/
log_router.py
54 lines (42 loc) · 1.37 KB
/
log_router.py
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from collections import defaultdict
import zlib
import base64
import json
import boto3
import logging
import pyjq
logger = logging.getLogger()
logger.setLevel(logging.INFO)
lambda_client = boto3.client('lambda')
ROUTES = {
'glow-sync-event-metrics-adaptor': 'select(.ident | test("dabapps-firefly-glow-.*worker"))',
}
def decode_event(event):
return base64.b64decode(event['awslogs']['data'])
def decompress_event_data(compressed_event_data):
return zlib.decompress(compressed_event_data, 31)
def deserialize_event_data(event_data):
return json.loads(event_data)
def unpack_event(event):
zipped_data = decode_event(event)
serialized_data = decompress_event_data(zipped_data)
return deserialize_event_data(serialized_data)
def lambda_handler(event, context):
event_data = unpack_event(event)
if event_data['messageType'] != 'DATA_MESSAGE':
return
log_group = event_data['logGroup']
log_events = event_data['logEvents']
for event in log_events:
event['logGroup'] = log_group
for sub_handler, log_filter in ROUTES.items():
for event in pyjq.all(log_filter, log_events):
route(sub_handler, event)
def route(handler, event):
lambda_client.invoke(
FunctionName=route,
InvocationType='Event',
Payload=json.dumps(event),
)
def matches(log_filter, event):
return True