openstack shell example

get vpn router:

    vpn_routers=(`neutron vpn-service-list -c router_id | head -n -1 | tail -n +4 | awk '{print $2}' | sort`)

get router without gateway:

    no_ext_routers=(`neutron router-list -c id -c external_gateway_info | grep "null" | awk '{print $2}' | sort`)

for vpn_router in ${vpn_routers[@]}; do
    if [ $vpn_router = $no_ext_router ]; then
    fi
done

  vpn_service=`neutron vpn-service-list -c id -c router_id | grep $router | awk '{print $2}'`
  tenant=`neutron vpn-service-list -c id -c tenant_id | grep $vpn_service | awk '{print $4}'`
  hostname=`neutron l3-agent-list-hosting-router $router | head -n -1 | tail -n +4 | awk '{print $4}'`

  flg=`neutron ipsec-site-connection-list -c id -c vpnservice_id | grep $vpn_service > /dev/null 2>&1;echo $?`
  site_connection=`neutron ipsec-site-connection-list -c id -c vpnservice_id | grep $vpn_service | awk '{print $2}'`