mirror of https://github.com/k3s-io/k3s
cb1ef9f7e8
Automatic merge from submit-queue. 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>. error out empty hostname **What this PR does / why we need it**: For linux, the hostname is read from file `/proc/sys/kernel/hostname` directly, which can be overwritten with whitespaces. Should error out such invalid hostnames. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes kubernetes/kubeadm#835 **Special notes for your reviewer**: /cc luxas timothysc **Release note**: ```release-note nodes: improve handling of erroneous host names ``` |
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