/
rest.go
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/
rest.go
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/*
Copyright 2022 The Firefly 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 resource
import (
"context"
"fmt"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
// GetClientConfigFromKubeConfigSecret reads a kubeconfig from the given namespace and secretName and
// returns a *rest.Config that the given user-agent is added.
func GetClientConfigFromKubeConfigSecret(client kubernetes.Interface, namespace, secretName, clientUserAgent string) (*restclient.Config, error) {
kubeconfigSecret, err := client.CoreV1().Secrets(namespace).Get(context.TODO(), secretName, metav1.GetOptions{})
if err != nil {
return nil, err
}
kubeconfig, ok := kubeconfigSecret.Data["kubeconfig"]
if !ok {
return nil, fmt.Errorf("the secret %s doesn't contain the kubeconfig field in the namespace %s", secretName, namespace)
}
config, err := clientcmd.NewClientConfigFromBytes(kubeconfig)
if err != nil {
return nil, err
}
clientConfig, err := config.ClientConfig()
if err != nil {
return nil, err
}
return restclient.AddUserAgent(clientConfig, clientUserAgent), nil
}