node-start

#!/bin/bash

# Use this script to start one or more Akka cluster nodes. The command line parameters must be from 1 to 9. The
# node's JVMs is started as a background process. The process logs both stdin and stderr to a file located in
# the /tmp directory. The log file name is derived from the current directory name with a suffix of "-N.log",
# N is the node number. The Akka port number is set to 255N, N is the node number.

usage() {
  echo "Usage: $0 nodes - Start cluster nodes, node numbers must 1 through 9." ; exit 1
}

checkLocalHost2() {
  if hash pfctl 2>/dev/null; then
    ifconfig | grep "127.0.0.2" > /dev/null
    localhost2=$?
  elif hash ip 2>/dev/null; then
    ip address | grep "127.0.0.2" > /dev/null
    localhost2=$?
  else
    localhost2=1
  fi
  if [ $localhost2 -eq 0 ] ; then
    export localhost2=true
  else
    export localhost2=false
  fi
}

startNode() {
  node=$1
  port="255"$node
  export akka_management_http_port="855"$node
  echo "Start node $1 on port $port, management port $akka_management_http_port, HTTP port 955$node"
  java -jar "$jarFilename" "$port" &> /tmp/"$scriptFilename"-"$node".log &
}

[ $# -eq 0 ] && usage

scriptPath=$(dirname $0)
scriptPathFull=$(cd $(dirname $0) ; pwd -P)
scriptFilename=$(basename "$scriptPathFull")
jarFilename=$(find "$scriptPath"/target -name '*allinone.jar*')

while [[ $# -gt 0 ]]; do
  node=$1
  shift

  if [[ $node =~ ^[1-9]$ ]] ; then
    checkLocalHost2
    startNode "$node"
  else
    echo "Cluster node number $node is invalid. The node number must be 1 through 9."
    usage
  fi
done