Generate the certificate for serving etcd
Generate the certificate for serving etcd, and save them into etcd/server.cert and etcd/server.key files.
Default SANs are localhost, 127.0.0.1, 127.0.0.1, ::1
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-server [flags]
--cert-dir string The path where to save and store the certificates. (default "/etc/kubernetes/pki") --config string Path to a kubeadm configuration file. --csr-dir string The path to output the CSRs and private keys to --csr-only Create CSRs instead of generating certificates -h, --help help for etcd-server
--rootfs string [EXPERIMENTAL] The path to the 'real' host root filesystem.
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