#!/bin/sh
### Start/Stop dynaTrace zRemoteAgent Agent daemon
#
# Copyright 2004-2014 dynaTrace Software
# All rights reserved.
#
# Copy this script to /etc/init.d and use
# chkconfig --add dynaTracezRemoteAgent to start the Agent as daemon at system boot.
#
### BEGIN INIT INFO
# Provides: dynaTracezRemoteAgent
# Required-Start: $network
# Required-Stop: $network
# X-UnitedLinux-Should-Start:
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Description: Start/Stop dynaTrace zRemote Agent daemon
### END INIT INFO

DT_PRODUCT="zRemote Agent"
DT_BINARY=dtzagent

# DT_HOME - dynaTrace installation directory
#           defaults to <currentDir>/dynatrace-<major.minorVersion.revision>
DT_HOME=/opt/dynatrace-6.0.0

### script argument defaults
# zdclistenerport - port that the zRemote Agent listens to for zDC connections 
DT_PORT=8898
# server - nameOrIP[:port] of dynaTrace Collector to connect to
DT_SERVER=localhost
# name - Agent name - mapping into System Profile > Agent Group / tier
DT_NAME="CICS_Monitoring"

### Check for script arguments
# argument 1 - start|stop|status
# more than 4 args
if [ $# -gt 4 ]; then
      echo "Extra arguments will be ignored."
fi

# argument 2 - zdclistenerport
if [ $# -gt 1 ]; then
      DT_PORT=$2
fi
# argument 3 - Server/CollectorName[:port] to connect to
if [ $# -gt 2 ]; then
      DT_SERVER=$3
fi
# argument 4 - Agent name
if [ $# -gt 3 ]; then
      DT_NAME=$4
fi

### set up DT_OPTARGS
# DT_OPTARGS="zdclistenerport=<port> name=<AgentNameToSysProfMapping> [server=<CollectorName>[:port]]"
DT_OPTARGS="zdclistenerport=${DT_PORT} server=${DT_SERVER} name=${DT_NAME}"

DT_BINARY_WITH_PATH=$DT_HOME/agent/lib64/$DT_BINARY
DT_PIDFILE=/var/run/$DT_BINARY.pid
if [ ! -x "$DT_BINARY_WITH_PATH" ]; then
  DT_BINARY_WITH_PATH=$DT_HOME/agent/lib/$DT_BINARY
fi
if [ ! -x "$DT_BINARY_WITH_PATH" ]; then
  echo "File not found or not executable: $DT_BINARY_WITH_PATH"
  exit
fi
if [ -z "$PROCESSPID" ]; then
  PROCESSPID=`ps -ef | grep $DT_BINARY | grep zdclistenerport=$DT_PORT | awk '{print $2}'`
fi

case "$1" in
'start')
    nohup $DT_BINARY_WITH_PATH $DT_OPTARGS >/dev/null 2>&1 &
    ;;
'stop')
    if [ -n "$PROCESSPID" ]; then
      echo "Terminating dynaTrace $DT_PRODUCT process $PROCESSPID"
      kill -2 $PROCESSPID
    fi
    ;;
'status')
    if [ -n "$PROCESSPID" ]; then
      echo "dynaTrace $DT_PRODUCT daemon is running."
      ps -ef | grep $DT_BINARY | grep $PROCESSPID
    else
      echo "dynaTrace $DT_PRODUCT daemon not running."
    fi
    ;;
*)
    echo "usage: $0 (start|stop|status) [portToListenForzDC [CollectorNameToConnectTo[:port] [AgentName]]]"
    ;;
esac