1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
import datetime
import logging
from messages.message import Message
from utils.origins import Origin
from utils.inventory_mgr import InventoryMgr
from utils.logging.logger import Logger
class MongoLoggingHandler(logging.Handler):
"""
Logging handler for MongoDB
"""
SOURCE_SYSTEM = 'Calipso'
def __init__(self, env: str, level: str, origin: Origin = None):
super().__init__(Logger.get_numeric_level(level))
self.str_level = level
self.env = env
self.inv = None
self.origin = origin
def emit(self, record):
# Try to invoke InventoryMgr for logging
if not self.inv:
try:
self.inv = InventoryMgr()
except:
return
# make sure we do not try to log to DB when DB is not ready
if not (self.inv.is_db_ready()
and 'messages' in self.inv.collections):
return
# make ID from current timestamp
now = datetime.datetime.utcnow()
d = now - datetime.datetime(1970, 1, 1)
timestamp_id = '{}.{}.{}'.format(d.days, d.seconds, d.microseconds)
source = self.SOURCE_SYSTEM
message = Message(msg_id=timestamp_id, env=self.env, source=source,
msg=Logger.formatter.format(record), ts=now,
level=record.levelname)
if self.origin:
message.extra['origin_id'] = (
str(self.origin.origin_id)
if self.origin.origin_id
else None
)
message.extra['origin_type'] = (
self.origin.origin_type.value
if self.origin.origin_type
else None
)
for extra_field in self.origin.extra:
message.extra[extra_field] = getattr(self.origin, extra_field)
self.inv.collections['messages'].insert_one(message.get())
|