cluster

#!/bin/bash

START='sudo systemctl start'
STOP='sudo systemctl stop'
STATUS='sudo systemctl status'
ZOO='zookeeper'
ASERV='accumulo-{master,tserver,gc,tracer,monitor}.service'
HNAME='hadoop-namenode'
HDATA='hadoop-datanode'

usage() {
  echo "usage: cluster [<start|stop> <hadoop|zookeeper|accumulo>]"
  echo "       cluster start|stop = starts/stops entire cluster"
  echo "       cluster = print status of the cluster"
}
stats() {
  echo "Cluster processes currently running:"
  jps -lm | grep apache | sort
}

#zookeeper and accumulo
BINDIR='bin'

if [[ -z "$1" ]]
then
  stats
  exit
fi
if [[ "$1" != "start" && "$1" != "stop" ]] 
then
  usage
  exit
fi

# 2 params
if [[ -n "$2" ]]
then
  # second is hadoop
  if [[ "$2" == "hadoop" ]]
  then
     
  fi
  if [[ "$2" == "zookeeper" ]]
  then
     cd $ZOOKEEPER_HOME
     CMD="zkServer.sh $1"
  else
     CMD="$1-all.sh"
  fi

  echo "cluster is $1-ing $2"
  $SW/cluster/$2/$BINDIR/$CMD
  exit
fi

if [[ -n "$1" ]]
then
  if [[ "$1" == "start" ]]
  then
    echo "Starting entire cluster"
    ~/scripts/cluster-start
  fi
  if [[ "$1" == "stop" ]]
  then
    echo "Stopping entire cluster"
    ~/scripts/cluster-stop
  fi
fi