106 lines
3.7 KiB
Python
106 lines
3.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
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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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from anvil import colorizer
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from anvil import exceptions as excp
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from anvil import log as logging
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from anvil import shell as sh
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from anvil import utils
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from anvil.components import base_install as binstall
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from anvil.components import base_runtime as bruntime
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LOG = logging.getLogger(__name__)
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class OpenvswitchUninstaller(binstall.PkgUninstallComponent):
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def __init__(self, *args, **kwargs):
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binstall.PkgUninstallComponent.__init__(self, *args, **kwargs)
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self.runtime = self.siblings.get('running')
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def _del_bridge(self, name):
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cmd_template = self.distro.get_command('openvswitch', 'del_bridge')
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cmd = utils.expand_template_deep(cmd_template, {'NAME': name})
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try:
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sh.execute(cmd)
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except excp.ProcessExecutionError:
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LOG.warn("Failed to delete '%s' openvswitch bridge." % name)
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def pre_uninstall(self):
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bridges = self.get_option('bridges', default_value=[])
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if bridges:
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LOG.info("Attempting to delete %s bridges: %s."
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% (colorizer.quote(self.name), ", ".join(bridges)))
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LOG.info("Ensuring %s service is started before we use it."
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% colorizer.quote(self.name))
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self.runtime.start()
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self.runtime.wait_active()
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for bridge in bridges:
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self._del_bridge(bridge)
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class OpenvswitchInstaller(binstall.PkgInstallComponent):
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def __init__(self, *args, **kwargs):
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binstall.PkgInstallComponent.__init__(self, *args, **kwargs)
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self.runtime = self.siblings.get('running')
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def _add_bridge(self, name):
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cmd_template = self.distro.get_command('openvswitch', 'add_bridge')
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cmd = utils.expand_template_deep(cmd_template, {'NAME': name})
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try:
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sh.execute(cmd)
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except excp.ProcessExecutionError:
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LOG.warn("Failed to create '%s' openvswitch bridge." % name)
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def post_install(self):
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binstall.PkgInstallComponent.post_install(self)
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bridges = self.get_option('bridges', default_value=[])
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if bridges:
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LOG.info("Attempting to create %s bridges: %s."
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% (colorizer.quote(self.name), ", ".join(bridges)))
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LOG.info("Ensuring %s service is started before we use it."
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% colorizer.quote(self.name))
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self.runtime.start()
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self.runtime.wait_active()
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for bridge in bridges:
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self._add_bridge(bridge)
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def configure(self):
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# NOTE(skudriashev): configuration is not required for this component
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pass
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class OpenvswitchRuntime(bruntime.ServiceRuntime):
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@property
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def applications(self):
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return ["openvswitch"]
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def status_app(self, program):
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status_cmd = self.get_command("status", program)
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try:
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output = sh.execute(status_cmd, shell=True)[0]
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except excp.ProcessExecutionError:
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return False
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if utils.has_any(output, "is not running"):
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return False
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return True
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