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Merge "Implement network agents functionality"
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‎doc/source/command-objects/network-agent.rst‎

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=============
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network agent
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=============
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A **network agent** is an agent that handles various tasks used to
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implement virtual networks. These agents include neutron-dhcp-agent,
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neutron-l3-agent, neutron-metering-agent, and neutron-lbaas-agent,
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among others. The agent is available when the alive status of the
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agent is "True".
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Network v2
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network agent delete
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--------------------
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Delete network agent(s)
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.. program:: network agent delete
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.. code:: bash
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os network agent delete
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<network-agent> [<network-agent> ...]
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.. _network_agent_delete-network-agent:
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.. describe:: <network-agent>
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Network agent(s) to delete (ID only)
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network agent list
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------------------
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List network agents
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.. program:: network agent list
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.. code:: bash
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os network agent list
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network agent show
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------------------
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Display network agent details
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.. program:: network agent show
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.. code:: bash
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os network agent show
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<network-agent>
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.. _network_agent_show-network-agent:
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.. describe:: <network-agent>
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Network agent to display (ID only)

‎doc/source/commands.rst‎

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* ``mapping``: (**Identity**) a definition to translate identity provider attributes to Identity concepts
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* ``module``: (**Internal**) - installed Python modules in the OSC process
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* ``network``: (**Compute**, **Network**) - a virtual network for connecting servers and other resources
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* ``network agent``: (**Network**) - A network agent is an agent that handles various tasks used to implement virtual networks
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* ``network rbac``: (**Network**) - an RBAC policy for network resources
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* ``network segment``: (**Network**) - a segment of a virtual network
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* ``object``: (**Object Storage**) a single file in the Object Storage

‎functional/tests/network/v2/test_network_agent.py‎

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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 functional.common import test
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class NetworkAgentTests(test.TestCase):
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"""Functional tests for network agent. """
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IDs = None
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HEADERS = ['ID']
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FIELDS = ['id']
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@classmethod
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def test_network_agent_list(cls):
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opts = cls.get_opts(cls.HEADERS)
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raw_output = cls.openstack('network agent list' + opts)
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# get the list of network agent IDs.
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cls.IDs = raw_output.split('\n')
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def test_network_agent_show(self):
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opts = self.get_opts(self.FIELDS)
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raw_output = self.openstack('network agent show ' + self.IDs[0] + opts)
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self.assertEqual(self.IDs[0] + "\n", raw_output)

‎openstackclient/network/v2/network_agent.py‎

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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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#
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"""Network agent action implementations"""
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import logging
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from osc_lib.command import command
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from osc_lib import exceptions
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from osc_lib import utils
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from openstackclient.i18n import _
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LOG = logging.getLogger(__name__)
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def _format_admin_state(state):
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return 'UP' if state else 'DOWN'
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_formatters = {
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'admin_state_up': _format_admin_state,
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'configurations': utils.format_dict,
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}
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class DeleteNetworkAgent(command.Command):
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"""Delete network agent(s)"""
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def get_parser(self, prog_name):
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parser = super(DeleteNetworkAgent, self).get_parser(prog_name)
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parser.add_argument(
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'network_agent',
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metavar="<network-agent>",
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nargs='+',
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help=(_("Network agent(s) to delete (ID only)"))
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)
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return parser
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def take_action(self, parsed_args):
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client = self.app.client_manager.network
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result = 0
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for agent in parsed_args.network_agent:
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try:
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obj = client.get_agent(agent, ignore_missing=False)
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client.delete_agent(obj)
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except Exception as e:
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result += 1
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LOG.error(_("Failed to delete network agent with "
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"ID '%(agent)s': %(e)s"),
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{'agent': agent, 'e': e})
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if result > 0:
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total = len(parsed_args.network_agent)
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msg = (_("%(result)s of %(total)s network agents failed "
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"to delete.") % {'result': result, 'total': total})
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raise exceptions.CommandError(msg)
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class ListNetworkAgent(command.Lister):
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"""List network agents"""
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def take_action(self, parsed_args):
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client = self.app.client_manager.network
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columns = (
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'id',
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'agent_type',
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'host',
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'availability_zone',
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'alive',
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'admin_state_up',
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'binary'
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)
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column_headers = (
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'ID',
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'Agent Type',
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'Host',
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'Availability Zone',
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'Alive',
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'State',
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'Binary'
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)
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data = client.agents()
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return (column_headers,
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(utils.get_item_properties(
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s, columns, formatters=_formatters,
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) for s in data))
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class ShowNetworkAgent(command.ShowOne):
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"""Display network agent details"""
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def get_parser(self, prog_name):
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parser = super(ShowNetworkAgent, self).get_parser(prog_name)
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parser.add_argument(
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'network_agent',
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metavar="<network-agent>",
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help=(_("Network agent to display (ID only)"))
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)
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return parser
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def take_action(self, parsed_args):
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client = self.app.client_manager.network
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obj = client.get_agent(parsed_args.network_agent, ignore_missing=False)
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columns = tuple(sorted(list(obj.keys())))
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data = utils.get_item_properties(obj, columns, formatters=_formatters,)
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return columns, data

‎openstackclient/tests/network/v2/fakes.py‎

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return mock.MagicMock(side_effect=ports)
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class FakeNetworkAgent(object):
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"""Fake one or more network agents."""
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@staticmethod
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def create_one_network_agent(attrs=None):
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"""Create a fake network agent
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:param Dictionary attrs:
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A dictionary with all attributes
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:return:
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A FakeResource object, with id, agent_type, and so on.
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"""
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attrs = attrs or {}
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# Set default attributes
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agent_attrs = {
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'id': 'agent-id-' + uuid.uuid4().hex,
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'agent_type': 'agent-type-' + uuid.uuid4().hex,
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'host': 'host-' + uuid.uuid4().hex,
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'availability_zone': 'zone-' + uuid.uuid4().hex,
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'alive': True,
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'admin_state_up': True,
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'binary': 'binary-' + uuid.uuid4().hex,
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'configurations': {'subnet': 2, 'networks': 1},
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}
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agent_attrs.update(attrs)
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agent = fakes.FakeResource(info=copy.deepcopy(agent_attrs),
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loaded=True)
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return agent
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@staticmethod
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def create_network_agents(attrs=None, count=2):
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"""Create multiple fake network agents.
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:param Dictionary attrs:
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A dictionary with all attributes
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:param int count:
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The number of network agents to fake
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:return:
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A list of FakeResource objects faking the network agents
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"""
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agents = []
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for i in range(0, count):
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agents.append(FakeNetworkAgent.create_one_network_agent(attrs))
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return agents
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@staticmethod
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def get_network_agents(agents=None, count=2):
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"""Get an iterable MagicMock object with a list of faked network agents.
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If network agents list is provided, then initialize the Mock object
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with the list. Otherwise create one.
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:param List agents:
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A list of FakeResource objects faking network agents
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:param int count:
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The number of network agents to fake
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:return:
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An iterable Mock object with side_effect set to a list of faked
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network agents
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"""
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if agents is None:
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agents = FakeNetworkAgent.create_network_agents(count)
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return mock.MagicMock(side_effect=agents)
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class FakeNetworkRBAC(object):
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"""Fake one or more network rbac policies."""
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