Add maintenance notifications support for OSS API cluster clients#3946

Merged

petyaslavova merged 28 commits intomasterfrom

feat/hitless_upgrade_sync_cluster_client

Feb 13, 2026

Commits on Jan 29, 2026

Adding maintenance notification configuration to cluster client. Integration with testing helper proxy server. (#3844)
petyaslavova
committed
Adding OSS Notification Classes for SMIGRATING and SMIGRATED. Handling of SMIGRATING is completed and covered with tests. (#3849)
petyaslavova
committed
Adding handling of SMIGRATED push notifications (#3857)
petyaslavova
committed
Adding test coverage for cluster pubsub behavior with maihntenance push notifications. (#3860)
petyaslavova
committed
Applying the changes in the SMIGRATED notification format (#3868)
petyaslavova
committed
Wrapper for fault injector and mock proxy service + cluster maint notifications e2e tests for node slots migration and node fail over (#3882)

petyaslavova
and
Copilot
committed
Adding e2e maint notifications tests covering node migration and rebind (#3887)
petyaslavova
committed
Add e2e tests - validate new connections will receive maintenance notifications (#3921)
petyaslavova
authored

Commits on Feb 11, 2026