Lubomir I. Ivanov 2fc19136c1 kubeadm: print the stack trace of an error for klog level v>=5 ...

- replace all stray calls of os.Exit() to util.CheckError() instead
- CheckError() now checks if the klog verbosity level is >=5
and shows a stack trace of the error
- don't call klog.Fatal in version.go

2019-08-22 20:09:54 +03:00

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