Generate the certificate for serving the Kubernetes API

Synopsis

Generate the certificate for serving the Kubernetes API, and save them into apiserver.crt and apiserver.key files.

If both files already exist, kubeadm skips the generation step and existing files will be used.

kubeadm init phase certs apiserver [flags]

Options

--apiserver-advertise-address string

The IP address the API Server will advertise it's listening on. If not set the default network interface will be used.

--apiserver-cert-extra-sans strings

Optional extra Subject Alternative Names (SANs) to use for the API Server serving certificate. Can be both IP addresses and DNS names.

--cert-dir string     Default: "/etc/kubernetes/pki"

The path where to save and store the certificates.

--config string

Path to a kubeadm configuration file.

--control-plane-endpoint string

Specify a stable IP address or DNS name for the control plane.

--dry-run

Don't apply any changes; just output what would be done.

-h, --help

help for apiserver

--kubernetes-version string     Default: "stable-1"

Choose a specific Kubernetes version for the control plane.

--service-cidr string     Default: "10.96.0.0/12"

Use alternative range of IP address for service VIPs.

--service-dns-domain string     Default: "cluster.local"

Use alternative domain for services, e.g. "myorg.internal".

Options inherited from parent commands

--rootfs string

[EXPERIMENTAL] The path to the 'real' host root filesystem.

Last modified August 17, 2024 at 3:44 PM PST: update kubeadm reference for v1.31 (88f0080504)