53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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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Start and Stop systemd services
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"""
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import dbus
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import logging
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logger = logging.getLogger('heat.engine.systemctl')
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def systemctl(method, name, instance=None):
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bus = dbus.SystemBus()
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sysd = bus.get_object('org.freedesktop.systemd1',
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'/org/freedesktop/systemd1')
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actual_method = ''
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if method == 'start':
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actual_method = 'StartUnit'
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elif method == 'stop':
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actual_method = 'StopUnit'
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else:
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raise
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m = sysd.get_dbus_method(actual_method, 'org.freedesktop.systemd1.Manager')
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if instance == None:
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service = '%s.service' % (name)
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else:
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service = '%s@%s.service' % (name, instance)
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try:
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result = m(service, 'replace')
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except dbus.DBusException as e:
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logger.error('couldn\'t %s %s error: %s' % (method, name, e))
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return None
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return result
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