Description

Conduct a comprehensive review of the Barbican eventlet removal implementation to ensure quality, correctness, and alignment with OpenStack best practices.

Review Scope

This story covers the review of the implementation work completed in OSPRH-18333, including:

Code Review Areas:

• Requirements changes: Removal of eventlet dependency from requirements.txt
• Command modules: Removal of eventlet imports and monkey_patch calls from:
• barbican/cmd/worker.py
• barbican/cmd/keystone_listener.py
• barbican/cmd/retry_scheduler.py
• Queue implementation: Migration from eventlet to threading executor in oslo.messaging
• Test updates: Removal of eventlet from test files

Technical Validation:

• Verify threading executor provides equivalent functionality to eventlet
• Ensure no regression in RPC server and notification server behavior
• Confirm compatibility with oslo.messaging threading model
• Validate test coverage and functionality preservation

Documentation Review:

• Review commit message and change documentation
• Verify alignment with OpenStack eventlet removal guidelines
• Ensure proper linking to community goals and resources

Upstream Review

• Gerrit Review: https://review.opendev.org/c/openstack/barbican/+/955301
• Implementation Story: OSPRH-18333

Acceptance Criteria

• [ ] Code changes reviewed and approved
• [ ] No functional regressions identified
• [ ] Implementation aligns with OpenStack eventlet removal best practices
• [ ] Upstream review feedback addressed (if any)
• [ ] Final approval for merge provided

Related Work

• Implementation Story: OSPRH-18333 - Remove eventlet dependency from Barbican and migrate to threading executor
• Community Goal: https://governance.openstack.org/tc/goals/selected/remove-eventlet.html
• Migration Guide: https://wiki.openstack.org/wiki/Eventlet-removal