v1.15 Backports 2024-05-30 #32802
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v1.15 Backports 2024-05-30 #32802
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[ upstream commit 2750123 ] The only reason for that function to return an error is that the parent context expired, which happens if the agent is being shut down while the synchronization has not yet completed. Hence, let's just return, rather than triggering a fatal error. Signed-off-by: Marco Iorio <marco.iorio@isovalent.com>
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[ upstream commit cc7c27d ] [ backporter's notes: hit multiple conflicts in clustermesh.go due to the different surrounding context, addressed with minor adaptations; additionally dropped the endpointslicesync and release notes related hunks, as not relevant in this context. ] Upon agent and operator restart, we need to wait for full clustermesh synchronization in multiple subsystems, to prevent breaking existing cross-cluster connections due to e.g., garbage collection of valid but not yet retrieved entries for a given remote cluster. However, the absence of a timeout controlling this process is problematic as well, as the impossibility of connecting to a remote cluster (e.g., due to a misconfiguration) can cause issues for local communication to the blocked GC operations. Let's standardize the different wait for synchronization functions to automatically return after a user configurable timeout (tunable via the clustermesh-sync-timeout, and set to 1 minute by default) elapses. This mimics and replaces the already existing timeout used to unblock endpoint regeneration, generalizing it to all the other resources as well. The existing flag is deprecated, but it still takes precedence for consistency with the existing behavior. Signed-off-by: Marco Iorio <marco.iorio@isovalent.com>
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aanm
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Jun 3, 2024
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