RBAC test for compute os-multinic policy action.

The 'addFixedIp' action is used in this test case,
which adds a fixed IP to the server instance, but
thereby causes os_compute_api:os-multinic to be enforced [0].

[0] https://github.com/openstack/nova/blob/4f91ed3a547965ed96a22520edcfb783e7936e95/nova/api/openstack/compute/multinic.py

Co-Authored-By: Michael Sliem <ms272s@att.com>
Co-Authored-By: Rao Adnan Khan <rk221s@att.com>

Partially-Implements: blueprint initial-tests-compute
Change-Id: Ic2e0efb4416255d9dcae1021c78955f60c85ba61
diff --git a/patrole_tempest_plugin/tests/api/compute/test_multinic_rbac.py b/patrole_tempest_plugin/tests/api/compute/test_multinic_rbac.py
new file mode 100644
index 0000000..158fcae
--- /dev/null
+++ b/patrole_tempest_plugin/tests/api/compute/test_multinic_rbac.py
@@ -0,0 +1,69 @@
+# Copyright 2017 AT&T Corporation.
+# All Rights Reserved.
+#
+#    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 tempest import config
+from tempest.lib import decorators
+
+from patrole_tempest_plugin import rbac_rule_validation
+from patrole_tempest_plugin.tests.api.compute import rbac_base
+
+CONF = config.CONF
+
+
+class MultinicV210RbacTest(rbac_base.BaseV2ComputeRbacTest):
+
+    min_microversion = '2.10'
+    max_microversion = '2.36'
+
+    @classmethod
+    def setup_clients(cls):
+        super(MultinicV210RbacTest, cls).setup_clients()
+        cls.client = cls.servers_client
+
+    @classmethod
+    def skip_checks(cls):
+        super(MultinicV210RbacTest, cls).skip_checks()
+        if not CONF.service_available.neutron:
+            raise cls.skipException("Neutron is required")
+        if not CONF.compute_feature_enabled.interface_attach:
+            raise cls.skipException("Interface attachment is not available.")
+
+    @classmethod
+    def setup_credentials(cls):
+        # This test class requires network and subnet
+        cls.set_network_resources(network=True, subnet=True)
+        super(MultinicV210RbacTest, cls).setup_credentials()
+
+    @classmethod
+    def resource_setup(cls):
+        super(MultinicV210RbacTest, cls).resource_setup()
+        cls.server = cls.create_test_server(wait_until='ACTIVE')
+
+    @rbac_rule_validation.action(
+        service="nova", rule="os_compute_api:os-multinic")
+    @decorators.idempotent_id('bd3e2c74-130a-40f0-8085-124d93fe67da')
+    def test_add_fixed_ip(self):
+        """Add fixed IP to server."""
+        interfaces = (self.interfaces_client.list_interfaces(self.server['id'])
+                      ['interfaceAttachments'])
+        if interfaces:
+            network_id = interfaces[0]['net_id']
+        else:
+            network_id = self.interfaces_client.create_interface(
+                self.server['id'])['interfaceAttachment']['net_id']
+
+        self.rbac_utils.switch_role(self, switchToRbacRole=True)
+        self.client.add_fixed_ip(self.server['id'],
+                                 networkId=network_id)