network_teardown.sh

#!/bin/bash

# -------------------------------------------------------
# - Deletes networks created by ansible-openshift       -
# - Author: Doug Smith - twitter @dougbtv               -
# -------------------------------------------------------

# What's the cluster name?
CLUSTER_NAME="test_cluster"

# Always source the overcloud
source ~/overcloudrc

# make newlines the only separator
IFS=$'\n'       

# See if there's any floating IPs
neutron floatingip-list | grep -P "\d" &> /dev/null

if [ $? -eq 0 ]
then
  echo "Clear all floating IPs"
  for floating_ip in $(neutron floatingip-list | grep -P "\d" | awk '{print $2}')
  do
    neutron floatingip-delete $floating_ip
  done
else
  echo "No floating IPs to delete"
fi

# Get the router ID
neutron router-list | grep $CLUSTER_NAME &> /dev/null

if [ $? -ne 0 ];
then
  echo "No router found"
  exit 1
fi

router_id=$(neutron router-list | grep $CLUSTER_NAME | awk '{print $2}')

echo "Operating on router: $router_id"

echo "Clearing gateway"
neutron router-gateway-clear $router_id

echo "Clearing ports"
for subnet_port_id in $(neutron router-port-list $router_id | grep -i "subnet_id" | perl -p -i -e 's/^.+subnet_id": "([\da-f\-]+).+$/$1/')
do
  # syntax is: `neutron router-interface-delete ROUTER_ID SUBNET_ID` (subnet ID is on the right in the port list)
  neutron router-interface-delete $router_id $subnet_port_id
done

echo "Deleting router"
neutron router-delete $router_id

echo "Deleting subnets"
for subnet_id in $(neutron subnet-list | grep $CLUSTER_NAME | awk '{print $2}')
do

  neutron port-list | grep $subnet_id &> /dev/null
  if [ $? -eq 0 ];
  then
    echo "Removing ports"
    for port_id in $(neutron port-list | grep $subnet_id | awk '{print $2}')
    do     
      neutron port-delete $port_id
    done
  fi

  neutron subnet-delete $subnet_id
done

echo "Deleting networks"
for network_id in $(neutron net-list | grep $CLUSTER_NAME | awk '{print $2}')
do
  neutron net-delete $network_id
done