github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/pkg/runtime/update_cert.go (about)

     1  // Copyright © 2021 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package runtime
    16  
    17  import "fmt"
    18  
    19  func (k *KubeadmRuntime) updateCert(certs []string) error {
    20  	k.setCertSANS(append(k.getCertSANS(), certs...))
    21  	ssh, err := k.getHostSSHClient(k.GetMaster0IP())
    22  	if err != nil {
    23  		return fmt.Errorf("failed to update cert, %v", err)
    24  	}
    25  	if err := ssh.CmdAsync(k.GetMaster0IP(), "rm -rf /etc/kubernetes/admin.conf"); err != nil {
    26  		return err
    27  	}
    28  
    29  	pipeline := []func() error{
    30  		k.ConfigKubeadmOnMaster0,
    31  		k.GenerateCert,
    32  		k.CreateKubeConfig,
    33  	}
    34  
    35  	for _, f := range pipeline {
    36  		if err := f(); err != nil {
    37  			return fmt.Errorf("failed to init master0 %v", err)
    38  		}
    39  	}
    40  	if err := k.SendJoinMasterKubeConfigs([]string{k.GetMaster0IP()}, AdminConf, ControllerConf, SchedulerConf, KubeletConf); err != nil {
    41  		return err
    42  	}
    43  
    44  	if err := k.GetKubectlAndKubeconfig(); err != nil {
    45  		return err
    46  	}
    47  
    48  	return nil
    49  }