Merge pull request #1223 in YUNIONIO/onecloud from ~QUXUAN/onecloud:feature/qx-tag to release/2.8.0

* commit '43daa1ceb420d8b6176e92ee7c023d51c9c8e962':
  用户自定义标签加前缀user:
  同步公有云key加上前缀
  限制key必须是中英文、数字或者_
  允许只传key进行过滤
  取消key以_开头key限制
  metadata返回列表使用复数
  支持server disk 过滤
  支持标签

cmd/climc/shell/metadata.go

@@ -0,0 +1,22 @@
+package shell
+
+import (
+	"yunion.io/x/onecloud/pkg/mcclient"
+	"yunion.io/x/onecloud/pkg/mcclient/modules"
+	"yunion.io/x/onecloud/pkg/mcclient/options"
+)
+
+func init() {
+	R(&options.MetadataListOptions{}, "metadata-list", "List metadatas", func(s *mcclient.ClientSession, opts *options.MetadataListOptions) error {
+		params, err := options.ListStructToParams(opts)
+		if err != nil {
+			return err
+		}
+		result, err := modules.Metadatas.List(s, params)
+		if err != nil {
+			return err
+		}
+		printList(result, []string{})
+		return nil
+	})
+}

cmd/climc/shell/servers.go

@@ -85,6 +85,32 @@ func init() {
 		return nil
 	})
 
+	R(&options.ServerMetadataOptions{}, "server-add-tag", "Set tag of a server", func(s *mcclient.ClientSession, opts *options.ServerMetadataOptions) error {
+		params, err := opts.Params()
+		if err != nil {
+			return err
+		}
+		result, err := modules.Servers.PerformAction(s, opts.ID, "user-metadata", params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
+	R(&options.ServerMetadataOptions{}, "server-set-tag", "Set tag of a server", func(s *mcclient.ClientSession, opts *options.ServerMetadataOptions) error {
+		params, err := opts.Params()
+		if err != nil {
+			return err
+		}
+		result, err := modules.Servers.PerformAction(s, opts.ID, "set-user-metadata", params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
 	R(&options.ServerCreateOptions{}, "server-create", "Create a server", func(s *mcclient.ClientSession, opts *options.ServerCreateOptions) error {
 		params, err := opts.Params()
 		if err != nil {