1 // Copyright 2021 Chaos Mesh Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 16 package label 17 18 import ( 19 "fmt" 20 "strings" 21 ) 22 23 // Label is the label field in metadata 24 type Label map[string]string 25 26 // String converts label to a string 27 func (l Label) String() string { 28 var arr []string 29 30 for k, v := range l { 31 if len(k) == 0 { 32 continue 33 } 34 35 arr = append(arr, fmt.Sprintf("%s=%s", k, v)) 36 } 37 38 return strings.Join(arr, ",") 39 } 40