a490ac5cca
Automatic merge from submit-queue (batch tested with PRs 58008, 58351). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. update-swagger-spec.sh: when API server fails to start, show the last lines of logs **What this PR does / why we need it**: When API server fails to start there is no easy way to know why. You have to read the script where you will find that there is a log file that could have some useful info. This PR simplifies debugging: 1) it includes the path to the log file in the error message 2) it also shows the last 10 lines from this log Before this change: ``` +++ [0116 19:33:49] Starting kube-apiserver !!! [0116 19:34:19] Timed out waiting for apiserver: to answer at 127.0.0.1:8050/healthz; tried 30 waiting 1 between each !!! Error in ./hack/update-swagger-spec.sh:42 Error in ./hack/update-swagger-spec.sh:42. 'return 1' exited with status 1 Call stack: 1: ./hack/update-swagger-spec.sh:42 main(...) Exiting with status 1 +++ [0116 19:34:19] Clean up complete ``` After this change: ``` +++ [0116 19:42:41] Starting kube-apiserver !!! [0116 19:42:51] Timed out waiting for apiserver: to answer at 127.0.0.1:8050/healthz; tried 30 waiting 1 between each !!! [0116 19:42:51] Here are the last 10 lines from kube-apiserver (/tmp/swagger-api-server.log) !!! [0116 19:42:51] === BEGIN OF LOG === I0116 19:42:41.689355 30809 server.go:122] Version: v1.10.0-alpha.1.877+a02cb7c1f7d0d6-dirty I0116 19:42:41.942601 30809 serving.go:295] Generated self-signed cert (/tmp/update-swagger-spec.2Udp/certs/apiserver.crt, /tmp/update-swagger-spec.2Udp/certs/apiserver.key) I0116 19:42:41.942611 30809 server.go:647] external host was not specified, using 10.10.10.10 W0116 19:42:41.942618 30809 authentication.go:378] AnonymousAuth is not allowed with the AllowAll authorizer. Resetting AnonymousAuth to false. You should use a different authorizer error in initializing storage factory: group version podsecuritypolicy.admission.k8s.io/v1beta1 that has not been registered !!! [0116 19:42:51] === END OF LOG === +++ [0116 19:42:51] Clean up complete ``` **Release note**: ```release-note NONE ``` PTAL @cblecker @sttts CC @simo5 |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts, providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
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