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-rw-r--r--vicn/resource/linux/service.py83
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diff --git a/vicn/resource/linux/service.py b/vicn/resource/linux/service.py
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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2017 Cisco and/or its affiliates.
+#
+# 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.
+#
+
+import logging
+
+from vicn.core.exception import ResourceNotFound
+from vicn.core.resource import CategoryResource
+from vicn.core.task import inline_task, BashTask, EmptyTask
+from vicn.resource.linux.application import LinuxApplication
+
+log = logging.getLogger(__name__)
+
+CMD_START = 'service {service_name} start'
+CMD_STOP = 'service {service_name} stop'
+CMD_RESTART = 'service {service_name} restart'
+CMD_STOP_START = 'service {service_name} stop && sleep 1 && ' \
+ 'service {service_name} start'
+
+class Service(LinuxApplication):
+ """Service resource
+
+ This resource wraps a Linux Service, and ensure the service is started
+ (resp. stopped) during setup (resp. teardown).
+
+ Required tags:
+ __service_name__ (str): all classes that inherit from Service should
+ inform this tag which gives the name of the service known to the
+ system.
+
+ TODO:
+ * Support for upstart, sysvinit and systemd services.
+ * Start and Stop method
+ * Status attribute
+ """
+
+ __type__ = CategoryResource
+
+
+
+ @inline_task
+ def __get__(self):
+ raise ResourceNotFound
+
+ def __method_restart__(self):
+ return BashTask(self.node, CMD_RESTART,
+ {'service_name': self.__service_name__})
+
+ def __method_start__(self):
+ return BashTask(self.node, CMD_START,
+ {'service_name': self.__service_name__})
+
+
+ def __create__(self):
+ if self.__service_name__ == 'lxd':
+ log.warning('Not restarting LXD')
+ return EmptyTask()
+
+ if self.__service_name__ == 'dnsmasq':
+ return BashTask(self.node, CMD_STOP_START,
+ {'service_name': self.__service_name__})
+
+ return self.__method_restart__()
+
+
+ def __delete__(self):
+ return BashTask(self.node, CMD_STOP,
+ {'service_name': self.__service_name__})
+