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