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[Doc] Clarify prerequisites for Che install.

See original GitHub issue

Is your enhancement related to a problem? Please describe.

The recent versions of Che runs on K8s or OpenShift. And I couldn’t find the minimum version information about K8s and OpenShift. As sometimes K8s API version is obsoleted and removed, clarifying supported versions is important to users. (refs comment in #15278 )

Previously, the similar issue was raised as #9576. But the link to the doc was broken. So it should be discussed again, IMO.

Describe the solution you’d like

Prerequisites (supported versions of K8s / OpenShift) are shown on eclipse/che/README.md or somewhere.

Describe alternatives you’ve considered

Just in case deploying with Helm, supported K8s version information can be embedded to Chart.yaml.

Subtasks

Find out what’s the minimum Kubernetes version supported: v1.9.11
Find out what’s the minimum OpenShift version supported: v3.11
Find out what’s the minimum helm version supported: v2.15.2
Mention the minimum versions in the installation requirements section of Che documentation
Add a chectl preflight check step that verifies that the platform version is supported:
- Check the version when --platform=k8s
- Check the version when --platform=openshift

Issue Analytics

State:
Created 4 years ago
Comments:7 (7 by maintainers)

Top GitHub Comments

1reaction

l0rdcommented, Jan 15, 2020

Makes sense @monaka thanks for raising it. @tolusha I am adding that to team/deploy as that’s something that should be check at installation time when using chectl (I have added that as a subtask). Anyway I think that the minimum versions are kubernetes 1.9 and OpenShift 3.8 but it should be verified.

0reactions

dmytro-ndpcommented, Feb 13, 2020

@tolusha, @l0rd: on PR check jobs we are normally installing Eclipse Che on minikube 1.1.1 by using helm of v2.13.0-rc.2+gb0d4c9e version. WDYT about setting helm minimal version to 2.13?

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