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#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import eventlet
eventlet.monkey_patch()
import contextlib
import os
import sys
import zmq
# If ../nova/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
os.pardir,
os.pardir))
if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')):
sys.path.insert(0, POSSIBLE_TOPDIR)
from nova import config
from nova import exception
from nova.openstack.common import cfg
from nova.openstack.common import log as logging
from nova.openstack.common import rpc
from nova.openstack.common.rpc import impl_zmq
from nova import utils
CONF = cfg.CONF
CONF.register_opts(rpc.rpc_opts)
CONF.register_opts(impl_zmq.zmq_opts)
def main():
config.parse_args(sys.argv)
logging.setup("nova")
utils.monkey_patch()
ipc_dir = CONF.rpc_zmq_ipc_dir
# Create the necessary directories/files for this service.
if not os.path.isdir(ipc_dir):
try:
utils.execute('mkdir', '-p', ipc_dir, run_as_root=True)
utils.execute('chown', "%s:%s" % (os.getuid(), os.getgid()),
ipc_dir, run_as_root=True)
utils.execute('chmod', '750', ipc_dir, run_as_root=True)
except exception.ProcessExecutionError:
logging.error(_("Could not create IPC socket directory."))
return
with contextlib.closing(impl_zmq.ZmqProxy(CONF)) as reactor:
consume_in = "tcp://%s:%s" % \
(CONF.rpc_zmq_bind_address,
CONF.rpc_zmq_port)
consumption_proxy = impl_zmq.InternalContext(None)
reactor.register(consumption_proxy,
consume_in, zmq.PULL, out_bind=True)
reactor.consume_in_thread()
reactor.wait()
if __name__ == '__main__':
main()
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