359525be40
we have been timing out on logs a lot, and not noticing. Redo this logic to be exception based so we can tell the IRC channel when we timeout on logs, to get to the bottom of reliability issues with indexing logstash data. Change-Id: Ia63d801235c6959eb7b97c334291a6d2f06411b6
288 lines
9.2 KiB
Python
Executable File
288 lines
9.2 KiB
Python
Executable File
#! /usr/bin/env python
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# The configuration file should look like:
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"""
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[ircbot]
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nick=NICKNAME
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pass=PASSWORD
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server=irc.freenode.net
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port=6667
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server_password=SERVERPASS
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channel_config=/path/to/yaml/config
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[gerrit]
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user=gerrit2
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"""
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# The yaml channel config should look like:
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"""
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openstack-qa:
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events:
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- positive
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- negative
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"""
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import argparse
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import ConfigParser
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import daemon
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import logging
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import logging.config
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import os
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import threading
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import time
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import yaml
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import irc.bot
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try:
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import daemon.pidlockfile
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pid_file_module = daemon.pidlockfile
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except Exception:
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# as of python-daemon 1.6 it doesn't bundle pidlockfile anymore
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# instead it depends on lockfile-0.9.1
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import daemon.pidfile
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pid_file_module = daemon.pidfile
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LOG = logging.getLogger('recheckwatchbot')
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class RecheckWatchBot(irc.bot.SingleServerIRCBot):
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def __init__(self, channels, nickname, password, server, port=6667,
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server_password=None):
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super(RecheckWatchBot, self).__init__(
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[(server, port, server_password)], nickname, nickname)
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self.channel_list = channels
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self.nickname = nickname
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self.password = password
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def on_nicknameinuse(self, c, e):
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LOG.info('Nick previously in use, recovering.')
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c.nick(c.get_nickname() + "_")
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c.privmsg("nickserv", "identify %s " % self.password)
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c.privmsg("nickserv", "ghost %s %s" % (self.nickname, self.password))
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c.privmsg("nickserv", "release %s %s" % (self.nickname, self.password))
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time.sleep(1)
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c.nick(self.nickname)
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LOG.info('Nick previously in use, recovered.')
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def on_welcome(self, c, e):
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LOG.info('Identifying with IRC server.')
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c.privmsg("nickserv", "identify %s " % self.password)
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LOG.info('Identified with IRC server.')
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for channel in self.channel_list:
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c.join(channel)
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LOG.info('Joined channel %s' % channel)
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time.sleep(0.5)
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def send(self, channel, msg):
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LOG.info('Sending "%s" to %s' % (msg, channel))
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self.connection.privmsg(channel, msg)
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time.sleep(0.5)
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class RecheckWatch(threading.Thread):
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def __init__(self, ircbot, channel_config, username,
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queries, host, key, commenting=True):
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super(RecheckWatch, self).__init__()
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self.ircbot = ircbot
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self.channel_config = channel_config
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self.username = username
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self.queries = queries
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self.host = host
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self.connected = False
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self.commenting = commenting
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self.key = key
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def new_error(self, channel, data):
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msg = '%s change: %s failed tempest with an unrecognized error' % (
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data['change']['project'],
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data['change']['url'])
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LOG.info('Compiled Message %s: %s' % (channel, msg))
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self.ircbot.send(channel, msg)
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def error_found(self, channel, data):
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msg = ('%s change: %s failed tempest because of: ' % (
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data['change']['project'],
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data['change']['url']))
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bug_urls = ['https://bugs.launchpad.net/bugs/%s' % x for x
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in data['bug_numbers']]
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msg += ' and '.join(bug_urls)
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LOG.info('Compiled Message %s: %s' % (channel, msg))
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self.ircbot.send(channel, msg)
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def print_msg(self, channel, msg):
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self.ircbot.send(channel, msg)
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def _read(self, data={}, msg=""):
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for channel in self.channel_config.channels:
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if msg:
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if channel in self.channel_config.events['negative']:
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self.print_msg(channel, msg)
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elif data.get('bug_numbers'):
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if channel in self.channel_config.events['positive']:
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self.error_found(channel, data)
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else:
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if channel in self.channel_config.events['negative']:
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self.new_error(channel, data)
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def run(self):
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# Import here because it needs to happen after daemonization
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import elastic_recheck.elasticRecheck as er
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classifier = er.Classifier(self.queries)
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stream = er.Stream(self.username, self.host, self.key)
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while True:
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try:
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event = stream.get_failed_tempest()
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change = event['change']['number']
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rev = event['patchSet']['number']
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change_id = "%s,%s" % (change, rev)
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project = event['change']['project']
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bug_numbers = classifier.classify(change, rev)
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if not bug_numbers:
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self._read(event)
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else:
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event['bug_numbers'] = bug_numbers
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self._read(data=event)
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if self.commenting:
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stream.leave_comment(project, change_id, bug_numbers)
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except er.ResultTimedOut as e:
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LOG.warn(e.msg)
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self._read(msg=e.msg)
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except Exception:
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LOG.exception("Uncaught exception processing event.")
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class ChannelConfig(object):
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def __init__(self, data):
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self.data = data
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keys = data.keys()
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for key in keys:
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if key[0] != '#':
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data['#' + key] = data.pop(key)
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self.channels = data.keys()
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self.events = {}
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for channel, val in self.data.iteritems():
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for event in val['events']:
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event_set = self.events.get(event, set())
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event_set.add(channel)
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self.events[event] = event_set
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def get_options():
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parser = argparse.ArgumentParser(
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description="IRC bot for elastic recheck bug reporting")
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parser.add_argument('-f', '--foreground',
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default=False,
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action='store_true',
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help="Run in foreground")
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parser.add_argument('-n', '--nocomment',
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default=False,
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action='store_true',
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help="Don't comment in gerrit. Useful in testing.")
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parser.add_argument('conffile', nargs=1, help="Configuration file")
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return parser.parse_args()
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def _main(args, config):
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setup_logging(config)
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fp = config.get('ircbot', 'channel_config')
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if fp:
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fp = os.path.expanduser(fp)
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if not os.path.exists(fp):
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raise Exception("Unable to read layout config file at %s" % fp)
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else:
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raise Exception("Channel Config must be specified in config file.")
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channel_config = ChannelConfig(yaml.load(open(fp)))
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bot = RecheckWatchBot(
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channel_config.channels,
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config.get('ircbot', 'nick'),
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config.get('ircbot', 'pass'),
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config.get('ircbot', 'server'),
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config.getint('ircbot', 'port'),
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config.get('ircbot', 'server_password'))
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recheck = RecheckWatch(
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bot,
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channel_config,
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config.get('gerrit', 'user'),
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config.get('gerrit', 'query_file'),
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config.get('gerrit', 'host', 'review.openstack.org'),
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config.get('gerrit', 'key'),
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not args.nocomment
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)
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recheck.start()
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bot.start()
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def main():
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args = get_options()
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config = ConfigParser.ConfigParser({'server_password': None})
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config.read(args.conffile)
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if config.has_option('ircbot', 'pidfile'):
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pid_fn = os.path.expanduser(config.get('ircbot', 'pidfile'))
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else:
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pid_fn = '/var/run/elastic-recheck/elastic-recheck.pid'
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if args.foreground:
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_main(args, config)
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else:
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pid = pid_file_module.TimeoutPIDLockFile(pid_fn, 10)
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with daemon.DaemonContext(pidfile=pid):
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_main(args, config)
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def setup_logging(config):
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"""Turn down dependent library log levels so they aren't noise."""
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FORMAT = '%(asctime)s %(levelname)-8s [%(name)-15s] %(message)s'
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DATEFMT = '%Y-%m-%d %H:%M:%S'
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# set 3rd party library logging levels to sanity points
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loglevels = {
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"irc.client": logging.INFO,
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"gerrit.GerritWatcher": logging.INFO,
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"paramiko.transport": logging.INFO,
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"pyelasticsearch": logging.INFO,
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"requests.packages.urllib3.connectionpool": logging.WARN
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}
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for module in loglevels:
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log = logging.getLogger(module)
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log.setLevel(loglevels[module])
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if config.has_option('ircbot', 'log_config'):
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log_config = config.get('ircbot', 'log_config')
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fp = os.path.expanduser(log_config)
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if not os.path.exists(fp):
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raise Exception("Unable to read logging config file at %s" % fp)
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logging.config.fileConfig(fp)
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else:
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logging.basicConfig(
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level=logging.DEBUG,
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format=FORMAT,
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datefmt=DATEFMT
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)
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if __name__ == "__main__":
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main()
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