67 lines
2.1 KiB
Python
67 lines
2.1 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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class SystemdService(process.ServiceAsProcess):
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"""Systemd service.
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Service as Systemd unit and can be controlled by `systemctl` CLI tool.
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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: systemd_service
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args:
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systemd_service: app
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grep: my_app
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port: ['tcp', 4242]
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parameters:
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- **systemd_service** - name of a service in systemd
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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 = 'systemd_service'
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DESCRIPTION = 'Service in Systemd'
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CONFIG_SCHEMA = {
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'type': 'object',
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'properties': {
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'systemd_service': {'type': 'string'},
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'grep': {'type': 'string'},
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'port': process.PORT_SCHEMA,
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'start_cmd': {'type': 'string'},
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'terminate_cmd': {'type': 'string'},
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'restart_cmd': {'type': 'string'},
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},
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'required': ['grep', 'systemd_service'],
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'additionalProperties': False,
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}
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def __init__(self, *args, **kwargs):
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super(SystemdService, self).__init__(*args, **kwargs)
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self.systemd_service = self.config['systemd_service']
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self.restart_cmd = 'sudo systemctl restart {}'.format(
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self.systemd_service)
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self.terminate_cmd = 'sudo systemctl stop {}'.format(
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self.systemd_service)
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self.start_cmd = 'sudo systemctl start {}'.format(
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self.systemd_service)
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