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Posted to issues@yunikorn.apache.org by "Amit Sharma (Jira)" <ji...@apache.org> on 2021/05/11 23:02:00 UTC
[jira] [Comment Edited] (YUNIKORN-649) [Umbrella] Improvements for
user identity retrieval and ACLs
[ https://issues.apache.org/jira/browse/YUNIKORN-649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17342910#comment-17342910 ]
Amit Sharma edited comment on YUNIKORN-649 at 5/11/21, 11:01 PM:
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Thanks [~wwei] for approval. Considering this closed.
was (Author: avsamit6600):
Thanks [~wwei] for approval this. Considering this closed.
> [Umbrella] Improvements for user identity retrieval and ACLs
> ------------------------------------------------------------
>
> Key: YUNIKORN-649
> URL: https://issues.apache.org/jira/browse/YUNIKORN-649
> Project: Apache YuniKorn
> Issue Type: Improvement
> Components: shim - kubernetes
> Reporter: Amit Sharma
> Assignee: Amit Sharma
> Priority: Critical
> Fix For: 0.11
>
>
> The Kubernetes metadata does not carry user information by design. This can be referred here.
> [https://kubernetes.io/docs/reference/access-authn-authz/authentication/]
> Here is how Yunikorn determines the user from k8s metadata (Service Account)
> [https://github.com/apache/incubator-yunikorn-k8shim/blob/7648f29e50692fbb760480c586f8e3a1110eb15b/pkg/appmgmt/general/general.go#L126]
> The only thing close to any identity is a ServiceAccount. However, this is not the ideal way of looking at identities as there is no authentication mechanism for the service account directly. It relies on the authentication mechanism deployed on the cluster. The cluster authentication mechanism varies from deployment to deployment.
> There are 2 possible ways of doing this.
> 1) One generic solution can be to modify the source of the user from ServiceAccount to a Label/Annotation.
> 2) Extending point 1, instead of changing from service account to label/annotation, it can be a configurable field which defaults to Label/Annotation.
> While point 2 provides more user flexibility, it also reduces the structure or clear path that Yunikorn can follow in determining a user.
> Since Yunikorn is expected to be primarily deployed by owners of a Kubernetes platform rather than individual applications, we can share a structure using point 1 as a solution.
> Please share your thoughts.
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