commit 1c7fe3b6bd60aa22ae525d0418729590f6429e96
Author: tianhui <tianhui@awcloud.com>
Date:   Fri Jul 6 08:23:06 2018 +0000

    Compute: Add tag support for server add volume
    
    Change-Id: Id9f2e09426f6824e9ca672bf7808b5165c650a69
    Story: 2002195
    Task: 21675

diff --git a/openstackclient/compute/v2/server.py b/openstackclient/compute/v2/server.py
index 06bbb7e..0b1209f 100644
--- a/openstackclient/compute/v2/server.py
+++ b/openstackclient/compute/v2/server.py
@@ -460,20 +460,32 @@ class AddServerVolume(command.Command):
             metavar='<device>',
             help=_('Server internal device name for volume'),
         )
+        parser.add_argument(
+            '--tag',
+            metavar='<tag>',
+            help=_(
+                "Tag for the attached volume. "
+                "(Supported by API versions '2.49' - '2.latest')"
+            ),
+        )
         termination_group = parser.add_mutually_exclusive_group()
         termination_group.add_argument(
             '--enable-delete-on-termination',
             action='store_true',
-            help=_("Specify if the attached volume should be deleted when "
-                   "the server is destroyed. (Supported with "
-                   "``--os-compute-api-version`` 2.79 or greater.)"),
+            help=_(
+                "Specify if the attached volume should be deleted when the "
+                "server is destroyed. "
+                "(Supported by API versions '2.79' - '2.latest')"
+            ),
         )
         termination_group.add_argument(
             '--disable-delete-on-termination',
             action='store_true',
-            help=_("Specify if the attached volume should not be deleted "
-                   "when the server is destroyed. (Supported with "
-                   "``--os-compute-api-version`` 2.79 or greater.)"),
+            help=_(
+                "Specify if the attached volume should not be deleted when "
+                "the server is destroyed. "
+                "(Supported by API versions '2.79' - '2.latest')"
+            ),
         )
         return parser
 
@@ -490,28 +502,38 @@ class AddServerVolume(command.Command):
             parsed_args.volume,
         )
 
-        support_set_delete_on_termination = (compute_client.api_version >=
-                                             api_versions.APIVersion('2.79'))
-
-        if not support_set_delete_on_termination:
-            if parsed_args.enable_delete_on_termination:
-                msg = _('--os-compute-api-version 2.79 or greater '
-                        'is required to support the '
-                        '--enable-delete-on-termination option.')
-                raise exceptions.CommandError(msg)
-            if parsed_args.disable_delete_on_termination:
-                msg = _('--os-compute-api-version 2.79 or greater '
-                        'is required to support the '
-                        '--disable-delete-on-termination option.')
-                raise exceptions.CommandError(msg)
-
         kwargs = {
             "device": parsed_args.device
         }
 
+        if parsed_args.tag:
+            if compute_client.api_version < api_versions.APIVersion('2.49'):
+                msg = _(
+                    '--os-compute-api-version 2.49 or greater is required to '
+                    'support the --tag option'
+                )
+                raise exceptions.CommandError(msg)
+
+            kwargs['tag'] = parsed_args.tag
+
         if parsed_args.enable_delete_on_termination:
+            if compute_client.api_version < api_versions.APIVersion('2.79'):
+                msg = _(
+                    '--os-compute-api-version 2.79 or greater is required to '
+                    'support the --enable-delete-on-termination option.'
+                )
+                raise exceptions.CommandError(msg)
+
             kwargs['delete_on_termination'] = True
+
         if parsed_args.disable_delete_on_termination:
+            if compute_client.api_version < api_versions.APIVersion('2.79'):
+                msg = _(
+                    '--os-compute-api-version 2.79 or greater is required to '
+                    'support the --disable-delete-on-termination option.'
+                )
+                raise exceptions.CommandError(msg)
+
             kwargs['delete_on_termination'] = False
 
         compute_client.volumes.create_server_volume(
diff --git a/openstackclient/tests/unit/compute/v2/test_server.py b/openstackclient/tests/unit/compute/v2/test_server.py
index dffedc6..d3e1591 100644
--- a/openstackclient/tests/unit/compute/v2/test_server.py
+++ b/openstackclient/tests/unit/compute/v2/test_server.py
@@ -503,8 +503,57 @@ class TestServerVolume(TestServer):
             servers[0].id, self.volume.id, device='/dev/sdb')
         self.assertIsNone(result)
 
+    def test_server_add_volume_with_tag(self):
+        # requires API 2.49 or later
+        self.app.client_manager.compute.api_version = api_versions.APIVersion(
+            '2.49')
+
+        servers = self.setup_servers_mock(count=1)
+        arglist = [
+            '--device', '/dev/sdb',
+            '--tag', 'foo',
+            servers[0].id,
+            self.volume.id,
+        ]
+        verifylist = [
+            ('server', servers[0].id),
+            ('volume', self.volume.id),
+            ('device', '/dev/sdb'),
+            ('tag', 'foo'),
+        ]
 
-class TestServerVolumeV279(TestServerVolume):
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        result = self.cmd.take_action(parsed_args)
+
+        self.servers_volumes_mock.create_server_volume.assert_called_once_with(
+            servers[0].id, self.volume.id, device='/dev/sdb', tag='foo')
+        self.assertIsNone(result)
+
+    def test_server_add_volume_with_tag_pre_v249(self):
+        self.app.client_manager.compute.api_version = api_versions.APIVersion(
+            '2.48')
+
+        servers = self.setup_servers_mock(count=1)
+        arglist = [
+            servers[0].id,
+            self.volume.id,
+            '--tag', 'foo',
+        ]
+        verifylist = [
+            ('server', servers[0].id),
+            ('volume', self.volume.id),
+            ('tag', 'foo'),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        ex = self.assertRaises(
+            exceptions.CommandError,
+            self.cmd.take_action,
+            parsed_args)
+        self.assertIn(
+            '--os-compute-api-version 2.49 or greater is required',
+            str(ex))
 
     def test_server_add_volume_with_enable_delete_on_termination(self):
         self.app.client_manager.compute.api_version = api_versions.APIVersion(
@@ -561,7 +610,8 @@ class TestServerVolumeV279(TestServerVolume):
         self.assertIsNone(result)
 
     def test_server_add_volume_with_enable_delete_on_termination_pre_v279(
-            self):
+        self,
+    ):
         self.app.client_manager.compute.api_version = api_versions.APIVersion(
             '2.78')
 
@@ -585,7 +635,8 @@ class TestServerVolumeV279(TestServerVolume):
                       str(ex))
 
     def test_server_add_volume_with_disable_delete_on_termination_pre_v279(
-            self):
+        self,
+    ):
         self.app.client_manager.compute.api_version = api_versions.APIVersion(
             '2.78')
 
@@ -609,7 +660,8 @@ class TestServerVolumeV279(TestServerVolume):
                       str(ex))
 
     def test_server_add_volume_with_disable_and_enable_delete_on_termination(
-            self):
+        self,
+    ):
         self.app.client_manager.compute.api_version = api_versions.APIVersion(
             '2.79')
 
diff --git a/releasenotes/notes/add-tag-support-server-add-volume-278e79a22dd482f4.yaml b/releasenotes/notes/add-tag-support-server-add-volume-278e79a22dd482f4.yaml
new file mode 100644
index 0000000..510218b
--- /dev/null
+++ b/releasenotes/notes/add-tag-support-server-add-volume-278e79a22dd482f4.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - Add ``--tag`` option to ``server add volume`` command when
+    add a volume to server. Only available starting with
+    ``--os-compute-api-version 2.49``.