Remove unused pyopenssl and boto dependencies

[dguido]

Summary

• Remove pyopenssl from core dependencies: community.crypto 3.0.3 removed pyopenssl backend from ALL modules, now uses only cryptography
• Remove boto (legacy) from AWS optional deps: Algo only uses boto3/botocore

Verification

pyopenssl

• Code search: No Python files import OpenSSL/pyopenssl
• community.crypto 3.0.3 CHANGELOG confirms pyopenssl backend was removed from ALL modules
• Runtime test in isolated venv without pyopenssl: all modules work, all 101 tests pass

boto (legacy)

• Code search: No code imports old boto (only boto3/botocore)
• library/lightsail_region_facts.py uses boto3 and botocore, NOT old boto
• amazon.aws collection requires only boto3 >= 1.34.0
• Runtime test in isolated venv without boto: all modules work, all 101 tests pass

Test plan

• Unit tests pass (101 passed)
• Ansible playbook syntax checks pass
• Pre-commit hooks pass
• Verified in isolated test environments

🤖 Generated with Claude Code

[claude]

Code Review for PR #14882: Remove unused pyopenssl and boto dependencies

Summary

This PR removes two dependencies that are no longer needed:

1. pyopenssl - Removed from core dependencies
2. boto (legacy) - Removed from AWS optional dependencies

Code Quality Assessment ✅

Excellent work! This is a clean, well-justified dependency cleanup that follows best practices.

Strengths:

1. Thorough verification - PR description shows comprehensive testing approach
2. Conservative approach - Aligns perfectly with CLAUDE.md guidance on dependency management
3. Security-focused - Removes unused dependencies (reduces attack surface)
4. Minimal impact - Only touches pyproject.toml and uv.lock (auto-generated)

Technical Analysis

pyopenssl Removal ✅

• Justification verified: The codebase uses community.crypto modules extensively:
  • openssl_privatekey, openssl_csr_pipe, x509_certificate, etc.
  • Located in: roles/strongswan/tasks/openssl.yml, roles/wireguard/tasks/keys.yml, playbooks/cloud-pre.yml
• No explicit backend specification: All modules use default backend (now cryptography only)
• Comment updated: playbooks/cloud-pre.yml:36 already notes pyOpenSSL is in pyproject.toml
• No Python imports found: Confirmed no import OpenSSL or from OpenSSL in codebase

Verdict: Safe to remove. community.crypto 3.0.3 uses only the cryptography backend.

boto (legacy) Removal ✅

• Confirmed: Only boto3 and botocore are imported in the codebase
• Verified in code: library/lightsail_region_facts.py:51,58 imports botocore and boto3 (NOT old boto)
• No legacy boto imports: Searched entire codebase - zero results for import boto\b
• Modern AWS SDK: boto3 >= 1.34.0 is the current standard

Verdict: Safe to remove. Legacy boto library is not used anywhere.

Best Practices Alignment 🎯

This PR follows CLAUDE.md guidelines perfectly:

✅ Conservative dependency updates (Section: Dependency Updates)
✅ Security-focused - Reduces dependency footprint (Section: Security Considerations)
✅ Documented reasoning - Clear explanation in PR description (Section: Pull Request Standards)
✅ Test coverage - Mentions all 101 tests pass (Section: Testing Requirements)

Potential Concerns: None Found ❌

After thorough review, I found no issues:

• ✅ No backwards compatibility concerns
• ✅ No security regressions
• ✅ No breaking changes
• ✅ No missing dependencies
• ✅ Lockfile updated correctly (uv.lock revision bump)

Recommendations

1. Before merge: Run the full test suite to confirm:

   pytest tests/unit/ -v
   ansible-playbook main.yml --syntax-check
   ansible-playbook users.yml --syntax-check
   ansible-lint

2. Post-merge monitoring: Watch for any community.crypto issues in the wild, though this is extremely low risk given:

   • The PR author's thorough testing in isolated environments
   • community.crypto 3.0.3 is pinned in requirements.yml
   • No backend parameter usage in codebase

Security Assessment 🔒

Positive impact: Removing unused dependencies is a security best practice:

• Smaller attack surface
• Fewer packages to monitor for CVEs
• Reduced supply chain risk
• Cleaner dependency tree

Performance Impact: Negligible

Removing unused dependencies will:

• Slightly reduce installation time
• Slightly reduce disk space usage
• No runtime impact (dependencies weren't being used)

Conclusion

LGTM - Ready to merge! 🚀

This is exemplary maintenance work. The PR is:

• Well-researched and thoroughly tested
• Aligned with project guidelines
• Low risk with clear benefits
• Properly documented

The only suggestion is to ensure CI passes before merging, but the changes are straightforward and the verification methodology is sound.

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Review performed by Claude Code - analyzed codebase structure, dependency usage patterns, and alignment with project guidelines.