cd51cbae16
This patch introduces `system_service` driver for services supported by Ansible. Change-Id: Ib22c7f2a83fb5acf3cb4b5e980ac798abdf54ae3
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from os_faults.drivers.services import process
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from os_faults.drivers import shared_schemas
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class SystemService(process.ServiceAsProcess):
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"""System service
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This is universal driver for any system services supported by Ansible
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(e.g. systemd, upstart). Please refer to Ansible documentation
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http://docs.ansible.com/ansible/latest/service_module.html for the
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whole list.
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**Example configuration:**
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.. code-block:: yaml
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services:
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app:
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driver: system_service
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args:
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service_name: app
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grep: my_app
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port: ['tcp', 4242]
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parameters:
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- **service_name** - name of a service
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- **grep** - regexp for grep to find process PID
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- **port** - tuple with two values - protocol, port number (optional)
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"""
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NAME = 'system_service'
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DESCRIPTION = 'System Service (systemd, upstart, SysV, etc.)'
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CONFIG_SCHEMA = {
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'type': 'object',
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'properties': {
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'service_name': {'type': 'string'},
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'grep': {'type': 'string'},
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'port': shared_schemas.PORT_SCHEMA,
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},
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'required': ['grep', 'service_name'],
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'additionalProperties': False,
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}
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def __init__(self, *args, **kwargs):
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super(SystemService, self).__init__(*args, **kwargs)
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self.service_name = self.config['service_name']
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def start(self, nodes=None):
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task = {
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'service': {
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'name': self.service_name, 'state': 'started'
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},
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}
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self._run_task(nodes, task, 'Start')
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def terminate(self, nodes=None):
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task = {
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'service': {
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'name': self.service_name, 'state': 'stopped',
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'pattern': self.grep,
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},
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}
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self._run_task(nodes, task, 'Terminate')
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def restart(self, nodes=None):
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task = {
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'service': {
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'name': self.service_name, 'state': 'restarted'
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},
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}
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self._run_task(nodes, task, 'Restart')
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