Support quota show for current project

The "os quota show" command "<project/class>" argument is now
optional. If not specified, the user's current project is used.
This allows non-admin users to show quotas for their current
project.

Change-Id: I602d4cc09c9d29ce84271eff78137f8810cb1a47
Closes-Bug: #1572733

doc/source/command-objects/quota.rst

@@ -4,7 +4,7 @@ quota
 
 Resource quotas appear in multiple APIs, OpenStackClient presents them as a single object with multiple properties.
 
-Compute v2, Block Storage v1
+Block Storage v1, Compute v2, Network v2
 
 quota set
 ---------
@@ -129,14 +129,14 @@ Set quotas for class
 quota show
 ----------
 
-Show quotas for project
+Show quotas for project or class
 
 .. program:: quota show
 .. code:: bash
 
     os quota show
         [--default]
-        <project>
+        [<project>]
 
 
 .. option:: --default
@@ -146,13 +146,13 @@ Show quotas for project
 .. _quota_show-project:
 .. describe:: <project>
 
-    Show quotas for class
+    Show quotas for this project (name or ID)
 
 .. code:: bash
 
     os quota show
         --class
-        <class>
+        [<class>]
 
 .. option:: --class
 
@@ -161,4 +161,4 @@ Show quotas for project
 .. _quota_show-class:
 .. describe:: <class>
 
-    Class to show
+    Show quotas for this class (name or ID)

functional/tests/common/test_quota.py

@@ -36,3 +36,8 @@ class QuotaTests(test.TestCase):
         raw_output = self.openstack('quota show ' + self.PROJECT_NAME)
         for expected_field in self.EXPECTED_FIELDS:
             self.assertIn(expected_field, raw_output)
+
+    def test_quota_show_default_project(self):
+        raw_output = self.openstack('quota show')
+        for expected_field in self.EXPECTED_FIELDS:
+            self.assertIn(expected_field, raw_output)

openstackclient/common/quota.py

@@ -145,7 +145,8 @@ class ShowQuota(command.ShowOne):
         parser.add_argument(
             'project',
             metavar='<project/class>',
-            help='Show this project or class (name/ID)',
+            nargs='?',
+            help='Show quotas for this project or class (name or ID)',
         )
         type_group = parser.add_mutually_exclusive_group()
         type_group.add_argument(
@@ -164,12 +165,22 @@ class ShowQuota(command.ShowOne):
         )
         return parser
 
+    def _get_project(self, parsed_args):
+        if parsed_args.project is not None:
+            identity_client = self.app.client_manager.identity
+            project = utils.find_resource(
+                identity_client.projects,
+                parsed_args.project,
+            ).id
+        elif self.app.client_manager.auth_ref:
+            # Get the project from the current auth
+            project = self.app.client_manager.auth_ref.project_id
+        else:
+            project = None
+        return project
+
     def get_compute_volume_quota(self, client, parsed_args):
-        identity_client = self.app.client_manager.identity
-        project = utils.find_resource(
-            identity_client.projects,
-            parsed_args.project,
-        ).id
+        project = self._get_project(parsed_args)
 
         try:
             if parsed_args.quota_class:
@@ -189,11 +200,7 @@ class ShowQuota(command.ShowOne):
         if parsed_args.quota_class or parsed_args.default:
             return {}
         if self.app.client_manager.is_network_endpoint_enabled():
-            identity_client = self.app.client_manager.identity
-            project = utils.find_resource(
-                identity_client.projects,
-                parsed_args.project,
-            ).id
+            project = self._get_project(parsed_args)
             return self.app.client_manager.network.get_quota(project)
         else:
             return {}

openstackclient/tests/common/test_quota.py

@@ -59,6 +59,7 @@ class TestQuota(compute_fakes.TestComputev2):
         self.service_catalog_mock = \
             self.app.client_manager.auth_ref.service_catalog
         self.service_catalog_mock.reset_mock()
+        self.app.client_manager.auth_ref.project_id = identity_fakes.project_id
 
 
 class TestQuotaSet(TestQuota):
@@ -304,3 +305,13 @@ class TestQuotaShow(TestQuota):
             identity_fakes.project_id)
         self.volume_quotas_class_mock.get.assert_called_with(
             identity_fakes.project_id)
+
+    def test_quota_show_no_project(self):
+        parsed_args = self.check_parser(self.cmd, [], [])
+
+        self.cmd.take_action(parsed_args)
+
+        self.quotas_mock.get.assert_called_with(identity_fakes.project_id)
+        self.volume_quotas_mock.get.assert_called_with(
+            identity_fakes.project_id)
+        self.network.get_quota.assert_called_with(identity_fakes.project_id)

releasenotes/notes/bug-1572733-874b37a7fa8292d0.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - The ``quota show`` command ``<project/class>`` argument is now
+    optional. If not specified, the user's current project is used.
+    This allows non-admin users to show quotas for their current project.
+    [Bug `1572733 <https://bugs.launchpad.net/bugs/1572733>`_]