Support configuration groups for clusters

Handles API part implemented in change:
I7c0a22c6a0287128d0c37e100589c78173fd9c1a

So far passing configuration group was possible only for single instance
deployment.

As the trove api now already supports configuration attach and detach
for clusters, we are able to handle it in client.

Configuration will be applied to each cluster instance.

Partially implements: blueprint cluster-configuration-groups
Change-Id: Ic0840c995cbc34203c76494d7ba522f3e17141a7
Signed-off-by: Marcin Piwowarczyk <m.piwowarczy@samsung.com>

releasenotes/notes/add-configuration-groups-for-clusters-6183b0b7b4fb8c9e.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    A --configuration flag was added to the ``trove cluster-create``
+    command, in order to allow a user to attach specific configuration
+    for cluster.

troveclient/tests/test_clusters.py

@@ -79,10 +79,12 @@ class ClustersTest(testtools.TestCase):
             'configsvr_volume_type': 'foo_type',
             'mongos_volume_size': 12,
             'mongos_volume_type': 'bar_type'}
+        configuration = 'test-config'
         path, body, resp_key = clusters_test.create("test-name", "datastore",
                                                     "datastore-version",
                                                     instances, locality,
-                                                    extended_properties)
+                                                    extended_properties,
+                                                    configuration)
         self.assertEqual("/clusters", path)
         self.assertEqual("cluster", resp_key)
         self.assertEqual("test-name", body["cluster"]["name"])
@@ -93,6 +95,7 @@ class ClustersTest(testtools.TestCase):
         self.assertEqual(locality, body["cluster"]["locality"])
         self.assertEqual(extended_properties,
                          body["cluster"]["extended_properties"])
+        self.assertEqual(configuration, body["cluster"]["configuration"])
 
     def test_list(self):
         page_mock = mock.Mock()

troveclient/tests/test_v1_shell.py

@@ -516,6 +516,28 @@ class ShellTest(utils.TestCase):
                 'name': 'test-clstr2',
                 'locality': 'affinity'}})
 
+    def test_cluster_create_with_configuration(self):
+        cmd = ('cluster-create test-clstr2 redis 3.0 '
+               '--configuration=config01 '
+               '--instance flavor=2,volume=1 '
+               '--instance flavor=02,volume=1 '
+               '--instance flavor=2,volume=1 ')
+        self.run_command(cmd)
+        self.assert_called_anytime(
+            'POST', '/clusters',
+            {'cluster': {
+                'instances': [
+                    {'flavorRef': '2',
+                     'volume': {'size': '1'}},
+                    {'flavorRef': '02',
+                     'volume': {'size': '1'}},
+                    {'flavorRef': '2',
+                     'volume': {'size': '1'}},
+                ],
+                'datastore': {'version': '3.0', 'type': 'redis'},
+                'name': 'test-clstr2',
+                'configuration': 'config01'}})
+
     def test_cluster_create_with_extended_properties(self):
         cmd = ('cluster-create test-clstr3 mongodb 4.0 '
                '--instance flavor=2,volume=1 '

troveclient/v1/clusters.py

@@ -37,7 +37,7 @@ class Clusters(base.ManagerWithFind):
     resource_class = Cluster
 
     def create(self, name, datastore, datastore_version, instances=None,
-               locality=None, extended_properties=None):
+               locality=None, extended_properties=None, configuration=None):
         """Create (boot) a new cluster."""
         body = {"cluster": {
             "name": name
@@ -53,6 +53,8 @@ class Clusters(base.ManagerWithFind):
             body["cluster"]["locality"] = locality
         if extended_properties:
             body["cluster"]["extended_properties"] = extended_properties
+        if configuration:
+            body["cluster"]["configuration"] = configuration
 
         return self._create("/clusters", body, "cluster")
 

troveclient/v1/shell.py

@@ -894,6 +894,11 @@ def _parse_instance_options(cs, instance_options, for_grow=False):
            metavar=EXT_PROPS_METAVAR,
            default=None,
            help=EXT_PROPS_HELP)
+@utils.arg('--configuration',
+           metavar='<configuration>',
+           type=str,
+           default=None,
+           help=_('ID of the configuration group to attach to the cluster.'))
 @utils.service_type('database')
 def do_cluster_create(cs, args):
     """Creates a new cluster."""
@@ -908,7 +913,8 @@ def do_cluster_create(cs, args):
                                  args.datastore_version,
                                  instances=instances,
                                  locality=args.locality,
-                                 extended_properties=extended_properties)
+                                 extended_properties=extended_properties,
+                                 configuration=args.configuration)
     _print_cluster(cluster)