Holden Karau created YUNIKORN-726:
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Summary: 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
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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