start/stop Riak dev instances

riak-updown

#! /bin/bash
## start/stop Riak dev instances
## http://docs.basho.com/riak/latest/tutorials/fast-track/Building-a-Development-Environment/

set -e

RIAK_HOME=$HOME/riak-1.2.1
RIAKDEVDIR=$RIAK_HOME/dev
DEVDIRS=(dev1 dev2 dev3 dev4)

do_start () {
  if pidof beam.smp >/dev/null; then
    echo "Riak already running! PIDs:"
    pidof beam.smp
    exit
  elif [ -d $RIAKDEVDIR ]; then
    echo "Starting Riak in $RIAKDEVDIR ..."
    for dir in ${DEVDIRS[@]}; do
      echo "Starting $dir instance ..."
      $RIAKDEVDIR/$dir/bin/riak start || return 2
    done
    echo "Riak started!"
    $RIAKDEVDIR/${DEVDIRS[0]}/bin/riak-admin member-status
    echo "Done."
  else
    echo "Cannot find $RIAKDEVDIR ... no start for you!"
    exit 1
  fi
}

do_stop () {
  echo "Stopping Riak in $RIAKDEVDIR ..."
  for dir in ${DEVDIRS[@]}; do
    $RIAKDEVDIR/$dir/bin/riak stop || return 2
  done
  echo "Stopping epmd ..."
  epmd -kill
  echo "Done."
}

case "$1" in
  start)
    do_start
    ;;
  stop)
    do_stop
    ;;
  *)
    echo "Usage: $0 {start|stop}" >&2
    exit 1
    ;;
esac