2019-12-09 03:34:28 +03:00

68 lines
1.9 KiB
Python

import json
import logging
import socket
import sys
import traceback
from xid import Xid
LEVELS = {
"DEBUG": 0,
"INFO": 1,
"WARN": 2,
"WARNING": 2,
"ERROR": 3
}
def new_xid():
return Xid().string()
class LogagHandler(logging.Handler):
def __init__(self, service_name: str, pod_name: str, ip: str, port: int):
super().__init__()
self.service_name = service_name
self.pod_name = pod_name
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
self.connection = (ip, port)
self.backup_handler = logging.StreamHandler(sys.stdout)
self.backup_handler.setFormatter(
logging.Formatter(u'[%(levelname)-8s][%(asctime)s][%(filename)s:%(lineno)d] %(message)s'))
self.backup_handler.setLevel(logging.INFO)
def __send_to_udp(self, data: dict):
data = json.dumps(data).encode('utf-8')
self.sock.sendto(data, self.connection)
def emit(self, record):
trace = None
if record.exc_info:
if isinstance(record.exc_info, tuple) and len(record.exc_info) == 3:
trace = ''.join(traceback.format_exception(*record.exc_info))
record.exc_info = None
# get xid
xid = getattr(record, "xid", None)
if xid is None or len(xid) != 20:
xid = new_xid()
msg = self.format(record)
try:
json_ = {
"timestamp": int(record.created * 1000),
"svc": self.service_name,
"pod": self.pod_name,
"xid": xid,
"lvl": LEVELS[record.levelname],
"msg": msg,
"trace": trace,
"requestId": getattr(record, "request_id", None),
}
self.__send_to_udp(json_)
except BaseException as e:
self.backup_handler.emit(record)