Add acceptance tests for tag field to compute block_device_v2

acceptance/openstack/compute/v2/bootfromvolume_test.go

@@ -303,3 +303,45 @@ func TestBootFromNewCustomizedVolume(t *testing.T) {
 
 	tools.PrintResource(t, server)
 }
+
+func TestBootFromNewVolumeWithTag(t *testing.T) {
+	clients.RequireLong(t)
+
+	client, err := clients.NewComputeV2Client()
+	th.AssertNoErr(t, err)
+
+	choices, err := clients.AcceptanceTestChoicesFromEnv()
+	th.AssertNoErr(t, err)
+
+	// minimum required microversion for getting volume tags is 2.70
+	// https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id64
+	client.Microversion = "2.70"
+
+	tagName := "tag1"
+	blockDevices := []bootfromvolume.BlockDevice{
+		{
+			DeleteOnTermination: true,
+			DestinationType:     bootfromvolume.DestinationVolume,
+			SourceType:          bootfromvolume.SourceImage,
+			UUID:                choices.ImageID,
+			VolumeSize:          2,
+			Tag:                 tagName,
+		},
+	}
+
+	server, err := CreateBootableVolumeServer(t, client, blockDevices)
+	th.AssertNoErr(t, err)
+	defer DeleteServer(t, client, server)
+
+	attachPages, err := volumeattach.List(client, server.ID).AllPages()
+	th.AssertNoErr(t, err)
+
+	attachments, err := volumeattach.ExtractVolumeAttachments(attachPages)
+	th.AssertNoErr(t, err)
+
+	tools.PrintResource(t, server)
+	tools.PrintResource(t, attachments)
+
+	th.AssertEquals(t, len(attachments), 1)
+	th.AssertEquals(t, attachments[0].Tag, tagName)
+}