Quantum Grizzly Upgrade Paths
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The document discusses three potential upgrade paths for the Quantum networking project in OpenStack Grizzly: 1. Upgrading between Quantum releases using database migrations and optional plugin-specific procedures. 2. Migrating from Nova network to Quantum by extracting network data from Nova's database and rebuilding networks in Quantum. 3. Potentially upgrading between Quantum plugins, but only if a clear use case is identified, with the implementation potentially occurring post-Grizzly.
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Quantum Grizzly Upgrade Paths
- 1. Openstack Grizzly Summit Quantum Upgrade Paths San Diego, California Tuesday, October 16th
- 2. Summary • Problem statement: THERE IS NO WAY TO PERFORM ANY KIND OF UPGRADE ON QUANTUM • Goal: MAKE SURE THAT FOR GRIZZLY QUANTUM HAS AN UPGRADE STORY
- 3. Upgrade Path 1: • From Quantum X to Quantum Y • DB Upgrade procedure – SQL alchemy migrations – For extension too • Handle properly plugin-specific extensions • Plugin specific upgrade operations – If needed, can be performed with plugin-specific procedure after db upgrade • MUST target Grizzly – possibly milestone #1 or #2
- 4. Upgrade Path 2 • From Nova-network to Quantum – Extract information from nova DB – Create Quantum logical model – Rebuild networks (fairly hard according to requirements) • Need to exactly scope what we want to achieve when migrating from nova-network • It would be awesome to have something for it in Grizzly!
- 5. Upgrade Path 3 • From Quantum Plugin A to Quantum Plugin B – Do we have a use case for this? – If yes, Should it be plugin-specific? • If a use case is agreed for it, can be implemented post Grizzly