[Manila] Add scenario for creation and deletion of Manila shares

List of changes:
- Added support of 'create' and 'delete' operations for shares.
- Added benchmark for creating and deleting shares without usage
of share networks.

Change-Id: I48adb06140f70c5d18139726f5af6d7e1ab93a47

etc/rally/rally.conf.sample

@@ -207,6 +207,24 @@
 # (floating point value)
 #heat_stack_resume_poll_interval = 1.0
 
+# Delay between creating Manila share and polling for its status.
+# (floating point value)
+#manila_share_create_prepoll_delay = 2.0
+
+# Timeout for Manila share creation. (floating point value)
+#manila_share_create_timeout = 300.0
+
+# Interval between checks when waiting for Manila share creation.
+# (floating point value)
+#manila_share_create_poll_interval = 3.0
+
+# Timeout for Manila share deletion. (floating point value)
+#manila_share_delete_timeout = 180.0
+
+# Interval between checks when waiting for Manila share deletion.
+# (floating point value)
+#manila_share_delete_poll_interval = 2.0
+
 # Time to sleep after start before polling for status (floating point
 # value)
 #nova_server_start_prepoll_delay = 0.0

rally-jobs/rally-manila-no-ss.yaml

@@ -32,3 +32,26 @@
       sla:
         failure_rate:
           max: 0
+
+  ManilaShares.create_and_delete_share:
+    -
+      args:
+        share_proto: "nfs"
+        size: 1
+        min_sleep: 1
+        max_sleep: 2
+      runner:
+        type: "constant"
+        times: 4
+        concurrency: 4
+      context:
+        quotas:
+          manila:
+            shares: -1
+            gigabytes: -1
+        users:
+          tenants: 2
+          users_per_tenant: 1
+      sla:
+        failure_rate:
+          max: 0

rally/plugins/openstack/scenarios/manila/shares.py

@@ -22,6 +22,32 @@ from rally.plugins.openstack.scenarios.manila import utils
 class ManilaShares(utils.ManilaScenario):
     """Benchmark scenarios for Manila shares."""
 
+    @validation.validate_share_proto()
+    @validation.required_services(consts.Service.MANILA)
+    @validation.required_openstack(users=True)
+    @base.scenario(context={"cleanup": ["manila"]})
+    def create_and_delete_share(self, share_proto, size=1, min_sleep=0,
+                                max_sleep=0, **kwargs):
+        """Create and delete a share.
+
+        Optional 'min_sleep' and 'max_sleep' parameters allow the scenario
+        to simulate a pause between share creation and deletion
+        (of random duration from [min_sleep, max_sleep]).
+
+        :param share_proto: share protocol, valid values are NFS, CIFS,
+            GlusterFS and HDFS
+        :param size: share size in GB, should be greater than 0
+        :param min_sleep: minimum sleep time in seconds (non-negative)
+        :param max_sleep: maximum sleep time in seconds (non-negative)
+        :param kwargs: optional args to create a share
+        """
+        share = self._create_share(
+            share_proto=share_proto,
+            size=size,
+            **kwargs)
+        self.sleep_between(min_sleep, max_sleep)
+        self._delete_share(share)
+
     @validation.required_services(consts.Service.MANILA)
     @validation.required_openstack(users=True)
     @base.scenario()

rally/plugins/openstack/scenarios/manila/utils.py

@@ -13,12 +13,93 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import time
+
+from oslo_config import cfg
+
 from rally.benchmark.scenarios import base
+from rally.benchmark import utils as bench_utils
+
+
+MANILA_BENCHMARK_OPTS = [
+    cfg.FloatOpt(
+        "manila_share_create_prepoll_delay",
+        default=2.0,
+        help="Delay between creating Manila share and polling for its "
+             "status."),
+    cfg.FloatOpt(
+        "manila_share_create_timeout",
+        default=300.0,
+        help="Timeout for Manila share creation."),
+    cfg.FloatOpt(
+        "manila_share_create_poll_interval",
+        default=3.0,
+        help="Interval between checks when waiting for Manila share "
+             "creation."),
+    cfg.FloatOpt(
+        "manila_share_delete_timeout",
+        default=180.0,
+        help="Timeout for Manila share deletion."),
+    cfg.FloatOpt(
+        "manila_share_delete_poll_interval",
+        default=2.0,
+        help="Interval between checks when waiting for Manila share "
+             "deletion."),
+]
+
+CONF = cfg.CONF
+benchmark_group = cfg.OptGroup(name="benchmark", title="benchmark options")
+CONF.register_opts(MANILA_BENCHMARK_OPTS, group=benchmark_group)
 
 
 class ManilaScenario(base.Scenario):
     """Base class for Manila scenarios with basic atomic actions."""
 
+    @base.atomic_action_timer("manila.create_share")
+    def _create_share(self, share_proto, size=1, **kwargs):
+        """Create a share.
+
+        :param share_proto: share protocol for new share,
+            available values are NFS, CIFS, GlusterFS and HDFS.
+        :param size: size of a share in GB
+        :param snapshot_id: ID of the snapshot
+        :param name: name of new share
+        :param description: description of a share
+        :param metadata: optional metadata to set on share creation
+        :param share_network: either instance of ShareNetwork or str with ID
+        :param share_type: either instance of ShareType or str with ID
+        :param is_public: defines whether to set share as public or not.
+        :returns: instance of :class:`Share`
+        """
+        if not kwargs.get("name"):
+            kwargs["name"] = self._generate_random_name()
+
+        share = self.clients("manila").shares.create(
+            share_proto, size, **kwargs)
+        time.sleep(CONF.benchmark.manila_share_create_prepoll_delay)
+        share = bench_utils.wait_for(
+            share,
+            is_ready=bench_utils.resource_is("available"),
+            update_resource=bench_utils.get_from_manager(),
+            timeout=CONF.benchmark.manila_share_create_timeout,
+            check_interval=CONF.benchmark.manila_share_create_poll_interval,
+        )
+        return share
+
+    @base.atomic_action_timer("manila.delete_share")
+    def _delete_share(self, share):
+        """Delete the given share.
+
+        :param share: :class:`Share`
+        """
+        share.delete()
+        error_statuses = ("error_deleting", )
+        bench_utils.wait_for_delete(
+            share,
+            update_resource=bench_utils.get_from_manager(error_statuses),
+            timeout=CONF.benchmark.manila_share_delete_timeout,
+            check_interval=CONF.benchmark.manila_share_delete_poll_interval)
+
     @base.atomic_action_timer("manila.list_shares")
     def _list_shares(self, detailed=True, search_opts=None):
         """Returns user shares list.

samples/tasks/scenarios/manila/create-share-without-share-networks-and-delete.json

@@ -0,0 +1,29 @@
+{
+    "ManilaShares.create_and_delete_share": [
+        {
+            "args": {
+                "share_proto": "nfs",
+                "size": 1,
+                "min_sleep": 1,
+                "max_sleep": 2
+            },
+            "runner": {
+                "type": "constant",
+                "times": 2,
+                "concurrency": 2
+            },
+            "context": {
+                "quotas": {
+                    "manila": {
+                        "shares": -1,
+                        "gigabytes": -1
+                    }
+                },
+                "users": {
+                    "tenants": 2,
+                    "users_per_tenant": 1
+                }
+            }
+        }
+    ]
+}

samples/tasks/scenarios/manila/create-share-without-share-networks-and-delete.yaml

@@ -0,0 +1,20 @@
+---
+  ManilaShares.create_and_delete_share:
+    -
+      args:
+        share_proto: "nfs"
+        size: 1
+        min_sleep: 1
+        max_sleep: 2
+      runner:
+        type: "constant"
+        times: 2
+        concurrency: 2
+      context:
+        quotas:
+          manila:
+            shares: -1
+            gigabytes: -1
+        users:
+          tenants: 2
+          users_per_tenant: 1

tests/unit/plugins/openstack/scenarios/manila/test_shares.py

@@ -23,6 +23,24 @@ from tests.unit import test
 @ddt.ddt
 class ManilaSharesTestCase(test.TestCase):
 
+    @ddt.data(
+        {"share_proto": "nfs", "size": 3},
+        {"share_proto": "cifs", "size": 4,
+         "share_network": "foo", "share_type": "bar"},
+    )
+    def test_create_and_delete_share(self, params):
+        fake_share = mock.MagicMock()
+        scenario = shares.ManilaShares()
+        scenario._create_share = mock.MagicMock(return_value=fake_share)
+        scenario.sleep_between = mock.MagicMock()
+        scenario._delete_share = mock.MagicMock()
+
+        scenario.create_and_delete_share(min_sleep=3, max_sleep=4, **params)
+
+        scenario._create_share.assert_called_once_with(**params)
+        scenario.sleep_between.assert_called_once_with(3, 4)
+        scenario._delete_share.assert_called_once_with(fake_share)
+
     @ddt.data(
         {},
         {"detailed": True},

tests/unit/plugins/openstack/scenarios/manila/test_utils.py

@@ -19,30 +19,65 @@ import mock
 from rally.plugins.openstack.scenarios.manila import utils
 from tests.unit import test
 
-MANILA_UTILS = "rally.plugins.openstack.scenarios.manila.utils.ManilaScenario."
+BM_UTILS = "rally.benchmark.utils."
 
 
 @ddt.ddt
-class ManilaScenarioTestCase(test.TestCase):
+class ManilaScenarioTestCase(test.ClientsTestCase):
 
     def setUp(self):
         super(ManilaScenarioTestCase, self).setUp()
         self.scenario = utils.ManilaScenario()
 
+    @mock.patch("time.sleep")
+    @mock.patch(BM_UTILS + "wait_for")
+    @mock.patch(BM_UTILS + "get_from_manager")
+    @mock.patch(BM_UTILS + "resource_is")
+    def test__create_share(self, mock_resource_is, mock_get_from_manager,
+                           mock_wait_for, mock_sleep):
+        fake_name = "fake_name"
+        fake_share = mock.Mock()
+        self.clients("manila").shares.create.return_value = fake_share
+        self.scenario._generate_random_name = mock.Mock(return_value=fake_name)
+
+        self.scenario._create_share("nfs")
+
+        self.clients("manila").shares.create.assert_called_once_with(
+            "nfs", 1, name=fake_name)
+
+        mock_wait_for.assert_called_once_with(
+            fake_share, is_ready=mock.ANY, update_resource=mock.ANY,
+            timeout=300, check_interval=3)
+        mock_resource_is.assert_called_once_with("available")
+        mock_get_from_manager.assert_called_once_with()
+        self.assertTrue(mock_sleep.called)
+
+    @mock.patch(BM_UTILS + "get_from_manager")
+    @mock.patch(BM_UTILS + "wait_for_delete")
+    def test__delete_share(self, mock_wait_for_delete, mock_get_from_manager):
+        fake_share = mock.MagicMock()
+
+        self.scenario._delete_share(fake_share)
+
+        fake_share.delete.assert_called_once_with()
+        mock_get_from_manager.assert_called_once_with(("error_deleting", ))
+        mock_wait_for_delete.assert_called_once_with(
+            fake_share, update_resource=mock.ANY, timeout=180,
+            check_interval=2)
+
     @ddt.data(
         {},
         {"detailed": False, "search_opts": None},
         {"detailed": True, "search_opts": {"name": "foo_sn"}},
         {"search_opts": {"project_id": "fake_project"}},
     )
-    @mock.patch(MANILA_UTILS + "clients")
-    def test__list_shares(self, params, mock_clients):
+    def test__list_shares(self, params):
         fake_shares = ["foo", "bar"]
-        mock_clients.return_value.shares.list.return_value = fake_shares
+        self.clients("manila").shares.list.return_value = fake_shares
 
         result = self.scenario._list_shares(**params)
 
         self.assertEqual(fake_shares, result)
-        mock_clients.return_value.shares.list.assert_called_once_with(
+        self.clients("manila").shares.list.assert_called_once_with(
             detailed=params.get("detailed", True),
             search_opts=params.get("search_opts", None))