F5 VLAN and Self IP generator

f5-vlan-selfip-maker.sh

#!/bin/bash
while read VLAN_ID VLAN_NAME SUBNET MASKLEN; do
  export MEMBER_A_IP=${SUBNET%.*}.252/${MASKLEN}
  export MEMBER_B_IP=${SUBNET%.*}.253/${MASKLEN}
  export VIP=${SUBNET%.*}.254/${MASKLEN}
  for member in A B; do
    printf 'For member %s:\n' $member
    printf 'create net vlan %s interfaces add { internal { tagged } } tag %s\n' $VLAN_NAME $VLAN_ID
    printf 'create net self me.%s { address %s traffic-group traffic-group-local-only vlan %s }\n' $VLAN_NAME $(eval echo '$MEMBER_'$member'_IP') $VLAN_NAME
    printf 'create net self float.%s { address %s traffic-group traffic-group-1 vlan %s }\n' $VLAN_NAME $VIP $VLAN_NAME
    printf '\n\n'
  done
done < "${1:-/proc/self/fd/0}"