Generate the self-signed CA to provision identities for etcd, and save them into etcd/ca.cert and etcd/ca.key files.
If both files already exist, kubeadm skips the generation step and existing files will be used.
Alpha Disclaimer: this command is currently alpha.
kubeadm init phase certs etcd-ca [flags]
|--cert-dir string Default: "/etc/kubernetes/pki"|
|The path where to save and store the certificates.|
|Path to a kubeadm configuration file.|
|help for etcd-ca|
|--kubernetes-version string Default: "stable-1"|
|Choose a specific Kubernetes version for the control plane.|
|[EXPERIMENTAL] The path to the 'real' host root filesystem.|
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