for provider post. script for creating external provider network

ext.sh

echo create the external network...
neutron net-create --provider:network_type flat --provider:physical_network joshnet --router:external EXTNET
echo create the external network's subnet including this subnet's gateway...
neutron subnet-create EXTNET --name EXTSUB --allocation-pool start=10.11.12.20,end=10.11.12.30 10.11.12.0/24 --gateway 10.11.12.1

echo create the internal network...
neutron net-create INTNET
echo create the internal network's subnet
neutron subnet-create INTNET --name S1 --allocation-pool start=192.168.2.100,end=192.168.2.120 192.168.2.0/24

echo create the router...
neutron router-create ROUTER
echo define the router's gateway as the external network...
neutron router-gateway-set ROUTER EXTNET
echo add a leg for the internal network to the router...
neutron router-interface-add ROUTER S1

echo create add a VM on the internal network...
nova boot --image cirros-0.3.4-x86_64-uec --nic net-id=$(neutron net-list | awk "/INTNET/ {print \$2}") --flavor m1.nano vm_left --availability-zone nova:control

echo add a floating IP for the VM
nova floating-ip-create EXTNET
nova floating-ip-associate vm_left $(nova floating-ip-list | awk '/EXTNET/ {print $4}')