Midonet automatic tunnel zone

midonet_tzone.sh

#!/bin/bash

midonet-cli -e "list host" > /tmp/midonet-hosts.list

if midonet-cli -e list tunnel-zone 2>&1 | grep tz
then
        TZONE0=$(midonet-cli -e list tunnel-zone | awk '{ print $2 }')
else
        TZONE0=$(midonet-cli -e "tunnel-zone create name tz type vxlan")
fi

# This regex takes all the 10.0.X.X addresses, change it to switch your needs
regex="host[[:space:]]([A-Za-z0-9._%+-]+).*(10\.0\.[0-9]{1,3}\.[0-9]{1,3})"

while read line
do  if [[ $line =~ $regex ]]
  then
   HOST_ID=${BASH_REMATCH[1]}
   HOST_IP=${BASH_REMATCH[2]}
   midonet-cli -e "tunnel-zone $TZONE0 add member host $HOST_ID address $HOST_IP"
  fi
done < /tmp/midonet-hosts.list