Backport of k8s compat - Openshift versions into release/1.16.x (#18442)

* backport of commit daf12684a88d5879ede2709cf0422695294c90a3

* backport of commit fa7ec66c1308d6aeb5081a787397cdec86177d4d

---------

Co-authored-by: David Yu <dyu@hashicorp.com>
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hc-github-team-consul-core 2023-08-10 16:48:30 -04:00 committed by GitHub
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@ -13,11 +13,11 @@ For every release of Consul on Kubernetes, a Helm chart, `consul-k8s-control-pla
Consul Kubernetes versions all of its components (`consul-k8s` CLI, `consul-k8s-control-plane`, and Helm chart) with a single semantic version. When installing or upgrading to a specific versions, ensure that you are using the correct Consul version with the compatible Helm chart or `consul-k8s` CLI.
| Consul version | Compatible `consul-k8s` versions | Compatible Kubernetes versions |
| -------------- | -------------------------------- | -------------------------------|
| 1.16.x | 1.2.x | 1.24.x - 1.27.x |
| 1.15.x | 1.1.x | 1.23.x - 1.26.x |
| 1.14.x | 1.0.x | 1.22.x - 1.25.x |
| Consul version | Compatible `consul-k8s` versions | Compatible Kubernetes versions | Compatible OpenShift versions |
| -------------- | -------------------------------- | -------------------------------| ----------------------------- |
| 1.16.x | 1.2.x | 1.24.x - 1.27.x | 4.11.x - 4.14.x |
| 1.15.x | 1.1.x | 1.23.x - 1.26.x | 4.10.x - 4.13.x |
| 1.14.x | 1.0.x | 1.22.x - 1.25.x | 4.9.x - 4.12.x |
### Version-specific upgrade requirements
@ -41,9 +41,7 @@ Starting with Consul K8s 0.39.0 and Consul 1.11.x, Consul Kubernetes supports th
### Red Hat OpenShift
Consul Kubernetes delivered Red Hat OpenShift support starting with Consul Helm chart version 0.25.0 for Consul 1.8.4. Please note the following details regarding OpenShift support.
- Red Hat OpenShift is only supported for OpenShift 4.4.x and above.
You can enable support for Red Hat OpenShift by setting `enabled: true` in the `global.openshift` stanza. Refer to the [Deploy Consul on RedHat OpenShift tutorial](https://developer.hashicorp.com/consul/tutorials/kubernetes/kubernetes-openshift-red-hat) for instructions on deploying to OpenShift.
- Only the default CNI Plugin, [OpenShift SDN CNI Plugin](https://docs.openshift.com/container-platform/4.9/networking/openshift_sdn/about-openshift-sdn.html) is currently supported.
### VMware Tanzu Kubernetes Grid and Tanzu Kubernetes Grid Integrated Edition