Add tempest-list-plugins

Add the tempest-list-plugins cmd.

bp list-plugins

Change-Id: If28311bc2e8d29a97ee46d7d73edba2a93aed7ce

requirements.txt

@@ -24,3 +24,4 @@ testscenarios>=0.4
 tempest-lib>=0.12.0
 PyYAML>=3.1.0
 stevedore>=1.5.0 # Apache-2.0
+PrettyTable<0.8,>=0.7

setup.cfg

@@ -36,6 +36,7 @@ tempest.cm =
     init = tempest.cmd.init:TempestInit
     cleanup = tempest.cmd.cleanup:TempestCleanup
     run-stress = tempest.cmd.run_stress:TempestRunStress
+    list-plugins = tempest.cmd.list_plugins:TempestListPlugins
 oslo.config.opts =
     tempest.config = tempest.config:list_opts
 

tempest/cmd/list_plugins.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+
+# 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.
+
+"""
+Utility for listing all currently installed Tempest plugins.
+
+**Usage:** ``tempest list-plugins``.
+"""
+
+from cliff import command
+from oslo_log import log as logging
+import prettytable
+
+from tempest.test_discover.plugins import TempestTestPluginManager
+
+LOG = logging.getLogger(__name__)
+
+
+class TempestListPlugins(command.Command):
+    def take_action(self, parsed_args):
+        self._list_plugins()
+        return 0
+
+    def get_description(self):
+        return 'List all tempest plugins'
+
+    def _list_plugins(self):
+        plugins = TempestTestPluginManager()
+
+        output = prettytable.PrettyTable(["Name", "EntryPoint"])
+        for plugin in plugins.ext_plugins.extensions:
+            output.add_row([
+                plugin.name, plugin.entry_point_target])
+
+        print(output)

tempest/tests/cmd/test_list_plugins.py

@@ -0,0 +1,24 @@
+# Copyright 2015 Hewlett-Packard Development Company, L.P.
+#
+# 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 subprocess
+
+from tempest.tests import base
+
+
+class TestTempestListPlugins(base.TestCase):
+    def test_run_list_plugins(self):
+        return_code = subprocess.call(
+            ['tempest', 'list-plugins'], stdout=subprocess.PIPE)
+        self.assertEqual(return_code, 0)