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create and use kubeadm join token with no expiry

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Malte Poll 2022-03-28 11:33:28 +02:00 committed by Malte Poll
parent 037569cd85
commit 391e36c0ac
1 changed files with 16 additions and 1 deletions
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17
coordinator/kubernetes/k8sapi/util.go
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@ -79,8 +79,23 @@ func (k *KubernetesUtil) InitCluster(initConfig []byte) (*kubeadm.BootstrapToken
// Splits the string into a slice, where earch slice-element contains one line from the previous string
splittedJoinCommand := strings.SplitN(joinCommand, "\n", 2)
joinConfig, err := ParseJoinCommand(splittedJoinCommand[0])
if err != nil {
return nil, err
}
return ParseJoinCommand(splittedJoinCommand[0])
// create extra join token without expiration
cmd = exec.Command("kubeadm", "token", "create", "--ttl", "0")
joinToken, err := cmd.Output()
if err != nil {
var exitErr *exec.ExitError
if errors.As(err, &exitErr) {
return nil, fmt.Errorf("kubeadm token create failed (code %v) with: %s", exitErr.ExitCode(), exitErr.Stderr)
}
return nil, fmt.Errorf("kubeadm token create failed: %w", err)
}
joinConfig.Token = strings.TrimSpace(string(joinToken))
return joinConfig, nil
}
// SetupPodNetwork sets up the flannel pod network.