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kubeconfig.go
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kubeconfig.go
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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
}