add-tenant-networks

#!/bin/bash
# script to create new tenant networks

SPECIAL_OPTIONS=
EXT_TO_INT="ext-to-int"
NET_EXIST="NO"

# tenant network to create
GATEWAY="192.168.111.1"
NETWORK_ID="192.168.111.0/24"

echo 'enter tenant name'
read -r TENANT_NAME

TENANT_NAME_LOWERCASE=${TENANT_NAME,,}
TENANT_ID=`keystone tenant-list | grep $TENANT_NAME  | awk '{print $2}'`

if [[ $TENANT_ID == "" ]]; then
	echo "ERROR :: tenant $TENANT_ID not found !"
	TENANT_ID="== ==### NOT FOUND "
fi

NET="net"
POOL="pool"


# router ext-int id
ROUTER_ID=`neutron router-list | grep $EXT_TO_INT | awk '{print $2}'`

echo ""
echo "gateway: $GATEWAY"
echo "network_id: $NETWORK_ID"
echo "external_network: $EXT_TO_INT"
echo "router_id: $ROUTER_ID"
echo "tenant_name: $TENANT_NAME"
echo "tenant_id: $TENANT_ID"
echo "net_name: $TENANT_NAME_LOWERCASE-$NET"
echo "subnet_name: $TENANT_NAME_LOWERCASE-$POOL"
echo ""

# CHECK network_id
neutron net-list | grep $NETWORK_ID
if [[ $? -eq 0 ]]; then
    echo ""
    echo "Network id: ${NETWORK_ID} exists, fix NETWORK_ID and GATEWAY"
    exit
fi

echo 'do you want to continue? (Yes / No)'
read -r ANSWER

if [[ $ANSWER == "No" || $ANSWER == "" ]]; then
	exit 0
fi

# CHECK network
neutron net-list | grep $TENANT_NAME_LOWERCASE-$NET
if [[ $? -eq 0 ]]; then

	# ADD subnet
	neutron subnet-create --tenant-id $TENANT_ID $TENANT_NAME_LOWERCASE-$NET $NETWORK_ID --gateway $GATEWAY --name $TENANT_NAME_LOWERCASE-$POOL
else
	
	# ADD network
	neutron net-create --tenant-id $TENANT_ID $TENANT_NAME_LOWERCASE-$NET $SPECIAL_OPTIONS

	# ADD subnet
	neutron subnet-create --tenant-id $TENANT_ID $TENANT_NAME_LOWERCASE-$NET $NETWORK_ID --gateway $GATEWAY --name $TENANT_NAME_LOWERCASE-$POOL
fi


# CHECK subnet
neutron subnet-list | grep $TENANT_NAME_LOWERCASE-$POOL
TENANT_NET_SUBNET_ID=`neutron subnet-list | grep $TENANT_NAME_LOWERCASE-$POOL | awk '{print $2}'`

if [[ $? -eq 0 ]]; then
	
	# ADD router interface
	neutron router-interface-add $ROUTER_ID $TENANT_NET_SUBNET_ID
fi