deb-heat/heat/common/systemd.py
Jason Dunsmore af464c9afc Make the first line of every file consistent.
Change-Id: I2e1a809cfca8e88693551d58d33e747f54ee5eb1
2014-03-04 09:03:04 -06:00

46 lines
1.3 KiB
Python

#
# Copyright 2012 Red Hat, Inc.
#
# 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.
"""
Helper module for systemd start-up completion notification.
Used for "onready" configuration parameter in heat.conf
"""
import os
import socket
from heat.openstack.common import log as logging
logger = logging.getLogger(__name__)
def _sd_notify(msg):
sysd = os.getenv('NOTIFY_SOCKET')
if sysd:
sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)
if sysd.startswith('@'):
# abstract namespace socket
sysd = '\0%s' % sysd[1:]
sock.connect(sysd)
sock.sendall(msg)
sock.close()
else:
logger.warning(_('Unable to notify systemd of startup completion:'
' NOTIFY_SOCKET not set'))
def notify():
_sd_notify('READY=1')