start script to kick off a master and then slaves via ssh across multiple machines

start_locust

#!/bin/bash
#start script to kick off a master and then slaves via ssh across multiple machines
RUN_AS=${1:-$(whoami)}


SLAVE_CMD="nohup locust -f /opt/swarm//app1/some_locust_script.py --slave --master-host=testbox1.locust.com --host=http://someurlToHammer:9000 &>/dev/null &"
MASTER_CMD="nohup locust -f /opt/swarm/app1/some_locust_script.py --master --host=http://someurlToHammer:9000 &>/dev/null &"

start_instances()
{
  CMD=$1
  SERVER=$2
  INSTANCES=$3

  echo "Running as '$RUN_AS', running command $CMD on server $SERVER $INSTANCES times"

  for j in $(seq 1 "$INSTANCES")
  do
    ssh -i ~/.ssh/id_rsa -t "$RUN_AS"@"$SERVER" "$CMD" &>/dev/null &
    echo slave instance "$j" running
    sleep .25
  done
}
#locust documentation specifies that a master should start first, and then slaves
#https://github.com/locustio/locust/blob/master/docs/quickstart.rst

#start master
start_instances "$MASTER_CMD" testbox1.locust.com 1

sleep 5

#start slaves
#for i in $(echo 1)
for i in $(echo {1,2,3,6,7,8,9})
do
  start_instances "$SLAVE_CMD" testbox$i.locust.com 2
done