Clean all network resources from neutron

neutron-clean-all.sh

#!/bin/bash

function get_ids {
    echo `$@ --fields=id | tail -n+4 | head -n-1 | awk '{ print $2 }'`
}

function get_body {
    echo `$@ | tail -n+4 | head -n-1`
}

INSTANCES=$(get_ids nova list)
if [ -n "$INSTANCES" ]; then
    nova delete $INSTANCES
fi

for id in $(get_ids neutron floatingip-list); do
    neutron floatingip-delete $id
done

for router_id in $(get_ids neutron router-list); do
    neutron router-gateway-clear $router_id
    for subnet_id in $(get_body neutron router-port-list $router_id | cut -d'"' -f4); do
        neutron router-interface-delete $router_id $subnet_id
    done
    neutron router-delete $router_id
done

for net_id in $(get_ids neutron net-list); do
    for port_id in $(get_ids neutron port-list --network-id=$net_id); do
        neutron port-delete $port_id
    done
    neutron net-delete $net_id
done