[compute] Add set host command

set host command is missing, add it as SetHost class.

Change-Id: I7acb94150718b7150598632cbebc3d85018a0d59

Author: jichenjc

doc/source/command-objects/host.rst

@@ -21,6 +21,41 @@ List all hosts
 
     Only return hosts in the availability zone
 
+host set
+--------
+
+Set host command
+
+.. program:: host set
+.. code:: bash
+
+    os host set
+        [--enable | --disable]
+        [--enable-maintenance | --disable-maintenance]
+        <host>
+
+.. _host-set:
+.. option:: --enable
+
+    Enable the host
+
+.. option:: --disable
+
+    Disable the host
+
+.. _maintenance-set:
+.. option:: --enable-maintenance
+
+    Enable maintenance mode for the host
+
+.. option:: --disable-maintenance
+
+    Disable maintenance mode for the host
+
+.. describe:: <host>
+
+    The host (name or ID)
+
 host show
 ---------
 

openstackclient/compute/v2/host.py

@@ -44,6 +44,63 @@ def take_action(self, parsed_args):
                 ) for s in data))
 
 
+class SetHost(command.Command):
+    """Set host properties"""
+    def get_parser(self, prog_name):
+        parser = super(SetHost, self).get_parser(prog_name)
+        parser.add_argument(
+            "host",
+            metavar="<host>",
+            help="The host to modify (name or ID)"
+        )
+        status = parser.add_mutually_exclusive_group()
+        status.add_argument(
+            '--enable',
+            action='store_true',
+            help='Enable the host'
+        )
+        status.add_argument(
+            '--disable',
+            action='store_true',
+            help='Disable the host'
+        )
+        maintenance = parser.add_mutually_exclusive_group()
+        maintenance.add_argument(
+            '--enable-maintenance',
+            action='store_true',
+            help='Enable maintenance mode for the host'
+        )
+        maintenance.add_argument(
+            '--disable-maintenance',
+            action='store_true',
+            help='Disable maintenance mode for the host',
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        kwargs = {}
+
+        if parsed_args.enable:
+            kwargs['status'] = True
+        if parsed_args.disable:
+            kwargs['status'] = False
+        if parsed_args.enable_maintenance:
+            kwargs['maintenance_mode'] = True
+        if parsed_args.disable_maintenance:
+            kwargs['maintenance_mode'] = False
+
+        compute_client = self.app.client_manager.compute
+        foundhost = utils.find_resource(
+            compute_client.hosts,
+            parsed_args.host
+        )
+
+        compute_client.hosts.update(
+            foundhost.id,
+            kwargs
+        )
+
+
 class ShowHost(command.Lister):
     """Show host command"""
 

openstackclient/tests/compute/v2/fakes.py

@@ -140,6 +140,9 @@ def __init__(self, **kwargs):
         self.keypairs = mock.Mock()
         self.keypairs.resource_class = fakes.FakeResource(None, {})
 
+        self.hosts = mock.Mock()
+        self.hosts.resource_class = fakes.FakeResource(None, {})
+
         self.auth_token = kwargs['token']
 
         self.management_url = kwargs['endpoint']
@@ -878,3 +881,56 @@ def create_networks(attrs={}, methods={}, count=2):
             networks.append(FakeNetwork.create_one_network(attrs, methods))
 
         return networks
+
+
+class FakeHost(object):
+    """Fake one host."""
+
+    @staticmethod
+    def create_one_host(attrs=None):
+        """Create a fake host.
+
+        :param Dictionary attrs:
+            A dictionary with all attributes
+        :return:
+            A FakeResource object, with id and other attributes
+        """
+        if attrs is None:
+            attrs = {}
+
+        # Set default attributes.
+        host_info = {
+            "id": 1,
+            "service_id": 1,
+            "host": "host1",
+            "uuid": 'host-id-' + uuid.uuid4().hex,
+            "vcpus": 10,
+            "memory_mb": 100,
+            "local_gb": 100,
+            "vcpus_used": 5,
+            "memory_mb_used": 50,
+            "local_gb_used": 10,
+            "hypervisor_type": "xen",
+            "hypervisor_version": 1,
+            "hypervisor_hostname": "devstack1",
+            "free_ram_mb": 50,
+            "free_disk_gb": 50,
+            "current_workload": 10,
+            "running_vms": 1,
+            "cpu_info": "",
+            "disk_available_least": 1,
+            "host_ip": "10.10.10.10",
+            "supported_instances": "",
+            "metrics": "",
+            "pci_stats": "",
+            "extra_resources": "",
+            "stats": "",
+            "numa_topology": "",
+            "ram_allocation_ratio": 1.0,
+            "cpu_allocation_ratio": 1.0
+        }
+        host_info.update(attrs)
+        host = fakes.FakeResource(
+            info=copy.deepcopy(host_info),
+            loaded=True)
+        return host

openstackclient/tests/compute/v2/test_host.py

@@ -0,0 +1,75 @@
+#   Copyright 2016 IBM Corporation
+#
+#   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.
+#
+
+from openstackclient.compute.v2 import host
+from openstackclient.tests.compute.v2 import fakes as compute_fakes
+
+
+class TestHost(compute_fakes.TestComputev2):
+
+    def setUp(self):
+        super(TestHost, self).setUp()
+
+        # Get a shortcut to the FlavorManager Mock
+        self.host_mock = self.app.client_manager.compute.hosts
+        self.host_mock.reset_mock()
+
+
+class TestHostSet(TestHost):
+
+    def setUp(self):
+        super(TestHostSet, self).setUp()
+
+        self.host = compute_fakes.FakeHost.create_one_host()
+        self.host_mock.get.return_value = self.host
+        self.host_mock.update.return_value = None
+
+        self.cmd = host.SetHost(self.app, None)
+
+    def test_host_set_no_option(self):
+        arglist = [
+            str(self.host.id)
+        ]
+        verifylist = [
+            ('host', str(self.host.id))
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+        self.assertIsNone(result)
+
+        body = {}
+        self.host_mock.update.assert_called_with(self.host.id, body)
+
+    def test_host_set(self):
+        arglist = [
+            '--enable',
+            '--disable-maintenance',
+            str(self.host.id)
+        ]
+        verifylist = [
+            ('enable', True),
+            ('enable_maintenance', False),
+            ('host', str(self.host.id))
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+        self.assertIsNone(result)
+
+        body = {'status': True, 'maintenance_mode': False}
+        self.host_mock.update.assert_called_with(self.host.id, body)

releasenotes/notes/bug-1556929-edd78cded88ecdc9.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Command ``host set`` is now available for compute
+    [Bug `1556929 <https://bugs.launchpad.net/python-openstackclient/+bug/1556929>`_]

setup.cfg

@@ -79,6 +79,7 @@ openstack.compute.v2 =
     flavor_unset = openstackclient.compute.v2.flavor:UnsetFlavor
 
     host_list = openstackclient.compute.v2.host:ListHost
+    host_set = openstackclient.compute.v2.host:SetHost
     host_show = openstackclient.compute.v2.host:ShowHost
 
     hypervisor_list = openstackclient.compute.v2.hypervisor:ListHypervisor