Add cluster-list to OSC

This change adds database support to the python-openstackclient
project for the cluster-list command.

The trove command cluster-list is now:
    openstack database cluster list

Change-Id: I06b398190930db459ef8739685548263499f0d3c
Partially-Implements: trove-support-in-python-openstackclient

3 files changed, 117 insertions, 0 deletions

diff --git a/troveclient/osc/v1/database_clusters.py b/troveclient/osc/v1/database_clusters.py
new file mode 100644
index 0000000..13bad6c
--- /dev/null
+++ b/troveclient/osc/v1/database_clusters.py
@@ -0,0 +1,61 @@
+#    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.
+
+"""Database v1 Clusters action implementations"""
+
+from osc_lib.command import command
+from osc_lib import utils
+
+from troveclient.i18n import _
+
+
+class ListDatabaseClusters(command.Lister):
+
+    _description = _("List database clusters")
+    columns = ['ID', 'Name', 'Datastore', 'Datastore Version',
+               'Task Name']
+
+    def get_parser(self, prog_name):
+        parser = super(ListDatabaseClusters, self).get_parser(prog_name)
+        parser.add_argument(
+            '--limit',
+            dest='limit',
+            metavar='<limit>',
+            type=int,
+            default=None,
+            help=_('Limit the number of results displayed.')
+        )
+        parser.add_argument(
+            '--marker',
+            dest='marker',
+            metavar='<ID>',
+            type=str,
+            default=None,
+            help=_('Begin displaying the results for IDs greater than the'
+                   ' specified marker. When used with :option:`--limit,` set'
+                   ' this to the last ID displayed in the previous run.')
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        database_clusters = self.app.client_manager.database.clusters
+        clusters = database_clusters.list(limit=parsed_args.limit,
+                                          marker=parsed_args.marker)
+        for cluster in clusters:
+            setattr(cluster, 'datastore_version',
+                    cluster.datastore['version'])
+            setattr(cluster, 'datastore', cluster.datastore['type'])
+            setattr(cluster, 'task_name', cluster.task['name'])
+
+        clusters = [utils.get_item_properties(c, self.columns)
+                    for c in clusters]
+        return self.columns, clusters
diff --git a/troveclient/tests/osc/v1/fakes.py b/troveclient/tests/osc/v1/fakes.py
index 9df54b2..079dd1e 100644
--- a/troveclient/tests/osc/v1/fakes.py
+++ b/troveclient/tests/osc/v1/fakes.py
@@ -16,6 +16,7 @@ import mock
 from troveclient.tests import fakes
 from troveclient.tests.osc import utils
 from troveclient.v1 import backups
+from troveclient.v1 import clusters
 from troveclient.v1 import flavors
 
 
@@ -37,3 +38,10 @@ class FakeBackups(object):
 
     def get_backup_bk_1234(self):
         return backups.Backup(None, self.fake_backups[0])
+
+
+class FakeClusters(object):
+    fake_clusters = fakes.FakeHTTPClient().get_clusters()[2]['clusters']
+
+    def get_clusters_cls_1234(self):
+        return clusters.Cluster(None, self.fake_clusters[0])
diff --git a/troveclient/tests/osc/v1/test_database_clusters.py b/troveclient/tests/osc/v1/test_database_clusters.py
new file mode 100644
index 0000000..abd4bcf
--- /dev/null
+++ b/troveclient/tests/osc/v1/test_database_clusters.py
@@ -0,0 +1,48 @@
+#   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 troveclient import common
+from troveclient.osc.v1 import database_clusters
+from troveclient.tests.osc.v1 import fakes
+
+
+class TestClusters(fakes.TestDatabasev1):
+    fake_clusters = fakes.FakeClusters()
+
+    def setUp(self):
+        super(TestClusters, self).setUp()
+        self.mock_client = self.app.client_manager.database
+        self.cluster_client = self.app.client_manager.database.clusters
+
+
+class TestClusterList(TestClusters):
+
+    defaults = {
+        'limit': None,
+        'marker': None
+    }
+
+    columns = database_clusters.ListDatabaseClusters.columns
+    values = ('cls-1234', 'test-clstr', 'vertica', '7.1', 'NONE')
+
+    def setUp(self):
+        super(TestClusterList, self).setUp()
+        self.cmd = database_clusters.ListDatabaseClusters(self.app, None)
+        data = [self.fake_clusters.get_clusters_cls_1234()]
+        self.cluster_client.list.return_value = common.Paginated(data)
+
+    def test_cluster_list_defaults(self):
+        parsed_args = self.check_parser(self.cmd, [], [])
+        columns, data = self.cmd.take_action(parsed_args)
+        self.cluster_client.list.assert_called_once_with(**self.defaults)
+        self.assertEqual(self.columns, columns)
+        self.assertEqual([self.values], data)