diff --git a/cluster/aws/templates/salt-minion.sh b/cluster/aws/templates/salt-minion.sh index e889445ca02..2fc84579e3d 100755 --- a/cluster/aws/templates/salt-minion.sh +++ b/cluster/aws/templates/salt-minion.sh @@ -30,6 +30,18 @@ grains: cloud: aws EOF +# We set the hostname_override to the full EC2 private dns name +# we'd like to use EC2 instance-id, but currently the kubelet health-check assumes the name +# is resolvable, although that check should be going away entirely (#7092) +if [[ -z "${HOSTNAME_OVERRIDE}" ]]; then + HOSTNAME_OVERRIDE=`curl --silent curl http://169.254.169.254/2007-01-19/meta-data/local-hostname` +fi + +if [[ -n "${HOSTNAME_OVERRIDE}" ]]; then + cat <>/etc/salt/minion.d/grains.conf + hostname_override: "${HOSTNAME_OVERRIDE}" +EOF +fi if [[ -n "${DOCKER_OPTS}" ]]; then cat <>/etc/salt/minion.d/grains.conf