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name.go
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name.go
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// Copyright 2019 Antrea Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package k8s
import (
"fmt"
"strconv"
"strings"
)
// NamespacedName generates the conventional K8s resource name,
// which connects namespace and name with "/".
func NamespacedName(namespace, name string) string {
if namespace == "" {
// Cluster scoped resources will contain empty namespace.
return name
}
return namespace + "/" + name
}
// SplitNamespacedName splits conventional K8s resource name
// to Namespace and Resource Name
func SplitNamespacedName(name string) (string, string) {
tokens := strings.Split(name, "/")
if len(tokens) == 2 {
return tokens[0], tokens[1]
}
return "", tokens[0]
}
func ParseStatefulSetName(name string) (statefulSetName string, index int, err error) {
splittedName := strings.Split(name, "-")
if len(splittedName) < 2 {
err = fmt.Errorf("invalid StatefulSet name: %s", name)
return
}
index, err = strconv.Atoi(splittedName[len(splittedName)-1])
if err != nil {
return
}
statefulSetName = strings.Join(splittedName[:len(splittedName)-1], "-")
return
}