Monty Taylor 4b7476294e Update gerritbot to respond to VRFY +2/-2.
Change-Id: Iece4652e00b665137061709b4d3545b2f37eb248
2012-05-16 22:36:30 -04:00

222 lines
7.3 KiB
Python
Executable File

#! /usr/bin/env python
# The configuration file should look like:
"""
[ircbot]
nick=NICKNAME
pass=PASSWORD
channel=CHANNEL
server=irc.freenode.net
port=6667
[gerrit]
user=gerrit2
key=/path/to/id_rsa
host=review.example.com
port=29418
events=patchset-created, change-merged
branches=master
"""
import ircbot
import time
import subprocess
import threading
import select
import json
import sys
import ConfigParser
import daemon, daemon.pidlockfile
import traceback
class GerritBot(ircbot.SingleServerIRCBot):
def __init__(self, channel, nickname, password, server, port=6667):
if channel[0] != '#': channel = '#'+channel
ircbot.SingleServerIRCBot.__init__(self,
[(server, port)],
nickname, nickname)
self.channel = channel
self.nickname = nickname
self.password = password
def on_nicknameinuse(self, c, e):
c.nick(c.get_nickname() + "_")
c.privmsg("nickserv", "identify %s " % self.password)
c.privmsg("nickserv", "ghost %s %s" % (self.nickname, self.password))
c.privmsg("nickserv", "release %s %s" % (self.nickname, self.password))
time.sleep(1)
c.nick(self.nickname)
def on_welcome(self, c, e):
c.privmsg("nickserv", "identify %s "% self.password)
c.join(self.channel)
def send(self, msg):
self.connection.privmsg(self.channel, msg)
time.sleep(0.5)
class Gerrit(threading.Thread):
def __init__(self, ircbot, events, branches,
username, keyfile, server, port=29418):
threading.Thread.__init__(self)
self.ircbot = ircbot
self.events = events
self.branches = branches
self.username = username
self.keyfile = keyfile
self.server = server
self.port = port
self.proc = None
self.poll = select.poll()
def _open(self):
self.proc = subprocess.Popen(['/usr/bin/ssh', '-p', str(self.port),
'-i', self.keyfile,
'-l', self.username, self.server,
'gerrit', 'stream-events'],
bufsize=1,
stdin=None,
stdout=subprocess.PIPE,
stderr=None,
)
self.poll.register(self.proc.stdout)
def _close(self):
try:
self.poll.unregister(self.proc.stdout)
except:
pass
try:
self.proc.kill()
except:
pass
self.proc = None
def patchset_created(self, data):
if 'patchset-created' in self.events:
msg = '%s proposed a change to %s: %s %s' % (
data['patchSet']['uploader']['name'],
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
def comment_added(self, data):
if 'comment-added' in self.events:
msg = 'A comment has been added to a proposed change to %s: %s %s' % (
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
for approval in data.get('approvals', []):
if (approval['type'] == 'VRIF' and approval['value'] == '-2' and
'x-vrif-minus-2' in self.events):
msg = 'Verification of a change to %s failed: %s %s' % (
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
if (approval['type'] == 'VRIF' and approval['value'] == '2' and
'x-vrif-plus-2' in self.events):
msg = 'Verification of a change to %s succeeded: %s %s' % (
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
if (approval['type'] == 'CRVW' and approval['value'] == '-2' and
'x-crvw-minus-2' in self.events):
msg = 'A change to %s has been rejected: %s %s' % (
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
if (approval['type'] == 'CRVW' and approval['value'] == '2' and
'x-crvw-plus-2' in self.events):
msg = 'A change to %s has been approved: %s %s' % (
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
def change_merged(self, data):
if 'change-merged' in self.events:
msg = 'A change was merged to %s: %s %s' % (
data['change']['project'],
data['change']['subject'],
data['change']['url'])
self.ircbot.send(msg)
def _read(self):
l = self.proc.stdout.readline()
data = json.loads(l)
# If branches is specified, ignore notifications for other branches
if self.branches and data['change']['branch'] not in self.branches:
return
if data['type'] == 'comment-added':
self.comment_added(data)
elif data['type'] == 'patchset-created':
self.patchset_created(data)
elif data['type'] == 'change-merged':
self.change_merged(data)
def _listen(self):
while True:
ret = self.poll.poll()
for (fd, event) in ret:
if fd == self.proc.stdout.fileno():
if event == select.POLLIN:
self._read()
else:
raise Exception("event on ssh connection")
def _run(self):
try:
if not self.proc:
self._open()
self._listen()
except:
traceback.print_exc()
self._close()
time.sleep(5)
def run(self):
time.sleep(5)
while True:
self._run()
def _main():
config=ConfigParser.ConfigParser()
config.read(sys.argv[1])
bot = GerritBot(config.get('ircbot', 'channel'),
config.get('ircbot', 'nick'),
config.get('ircbot', 'pass'),
config.get('ircbot', 'server'),
config.getint('ircbot', 'port'))
g = Gerrit(bot,
config.get('gerrit', 'events'),
config.get('gerrit', 'branches'),
config.get('gerrit', 'user'),
config.get('gerrit', 'key'),
config.get('gerrit', 'host'),
config.getint('gerrit', 'port'))
g.start()
bot.start()
def main():
if len(sys.argv) != 2:
print "Usage: %s CONFIGFILE" % sys.argv[0]
sys.exit(1)
pid = daemon.pidlockfile.TimeoutPIDLockFile("/var/run/gerritbot/gerritbot.pid", 10)
with daemon.DaemonContext(pidfile=pid):
_main()
if __name__ == "__main__":
main()