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fix(ume): block WSS until startup REST alarm sync completes

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-06-04 21:52:39 +08:00
parent 7a729413ab
commit e62f4f2c74
3 changed files with 39 additions and 47 deletions
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76
netx_api/main.py
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@ -50,6 +50,7 @@ from .ume_alarm_ws import (
get_subscription_status,
get_ws_connection_status,
get_ws_logs,
is_startup_alarm_sync_pending,
is_wss_active_for_current_alarms,
load_persisted_subscription,
request_ws_reconnect,
@ -286,34 +287,20 @@ def _fail_stale_running_sync_jobs_on_startup() -> None:
db.close()
def _needs_startup_alarm_sync_before_ws() -> bool:
ume_url = str(getattr(settings, "ume_base_url", "") or "").strip()
return bool(
getattr(settings, "ume_startup_sync_alarms_before_ws", True)
and getattr(settings, "ume_alarm_ws_enabled", True)
and getattr(settings, "ume_sync_alarms_current_enabled", True)
and ume_url
)
def _startup_alarm_pull_delay_s() -> int:
return max(0, min(3600, int(getattr(settings, "ume_startup_alarm_sync_delay_s", 60) or 60)))
def _startup_wss_grace_s() -> int:
return max(0, min(3600, int(getattr(settings, "ume_startup_wss_grace_s", 180) or 180)))
def _ume_alarm_ws_enabled() -> bool:
return bool(getattr(settings, "ume_alarm_ws_enabled", True))
def _should_defer_rest_current_sync() -> tuple[bool, str]:
"""Skip scheduled REST when WSS owns current alarms or grace period after boot."""
if (
bool(getattr(settings, "ume_sync_alarms_current_skip_when_ws", True))
and is_wss_active_for_current_alarms()
):
return True, "WSS 实时接收中，已跳过 REST 同步"
if not _ume_alarm_ws_enabled():
return False, ""
grace_end = float(_startup_alarm_pull_delay_s() + _startup_wss_grace_s())
if time.monotonic() - _BOOT_MONO < grace_end:
left = grace_end - (time.monotonic() - _BOOT_MONO)
return True, f"等待 WSS 连接（REST 兜底约 {left:.0f}s 后）"
return False, ""
def _wait_until_startup_alarm_pull_allowed(label: str) -> None:
delay_s = _startup_alarm_pull_delay_s()
if delay_s <= 0:
@ -326,25 +313,14 @@ def _wait_until_startup_alarm_pull_allowed(label: str) -> None:
def _run_startup_alarm_sync_before_ws() -> None:
"""REST-sync current alarms once on boot before WSS connects (avoids stale/reconcile races)."""
ume_url = str(getattr(settings, "ume_base_url", "") or "").strip()
alarms_enabled = bool(getattr(settings, "ume_sync_alarms_current_enabled", True))
ws_enabled = bool(getattr(settings, "ume_alarm_ws_enabled", True))
before_ws = bool(getattr(settings, "ume_startup_sync_alarms_before_ws", True))
if not (before_ws and ws_enabled and alarms_enabled and ume_url):
"""REST-sync current alarms once on boot; WSS gate must already be closed in on_startup."""
if not _needs_startup_alarm_sync_before_ws():
complete_startup_alarm_sync_gate()
return
_wait_until_startup_alarm_pull_allowed("startup_alarm_sync")
if not before_ws:
_schedule_log.info("startup: skip REST snapshot before WSS (ume_startup_sync_alarms_before_ws=false)")
complete_startup_alarm_sync_gate()
return
begin_startup_alarm_sync_gate()
try:
_schedule_log.info("startup: syncing current alarms before WSS (legacy mode)")
_schedule_log.info("startup: REST current-alarm snapshot (WSS blocked until finished)")
_set_runtime_task(
"alarms_current_auto_sync",
status="running",
@ -707,6 +683,14 @@ def on_startup() -> None:
Base.metadata.create_all(bind=engine)
_reset_runtime_pause_flags()
_fail_stale_running_sync_jobs_on_startup()
if _needs_startup_alarm_sync_before_ws():
begin_startup_alarm_sync_gate()
_schedule_log.info(
"startup: WSS blocked until initial REST current-alarm sync completes (delay=%ss)",
_startup_alarm_pull_delay_s(),
)
else:
complete_startup_alarm_sync_gate()
db = SessionLocal()
try:
from .collection_recovery import recover_collection_jobs_on_startup
@ -900,12 +884,22 @@ def on_startup() -> None:
if _runtime_is_paused("alarms_current_auto_sync"):
time.sleep(1)
continue
defer, defer_reason = _should_defer_rest_current_sync()
if defer:
if is_startup_alarm_sync_pending():
_refresh_runtime_task_idle(
"alarms_current_auto_sync",
"alarms_current",
last_error=defer_reason,
last_error="启动 REST 全量同步未完成，定时 REST 与 WSS 均待命",
)
time.sleep(10)
continue
if (
bool(getattr(settings, "ume_sync_alarms_current_skip_when_ws", True))
and is_wss_active_for_current_alarms()
):
_refresh_runtime_task_idle(
"alarms_current_auto_sync",
"alarms_current",
last_error="WSS 实时接收中，已跳过 REST 同步",
)
time.sleep(max(30, min(alarms_interval_s, 300)))
continue