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zulip-platform-plugins/plugins/platforms
Abiba (pi) 48bc66b42f
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feat(zulip): Gen 4 — connection pool recovery, heartbeat logging, log sanitization
Fixes 4 critical reliability issues discovered during Zulip server outage recovery:

1. CLOSE-WAIT socket leak: _reconnect() now creates a fresh httpx.AsyncClient()
   when the queue expires, preventing stuck connection pool. Old client is
   explicitly aclose()'d.

2. Silent poll loop death: After sustained 502 errors, the poll loop was
   returning [] without logging — transport errors are swallowed by _api_call
   returning (None, 0). Added heartbeat logging every 5 minutes and silence
   detection warnings after 60s of no events.

3. HTTP client stuck pool: Added proactive client recreation after 20 consecutive
   empty polls (connection pool exhaustion detection) and periodic refresh every
   500 polls (connection reuse limit).

4. Log spam: 502 error responses from Netbird contain full HTML pages — now
   truncated to 80 chars with newlines stripped.

Also:
- Support ZULIP_URL env var (in addition to ZULIP_SITE)
- expose silence_seconds, consecutive_empty_polls, client_pool_resets in health stats
- Reduced health callback interval from 600s to 300s
2026-06-27 14:12:52 +00:00
..