Add Gitlab support

[natifridman]

No description provided.

[github-actions]

GitLab Integration PR Review

Executive Summary

This is an impressive and well-executed feature addition that adds comprehensive GitLab support to the Ambient Code Platform. The code quality is high, follows established patterns from the GitHub integration, and demonstrates strong attention to detail in error handling, security, and user experience.

Overall Assessment: ✅ APPROVED with minor suggestions

The implementation is production-ready with proper:

• Authentication and authorization patterns
• Error handling and user-friendly error messages
• Comprehensive documentation
• Integration tests
• Security considerations (token storage, RBAC)

---

🌟 Strengths

1. Excellent Code Organization

• Clean package structure (gitlab/ package with logical separation)
• Proper separation of concerns (client, connection, token, parser, logger)
• Consistent with existing GitHub integration patterns
• Well-documented with clear comments

2. Security Best Practices ✅

• ✅ No panics found - All error handling uses explicit returns
• ✅ Token security - Tokens stored in Kubernetes Secrets, never logged
• ✅ Proper use of user-scoped K8s clients where appropriate
• ✅ Request ID tracking for debugging without exposing sensitive data
• ✅ URL redaction in logs (gitlab/logger.go:RedactURL)

3. Robust Error Handling

• User-friendly error messages with remediation guidance
• Structured error types (types.GitLabAPIError)
• HTTP status code mapping to actionable messages
• Provider-specific guidance (types/errors.go:GetProviderSpecificGuidance)

4. Production-Ready Features

• Pagination support for large repositories
• Timeout configuration (15s default for API calls)
• Self-hosted GitLab instance support
• Comprehensive integration tests
• Backward compatibility testing

5. Outstanding Documentation 📚

• 4 comprehensive markdown docs (600+ lines each!)
• API endpoint documentation
• Testing procedures and integration test plans
• Token setup guides
• Self-hosted GitLab configuration

---

🔍 Code Quality Review

Authentication & Authorization Patterns ✅

Handlers follow correct patterns:

// handlers/gitlab_auth.go - Correct use of user context
userID, exists := c.Get("userID")
if !exists {
    c.JSON(http.StatusUnauthorized, ...)
    return
}

Error Handling Excellence ✅

Proper error wrapping:

// gitlab/client.go:48
return nil, fmt.Errorf("failed to create request: %w", err)

User-friendly error mapping:

// gitlab/client.go:126-148
case 401:
    apiError.Message = "GitLab token is invalid or expired"
    apiError.Remediation = "Please reconnect your GitLab account..."

Type Safety ✅

Proper use of unstructured access:

// git/operations.go:72 - Safe type assertion with check
if spec, ok := obj.Object["spec"].(map[string]interface{}); ok {
    if v, ok := spec["runnerSecretsName"].(string); ok {
        settings.RunnerSecret = strings.TrimSpace(v)
    }
}

---

⚠️ Issues & Recommendations

1. Context Usage - Low Priority

Location: handlers/gitlab_auth.go:85

Uses context.Background() instead of request context:

ctx := context.Background()

Recommendation:

// Use request context for cancellation propagation
ctx := c.Request.Context()
connection, err := h.connectionManager.StoreGitLabConnection(ctx, ...)

Priority: Low - Current implementation works, but proper context usage improves cancellation handling

---

2. URL Encoding - Minor Suggestion

Location: gitlab/client.go:354-364

Current implementation:

encodedPath := ""
for _, ch := range filePath {
    if ch == '/' {
        encodedPath += "%2F"
    } else if ch == '.' {
        encodedPath += "%2E"
    } else {
        encodedPath += string(ch)
    }
}

Suggestion: Use standard library

import "net/url"

encodedPath := url.PathEscape(filePath)

Benefit: Handles all special characters correctly, more maintainable

Priority: Low - Current implementation works for common cases

---

3. Pagination Safety Limits

Location: gitlab/client.go:262-264

// Safety limit to prevent infinite loops
if page > 100 {
    return nil, fmt.Errorf("exceeded pagination limit (100 pages)")
}

Excellent defensive programming! This prevents infinite loops and runaway API calls.

Consideration: 100 pages × 100 items = 10,000 items max. For very large repos, consider:

• Making this configurable
• Adding a warning log at 50 pages
• Documentation noting this limit

Priority: Low - 10K items is reasonable for most repos

---

🧪 Testing Assessment

Test Coverage ✅

Comprehensive integration tests:

• Phase 1: GitLab account connection
• Phase 2: Repository configuration
• Phase 3: Token validation
• Phase 4: Repository operations
• Backward compatibility tests

Recommendation: Add unit tests for:

• URL parsing edge cases
• Error mapping logic
• Pagination boundary conditions

Priority: Medium - Integration tests are excellent, unit tests would improve confidence

---

🔒 Security Review

✅ Secure Token Handling

1. Storage: Kubernetes Secrets with proper namespacing
2. Logging: Tokens never logged (only len(token))
3. Transport: HTTPS enforced for all API calls
4. Cleanup: Token deletion on disconnect

✅ RBAC Integration

• Uses user-scoped K8s clients for authorization checks
• Proper permission validation before operations
• Service account only for authorized backend operations

✅ Input Validation

• URL parsing and validation
• Repository access checks before operations
• Token validation before storage

No security concerns identified.

---

📊 Performance Considerations

Positive:

• ✅ HTTP client with 15-second timeout
• ✅ Pagination support prevents memory issues
• ✅ Safety limits on pagination loops
• ✅ Efficient token caching in Secrets

Suggestions:

• Consider connection pooling for HTTP client (reuse across requests)
• Add metrics/logging for slow API calls
• Consider rate limiting awareness (GitLab.com: 300 req/min)

Priority: Low - Current implementation is performant for typical use

---

📝 Documentation Quality

Outstanding Documentation:

1. docs/gitlab-integration.md (716 lines)
2. docs/gitlab-token-setup.md (649 lines)
3. docs/gitlab-self-hosted.md (879 lines)
4. docs/api/gitlab-endpoints.md (600 lines)

This is exceptional documentation! 🎉

---

🎯 Pre-Merge Checklist

✅ Completed:

• Code follows project patterns (CLAUDE.md)
• No panics in production code
• Proper error handling with context
• Token security (no logging, proper storage)
• User-scoped authentication where required
• Integration tests provided
• Comprehensive documentation
• Backward compatibility maintained
• CRD updated (projectsettings-crd.yaml)

📋 Recommended Before Merge:

• Run Go linting: cd components/backend && golangci-lint run
• Run Go formatting: gofmt -w components/backend
• Run integration tests with real GitLab instance
• Verify backward compatibility (GitHub repos still work)

🔮 Future Enhancements (Not Blocking):

• Add unit tests for edge cases
• Consider using url.PathEscape() for URL encoding
• Add metrics/observability for GitLab API calls
• Consider rate limiting awareness/throttling
• Use request context consistently instead of context.Background()

---

🎓 Lessons & Patterns to Replicate

This PR demonstrates excellent patterns that should be template for future provider integrations:

1. Package structure: gitlab/ with client, connection, token, parser modules
2. Error types: Structured errors with remediation guidance
3. Testing: Phase-based integration tests with clear documentation
4. Documentation: Comprehensive user-facing and API docs
5. Security: Token storage, redaction, and proper RBAC
6. UX: User-friendly error messages with actionable remediation

If adding another Git provider (Bitbucket, Gitea, etc.), this PR is the blueprint to follow.

---

🏆 Final Verdict

LGTM! ✅ Approved

This is production-ready code that demonstrates:

• Strong adherence to project standards
• Excellent security practices
• Comprehensive error handling
• Outstanding documentation
• Thoughtful UX considerations

The suggestions above are minor improvements, none are blocking. The code quality meets or exceeds project standards, and the feature is well-tested and documented.

Recommendation: Merge after running linting checks and verifying integration tests pass.

---

👏 Acknowledgments

Excellent work on this feature! The attention to detail, comprehensive documentation, and adherence to project patterns is commendable. The GitLab integration will be a valuable addition to the platform.

Special highlights:

• 🔒 Security best practices throughout
• 📚 Exceptional documentation (4 comprehensive guides!)
• 🧪 Thoughtful integration tests with multiple phases
• 🎨 Consistent code patterns with existing codebase
• 💡 User-friendly error messages with remediation

Great job! 🎉

[github-actions]

Pull Request Review: GitLab Support Integration

Overview

This is a substantial feature addition (8,547 additions) that adds comprehensive GitLab support to the Ambient Code Platform.

✅ Strengths

Architecture

• Excellent package structure with clear separation (client, parser, token, connection, logger)
• Provider abstraction pattern allowing seamless GitHub/GitLab switching
• Comprehensive documentation (5 markdown files, ~3,600 lines)

Security

• Proper token redaction in logs
• Secure storage in Kubernetes secrets
• Well-designed OAuth2-style token injection

Error Handling

• User-friendly error messages with remediation steps
• UUID-based request tracking
• Provider-specific guidance

Testing

• Comprehensive integration tests (396 lines)
• Regression tests for backward compatibility
• Detailed testing documentation

⚠️ Critical Issues

1. Authentication Pattern Violations

Location: handlers/gitlab_auth.go lines 196-197

The handler uses backend service account instead of user-scoped clients. Per CLAUDE.md "Backend Development Standards", all user-facing endpoints MUST use GetK8sClientsForRequest(c).

Required fixes:

• Use GetK8sClientsForRequest(c) for user-scoped clients
• Return 401 if user token is missing/invalid
• Only use backend service account for writing secrets after validation

2. Manual URL Encoding (Security Risk)

Location: gitlab/client.go lines 354-364, 393-403

Manual character-by-character URL encoding is incomplete and could allow injection attacks. Use Go standard library url.PathEscape() instead.

3. Nil Check Order Bug

Location: git/operations.go line 316

len(entries) > 0 || entries \!= nil will panic if entries is nil. Fix: entries \!= nil && len(entries) > 0

4. Missing Context Timeouts

Location: handlers/gitlab_auth.go line 85

Using context.Background() for external API calls can hang indefinitely. Use context.WithTimeout() instead.

5. Linting Required

Run golangci-lint run in components/backend/ per CLAUDE.md standards.

💡 Suggestions

• Add rate limiting protection (GitLab: 300 req/min limit)
• Token expiration handling mechanism
• Break up git/operations.go (1,598 lines)
• Add contract tests for API schemas
• Document pagination limits (currently hardcoded at 10,000 items)

🚀 Blocking Issues (Must Fix)

1. Fix authentication pattern in gitlab_auth.go
2. Replace manual URL encoding with url.PathEscape()
3. Fix nil check order
4. Add context timeouts
5. Run golangci-lint and resolve issues

Estimated effort: 2-4 hours

Summary

Well-architected feature with excellent documentation and testing. Fix the blocking authentication and security issues, then ready to merge. Great work on the comprehensive GitLab integration! 🎉

---

Generated by Claude Code Review

[RanPollak]

@natifridman According to your latest update we are waiting for the UI changes as it's dependent to this contribution.
Only after the change we may have to solve some conflicts that may detect.

Update this info here so it's clear to all the relevant.

[Gkrumbach07]

Tracked in Jira: https://issues.redhat.com/browse/RHOAIENG-39120 (same as PR #339)

[dgutride]

this appears to be a duplicate of a newer one - moving to closed (please re-open if necessary)