Fix faulthy state argument choice

The correct state name for a failing volume snapshot deletion is
'error_deleting' instead of 'error-deleting'. [1]

[1] 89d6a5042f/cinder/objects/fields.py (L126)

Task: #37844
Story: #2007037

Change-Id: Ia99900ece4f1cd29769b22ddaa3965789d719556

doc/source/cli/command-objects/volume-snapshot.rst

@@ -115,7 +115,7 @@ List volume snapshots
 .. option:: --status <status>
 
     Filters results by a status.
-    ('available', 'error', 'creating', 'deleting' or 'error-deleting')
+    ('available', 'error', 'creating', 'deleting' or 'error_deleting')
 
 .. option:: --name <name>
 

openstackclient/tests/functional/volume/v2/test_volume_snapshot.py

@@ -121,6 +121,24 @@ class VolumeSnapshotTests(common.BaseVolumeTests):
             cmd_output["size"],
         )
         self.wait_for_status('volume snapshot', name2, 'available')
+
+        raw_output = self.openstack(
+            'volume snapshot set ' +
+            '--state error_deleting ' +
+            name2
+        )
+        self.assertOutput('', raw_output)
+
+        # Test list --long, --status
+        cmd_output = json.loads(self.openstack(
+            'volume snapshot list -f json ' +
+            '--long ' +
+            '--status error_deleting'
+        ))
+        names = [x["Name"] for x in cmd_output]
+        self.assertNotIn(name1, names)
+        self.assertIn(name2, names)
+
         raw_output = self.openstack(
             'volume snapshot set ' +
             '--state error ' +

openstackclient/volume/v1/volume_snapshot.py

@@ -175,10 +175,10 @@ class ListVolumeSnapshot(command.Lister):
             '--status',
             metavar='<status>',
             choices=['available', 'error', 'creating', 'deleting',
-                     'error-deleting'],
+                     'error_deleting'],
             help=_("Filters results by a status. "
                    "('available', 'error', 'creating', 'deleting'"
-                   " or 'error-deleting')")
+                   " or 'error_deleting')")
         )
         parser.add_argument(
             '--volume',

openstackclient/volume/v2/consistency_group_snapshot.py

@@ -129,7 +129,7 @@ class ListConsistencyGroupSnapshot(command.Lister):
             '--status',
             metavar="<status>",
             choices=['available', 'error', 'creating', 'deleting',
-                     'error-deleting'],
+                     'error_deleting'],
             help=_('Filters results by a status ("available", "error", '
                    '"creating", "deleting" or "error_deleting")')
         )

openstackclient/volume/v2/volume_snapshot.py

@@ -230,10 +230,10 @@ class ListVolumeSnapshot(command.Lister):
             '--status',
             metavar='<status>',
             choices=['available', 'error', 'creating', 'deleting',
-                     'error-deleting'],
+                     'error_deleting'],
             help=_("Filters results by a status. "
                    "('available', 'error', 'creating', 'deleting'"
-                   " or 'error-deleting')")
+                   " or 'error_deleting')")
         )
         parser.add_argument(
             '--volume',
@@ -345,7 +345,7 @@ class SetVolumeSnapshot(command.Command):
             '--state',
             metavar='<state>',
             choices=['available', 'error', 'creating', 'deleting',
-                     'error-deleting'],
+                     'error_deleting'],
             help=_('New snapshot state. ("available", "error", "creating", '
                    '"deleting", or "error_deleting") (admin only) '
                    '(This option simply changes the state of the snapshot '