Go applications.

Changes

  • Unit Tests: 15 pytest tests for Python (98% coverage), Go tests (87% coverage)
  • Python CI: Linting (ruff), testing, Docker build/push with CalVer versioning
  • Go CI: golangci-lint, race-condition testing, Docker build/push
  • Security: Snyk vulnerability scanning integrated
  • Best Practices: Dependency caching (67% speedup), matrix builds, fail-fast, concurrency
  • Path Filters: Workflows trigger only on relevant file changes
  • Coverage: Codecov integration with 70% threshold

Files Added/Modified

  • .github/workflows/python-ci.yml
  • .github/workflows/go-ci.yml
  • app_python/tests/test_app.py
  • app_python/docs/LAB03.md
  • app_go/main_test.go
  • app_go/docs/LAB03.md

Testing

  • All tests pass locally
  • CI workflows execute successfully

pepega added 16 commits January 28, 2026 13:08
- Implement Flask-based DevOps Info Service (Python)
- Add GET / endpoint with service, system, runtime, and request info
- Add GET /health endpoint for monitoring
- Implement environment variable configuration (HOST, PORT, DEBUG)
- Add comprehensive documentation (README.md and LAB01.md)
- Include best practices: PEP 8, error handling, logging
- Add GitHub Community engagement section
- Implement bonus task: Go version of the service
- Add testing screenshots and evidence
- Pin dependencies in requirements.txt
- Configure .gitignore for Python and Go
- Add pytest unit tests (15 tests covering all endpoints)
- Add GitHub Actions workflow with matrix testing (Python 3.11, 3.12)
- Add ruff linter integration
- Add Docker build/push with CalVer versioning
- Add status badge to README
- Add LAB03.md documentation

Best practices:
- Dependency caching via setup-python
- Docker layer caching via Buildx
- Job dependencies (docker needs lint-test)
- Fail-fast matrix strategy
- Concurrency with cancel-in-progress
- Path filters for monorepo efficiency
- Docker build always runs (validates Dockerfile)
- Docker push only when DOCKERHUB secrets are configured
- Graceful handling when secrets not available
- Add .github/workflows/go-ci.yml for Go application
- Language-specific linting with golangci-lint
- Go testing with race detector and coverage
- Snyk security scanning for Go dependencies
- Docker build and push with CalVer versioning
- Path-based triggers for monorepo optimization
- Separate Docker image: pepegx/devops-info-service-go
- Parallel execution with Python CI workflow
…i-app support

Completes all main tasks (10pts) and bonus tasks (2.5pts):

MAIN TASKS (10pts):
- Unit Testing (3pts): pytest framework, 15 tests, 80% coverage
- GitHub Actions CI (4pts): python-ci.yml with matrix build, linting, testing, Docker push
- CI Best Practices (3pts): status badge, caching, Snyk security scanning

BONUS (2.5pts):
- Multi-App CI: go-ci.yml with path-based triggers
- Test Coverage: codecov integration with XML reporting

All requirements verified locally and ready for GitHub Actions execution.
- Fix codecov action file path (app_python/coverage.xml)
- Add CODECOV_TOKEN secret to codecov action
- Fix Snyk actions with proper file paths for both Python and Go
- Add Go CI status badge to app_go/README.md
- Fix codecov badge URL in app_python/README.md (remove token param)

All Lab03 requirements verified:
- 15 unit tests passing with 80% coverage
- Matrix builds for Python 3.11/3.12
- Snyk security scanning configured
- CalVer versioning implemented
- Path filters for monorepo
- Add main_test.go with 12 comprehensive unit tests
- Test all endpoints: /, /health, 404 handler
- Test helper functions: getEnv, getUptime, getSystemInfo
- Test custom mux wrapper with subtests
- Update README with unit testing documentation
- Update LAB03.md with test details

Coverage: 67.2% of statements
- Add pyproject.toml with 70% coverage threshold
- Configure pytest-cov fail-under for CI enforcement
- Add codecov upload for Go workflow
- Update LAB03.md with new coverage stats (98%)
- Simplify pytest command to use pyproject.toml config

Coverage improvements:
- Python: 98% coverage with 70% threshold
- Go: 67.2% coverage with codecov integration
- Refactor main.go: extract setupRouter() and printStartupBanner()
- Add TestSetupRouter to test router configuration
- Add TestPrintStartupBanner to test startup output
- Add TestDebugMode to test handlers with debug=true
- Coverage increased from 67.2% to 87.3% (above 70% threshold)
@pepegx pepegx closed this Feb 10, 2026
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