Prevent bug when launching apps on multiple clusters #15226
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luca3rd
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ENG-497-bug]-can-t-run-app-on-a-cluster-if-it-already-run-in-another
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luca3rd
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Let's also add a changelog entry in src/lightning_app/changelog.md? |
hhsecond
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manskx
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luca3rd
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tchaton
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Oct 28, 2022
| @@ -305,6 +292,15 @@ def dispatch( | |||
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| if find_instances_resp.lightningapps: | |||
| existing_instance = find_instances_resp.lightningapps[0] | |||
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| # TODO: support multiple instances / 1 instance per cluster | |||
| if existing_instance.spec.cluster_id != cluster_id: | |||
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@luca3rd I am confused about this. If the app already exists on a cluster, than it means the user is going to restart it when a new release.
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What does this PR do?
Stops a bug when cross-launching an app between clusters.
Currently the platform does not allow running multiple app instances. If you have
app-1running oncluster-1and try to run it oncluster-2, the CLI will succeed but the app will never start.This PR prevents this disconnect. The app should not be uploaded / released if it won't run. An error is presented to the user explaining what happened and how to proceed (specify a different
--name: e.g.app-2).Once the platform supports multiple app instances / running individual apps on multiple clusters, this PR can be reverted.
Does your PR introduce any breaking changes? If yes, please list them.
No
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