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feat(engine): clone and restart engines, reload project python across the cluster - #3214
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themaherkhalil
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Oct 26, 2026
themaherkhalil
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- Add CloneEngine: an owner clones an engine of any type into a private engine they own, with a copy of its files (H2 and SQLite database files, vector files, guardrail python, a virtual environment with its paths rewritten), smss, secrets, metadata and image. It applies the publisher and add rules for the type. A failed clone is cleaned up locally, in cloud storage and in the security database. Audited as ENGINE_CREATE.
- CloseEngine closes the engine on every node through a closeEngine sync event (ZooKeeper or Redis), under the engine lock.
- Add ReloadProject: clears the app modules python has cached (smss_clear_app_imports) in the project's and the user's python process, on every node through a reloadProject sync event.
- Project.close shuts down the project's python process.
- PULL_ENGINE and PULL_PROJECT reopen an engine or project that is open on the node; pushProjectSmss publishes PULL_PROJECT.
- Owners can clone their projects that are not templates (userCanCloneProject).
… the cluster - Add CloneEngine: an owner clones an engine of any type into a private engine they own, with a copy of its files (H2 and SQLite database files, vector files, guardrail python, a virtual environment with its paths rewritten), smss, secrets, metadata and image. It applies the publisher and add rules for the type. A failed clone is cleaned up locally, in cloud storage and in the security database. Audited as ENGINE_CREATE. - CloseEngine closes the engine on every node through a closeEngine sync event (ZooKeeper or Redis), under the engine lock. - Add ReloadProject: clears the app modules python has cached (smss_clear_app_imports) in the project's and the user's python process, on every node through a reloadProject sync event. - Project.close shuts down the project's python process. - PULL_ENGINE and PULL_PROJECT reopen an engine or project that is open on the node; pushProjectSmss publishes PULL_PROJECT. - Owners can clone their projects that are not templates (userCanCloneProject).
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