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53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package https
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import (
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"io"
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"net/http"
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"time"
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netutil "k8s.io/apimachinery/pkg/util/net"
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"k8s.io/client-go/tools/clientcmd"
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clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
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"k8s.io/kubernetes/cmd/kubeadm/app/discovery/file"
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)
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// RetrieveValidatedConfigInfo connects to the API Server and makes sure it can talk
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// securely to the API Server using the provided CA cert and
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// optionally refreshes the cluster-info information from the cluster-info ConfigMap
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func RetrieveValidatedConfigInfo(httpsURL string, discoveryTimeout time.Duration) (*clientcmdapi.Config, error) {
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client := &http.Client{Transport: netutil.SetOldTransportDefaults(&http.Transport{})}
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response, err := client.Get(httpsURL)
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if err != nil {
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return nil, err
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}
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defer response.Body.Close()
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kubeconfig, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, err
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}
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config, err := clientcmd.Load(kubeconfig)
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if err != nil {
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return nil, err
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}
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return file.ValidateConfigInfo(config, discoveryTimeout)
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}
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