Add Rbac test for "group_snapshot"

This PS adds Rbac test for "group_snapshot" policy[0], api-ref[1]

[0]https://github.com/openstack/cinder/blob/0cf910d4345c000e8c306b1cb2b2dd291975cf71/cinder/policies/group_snapshots.py
[1]https://developer.openstack.org/api-ref/block-storage/v3/#delete-a-consistency-group-snapshot

Change-Id: I83d0f9c7b5e6f4e0dd7449611a11229d5d5de6ed
diff --git a/patrole_tempest_plugin/tests/api/volume/test_group_snapshots_rbac.py b/patrole_tempest_plugin/tests/api/volume/test_group_snapshots_rbac.py
new file mode 100644
index 0000000..08748b6
--- /dev/null
+++ b/patrole_tempest_plugin/tests/api/volume/test_group_snapshots_rbac.py
@@ -0,0 +1,156 @@
+# Copyright 2017 NEC 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.common import waiters
+from tempest.lib.common.utils import data_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.volume import rbac_base
+
+
+class BaseGroupSnapshotsRbacTest(rbac_base.BaseVolumeRbacTest):
+
+    def _create_group_snapshot(self, **kwargs):
+        if 'name' not in kwargs:
+            kwargs['name'] = data_utils.rand_name(
+                self.__class__.__name__ + '-Group_Snapshot')
+        group_snapshot = self.group_snapshots_client.create_group_snapshot(
+            **kwargs)['group_snapshot']
+        group_snapshot['group_id'] = kwargs['group_id']
+        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+                        self._delete_group_snapshot, group_snapshot)
+        waiters.wait_for_volume_resource_status(
+            self.group_snapshots_client, group_snapshot['id'], 'available')
+        snapshots = self.snapshots_client.list_snapshots(
+            detail=True)['snapshots']
+        for snap in snapshots:
+            if self.vol['id'] == snap['volume_id']:
+                waiters.wait_for_volume_resource_status(
+                    self.snapshots_client, snap['id'], 'available')
+        return group_snapshot
+
+    def _delete_group_snapshot(self, group_snapshot):
+        self.group_snapshots_client.delete_group_snapshot(group_snapshot['id'])
+        vols = self.volumes_client.list_volumes(detail=True)['volumes']
+        snapshots = self.snapshots_client.list_snapshots(
+            detail=True)['snapshots']
+        for vol in vols:
+            for snap in snapshots:
+                if (vol['group_id'] == group_snapshot['group_id'] and
+                        vol['id'] == snap['volume_id']):
+                    self.snapshots_client.wait_for_resource_deletion(
+                        snap['id'])
+        self.group_snapshots_client.wait_for_resource_deletion(
+            group_snapshot['id'])
+
+
+class GroupSnaphotsV314RbacTest(BaseGroupSnapshotsRbacTest):
+    _api_version = 3
+    min_microversion = '3.14'
+    max_microversion = 'latest'
+
+    @classmethod
+    def skip_checks(cls):
+        super(GroupSnaphotsV314RbacTest, cls).skip_checks()
+        if not utils.is_extension_enabled('groupsnapshot', 'volume'):
+            msg = "%s skipped as group snapshots not enabled." % cls.__name__
+            raise cls.skipException(msg)
+
+    @classmethod
+    def setup_clients(cls):
+        super(GroupSnaphotsV314RbacTest, cls).setup_clients()
+        cls.group_snapshot_client = \
+            cls.os_primary.group_snapshots_v3_client
+
+    def setUp(self):
+        super(GroupSnaphotsV314RbacTest, self).setUp()
+        self.volume_type = self.create_volume_type()
+        self.group_type = self.create_group_type()
+        self.grp = self.create_group(group_type=self.group_type['id'],
+                                     volume_types=[self.volume_type['id']])
+        self.vol = self.create_volume(volume_type=self.volume_type['id'],
+                                      group_id=self.grp['id'])
+
+    @decorators.idempotent_id('653df0e8-d90a-474a-a5ce-3c2339aff7ba')
+    @rbac_rule_validation.action(
+        service="cinder",
+        rule="group:create_group_snapshot"
+    )
+    def test_create_group_snapshot(self):
+        with self.rbac_utils.override_role(self):
+            name = data_utils.rand_name(
+                self.__class__.__name__ + '-Group_Snapshot')
+            group_snapshot = self.group_snapshots_client.create_group_snapshot(
+                name=name, group_id=self.grp['id'])['group_snapshot']
+        group_snapshot['group_id'] = self.grp['id']
+        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+                        self._delete_group_snapshot, group_snapshot)
+        waiters.wait_for_volume_resource_status(
+            self.group_snapshots_client, group_snapshot['id'], 'available')
+        snapshots = self.snapshots_client.list_snapshots(
+            detail=True)['snapshots']
+        for snap in snapshots:
+            if self.vol['id'] == snap['volume_id']:
+                waiters.wait_for_volume_resource_status(
+                    self.snapshots_client, snap['id'], 'available')
+
+    @decorators.idempotent_id('8b966844-4421-4f73-940b-9157cb878331')
+    @rbac_rule_validation.action(
+        service="cinder",
+        rule="group:get_group_snapshot"
+    )
+    def test_show_group_snapshot_rbac(self):
+        group_snapshot_name = data_utils.rand_name('group_snapshot')
+        group_snapshot = self._create_group_snapshot(group_id=self.grp['id'],
+                                                     name=group_snapshot_name)
+        with self.rbac_utils.override_role(self):
+            self.group_snapshots_client.show_group_snapshot(
+                group_snapshot['id'])
+
+    @decorators.idempotent_id('e9de6dae-1efb-47cd-a3a8-d1f4b8f9f3ff')
+    @rbac_rule_validation.action(
+        service="cinder",
+        rule="group:get_all_group_snapshots"
+    )
+    def test_list_group_snapshot_rbac(self):
+        with self.rbac_utils.override_role(self):
+            self.group_snapshots_client.list_group_snapshots()
+
+    @decorators.idempotent_id('cf2e25ee-ca58-4ad6-b98d-33235c77db7b')
+    @rbac_rule_validation.action(
+        service="cinder",
+        rule="group:delete_group_snapshot"
+        )
+    def test_delete_group_snapshot_rbac(self):
+        group_snapshot_name = data_utils.rand_name('group_snapshot')
+        group_snapshot = self._create_group_snapshot(group_id=self.grp['id'],
+                                                     name=group_snapshot_name)
+        with self.rbac_utils.override_role(self):
+            self.group_snapshots_client.delete_group_snapshot(
+                group_snapshot['id'])
+        vols = self.volumes_client.list_volumes(detail=True)['volumes']
+        snapshots = self.snapshots_client.list_snapshots(
+            detail=True)['snapshots']
+        for vol in vols:
+            for snap in snapshots:
+                if (vol['group_id'] == group_snapshot['group_id'] and
+                        vol['id'] == snap['volume_id']):
+                    self.snapshots_client.wait_for_resource_deletion(
+                        snap['id'])
+        self.group_snapshots_client.wait_for_resource_deletion(
+            group_snapshot['id'])