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Posted to issues@yunikorn.apache.org by "Weiwei Yang (Jira)" <ji...@apache.org> on 2021/06/23 23:19:00 UTC
[jira] [Commented] (YUNIKORN-726) Quick start results in admission
controller crashloop back off.
[ https://issues.apache.org/jira/browse/YUNIKORN-726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17368525#comment-17368525 ]
Weiwei Yang commented on YUNIKORN-726:
--------------------------------------
Hi [~holden]
K8s 1.21 is not supported yet. We are about to close the K8s 1.20 support: https://issues.apache.org/jira/browse/YUNIKORN-698.
I wonder this might be related to https://issues.apache.org/jira/browse/YUNIKORN-625, [~kmarton] can comment more, maybe you can apply that fix to retry, or use a lower version K8s instead, e.g 1.19/1.20.
> Quick start results in admission controller crashloop back off.
> ---------------------------------------------------------------
>
> Key: YUNIKORN-726
> URL: https://issues.apache.org/jira/browse/YUNIKORN-726
> Project: Apache YuniKorn
> Issue Type: Improvement
> Reporter: Holden Karau
> Priority: Major
>
> Following the quick start guide at [https://yunikorn.apache.org/docs/] the admission controller fails start with an error indicating that it can't read the PEM data in the certificate input. Looking at the webhook-server-tls there is data in the key.pem but not cert.pem.
>
> This is on K3s 1.21
>
> {code:java}
> 2021-06-23T23:09:33.107Z INFO log/logger.go:93 scheduler configuration, pretty print {"configs": "{\n \"clusterId\": \"my-kube-cluster\",\n \"clusterVersion\": \"0.1\",\n \"policyGroup\": \"queues\",\n \"schedulingIntervalSecond\": 1000000000,\n \"absoluteKubeConfigFilePath\": \"\",\n \"loggingLevel\": 0,\n \"logEncoding\": \"console\",\n \"logFilePath\": \"\",\n \"volumeBindTimeout\": 10000000000,\n \"testMode\": false,\n \"eventChannelCapacity\": 1048576,\n \"dispatchTimeout\": 300000000000,\n \"kubeQPS\": 1000,\n \"kubeBurst\": 1000,\n \"predicates\": \"\",\n \"operatorPlugins\": \"general,yunikorn-app\",\n \"enableConfigHotRefresh\": false\n}"}2021-06-23T23:09:33.107Z INFO log/logger.go:93 scheduler configuration, pretty print {"configs": "{\n \"clusterId\": \"my-kube-cluster\",\n \"clusterVersion\": \"0.1\",\n \"policyGroup\": \"queues\",\n \"schedulingIntervalSecond\": 1000000000,\n \"absoluteKubeConfigFilePath\": \"\",\n \"loggingLevel\": 0,\n \"logEncoding\": \"console\",\n \"logFilePath\": \"\",\n \"volumeBindTimeout\": 10000000000,\n \"testMode\": false,\n \"eventChannelCapacity\": 1048576,\n \"dispatchTimeout\": 300000000000,\n \"kubeQPS\": 1000,\n \"kubeBurst\": 1000,\n \"predicates\": \"\",\n \"operatorPlugins\": \"general,yunikorn-app\",\n \"enableConfigHotRefresh\": false\n}"}2021-06-23T23:09:33.107Z FATAL webhook/webhook.go:56 Failed to load key pair {"error": "tls: failed to find any PEM data in certificate input"}main.main /Users/boyuan/go/src/yunikorn-release-v0.10.0/incubator-yunikorn-release/staging/apache-yunikorn-0.10.0-incubating-src/k8shim/pkg/plugin/admissioncontrollers/webhook/webhook.go:56runtime.main /Users/boyuan/go/install/go1.14.14/src/runtime/proc.go:203{code}
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