Script to rolling restart global unit in fleet

roll-restart.sh

#!/bin/sh -e

SERVICE=$1
SLEEP=${2:-0}

if [ -z "$SERVICE" ]; then
  echo "Syntax: $0 service [sleep]"
  exit
fi

for MACHINE in $(fleetctl list-units -fields="unit,machine" -full | grep $SERVICE | awk '{split($2,a,"/"); print a[1]}')
do
	echo "$SERVICE | $MACHINE"
	fleetctl ssh $MACHINE "sudo systemctl restart $SERVICE && sleep 1 && sudo systemctl status $SERVICE"
	sleep $SLEEP
done