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https://issues.apache.org/jira/browse/YUNIKORN-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Craig Condit updated YUNIKORN-1112:
-----------------------------------
Description:
Currently, we call out to the yunikorn service from within the admission
controller to do config validations. This requires that yunikorn be reachable
by the admission controller for validation succeed. When running under
environments such as EKS with Calico, the services are not able to see one
another when connecting to the yunikorn service address. However, Kubernetes
provides several environment variables which can be used for this purpose:
YUNIKORN_SERVICE_SERVICE_HOST=\{snip}
YUNIKORN_SERVICE_SERVICE_PORT=9080
These are visible and reachable from within the admission controller container,
even though yunikorn-service is unresolvable.
was:Currently, we call out to the yunikorn service from within the admission
controller to do config validations. This requires that yunikorn be up,
healthy, and reachable by the admission controller for validation succeed. We
should embed the validation logic in the admission controller itself to
decouple the two components.
Issue Type: Bug (was: Improvement)
Summary: Use Kubernetes ENV vars for locating yunikorn service from
admission controller (was: Embed config validation logic into admission
controller)
> Use Kubernetes ENV vars for locating yunikorn service from admission
> controller
> -------------------------------------------------------------------------------
>
> Key: YUNIKORN-1112
> URL: https://issues.apache.org/jira/browse/YUNIKORN-1112
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: shim - kubernetes
> Reporter: Craig Condit
> Assignee: Craig Condit
> Priority: Major
> Fix For: 1.0.0
>
>
> Currently, we call out to the yunikorn service from within the admission
> controller to do config validations. This requires that yunikorn be reachable
> by the admission controller for validation succeed. When running under
> environments such as EKS with Calico, the services are not able to see one
> another when connecting to the yunikorn service address. However, Kubernetes
> provides several environment variables which can be used for this purpose:
>
> YUNIKORN_SERVICE_SERVICE_HOST=\{snip}
> YUNIKORN_SERVICE_SERVICE_PORT=9080
>
> These are visible and reachable from within the admission controller
> container, even though yunikorn-service is unresolvable.
>
>
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