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# 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 abc
import six
from openstackclient.common import command
@six.add_metaclass(abc.ABCMeta)
class NetworkAndComputeCommand(command.Command):
"""Network and Compute Command
Command class for commands that support implementation via
the network or compute endpoint. Such commands have different
implementations for take_action() and may even have different
arguments.
"""
def take_action(self, parsed_args):
if self.app.client_manager.is_network_endpoint_enabled():
return self.take_action_network(self.app.client_manager.network,
parsed_args)
else:
return self.take_action_compute(self.app.client_manager.compute,
parsed_args)
def get_parser(self, prog_name):
self.log.debug('get_parser(%s)', prog_name)
parser = super(NetworkAndComputeCommand, self).get_parser(prog_name)
parser = self.update_parser_common(parser)
self.log.debug('common parser: %s', parser)
if self.app.client_manager.is_network_endpoint_enabled():
return self.update_parser_network(parser)
else:
return self.update_parser_compute(parser)
def update_parser_common(self, parser):
"""Default is no updates to parser."""
return parser
def update_parser_network(self, parser):
"""Default is no updates to parser."""
return parser
def update_parser_compute(self, parser):
"""Default is no updates to parser."""
return parser
@abc.abstractmethod
def take_action_network(self, client, parsed_args):
"""Override to do something useful."""
pass
@abc.abstractmethod
def take_action_compute(self, client, parsed_args):
"""Override to do something useful."""
pass
@six.add_metaclass(abc.ABCMeta)
class NetworkAndComputeLister(command.Lister):
"""Network and Compute Lister
Lister class for commands that support implementation via
the network or compute endpoint. Such commands have different
implementations for take_action() and may even have different
arguments.
"""
def take_action(self, parsed_args):
if self.app.client_manager.is_network_endpoint_enabled():
return self.take_action_network(self.app.client_manager.network,
parsed_args)
else:
return self.take_action_compute(self.app.client_manager.compute,
parsed_args)
def get_parser(self, prog_name):
self.log.debug('get_parser(%s)', prog_name)
parser = super(NetworkAndComputeLister, self).get_parser(prog_name)
parser = self.update_parser_common(parser)
self.log.debug('common parser: %s', parser)
if self.app.client_manager.is_network_endpoint_enabled():
return self.update_parser_network(parser)
else:
return self.update_parser_compute(parser)
def update_parser_common(self, parser):
"""Default is no updates to parser."""
return parser
def update_parser_network(self, parser):
"""Default is no updates to parser."""
return parser
def update_parser_compute(self, parser):
"""Default is no updates to parser."""
return parser
@abc.abstractmethod
def take_action_network(self, client, parsed_args):
"""Override to do something useful."""
pass
@abc.abstractmethod
def take_action_compute(self, client, parsed_args):
"""Override to do something useful."""
pass
@six.add_metaclass(abc.ABCMeta)
class NetworkAndComputeShowOne(command.ShowOne):
"""Network and Compute ShowOne
ShowOne class for commands that support implementation via
the network or compute endpoint. Such commands have different
implementations for take_action() and may even have different
arguments.
"""
def take_action(self, parsed_args):
if self.app.client_manager.is_network_endpoint_enabled():
return self.take_action_network(self.app.client_manager.network,
parsed_args)
else:
return self.take_action_compute(self.app.client_manager.compute,
parsed_args)
def get_parser(self, prog_name):
self.log.debug('get_parser(%s)', prog_name)
parser = super(NetworkAndComputeShowOne, self).get_parser(prog_name)
parser = self.update_parser_common(parser)
self.log.debug('common parser: %s', parser)
if self.app.client_manager.is_network_endpoint_enabled():
return self.update_parser_network(parser)
else:
return self.update_parser_compute(parser)
def update_parser_common(self, parser):
"""Default is no updates to parser."""
return parser
def update_parser_network(self, parser):
"""Default is no updates to parser."""
return parser
def update_parser_compute(self, parser):
"""Default is no updates to parser."""
return parser
@abc.abstractmethod
def take_action_network(self, client, parsed_args):
"""Override to do something useful."""
pass
@abc.abstractmethod
def take_action_compute(self, client, parsed_args):
"""Override to do something useful."""
pass
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