terça-feira, 11 de março de 2014

Init scripts buguentos

O script SysV do Openfire 3.9.1 está bugado e não funciona com o systemd.

http://issues.igniterealtime.org/browse/OF-753

#!/bin/sh
#
# openfire Stops and starts the Openfire XMPP service.
#
# chkconfig: 2345 99 1
# description: Openfire is an XMPP server, which is a server that facilitates \
#              XML based communication, such as chat.
# config: /opt/openfire/conf/openfire.xml
# config: /etc/sysconfig/openfire
# pidfile: /var/run/openfire.pid
# 
# This script has currently been tested on Redhat, CentOS, and Fedora  based
# systems.
#

#####
# Begin setup work
#####

# Initialization
PATH="/sbin:/bin:/usr/bin:/usr/sbin"
RETVAL=0

# Check that we are root ... so non-root users stop here.
if [ "`id -u`" != 0 ]; then
 echo $0 must be run as root
 exit 1
fi

# Get config.
[ -f "/etc/sysconfig/openfire" ] && . /etc/sysconfig/openfire
if [ -f "/etc/init.d/functions" ]; then
  FUNCTIONS_FOUND=true
  . /etc/init.d/functions
fi

# If openfire user is not set in sysconfig, set to daemon.
[ -z "$OPENFIRE_USER" ] && OPENFIRE_USER="daemon"

# If pid file path is not set in sysconfig, set to /var/run/openfire.pid.
[ -z "$OPENFIRE_PIDFILE" ] && OPENFIRE_PIDFILE="/var/run/openfire.pid"

# -----------------------------------------------------------------

# If a openfire home variable has not been specified, try to determine it.
if [ -z "$OPENFIRE_HOME" -o ! -d "$OPENFIRE_HOME" ]; then
 if [ -d "/usr/share/openfire" ]; then
  OPENFIRE_HOME="/usr/share/openfire"
 elif [ -d "/usr/local/openfire" ]; then
  OPENFIRE_HOME="/usr/local/openfire"
 elif [ -d "/opt/openfire" ]; then
  OPENFIRE_HOME="/opt/openfire"
 else
  echo "Could not find Openfire installation under /opt, /usr/share, or /usr/local."
  echo "Please specify the Openfire installation location as variable OPENFIRE_HOME"
  echo "in /etc/sysconfig/openfire."
  exit 1
 fi
fi

# If log path is not set in sysconfig, set to $OPENFIRE_HOME/logs.
[ -z "$OPENFIRE_LOGDIR" ] && OPENFIRE_LOGDIR="${OPENFIRE_HOME}/logs"

# Attempt to locate java installation.
if [ -z "$JAVA_HOME" ]; then
 if [ -d "${OPENFIRE_HOME}/jre" ]; then
  JAVA_HOME="${OPENFIRE_HOME}/jre"
 elif [ -d "/etc/alternatives/jre" ]; then
  JAVA_HOME="/etc/alternatives/jre"
 else
  jdks=`ls -r1d /usr/java/j*`
  for jdk in $jdks; do
   if [ -f "${jdk}/bin/java" ]; then
    JAVA_HOME="$jdk"
    break
   fi
  done
 fi
fi
JAVACMD="${JAVA_HOME}/bin/java"

if [ ! -d "$JAVA_HOME" -o ! -x "$JAVACMD" ]; then
 echo "Error: JAVA_HOME is not defined correctly."
 echo "       Can not sure execute $JAVACMD."
 exit 1
fi

# Prepare location of openfire libraries
OPENFIRE_LIB="${OPENFIRE_HOME}/lib"

# Prepare openfire command line
OPENFIRE_OPTS="${OPENFIRE_OPTS} -DopenfireHome=${OPENFIRE_HOME} -Dopenfire.lib.dir=${OPENFIRE_LIB}"

# Prepare local java class path
if [ -z "$LOCALCLASSPATH" ]; then
 LOCALCLASSPATH="${OPENFIRE_LIB}/startup.jar"
else
 LOCALCLASSPATH="${OPENFIRE_LIB}/startup.jar:${LOCALCLASSPATH}"
fi

# Export any necessary variables
export JAVA_HOME JAVACMD

# Lastly, prepare the full command that we are going to run.
OPENFIRE_RUN_CMD="${JAVACMD} -server ${OPENFIRE_OPTS} -classpath \"${LOCALCLASSPATH}\" -jar \"${OPENFIRE_LIB}/startup.jar\""

#####
# End setup work
#####



start() {
 OLD_PWD=`pwd`
 cd $OPENFIRE_LOGDIR

 PID=$(findPID)
 if [ -n "$PID" ]; then                                                
     echo "Openfire is already running."                                 
     RETVAL=1                                                           
     return                                                             
 fi                                                                     

 # Start daemons.                                                       
 echo -n "Starting openfire: "                                          

 rm -f nohup.out
 su -s /bin/sh -c "nohup $OPENFIRE_RUN_CMD > $OPENFIRE_LOGDIR/nohup.out 2>&1 &" $OPENFIRE_USER
 RETVAL=$?

 echo

 [ $RETVAL -eq 0 -a -d /var/lock/subsys ] && touch /var/lock/subsys/openfire

 sleep 1 # allows prompt to return
 cd $OLD_PWD
}

stop() {
 # Stop daemons.
 echo -n "Shutting down openfire: "

 PID=$(findPID)
 if [ -n "$PID" ]; then
  if [ -n "$FUNCTIONS_FOUND" ]; then
   echo $PID > $OPENFIRE_PIDFILE
   # delay copied from restart
   killproc -p $OPENFIRE_PIDFILE -d 10
   rm -f $OPENFIRE_PIDFILE
  else
   kill $PID
  fi
 else
  echo "Openfire is not running."
 fi
 
 RETVAL=$?
 echo

 [ $RETVAL -eq 0 -a -f "/var/lock/subsys/openfire" ] && rm -f /var/lock/subsys/openfire
}

restart() {
 stop
 sleep 10 # give it a few moments to shut down
 start
}

condrestart() {
 [ -e "/var/lock/subsys/openfire" ] && restart
 return 0
}

status() {
 PID=$(findPID)
 if [ -n "$PID" ]; then
  echo "openfire is running"
  RETVAL=0
 else 
  echo "openfire is not running"
  RETVAL=1
 fi
}

findPID() {
 echo `ps ax --width=1000 | grep openfire | grep startup.jar | awk '{print $1}'`
}

# Handle how we were called.
case "$1" in
 start)
  start
  ;;
 stop)
  stop
  ;;
 restart)
  restart
  ;;
 condrestart)
  condrestart
  ;;
 reload)
  restart
  ;;
 status) 
  status
  ;;
 *)
  echo "Usage $0 {start|stop|restart|status|condrestart|reload}"
  RETVAL=1
esac

exit $RETVAL

Compare com a limpeza de um arquivo unit nativo:
(fonte: Arch)

[Unit]
Description=Openfire XMPP Server
After=network.target

[Service]
Type=simple
User=openfire
Group=openfire
PrivateTmp=true
ExecStart=/usr/bin/java -server -DopenfireHome=/usr/share/openfire -Dopenfire.lib.dir=/usr/lib/openfire -classpath /usr/lib/openfire/startup.jar -jar /usr/lib/openfire/startup.jar
SuccessExitStatus=143 SIGKILL

[Install]
WantedBy=multi-user.target

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