kubernetes https 源码
kubernetes https 代码
文件路径：/cmd/kubeadm/app/discovery/https/https.go
/*
Copyright 2016 The Kubernetes 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 https
import (
"io"
"net/http"
"time"
netutil "k8s.io/apimachinery/pkg/util/net"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
"k8s.io/kubernetes/cmd/kubeadm/app/discovery/file"
)
// RetrieveValidatedConfigInfo connects to the API Server and makes sure it can talk
// securely to the API Server using the provided CA cert and
// optionally refreshes the cluster-info information from the cluster-info ConfigMap
func RetrieveValidatedConfigInfo(httpsURL, clustername string, discoveryTimeout time.Duration) (*clientcmdapi.Config, error) {
client := &http.Client{Transport: netutil.SetOldTransportDefaults(&http.Transport{})}
response, err := client.Get(httpsURL)
if err != nil {
return nil, err
}
defer response.Body.Close()
kubeconfig, err := io.ReadAll(response.Body)
if err != nil {
return nil, err
}
config, err := clientcmd.Load(kubeconfig)
if err != nil {
return nil, err
}
return file.ValidateConfigInfo(config, clustername, discoveryTimeout)
}
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