Add CLI for Capabilities REST API

Implements blueprint capability-cli

Change-Id: I23fe9c0bc9c27e04e3e0133fc84da7cf1f87321f

ceilometerclient/tests/unit/v2/test_shell.py

@@ -27,6 +27,7 @@ from ceilometerclient import shell as base_shell
 from ceilometerclient.tests.unit import test_shell
 from ceilometerclient.tests.unit import utils
 from ceilometerclient.v2 import alarms
+from ceilometerclient.v2 import capabilities
 from ceilometerclient.v2 import events
 from ceilometerclient.v2 import samples
 from ceilometerclient.v2 import shell as ceilometer_shell
@@ -1181,3 +1182,45 @@ class ShellShadowedArgsTest(test_shell.ShellTestBase):
                          kwargs.get('project_id'))
         self.assertEqual('the-user-id-i-want-to-set',
                          kwargs.get('user_id'))
+
+
+class ShellCapabilityShowTest(utils.BaseTestCase):
+
+    CAPABILITIES = {
+        "alarm_storage": {
+            "storage:production_ready": True
+        },
+        "api": {
+            "alarms:query:complex": True,
+            "alarms:query:simple": True
+        },
+        "event_storage": {
+            "storage:production_ready": True
+        },
+        "storage": {
+            "storage:production_ready": True
+        },
+    }
+
+    def setUp(self):
+        super(ShellCapabilityShowTest, self).setUp()
+        self.cc = mock.Mock()
+        self.args = mock.Mock()
+
+    @mock.patch('sys.stdout', new=six.StringIO())
+    def test_capability_show(self):
+        _cap = capabilities.Capabilities(mock.Mock, self.CAPABILITIES)
+        self.cc.capabilities.get.return_value = _cap
+
+        ceilometer_shell.do_capabilities(self.cc, self.args)
+        self.assertEqual('''\
++---------------+----------------------------------+
+| Property      | Value                            |
++---------------+----------------------------------+
+| alarm_storage | "storage:production_ready": true |
+| api           | "alarms:query:complex": true,    |
+|               | "alarms:query:simple": true      |
+| event_storage | "storage:production_ready": true |
+| storage       | "storage:production_ready": true |
++---------------+----------------------------------+
+''', sys.stdout.getvalue())

ceilometerclient/tests/v2/test_capabilities.py

@@ -0,0 +1,58 @@
+# Copyright 2014 Huawei Technologies Co., Ltd.
+#
+# 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.
+
+import testtools
+
+from ceilometerclient.openstack.common.apiclient import client
+from ceilometerclient.openstack.common.apiclient import fake_client
+from ceilometerclient.v2 import capabilities
+
+
+CAPABILITIES = {
+    "alarm_storage": {
+        "storage:production_ready": True
+    },
+    "api": {
+        "alarms:query:complex": True,
+        "alarms:query:simple": True
+    },
+    "event_storage": {
+        "storage:production_ready": True
+    },
+    "storage": {
+        "storage:production_ready": True
+    },
+}
+
+FIXTURES = {
+    '/v2/capabilities': {
+        'GET': (
+            {},
+            CAPABILITIES
+        ),
+    },
+}
+
+
+class CapabilitiesManagerTest(testtools.TestCase):
+    def setUp(self):
+        super(CapabilitiesManagerTest, self).setUp()
+        self.http_client = fake_client.FakeHTTPClient(fixtures=FIXTURES)
+        self.api = client.BaseClient(self.http_client)
+        self.mgr = capabilities.CapabilitiesManager(self.api)
+
+    def test_capabilities_get(self):
+        capabilities = self.mgr.get()
+        self.http_client.assert_called('GET', '/v2/capabilities')
+        self.assertEqual(True, capabilities.api['alarms:query:complex'])

ceilometerclient/v2/capabilities.py

@@ -0,0 +1,29 @@
+#
+# Copyright 2014 Huawei, Inc
+#
+# 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 ceilometerclient.common import base
+
+
+class Capabilities(base.Resource):
+    def __repr__(self):
+        return "<Capabilities %s>" % self._info
+
+
+class CapabilitiesManager(base.Manager):
+    resource_class = Capabilities
+
+    def get(self):
+        path = "/v2/capabilities"
+        return Capabilities(self, self.api.get(path).json())

ceilometerclient/v2/client.py

@@ -18,6 +18,7 @@
 from ceilometerclient import client as ceiloclient
 from ceilometerclient.openstack.common.apiclient import client
 from ceilometerclient.v2 import alarms
+from ceilometerclient.v2 import capabilities
 from ceilometerclient.v2 import event_types
 from ceilometerclient.v2 import events
 from ceilometerclient.v2 import meters
@@ -80,3 +81,4 @@ class Client(object):
             self.http_client)
         self.query_alarm_history = query.QueryAlarmHistoryManager(
             self.http_client)
+        self.capabilities = capabilities.CapabilitiesManager(self.http_client)

ceilometerclient/v2/shell.py

@@ -22,6 +22,7 @@ import argparse
 import functools
 import json
 
+from oslo.serialization import jsonutils
 from oslo.utils import strutils
 import six
 
@@ -1155,3 +1156,15 @@ def do_query_alarm_history(cc, args):
         utils.print_list(alarm_history, fields, field_labels,
                          formatters={'rule': alarm_change_detail_formatter},
                          sortby=None)
+
+
+def do_capabilities(cc, args):
+    """Print Ceilometer capabilities."""
+    capabilities = cc.capabilities.get().to_dict()
+    # Capability is a nested dict, and has no user defined data,
+    # so it is safe to format here with json tools.
+    for key in capabilities:
+        # remove the leading and trailing pair of {}
+        capabilities[key] = jsonutils.dumps(capabilities[key],
+                                            sort_keys=True, indent=0)[2:-2]
+    utils.print_dict(capabilities)