/
kubeconfig_helpers.go
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/
kubeconfig_helpers.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package kubeconfig
import (
"fmt"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
)
// CreateBasic creates a basic, general KubeConfig object that then can be extended
func CreateBasic(serverURL, clusterName, userName string, caCert []byte) *clientcmdapi.Config {
// Use the cluster and the username as the context name
contextName := fmt.Sprintf("%s@%s", userName, clusterName)
return &clientcmdapi.Config{
Clusters: map[string]*clientcmdapi.Cluster{
clusterName: {
Server: serverURL,
CertificateAuthorityData: caCert,
},
},
Contexts: map[string]*clientcmdapi.Context{
contextName: {
Cluster: clusterName,
AuthInfo: userName,
},
},
AuthInfos: map[string]*clientcmdapi.AuthInfo{},
CurrentContext: contextName,
}
}
// CreateWithCerts creates a KubeConfig object with access to the API server with client certificates
func CreateWithCerts(serverURL, clusterName, userName string, caCert []byte, clientKey []byte, clientCert []byte) *clientcmdapi.Config {
config := CreateBasic(serverURL, clusterName, userName, caCert)
config.AuthInfos[userName] = &clientcmdapi.AuthInfo{
ClientKeyData: clientKey,
ClientCertificateData: clientCert,
}
return config
}
// CreateWithToken creates a KubeConfig object with access to the API server with a token
func CreateWithToken(serverURL, clusterName, userName string, caCert []byte, token string) *clientcmdapi.Config {
config := CreateBasic(serverURL, clusterName, userName, caCert)
config.AuthInfos[userName] = &clientcmdapi.AuthInfo{
Token: token,
}
return config
}