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[Doc] Clarify prerequisites for Che install. #15680

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6 tasks done
monaka opened this issue Jan 14, 2020 · 7 comments
Closed
6 tasks done

[Doc] Clarify prerequisites for Che install. #15680

monaka opened this issue Jan 14, 2020 · 7 comments
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@tolusha
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area/chectl Issues related to chectl, the CLI of Che area/doc Issues related to documentation area/install Issues related to installation, including offline/air gap and initial setup kind/enhancement A feature request - must adhere to the feature request template. severity/P1 Has a major impact to usage or development of the system.
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7.9.0

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@monaka
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monaka commented Jan 14, 2020 •
edited by tolusha
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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
@monaka monaka added the kind/enhancement A feature request - must adhere to the feature request template. label Jan 14, 2020
@l0rd l0rd added area/doc Issues related to documentation team/deploy area/install Issues related to installation, including offline/air gap and initial setup severity/P1 Has a major impact to usage or development of the system. labels Jan 15, 2020
@l0rd
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l0rd commented 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.

@l0rd l0rd added the area/chectl Issues related to chectl, the CLI of Che label Jan 15, 2020
@tolusha
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tolusha commented Jan 15, 2020

@l0rd
It make sense to take in a new sprint

@l0rd
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l0rd commented Jan 17, 2020

I have added a task to check helm version as well because I just figure out on my local laptop that installation fails with helm v2.12.3

@tolusha tolusha added this to the Backlog - Deploy milestone Jan 23, 2020
@tolusha tolusha mentioned this issue Jan 27, 2020
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@tolusha tolusha added the status/in-progress This issue has been taken by an engineer and is under active development. label Jan 30, 2020
@tolusha tolusha self-assigned this Jan 30, 2020
@tolusha
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tolusha commented Jan 30, 2020

@l0rd
Is there any strategy to find out the minimal version of supported components
I can try to install different versions, but is there any better approach?

@tolusha
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tolusha commented Jan 30, 2020 •
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Accordingly to the doc

  • Openshift v3.11 [1]
  • Kubernetes v1.9 [2]

[1] https://www.eclipse.org/che/docs/che-7/installing-che-on-openshift-3-using-the-operator/
[2] https://www.eclipse.org/che/docs/pages/che-7/overview/proc_using-minikube-to-set-up-kubernetes.html

@l0rd
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l0rd commented Jan 30, 2020

@tolusha no I don't think we have another option. We need to install different versions and test.

@tolusha tolusha mentioned this issue Feb 10, 2020
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@dmytro-ndp
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@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?

@tolusha tolusha mentioned this issue Feb 14, 2020
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@tolusha tolusha closed this as completed Feb 14, 2020
@tolusha tolusha mentioned this issue Feb 15, 2020
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@slemeur slemeur mentioned this issue Feb 18, 2020
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@tolusha tolusha removed the status/in-progress This issue has been taken by an engineer and is under active development. label Feb 20, 2020
@tolusha tolusha modified the milestones: Backlog - Deploy, 7.9.0 Feb 28, 2020
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@tolusha tolusha

Labels
area/chectl Issues related to chectl, the CLI of Che area/doc Issues related to documentation area/install Issues related to installation, including offline/air gap and initial setup kind/enhancement A feature request - must adhere to the feature request template. severity/P1 Has a major impact to usage or development of the system.
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@monaka @l0rd @dmytro-ndp @tolusha