fix(proxy): classify managed Redis reconnects - #3801
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Included review availability: Your plan includes up to 3 reviews per rolling hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe Redis client event contract now supports error and ready listeners. Routing invalidation tracks publisher and subscriber socket recovery, distinguishes expected socket recycling from unexpected errors, and logs reconnection events. Tests simulate client lifecycle events and validate recovery behavior. ChangesRedis recovery handling
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The change reclassifies expected managed Redis reconnects as warnings while preserving error logging for startup, unexpected, and exhausted-reconnect failures, with recovery logging after reconnect. No actionable merge-blocking risk remains beyond normal checks and review. Sequence Diagram(s)sequenceDiagram
participant RedisClient
participant RoutingInvalidationRedis
participant Logger
RedisClient->>RoutingInvalidationRedis: emit socket error
RoutingInvalidationRedis->>RoutingInvalidationRedis: mark recovery pending
RoutingInvalidationRedis->>Logger: warn for expected socket recycle
RedisClient->>RoutingInvalidationRedis: emit ready
RoutingInvalidationRedis->>Logger: log reconnection
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Inline comments:
In `@src/proxy/routing-invalidation-redis.test.ts`:
- Around line 192-207: Add publisher recovery coverage to the test around
redis.emitClientEvent: emit ready, SocketClosedUnexpectedlyError, and ready for
client index 0, then assert the expected “Proxy routing invalidation Redis
publisher reconnected” info log with the publisher client role, while preserving
the existing subscriber assertions.
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docs/api-reference/veryfront/extensions.mddocs/api-reference/veryfront/workflow.mdsrc/extensions/distributed/redis-runtime-provider.tssrc/proxy/routing-invalidation-redis.test.tssrc/proxy/routing-invalidation-redis.ts
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Codex Review: Didn't find any major issues. Keep it up! Reviewed commit: ℹ️ About Codex in GitHubYour team has set up Codex to review pull requests in this repo. Reviews are triggered when you
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Summary
SocketClosedUnexpectedlyErrorrecycle as a warning while node-redis reconnects.readyevent.Root cause
Live production and staging evidence shows each managed TLS socket is closed on an exact six-hour connection lifetime. Pods follow independent clocks based on startup time, all clients reconnect, and no reconnect-limit exhaustion occurred. The node-redis client emits
SocketClosedUnexpectedlyError, reconnects automatically, restores subscriptions, and emitsreadyafter resubscription.RED-GREEN
RED added a client-event regression that reproduced the managed recycle as an error with no recovery signal. GREEN observes both Redis clients, warns only for the established expected recycle, and records recovery after
ready. The same regression proves an unexpected authentication error remains at error level.Verification
deno test --preload=src/testing/preload.ts --no-check --allow-all src/proxy/routing-invalidation-redis.test.ts src/proxy/routing-invalidation.integration.test.ts, 2 tests, 13 steps passed.deno task docs:api-reference:check, passed.deno task lint:ci, passed.mainand rerunning the focused tests and generated-reference check passed.Tracks veryfront/veryfront-issue-inbox#18.
Summary by CodeRabbit