Add --attached / --detached parameter to volume set

As to reflect cinder reset-state --attach-status functionality,
this patch adds --attached / --detached parameter to OSC's volume set
command.

Change-Id: Ic8ee928c9ab0e579512cfb7608f63bfcc2993c7b
Closes-Bug: #1745699

2 files changed, 71 insertions, 0 deletions

diff --git a/openstackclient/tests/unit/volume/v2/test_volume.py b/openstackclient/tests/unit/volume/v2/test_volume.py
index 1f53ce94..dbe69ea0 100644
--- a/openstackclient/tests/unit/volume/v2/test_volume.py
+++ b/openstackclient/tests/unit/volume/v2/test_volume.py
@@ -1327,6 +1327,42 @@ class TestVolumeSet(TestVolume):
         self.volumes_mock.reset_state.assert_called_with(
             self.new_volume.id, 'error')
 
+    def test_volume_set_attached(self):
+        arglist = [
+            '--attached',
+            self.new_volume.id
+        ]
+        verifylist = [
+            ('attached', True),
+            ('detached', False),
+            ('volume', self.new_volume.id)
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+        self.volumes_mock.reset_state.assert_called_with(
+            self.new_volume.id, attach_status='attached', state=None)
+        self.assertIsNone(result)
+
+    def test_volume_set_detached(self):
+        arglist = [
+            '--detached',
+            self.new_volume.id
+        ]
+        verifylist = [
+            ('attached', False),
+            ('detached', True),
+            ('volume', self.new_volume.id)
+        ]
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+        self.volumes_mock.reset_state.assert_called_with(
+            self.new_volume.id, attach_status='detached', state=None)
+        self.assertIsNone(result)
+
     def test_volume_set_bootable(self):
         arglist = [
             ['--bootable', self.new_volume.id],
diff --git a/openstackclient/volume/v2/volume.py b/openstackclient/volume/v2/volume.py
index 14a454c2..fa587b5f 100644
--- a/openstackclient/volume/v2/volume.py
+++ b/openstackclient/volume/v2/volume.py
@@ -559,6 +559,25 @@ class SetVolume(command.Command):
                    'in the database with no regard to actual status, '
                    'exercise caution when using)'),
         )
+        attached_group = parser.add_mutually_exclusive_group()
+        attached_group.add_argument(
+            "--attached",
+            action="store_true",
+            help=_('Set volume attachment status to "attached" '
+                   '(admin only) '
+                   '(This option simply changes the state of the volume '
+                   'in the database with no regard to actual status, '
+                   'exercise caution when using)'),
+        )
+        attached_group.add_argument(
+            "--detached",
+            action="store_true",
+            help=_('Set volume attachment status to "detached" '
+                   '(admin only) '
+                   '(This option simply changes the state of the volume '
+                   'in the database with no regard to actual status, '
+                   'exercise caution when using)'),
+        )
         parser.add_argument(
             '--type',
             metavar='<volume-type>',
@@ -645,6 +664,22 @@ class SetVolume(command.Command):
             except Exception as e:
                 LOG.error(_("Failed to set volume state: %s"), e)
                 result += 1
+        if parsed_args.attached:
+            try:
+                volume_client.volumes.reset_state(
+                    volume.id, state=None,
+                    attach_status="attached")
+            except Exception as e:
+                LOG.error(_("Failed to set volume attach-status: %s"), e)
+                result += 1
+        if parsed_args.detached:
+            try:
+                volume_client.volumes.reset_state(
+                    volume.id, state=None,
+                    attach_status="detached")
+            except Exception as e:
+                LOG.error(_("Failed to set volume attach-status: %s"), e)
+                result += 1
         if parsed_args.bootable or parsed_args.non_bootable:
             try:
                 volume_client.volumes.set_bootable(