86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
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import os
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import json
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import datetime
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import uuid
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import socket
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EVENTS_BASE_DIR = os.getenv("RUNTIME_PATH", "/opt/homelab") + "/events"
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def emit_event(event_type, severity, source, service, correlation_id, payload=None):
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"""
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Emits a normalized JSON event to the filesystem.
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"""
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if payload is None:
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payload = {}
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node = socket.gethostname()
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now = datetime.datetime.now(datetime.timezone.utc)
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timestamp = now.strftime("%Y-%m-%dT%H:%M:%SZ")
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date_dir = now.strftime("%Y-%m-%d")
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event_dir = os.path.join(EVENTS_BASE_DIR, date_dir, node)
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os.makedirs(event_dir, exist_ok=True)
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event_id = str(uuid.uuid4())
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filename = f"{timestamp}_{event_type}_{event_id}.json"
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event_path = os.path.join(event_dir, filename)
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event_data = {
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"timestamp": timestamp,
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"node": node,
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"type": event_type,
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"severity": severity,
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"source": source,
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"service": service,
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"correlation_id": correlation_id,
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"payload": payload
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}
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with open(event_path, "w") as f:
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json.dump(event_data, f, indent=2)
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return event_path
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def list_events(date_str=None, node=None):
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"""
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Lists paths to event files for a specific date and/or node.
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"""
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if date_str is None:
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date_str = datetime.datetime.now(datetime.timezone.utc).strftime("%Y-%m-%d")
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search_path = os.path.join(EVENTS_BASE_DIR, date_str)
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if node:
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search_path = os.path.join(search_path, node)
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if not os.path.exists(search_path):
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return []
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event_files = []
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for root, dirs, files in os.walk(search_path):
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for file in files:
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if file.endswith(".json"):
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event_files.append(os.path.join(root, file))
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return sorted(event_files)
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def get_event(event_path):
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"""
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Reads and parses an event file.
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"""
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with open(event_path, "r") as f:
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return json.load(f)
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if __name__ == "__main__":
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# Simple CLI for emitting events from Python
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import sys
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if len(sys.argv) > 1 and sys.argv[1] == "emit":
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# emit <type> <severity> <source> <service> <cid> [payload_json]
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etype = sys.argv[2]
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sev = sys.argv[3]
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src = sys.argv[4]
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svc = sys.argv[5]
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cid = sys.argv[6]
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payload = json.loads(sys.argv[7]) if len(sys.argv) > 7 else {}
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path = emit_event(etype, sev, src, svc, cid, payload)
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print(f"Event emitted: {path}")
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