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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
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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. - 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. - 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. - 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). 4. Manually upgrade your Software Defined Network (SDN).