Add identity v3 catalog show

Change-Id: Ia6b6c25eded43b899b3aa026227ad2859f1c67dd

doc/source/command-objects/catalog.rst

@@ -2,7 +2,7 @@
 catalog
 =======
 
-Identity v2
+Identity v2, v3
 
 catalog list
 ------------

openstackclient/identity/v3/catalog.py

@@ -16,8 +16,11 @@
 import logging
 
 from cliff import lister
+from cliff import show
+import six
 
 from openstackclient.common import utils
+from openstackclient.i18n import _  # noqa
 
 
 def _format_endpoints(eps=None):
@@ -54,3 +57,44 @@ class ListCatalog(lister.Lister):
                         'Endpoints': _format_endpoints,
                     },
                 ) for s in data))
+
+
+class ShowCatalog(show.ShowOne):
+    """Display service catalog details"""
+
+    log = logging.getLogger(__name__ + '.ShowCatalog')
+
+    def get_parser(self, prog_name):
+        parser = super(ShowCatalog, self).get_parser(prog_name)
+        parser.add_argument(
+            'service',
+            metavar='<service>',
+            help=_('Service to display (type or name)'),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        self.log.debug('take_action(%s)', parsed_args)
+
+        # This is ugly because if auth hasn't happened yet we need
+        # to trigger it here.
+        sc = self.app.client_manager.session.auth.get_auth_ref(
+            self.app.client_manager.session,
+        ).service_catalog
+
+        data = None
+        for service in sc.get_data():
+            if (service.get('name') == parsed_args.service or
+                    service.get('type') == parsed_args.service):
+                data = dict(service)
+                data['endpoints'] = _format_endpoints(data['endpoints'])
+                if 'links' in data:
+                    data.pop('links')
+                break
+
+        if not data:
+            self.app.log.error('service %s not found\n' %
+                               parsed_args.service)
+            return ([], [])
+
+        return zip(*sorted(six.iteritems(data)))

openstackclient/tests/identity/v3/test_catalog.py

@@ -82,3 +82,37 @@ class TestCatalogList(TestCatalog):
             '<none>\n  internal: https://internal.example.com\n',
         ), )
         self.assertEqual(datalist, tuple(data))
+
+
+class TestCatalogShow(TestCatalog):
+
+    def setUp(self):
+        super(TestCatalogShow, self).setUp()
+
+        # Get the command object to test
+        self.cmd = catalog.ShowCatalog(self.app, None)
+
+    def test_catalog_show(self):
+        arglist = [
+            'compute',
+        ]
+        verifylist = [
+            ('service', 'compute'),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # DisplayCommandBase.take_action() returns two tuples
+        columns, data = self.cmd.take_action(parsed_args)
+        self.sc_mock.service_catalog.get_data.assert_called_with()
+
+        collist = ('endpoints', 'id', 'name', 'type')
+        self.assertEqual(collist, columns)
+        datalist = (
+            'onlyone\n  public: https://public.example.com\nonlyone\n'
+            '  admin: https://admin.example.com\n'
+            '<none>\n  internal: https://internal.example.com\n',
+            'qwertyuiop',
+            'supernova',
+            'compute',
+        )
+        self.assertEqual(datalist, data)

setup.cfg

@@ -184,6 +184,7 @@ openstack.identity.v3 =
     access_token_create = openstackclient.identity.v3.token:CreateAccessToken
 
     catalog_list = openstackclient.identity.v3.catalog:ListCatalog
+    catalog_show = openstackclient.identity.v3.catalog:ShowCatalog
 
     consumer_create = openstackclient.identity.v3.consumer:CreateConsumer
     consumer_delete = openstackclient.identity.v3.consumer:DeleteConsumer