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.TH KUBERNETES(1) kubernetes User Manuals
Eric Paris
Jan 2015

.SH NAME
.PP
kubeadm join phase control-plane-prepare download-certs - [EXPERIMENTAL] Download certificates shared among control-plane nodes from the kubeadm-certs Secret


.SH SYNOPSIS
.PP
\fBkubeadm join phase control-plane-prepare download-certs\fP [OPTIONS]


.SH DESCRIPTION
.PP
[EXPERIMENTAL] Download certificates shared among control-plane nodes from the kubeadm-certs Secret


.SH OPTIONS
.PP
\fB--certificate-key\fP=""
	Use this key to decrypt the certificate secrets uploaded by init. The certificate key is a hex encoded string that is an AES key of size 32 bytes.

.PP
\fB--config\fP=""
	Path to a kubeadm configuration file.

.PP
\fB--control-plane\fP=false
	Create a new control plane instance on this node

.PP
\fB--discovery-file\fP=""
	For file-based discovery, a file or URL from which to load cluster information.

.PP
\fB--discovery-token\fP=""
	For token-based discovery, the token used to validate cluster information fetched from the API server.

.PP
\fB--discovery-token-ca-cert-hash\fP=[]
	For token-based discovery, validate that the root CA public key matches this hash (format: ":").

.PP
\fB--discovery-token-unsafe-skip-ca-verification\fP=false
	For token-based discovery, allow joining without --discovery-token-ca-cert-hash pinning.

.PP
\fB--dry-run\fP=false
	Don't apply any changes; just output what would be done.

.PP
\fB--tls-bootstrap-token\fP=""
	Specify the token used to temporarily authenticate with the Kubernetes Control Plane while joining the node.

.PP
\fB--token\fP=""
	Use this token for both discovery-token and tls-bootstrap-token when those values are not provided.


.SH OPTIONS INHERITED FROM PARENT COMMANDS
.PP
\fB--rootfs\fP=""
	[EXPERIMENTAL] The path to the 'real' host root filesystem.

.PP
\fB--version\fP=false
	--version, --version=raw prints version information and quits; --version=vX.Y.Z... sets the reported version


.SH SEE ALSO
.PP
\fBkubeadm-join-phase-control-plane-prepare(1)\fP,


.SH HISTORY
.PP
January 2015, Originally compiled by Eric Paris (eparis at redhat dot com) based on the kubernetes source material, but hopefully they have been automatically generated since!