Oskar Kapala
07bd498fd6
- dockerized ken + chelsty HA test instances with template fixtures - snapshot/reset/wait scripts for fixture management - integration test infrastructure with separate marker - location_tag promoted from metadata to event payload (Phase 1 flag #3) - chelsty-infra target_url points to chelsty-ha via tailnet (Phase 1 flag #1) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
from __future__ import annotations
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import json
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import re
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import time
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from datetime import datetime, timezone
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from pathlib import Path
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from typing import Any
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from .models import EventRecord
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class EventEmitter:
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"""Writes atomic JSON event files to the events directory."""
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def __init__(
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self, events_dir: Path, node_name: str, location_tag: str = ""
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) -> None:
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self._events_dir = events_dir
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self._node_name = node_name
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self._location_tag = location_tag
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self._seq = 0
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events_dir.mkdir(parents=True, exist_ok=True)
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def _make_id(self, event_type: str, service: str) -> str:
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# Sequence suffix guarantees uniqueness even when multiple events of the
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# same type are emitted within the same millisecond.
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self._seq += 1
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ts = int(time.time())
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svc_slug = re.sub(r"[^a-z0-9]", "-", (service or "ha").lower())[:32].strip("-")
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return f"evt-{self._node_name}-{ts}-{event_type}-{svc_slug}-{self._seq}"
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def emit(
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self,
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event_type: str,
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severity: str,
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service: str,
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message: str,
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payload: dict[str, Any] | None = None,
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) -> str:
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event_id = self._make_id(event_type, service)
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merged: dict[str, Any] = {}
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if self._location_tag:
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merged["location_tag"] = self._location_tag
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merged.update(payload or {})
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record = EventRecord(
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id=event_id,
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timestamp=int(time.time()),
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date=datetime.now(timezone.utc).isoformat(),
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type=event_type,
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severity=severity,
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node=self._node_name,
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service=service,
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message=message,
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payload=merged,
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)
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path = self._events_dir / f"{event_id}.json"
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tmp = path.with_suffix(".tmp")
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tmp.write_text(json.dumps(record.model_dump(), indent=2))
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tmp.rename(path)
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return event_id
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