Files
schleppeUPSConsumption/logger.py

90 lines
2.5 KiB
Python

#!/bin/usr/python3
import logging
import os
import json
import uuid
from datetime import datetime, date
import urllib.request
from utils import getConfig, timezoneOffset
config = getConfig()
LOGGER_NAME = config['logger']['name']
esHost = config['elastic']['host']
esPort = config['elastic']['port']
esApiKey = config['elastic']['apiKey']
systemTimezone = timezoneOffset()
class ESHandler(logging.Handler):
def __init__(self, *args, **kwargs):
self.host = kwargs.get('host')
self.port = kwargs.get('port')
self.apiKey = kwargs.get('apiKey')
self.date = date.today()
self.sessionID = uuid.uuid4()
logging.StreamHandler.__init__(self)
def emit(self, record):
self.format(record)
datetimeTemplate = '%Y-%m-%dT%H:%M:%S.%f{}'.format(systemTimezone)
timestamp = datetime.fromtimestamp(record.created).strftime(datetimeTemplate)
headers = { 'Content-Type': 'application/json' }
indexURL = 'http://{}:{}/{}-{}/_doc'.format(self.host, self.port, LOGGER_NAME, self.date.strftime('%Y.%m.%d'))
if self.apiKey:
headers['Authorization'] = 'ApiKey {}'.format(self.apiKey)
doc = {
'severity': record.levelname,
'message': record.message,
'@timestamp': timestamp,
'sessionID': str(self.sessionID)
}
if hasattr(record, 'es'):
for param in record.es.values():
if ': {}'.format(param) in record.message:
doc['message'] = record.message.replace(': {}'.format(str(param)), '')
doc = {**record.es, **doc}
payload = json.dumps(doc).encode('utf8')
try:
req = urllib.request.Request(indexURL, data=payload, headers=headers)
response = urllib.request.urlopen(req)
response = response.read().decode('utf8')
return response
except Exception as err:
print('Error from elastic logs:', str(err))
class ElasticFieldParameterAdapter(logging.LoggerAdapter):
def __init__(self, logger, extra={}):
super().__init__(logger, extra)
def process(self, msg, kwargs):
if kwargs == {}:
return (msg, kwargs)
extra = kwargs.get("extra", {})
extra.update({"es": kwargs.pop("es", True)})
kwargs["extra"] = extra
return (msg, kwargs)
logger = logging.getLogger(LOGGER_NAME)
logger.setLevel(logging.DEBUG)
ch = logging.StreamHandler()
ch.setLevel(logging.WARNING)
eh = ESHandler(host=esHost, port=esPort, apiKey=esApiKey)
eh.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s %(levelname)8s | %(message)s')
logger.addHandler(ch)
logger.addHandler(eh)
logger = ElasticFieldParameterAdapter(logger)