tripleo-puppet-elements/elements/overcloud-compute/pre-install.d/03-centos-rt

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#!/bin/bash -x
if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
if [[ "$DISTRO_NAME" == *"centos"* ]]; then
current_rt_repo=$(yum repolist all|grep "centos7-rt" |awk '{print $1}'| head -n 1 || true)
if [[ "$current_rt_repo" == "" ]]; then
cat << EOF > /etc/yum.repos.d/centos7-rt.repo
[centos7-rt]
name=CentOS 7 - Realtime
baseurl=http://mirror.centos.org/centos/7/rt/x86_64/
enabled=1
gpgcheck=0
EOF
else
yum-config-manager --enable $current_rt_repo
fi
fi