From 3e8668976d76126e7a85e782def4f8a9a6bd721b Mon Sep 17 00:00:00 2001 From: "Peter (XiangPeng) Zhao" Date: Wed, 10 Jan 2018 01:30:06 +0800 Subject: [PATCH] Document the renewal of apiserver cert and key files. (#6901) --- docs/tasks/administer-cluster/kubeadm-upgrade-1-9.md | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/tasks/administer-cluster/kubeadm-upgrade-1-9.md b/docs/tasks/administer-cluster/kubeadm-upgrade-1-9.md index d684cc04b3..139c72a986 100644 --- a/docs/tasks/administer-cluster/kubeadm-upgrade-1-9.md +++ b/docs/tasks/administer-cluster/kubeadm-upgrade-1-9.md @@ -178,6 +178,7 @@ To upgrade the cluster with CoreDNS as the default internal DNS, invoke `kubeadm - Makes sure the control plane images are available or available to pull to the machine. - Upgrades the control plane components or rollbacks if any of them fails to come up. - Applies the new `kube-dns` and `kube-proxy` manifests and enforces that all necessary RBAC rules are created. +- Creates new certificate and key files of apiserver and backs up old files if they're about to expire in 180 days. 4. Manually upgrade your Software Defined Network (SDN).