Support to delete datastore version

usage: openstack datastore version delete <datastore_version_id>

Change-Id: I4b781e68b81a3888d15d002fcf488a1f765c9f6a

releasenotes/notes/ussuri-05-osc-delete-datastore-version-6e03d20430e611ea.yaml

@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    Support to delete datastore version by ID.
+
+    .. code-block:: console
+
+        openstack datastore version delete <datastore_version_id>

setup.cfg

@@ -99,6 +99,7 @@ openstack.database.v1 =
     datastore_show = troveclient.osc.v1.datastores:ShowDatastore
     datastore_version_list = troveclient.osc.v1.datastores:ListDatastoreVersions
     datastore_version_show = troveclient.osc.v1.datastores:ShowDatastoreVersion
+    datastore_version_delete = troveclient.osc.v1.datastores:DeleteDatastoreVersion
 
 
 [wheel]

troveclient/osc/v1/datastores.py

@@ -123,5 +123,27 @@ class ShowDatastoreVersion(command.ShowOne):
                                              ' required to retrieve a'
                                              ' datastore version by name.'))
         if datastore_version._info.get('links'):
-            del(datastore_version._info['links'])
+            del (datastore_version._info['links'])
         return zip(*sorted(six.iteritems(datastore_version._info)))
+
+
+class DeleteDatastoreVersion(command.Command):
+    _description = _("Deletes a datastore version.")
+
+    def get_parser(self, prog_name):
+        parser = super(DeleteDatastoreVersion, self).get_parser(prog_name)
+        parser.add_argument(
+            'datastore_version',
+            metavar='<datastore_version>',
+            help=_('ID of the datastore version.'),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        client = self.app.client_manager.database.mgmt_ds_versions
+        try:
+            client.delete(parsed_args.datastore_version)
+        except Exception as e:
+            msg = (_("Failed to delete datastore version %(version)s: %(e)s")
+                   % {'database': parsed_args.datastore_version, 'e': e})
+            raise exceptions.CommandError(msg)

troveclient/tests/osc/v1/test_datastores.py

@@ -9,6 +9,7 @@
 #   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 oslo_utils import uuidutils
 
 from troveclient import common
 from troveclient import exceptions
@@ -24,6 +25,8 @@ class TestDatastores(fakes.TestDatabasev1):
         self.datastore_client = self.app.client_manager.database.datastores
         self.datastore_version_client =\
             self.app.client_manager.database.datastore_versions
+        self.dsversion_mgmt_client =\
+            self.app.client_manager.database.mgmt_ds_versions
 
 
 class TestDatastoreList(TestDatastores):
@@ -123,3 +126,18 @@ class TestDatastoreVersionShow(TestDatastores):
         self.assertRaises(exceptions.NoUniqueMatch,
                           self.cmd.take_action,
                           parsed_args)
+
+
+class TestDeleteDatastoreVersion(TestDatastores):
+    def setUp(self):
+        super(TestDeleteDatastoreVersion, self).setUp()
+        self.cmd = datastores.DeleteDatastoreVersion(self.app, None)
+
+    def test_delete_datastore_version(self):
+        dsversion_id = uuidutils.generate_uuid()
+        args = [dsversion_id]
+        parsed_args = self.check_parser(self.cmd, args, [])
+
+        self.cmd.take_action(parsed_args)
+
+        self.dsversion_mgmt_client.delete.assert_called_once_with(dsversion_id)

troveclient/v1/client.py

@@ -78,22 +78,13 @@ class Client(object):
         self.datastores = datastores.Datastores(self)
         self.datastore_versions = datastores.DatastoreVersions(self)
         self.configurations = configurations.Configurations(self)
-        config_parameters = configurations.ConfigurationParameters(self)
+        self.configuration_parameters = configurations.ConfigurationParameters(
-        self.configuration_parameters = config_parameters
+            self)
         self.metadata = metadata.Metadata(self)
         self.modules = modules.Modules(self)
         self.quota = quota.Quotas(self)
         self.mgmt_instances = management.Management(self)
-
+        self.mgmt_ds_versions = management.MgmtDatastoreVersions(self)
-        # self.hosts = Hosts(self)
-        # self.storage = StorageInfo(self)
-        # self.management = MgmtClusters(self)
-        # self.mgmt_flavor = MgmtFlavors(self)
-        # self.accounts = Accounts(self)
-        # self.diagnostics = DiagnosticsInterrogator(self)
-        # self.hwinfo = HwInfoInterrogator(self)
-        # self.mgmt_config_params =
-        #       management.MgmtConfigurationParameters(self)
 
         # Add in any extensions...
         if extensions: