Automatically connect to a random VPN upon connecting to a network. Tested on Fedora 22

vpn-up

#!/bin/bash

VPN_NAME=""
i=0
VPN_COUNT=5
random=$RANDOM
for name in "Germany" "USA" "Canada" "Netherlands" "Sweden"
do
    if (( random % VPN_COUNT == ++i )); then
        VPN_NAME=$name
    fi
done

status=$2
case $status in
  up|vpn-down)
    nmcli con up id "$VPN_NAME"
    ;;
  down)
    if nmcli con status id "$VPN_NAME" | grep -qs activated; then
      nmcli con down id "$VPN_NAME"
    fi
    ;;
esac