61 lines
1.9 KiB
Go
61 lines
1.9 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 master
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import (
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"crypto/rsa"
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"crypto/x509"
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"fmt"
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// TODO: "k8s.io/client-go/client/tools/clientcmd/api"
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kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
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kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
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clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
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certutil "k8s.io/kubernetes/pkg/util/cert"
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)
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func CreateCertsAndConfigForClients(cfg kubeadmapi.API, clientNames []string, caKey *rsa.PrivateKey, caCert *x509.Certificate) (map[string]*clientcmdapi.Config, error) {
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basicClientConfig := kubeadmutil.CreateBasicClientConfig(
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"kubernetes",
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// TODO this is not great, but there is only one address we can use here
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// so we'll pick the first one, there is much of chance to have an empty
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// slice by the time this gets called
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fmt.Sprintf("https://%s:%d", cfg.AdvertiseAddresses[0], cfg.BindPort),
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certutil.EncodeCertPEM(caCert),
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)
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configs := map[string]*clientcmdapi.Config{}
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for _, client := range clientNames {
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key, cert, err := newClientKeyAndCert(caCert, caKey)
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if err != nil {
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return nil, fmt.Errorf("<master/kubeconfig> failure while creating %s client certificate - %v", client, err)
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}
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config := kubeadmutil.MakeClientConfigWithCerts(
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basicClientConfig,
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"kubernetes",
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client,
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certutil.EncodePrivateKeyPEM(key),
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certutil.EncodeCertPEM(cert),
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)
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configs[client] = config
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}
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return configs, nil
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}
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