71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
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from __future__ import annotations
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from celery import signals
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from ..services.worker_registry_service import mark_worker_offline, register_worker
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def _normalize_worker_name(sender: object | None) -> str:
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if sender is None:
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return ""
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text = str(sender).strip()
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return text
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def _extract_queue_names(sender: object | None) -> list[str]:
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consumer = getattr(sender, "consumer", None)
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if consumer is None:
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return []
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queues = getattr(consumer, "queues", None)
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if queues is None:
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return []
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names: list[str] = []
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try:
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iterator = list(queues)
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except TypeError:
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iterator = []
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for item in iterator:
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name = getattr(item, "name", None)
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if name is None:
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continue
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value = str(name).strip()
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if value:
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names.append(value)
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return names
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@signals.worker_ready.connect
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def on_worker_ready(sender=None, **kwargs): # type: ignore[no-untyped-def]
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worker_name = _normalize_worker_name(sender)
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if not worker_name:
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return
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queues = _extract_queue_names(sender)
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register_worker(
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worker_name=worker_name,
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status="online",
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queues=queues,
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heartbeat_increment=False,
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metadata={"event": "worker_ready"},
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)
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@signals.heartbeat_sent.connect
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def on_worker_heartbeat(sender=None, **kwargs): # type: ignore[no-untyped-def]
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worker_name = _normalize_worker_name(sender)
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if not worker_name:
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return
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register_worker(
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worker_name=worker_name,
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status="online",
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heartbeat_increment=True,
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metadata={"event": "heartbeat_sent"},
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)
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@signals.worker_shutdown.connect
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def on_worker_shutdown(sender=None, **kwargs): # type: ignore[no-untyped-def]
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worker_name = _normalize_worker_name(sender)
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if not worker_name:
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return
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mark_worker_offline(worker_name)
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