d7ec46c5de
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>. Split out the hostname when default dhcp_domain is used in nova.conf **What this PR does / why we need it**: When /etc/nova/nova.conf does not have specify dhcp_domain to empty string, a default string of '.novalocal' is returned by the meta data service. So we need to just split the string and pick the first one in the array. ``` $ curl http://169.254.169.254/latest/meta-data/hostname testvm-1.novalocal $ curl http://169.254.169.254/latest/meta-data/public-hostname testvm-1.novalocal $ curl http://169.254.169.254/latest/meta-data/local-hostname testvm-1.novalocal ``` **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 # **Special notes for your reviewer**: **Release note**: ```release-note NONE ```