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Document the renewal of apiserver cert and key files. (#6901)

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Peter (XiangPeng) Zhao
2018-01-10 01:30:06 +08:00
committed by Steve Perry
parent 9581522743
commit 3e8668976d
1 changed files with 1 additions and 0 deletions
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docs/tasks/administer-cluster/kubeadm-upgrade-1-9.md
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@@ -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).