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Posted to dev@yunikorn.apache.org by "Kinga Marton (Jira)" <ji...@apache.org> on 2021/10/11 10:31:00 UTC

[jira] [Resolved] (YUNIKORN-871) Admission controller should only validate yunikorn configmap changes

     [ https://issues.apache.org/jira/browse/YUNIKORN-871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kinga Marton resolved YUNIKORN-871.
-----------------------------------
    Fix Version/s: 1.0.0
       Resolution: Fixed

> Admission controller should only validate yunikorn configmap changes
> --------------------------------------------------------------------
>
>                 Key: YUNIKORN-871
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-871
>             Project: Apache YuniKorn
>          Issue Type: Bug
>          Components: shim - kubernetes
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.0.0
>
>
> Currently, the admission controller is watching all namespaces and tries to validate all configmap changes. But we only need to validate the yunikorn-related changes.
> Example:
> {noformat}
> $ kubectl logs yunikorn-admission-controller-695869b547-qtfpg
> ...
> 2021-10-04T11:52:19.379Z	INFO	webhook/webhook.go:83	the admission controller started	{"port": 9089, "listeningOn": ["/mutate", "/validate-conf"]}
> $ kubectl create namespace testnamespace
> namespace/testnamespace created
> $ kubectl create configmap my-config --from-literal=mykey=myval --namespace=testnamespace
> configmap/my-config created
> $ kubectl get cm
> NAME               DATA   AGE
> yunikorn-configs   1      11m
> $ kubectl get cm --namespace=testnamespace
> NAME        DATA   AGE
> my-config   1      17s
> $ kubectl logs yunikorn-admission-controller-695869b547-qtfpg
> ...
> 2021-10-04T11:52:19.379Z	INFO	webhook/webhook.go:83	the admission controller started	{"port": 9089, "listeningOn": ["/mutate", "/validate-conf"]}
> 2021-10-04T12:03:57.806Z	INFO	webhook/admission_controller.go:304	AdmissionReviewResponse	{"allowed": true}
> {noformat}
>  
>  We need something like the following in {{validations.yaml.template}}:
> {noformat}
> namespaceSelector:
>  matchLabels:
>    yunikorn
> {noformat}
> This problem was originally found by [~kmarton].



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