Add tests to cover trunks

This patch set adds tests to cver the neutron trunks API [0].
Test lists, gets, creates, updates, and deletes trunks.
Part of "Increase Neutron RBAC Coverage" initiative [1]

[0] https://developer.openstack.org/api-ref/network/v2/index.html#trunk-networking
[1] https://storyboard.openstack.org/#!/story/2002641

Story: 2002641
Task: 22326
Change-Id: Ie59f02f5ecc1d04a16fb178444f231e4791e2079
diff --git a/.zuul.yaml b/.zuul.yaml
index 5701eb4..d02eada 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -25,6 +25,7 @@
       devstack_services:
         tempest: true
         neutron: true
+        neutron-trunk: true
       tempest_concurrency: 2
       tempest_test_regex: (?!.*\[.*\bslow\b.*\])(^patrole_tempest_plugin\.tests\.api)
       tox_envlist: all-plugin
diff --git a/patrole_tempest_plugin/tests/api/network/test_trunks_rbac.py b/patrole_tempest_plugin/tests/api/network/test_trunks_rbac.py
new file mode 100644
index 0000000..063fd55
--- /dev/null
+++ b/patrole_tempest_plugin/tests/api/network/test_trunks_rbac.py
@@ -0,0 +1,85 @@
+# Copyright 2018 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.common import utils
+from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
+
+from patrole_tempest_plugin import rbac_rule_validation
+from patrole_tempest_plugin.tests.api.network import rbac_base as base
+
+
+class TrunksPluginRbacTest(base.BaseNetworkPluginRbacTest):
+
+    @classmethod
+    def skip_checks(cls):
+        super(TrunksPluginRbacTest, cls).skip_checks()
+        if not utils.is_extension_enabled('trunk', 'network'):
+            msg = "trunk extension not enabled."
+            raise cls.skipException(msg)
+
+    @classmethod
+    def resource_setup(cls):
+        super(TrunksPluginRbacTest, cls).resource_setup()
+        cls.network = cls.create_network()
+        cls.port_id = cls.create_port(cls.network)["id"]
+
+    def create_trunk(self, port_id):
+        trunk = self.ntp_client.create_trunk(port_id, [])
+        self.addCleanup(
+            test_utils.call_and_ignore_notfound_exc,
+            self.ntp_client.delete_trunk, trunk["trunk"]['id'])
+
+        return trunk
+
+    @decorators.idempotent_id('c02618e7-bb20-1a3a-83c8-6eec2af08130')
+    @rbac_rule_validation.action(service="neutron",
+                                 rules=["create_trunk"])
+    def test_create_trunk(self):
+        """Create trunk.
+
+        RBAC test for the neutron "create_trunk" policy
+        """
+        with self.rbac_utils.override_role(self):
+            self.create_trunk(self.port_id)
+
+    @decorators.idempotent_id('c02618e7-bb20-1a3a-83c8-6eec2af08131')
+    @rbac_rule_validation.action(service="neutron",
+                                 rules=["get_trunk"],
+                                 expected_error_codes=[404])
+    def test_show_trunk(self):
+        """Show trunk.
+
+        RBAC test for the neutron "get_trunk" policy
+        """
+        trunk = self.create_trunk(self.port_id)
+
+        with self.rbac_utils.override_role(self):
+            self.ntp_client.show_trunk(trunk['trunk']['id'])
+
+    @decorators.idempotent_id('c02618e7-bb20-1a3a-83c8-6eec2af08132')
+    @rbac_rule_validation.action(service="neutron",
+                                 rules=["get_trunk",
+                                        "delete_trunk"],
+                                 expected_error_codes=[404, 403])
+    def test_delete_trunk(self):
+        """Delete trunk.
+
+        RBAC test for the neutron "delete_trunk" policy
+        """
+        trunk = self.create_trunk(self.port_id)
+
+        with self.rbac_utils.override_role(self):
+            self.ntp_client.delete_trunk(trunk['trunk']['id'])