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Add upgrade plan options to cluster upgrade docs #1059

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Jan 26, 2022
Merged

Add upgrade plan options to cluster upgrade docs #1059

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f90c662
Add upgrade plan options to cluster upgrade docs
chrisnegus Jan 26, 2022
591e2ff
Fixed small typo
chrisnegus Jan 26, 2022
4b1e510
Fixed format error
chrisnegus Jan 26, 2022
0aae289
Corrected json output options
chrisnegus Jan 26, 2022
99cc6d3
Review comments fixed.
chrisnegus Jan 26, 2022
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25 changes: 25 additions & 0 deletions docs/content/en/docs/tasks/cluster/cluster-upgrades.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ EKS Anywhere `upgrade` also supports upgrading the following core components:

* Core CAPI
* CAPI providers
* Cilium CNI plugin
* Cert-manager
* Etcdadm CAPI provider
* EKS Anywhere controllers and CRDs
Expand All @@ -46,6 +47,30 @@ version.
Irrespective of a Kubernetes version change, the upgrade command will always upgrade the internal EKS
Anywhere components mentioned above to their latest available versions. All upgrade changes are backwards compatible.

### Check upgrade components
Before you perform an upgrade, check the current and new versions of components that are ready to upgrade by typing:

```bash
eksctl anywhere upgrade plan cluster -f cluster.yaml
```
The output should appear similar to the following:

```
Worker node group name not specified. Defaulting name to md-0.
Warning: The recommended number of control plane nodes is 3 or 5
Worker node group name not specified. Defaulting name to md-0.
Checking new release availability...
NAME CURRENT VERSION NEXT VERSION
EKS-A v0.0.0-dev+build.1000+9886ba8 v0.0.0-dev+build.1105+46598cb
cluster-api v1.0.2+e8c48f5 v1.0.2+1274316
kubeadm v1.0.2+92c6d7e v1.0.2+aa1a03a
vsphere v1.0.1+efb002c v1.0.1+ef26ac1
kubadm v1.0.2+f002eae v1.0.2+f443dcf
etcdadm-bootstrap v1.0.2-rc3+54dcc82 v1.0.0-rc3+df07114
etcdadm-controller v1.0.2-rc3+a817792 v1.0.0-rc3+a310516
```
To the format output in json, add `-o json` to the end of the command line.

### Performing a cluster upgrade

To perform a cluster upgrade you can modify your cluster specification `kubernetesVersion` field to the desired version.
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