Add dns-domain support to Network object

Add "dns-domain" parameter to Network class. Also check
backend extensions and send an error message in case of
an argument (like dns-domain) is sent and the extension is
missing (dns-integration in this case).

Change-Id: I7303658c27d9b9f2d8381ccea0b29e96909cab54
Closes-Bug: 1633214
Partial-Bug: 1547736

doc/source/cli/command-objects/network.rst

@@ -33,6 +33,7 @@ Create new network
         [--provider-segment <provider-segment>]
         [--qos-policy <qos-policy>]
         [--transparent-vlan | --no-transparent-vlan]
+        [--dns-domain <dns-domain>]
         [--tag <tag> | --no-tag]
         <name>
 
@@ -173,6 +174,10 @@ Create new network
 
     *Network version 2 only*
 
+.. option:: --dns-domain <dns-domain>
+
+    Set DNS domain for this network (requires DNS integration extension).
+
 .. option:: --tag <tag>
 
     Tag to be added to the network (repeat option to set multiple tags)
@@ -367,6 +372,7 @@ Set network properties
         [--provider-physical-network <provider-physical-network>]
         [--provider-segment <provider-segment>]
         [--qos-policy <qos-policy> | --no-qos-policy]
+        [--dns-domain <dns-domain>]
         [--tag <tag>] [--no-tag]
         <network>
 
@@ -446,6 +452,10 @@ Set network properties
 
     Remove the QoS policy attached to this network
 
+.. option:: --dns-domain <dns-domain>
+
+    Set DNS domain for this network (requires DNS integration extension).
+
 .. option:: --tag <tag>
 
     Tag to be added to the network (repeat option to set multiple tags)

openstackclient/network/common.py

@@ -12,6 +12,7 @@
 #
 
 import abc
+import contextlib
 import logging
 
 import openstack.exceptions
@@ -24,6 +25,30 @@ from openstackclient.i18n import _
 
 LOG = logging.getLogger(__name__)
 
+_required_opt_extensions_map = {
+    'allowed_address_pairs': 'allowed-address-pairs',
+    'dns_domain': 'dns-integration',
+    'dns_name': 'dns-integration',
+    'extra_dhcp_opts': 'extra_dhcp_opt',
+    'qos_policy_id': 'qos',
+    'security_groups': 'security-groups',
+}
+
+
+@contextlib.contextmanager
+def check_missing_extension_if_error(client_manager, attrs):
+    # If specified option requires extension, then try to
+    # find out if it exists. If it does not exist,
+    # then an exception with the appropriate message
+    # will be thrown from within client.find_extension
+    try:
+        yield
+    except openstack.exceptions.HttpException:
+        for opt, ext in _required_opt_extensions_map.items():
+            if opt in attrs:
+                client_manager.find_extension(ext, ignore_missing=False)
+        raise
+
 
 @six.add_metaclass(abc.ABCMeta)
 class NetworkAndComputeCommand(command.Command):

openstackclient/network/v2/network.py

@@ -134,6 +134,9 @@ def _get_attrs_network(client_manager, parsed_args):
         attrs['qos_policy_id'] = _qos_policy.id
     if 'no_qos_policy' in parsed_args and parsed_args.no_qos_policy:
         attrs['qos_policy_id'] = None
+    # Update DNS network options
+    if parsed_args.dns_domain:
+        attrs['dns_domain'] = parsed_args.dns_domain
     return attrs
 
 
@@ -171,6 +174,13 @@ def _add_additional_network_options(parser):
         dest='segmentation_id',
         help=_("VLAN ID for VLAN networks or Tunnel ID for "
                "GENEVE/GRE/VXLAN networks"))
+    parser.add_argument(
+        '--dns-domain',
+        metavar='<dns-domain>',
+        dest='dns_domain',
+        help=_("Set DNS domain for this network "
+               "(requires DNS integration extension)")
+    )
 
 
 # TODO(sindhu): Use the SDK resource mapped attribute names once the
@@ -308,8 +318,10 @@ class CreateNetwork(common.NetworkAndComputeShowOne):
             attrs['vlan_transparent'] = True
         if parsed_args.no_transparent_vlan:
             attrs['vlan_transparent'] = False
-
+        with common.check_missing_extension_if_error(
+                self.app.client_manager.network, attrs):
             obj = client.create_network(**attrs)
+
         # tags cannot be set when created, so tags need to be set later.
         _tag.update_tags_for_set(client, obj, parsed_args)
         display_columns, columns = _get_columns_network(obj)
@@ -690,6 +702,8 @@ class SetNetwork(command.Command):
 
         attrs = _get_attrs_network(self.app.client_manager, parsed_args)
         if attrs:
+            with common.check_missing_extension_if_error(
+                    self.app.client_manager.network, attrs):
                 client.update_network(obj, **attrs)
 
         # tags is a subresource and it needs to be updated separately.

openstackclient/network/v2/port.py

@@ -25,6 +25,7 @@ from osc_lib import utils
 
 from openstackclient.i18n import _
 from openstackclient.identity import common as identity_common
+from openstackclient.network import common
 from openstackclient.network import sdk_utils
 from openstackclient.network.v2 import _tag
 
@@ -278,8 +279,8 @@ def _add_updatable_args(parser):
     )
     parser.add_argument(
         '--dns-name',
-        metavar='dns-name',
+        metavar='<dns-name>',
-        help=_("Set DNS name to this port "
+        help=_("Set DNS name for this port "
                "(requires DNS integration extension)")
     )
 
@@ -434,7 +435,10 @@ class CreatePort(command.ShowOne):
         if parsed_args.qos_policy:
             attrs['qos_policy_id'] = client.find_qos_policy(
                 parsed_args.qos_policy, ignore_missing=False).id
+        with common.check_missing_extension_if_error(
+                self.app.client_manager.network, attrs):
             obj = client.create_port(**attrs)
+
         # tags cannot be set when created, so tags need to be set later.
         _tag.update_tags_for_set(client, obj, parsed_args)
         display_columns, columns = _get_columns(obj)
@@ -785,6 +789,8 @@ class SetPort(command.Command):
             attrs['data_plane_status'] = parsed_args.data_plane_status
 
         if attrs:
+            with common.check_missing_extension_if_error(
+                    self.app.client_manager.network, attrs):
                 client.update_port(obj, **attrs)
 
         # tags is a subresource and it needs to be updated separately.

openstackclient/tests/unit/network/v2/fakes.py

@@ -335,6 +335,7 @@ class FakeNetwork(object):
             'name': 'network-name-' + uuid.uuid4().hex,
             'status': 'ACTIVE',
             'description': 'network-description-' + uuid.uuid4().hex,
+            'dns_domain': 'example.org.',
             'mtu': '1350',
             'tenant_id': 'project-id-' + uuid.uuid4().hex,
             'admin_state_up': True,

openstackclient/tests/unit/network/v2/test_network.py

@@ -60,6 +60,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
         'availability_zone_hints',
         'availability_zones',
         'description',
+        'dns_domain',
         'id',
         'ipv4_address_scope',
         'ipv6_address_scope',
@@ -84,6 +85,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
         utils.format_list(_network.availability_zone_hints),
         utils.format_list(_network.availability_zones),
         _network.description,
+        _network.dns_domain,
         _network.id,
         _network.ipv4_address_scope_id,
         _network.ipv6_address_scope_id,
@@ -162,6 +164,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
             "--qos-policy", self.qos_policy.id,
             "--transparent-vlan",
             "--enable-port-security",
+            "--dns-domain", "example.org.",
             self._network.name,
         ]
         verifylist = [
@@ -181,6 +184,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
             ('transparent_vlan', True),
             ('enable_port_security', True),
             ('name', self._network.name),
+            ('dns_domain', 'example.org.'),
         ]
 
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -204,6 +208,7 @@ class TestCreateNetworkIdentityV3(TestNetwork):
             'qos_policy_id': self.qos_policy.id,
             'vlan_transparent': True,
             'port_security_enabled': True,
+            'dns_domain': 'example.org.',
         })
         self.assertEqual(self.columns, columns)
         self.assertEqual(self.data, data)
@@ -287,6 +292,7 @@ class TestCreateNetworkIdentityV2(TestNetwork):
         'availability_zone_hints',
         'availability_zones',
         'description',
+        'dns_domain',
         'id',
         'ipv4_address_scope',
         'ipv6_address_scope',
@@ -311,6 +317,7 @@ class TestCreateNetworkIdentityV2(TestNetwork):
         utils.format_list(_network.availability_zone_hints),
         utils.format_list(_network.availability_zones),
         _network.description,
+        _network.dns_domain,
         _network.id,
         _network.ipv4_address_scope_id,
         _network.ipv6_address_scope_id,
@@ -901,6 +908,7 @@ class TestSetNetwork(TestNetwork):
             '--name', 'noob',
             '--share',
             '--description', self._network.description,
+            '--dns-domain', 'example.org.',
             '--external',
             '--default',
             '--provider-network-type', 'vlan',
@@ -922,6 +930,7 @@ class TestSetNetwork(TestNetwork):
             ('segmentation_id', '400'),
             ('enable_port_security', True),
             ('qos_policy', self.qos_policy.name),
+            ('dns_domain', 'example.org.'),
         ]
 
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
@@ -939,6 +948,7 @@ class TestSetNetwork(TestNetwork):
             'provider:segmentation_id': '400',
             'port_security_enabled': True,
             'qos_policy_id': self.qos_policy.id,
+            'dns_domain': 'example.org.',
         }
         self.network.update_network.assert_called_once_with(
             self._network, **attrs)
@@ -1026,6 +1036,7 @@ class TestShowNetwork(TestNetwork):
         'availability_zone_hints',
         'availability_zones',
         'description',
+        'dns_domain',
         'id',
         'ipv4_address_scope',
         'ipv6_address_scope',
@@ -1050,6 +1061,7 @@ class TestShowNetwork(TestNetwork):
         utils.format_list(_network.availability_zone_hints),
         utils.format_list(_network.availability_zones),
         _network.description,
+        _network.dns_domain,
         _network.id,
         _network.ipv4_address_scope_id,
         _network.ipv6_address_scope_id,

releasenotes/notes/network_dns_integration-5914b2c2be474a41.yaml

@@ -0,0 +1,9 @@
+---
+features:
+  - |
+    Add dns-domain support for network commands.
+    The new parameter ``--dns-domain`` is added to the ``network create``
+    and ``network set`` commands. This parameter sets
+    the domain name for the network.
+    Check backend available extension and return an error
+    message if it is missing (instead of a Bad Request HTTP 400).