Fix new-style Network Device Naming on CentOS7

script/cleanup.sh

@@ -17,6 +17,42 @@ if [ -f /etc/sysconfig/network-scripts/ifcfg-eth0 ] ; then
     sed -i "/^UUID/d" /etc/sysconfig/network-scripts/ifcfg-eth0
 fi
 
+# new-style network device naming for centos7
+if grep -q -i "release 7" /etc/redhat-release ; then
+  # radio off & remove all interface configration
+  nmcli radio all off
+  /bin/systemctl stop NetworkManager.service
+  for ifcfg in `ls /etc/sysconfig/network-scripts/ifcfg-* |grep -v ifcfg-lo` ; do
+    rm -f $ifcfg
+  done
+  rm -rf /var/lib/NetworkManager/*
+
+  echo "==> Setup /etc/rc.d/rc.local for CentOS7"
+  cat <<_EOF_ | cat >> /etc/rc.d/rc.local
+
+#BOXCUTTER-BEGIN
+LANG=C
+
+# delete all connection
+for con in \`nmcli -t -f uuid con\`; do
+  if [ "\$con" != "" ]; then
+    nmcli con del \$con
+  fi
+done
+
+# add gateway interface connection.
+gwdev=\`nmcli dev | grep ethernet | egrep -v 'unmanaged' | head -n 1 | awk '{print \$1}'\`
+if [ "\$gwdev" != "" ]; then
+  nmcli c add type eth ifname \$gwdev con-name \$gwdev
+fi
+
+sed -i -e "/^#BOXCUTTER-BEGIN/,/^#BOXCUTTER-END/{s/^/# /}" /etc/rc.d/rc.local
+chmod -x /etc/rc.d/rc.local
+#BOXCUTTER-END
+_EOF_
+  chmod +x /etc/rc.d/rc.local
+fi
+
 echo "==> Cleaning up yum cache of metadata and packages to save space"
 yum -y clean all