File tomcat-7.0.init of Package tomcat

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File tomcat-7.0.init of Package tomcat

#!/bin/bash
#
# tomcat      This shell script takes care of starting and stopping Tomcat
#
# chkconfig: - 80 20
#
### BEGIN INIT INFO
# Provides: tomcat
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start:
# Default-Stop:
# Description: Release implementation for Servlet 3.0 and JSP 2.2
# Short-Description: start and stop tomcat
### END INIT INFO
#
# - originally written by Henri Gomez, Keith Irwin, and Nicolas Mailhot
# - heavily rewritten by Deepak Bhole and Jason Corley
#

## Source function library.
#. /etc/rc.d/init.d/functions
# Source LSB function library.
if [ -r /lib/lsb/init-functions ]; then
    . /lib/lsb/init-functions
else
    exit 1
fi

DISTRIB_ID=`lsb_release -i -s 2>/dev/null`

NAME="$(basename $0)"
unset ISBOOT
if [ "${NAME:0:1}" = "S" -o "${NAME:0:1}" = "K" ]; then
    NAME="${NAME:3}"
    ISBOOT="1"
fi

# For SELinux we need to use 'runuser' not 'su'
if [ -x "/sbin/runuser" ]; then
    SU="/sbin/runuser -s /bin/sh"
else
    SU="/bin/su -s /bin/sh"
fi

# Get the tomcat config (use this for environment specific settings)
TOMCAT_CFG="/etc/tomcat/tomcat.conf"
if [ -r "$TOMCAT_CFG" ]; then
    . $TOMCAT_CFG
fi

# Get instance specific config file
if [ -r "/etc/sysconfig/${NAME}" ]; then
    . /etc/sysconfig/${NAME}
fi

# Define which connector port to use
CONNECTOR_PORT="${CONNECTOR_PORT:-8080}"

# Path to the tomcat launch script
TOMCAT_SCRIPT="/usr/sbin/tomcat"

# Tomcat program name
TOMCAT_PROG="${NAME}"
        
# Define the tomcat username
TOMCAT_USER="${TOMCAT_USER:-tomcat}"

# Define the tomcat log file
TOMCAT_LOG="${TOMCAT_LOG:-${CATALINA_HOME}/logs/${NAME}-initd.log}"

RETVAL="0"

# Look for open ports, as the function name might imply
function findFreePorts() {
    local isSet1="false"
    local isSet2="false"
    local isSet3="false"
    local lower="8000"
    randomPort1="0"
    randomPort2="0"
    randomPort3="0"
    local -a listeners="( $(
                        netstat -ntl | \
                        awk '/^tcp/ {gsub("(.)*:", "", $4); print $4}'
                    ) )"
    while [ "$isSet1" = "false" ] || \
          [ "$isSet2" = "false" ] || \
          [ "$isSet3" = "false" ]; do
        let port="${lower}+${RANDOM:0:4}"
        if [ -z `expr " ${listeners[*]} " : ".*$ $port $.*"` ]; then
            if [ "$isSet1" = "false" ]; then
                export randomPort1="$port"
                isSet1="true"
            elif [ "$isSet2" = "false" ]; then
                export randomPort2="$port"
                isSet2="true"
            elif [ "$isSet3" = "false" ]; then
                export randomPort3="$port"
                isSet3="true"
            fi
        fi
    done
}

function makeHomeDir() {
    if [ ! -d "$CATALINA_HOME" ]; then
        echo "$CATALINA_HOME does not exist, creating"
        if [ ! -d "/usr/share/${NAME}" ]; then
            mkdir /usr/share/${NAME}
            cp -pLR /usr/share/tomcat/* /usr/share/${NAME}
        fi
        mkdir -p /var/log/${NAME} \
                 /var/cache/${NAME} \
                 /var/tmp/${NAME}
        ln -fs /var/cache/${NAME} ${CATALINA_HOME}/work
        ln -fs /var/tmp/${NAME} ${CATALINA_HOME}/temp
        cp -pLR /usr/share/${NAME}/bin $CATALINA_HOME
        cp -pLR /usr/share/${NAME}/conf $CATALINA_HOME
        ln -fs /usr/share/java/tomcat ${CATALINA_HOME}/lib
        ln -fs /usr/share/tomcat/webapps ${CATALINA_HOME}/webapps
        chown ${TOMCAT_USER}:${TOMCAT_USER} /var/log/${NAME}
    fi
}

# See how we were called.
function start() {
  
   echo -n "Starting ${TOMCAT_PROG}: "
   if [ "$RETVAL" != "0" ]; then 
     log_failure_msg
     return
   fi
   if [ -f "/var/lock/subsys/${NAME}" ]; then
        if [ -s "/var/run/${NAME}.pid" ]; then
            read kpid < /var/run/${NAME}.pid
#           if checkpid $kpid 2>&1; then
            if [ -d "/proc/${kpid}" ]; then
                log_success_msg
                if [ "$DISTRIB_ID" = "MandrivaLinux" ]; then
                    echo
                fi
                return 0
            fi
        fi
    fi
    # fix permissions on the log and pid files
    export CATALINA_PID="/var/run/${NAME}.pid"
    touch $CATALINA_PID 2>&1 || RETVAL="4"
    if [ "$RETVAL" -eq "0" -a "$?" -eq "0" ]; then 
      chown ${TOMCAT_USER}:${TOMCAT_USER} $CATALINA_PID
    fi
    [ "$RETVAL" -eq "0" ] && touch $TOMCAT_LOG 2>&1 || RETVAL="4" 
    if [ "$RETVAL" -eq "0" -a "$?" -eq "0" ]; then
      chown ${TOMCAT_USER}:${TOMCAT_USER} $TOMCAT_LOG
    fi
    if [ "$CATALINA_HOME" != "/usr/share/tomcat" -a "$RETVAL" -eq "0" ]; then
        # Create a tomcat directory if it doesn't exist
        makeHomeDir
        # If CATALINA_HOME doesn't exist modify port number so that
        # multiple instances don't interfere with each other
        findFreePorts
        sed -i -e "s/8005/${randomPort1}/g" -e "s/8080/${CONNECTOR_PORT}/g" \
            -e "s/8009/${randomPort2}/g" -e "s/8443/${randomPort3}/g" \
            ${CATALINA_HOME}/conf/server.xml
    fi
    parseOptions
    if [ "$RETVAL" -eq "0" -a "$SECURITY_MANAGER" = "true" ]; then
        $SU - $TOMCAT_USER -c "${TOMCAT_SCRIPT} start-security" \
            >> ${TOMCAT_LOG} 2>&1 || RETVAL="4"
    else
       
       [ "$RETVAL" -eq "0" ] && $SU - $TOMCAT_USER -c "${TOMCAT_SCRIPT} start" >> ${TOMCAT_LOG} 2>&1 || RETVAL="4"
    fi
    if [ "$RETVAL" -eq "0" ]; then 
        log_success_msg
        touch /var/lock/subsys/${NAME}
    else
        log_failure_msg "Error code ${RETVAL}"
    fi
    if [ "$DISTRIB_ID" = "MandrivaLinux" ]; then
        echo
    fi
}

function usage()
{
   echo "Usage: $0 {start|stop|restart|condrestart|try-restart|reload|force-reload|status|version}"
   RETVAL="2"
}

# See how we were called.
RETVAL="0"
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        stop
        start
        ;;
    condrestart|try-restart)
        if [ -s "/var/run/${NAME}.pid" ]; then
            stop
            start
        fi
        ;;
    reload)
        RETVAL="3"
        ;;
    force-reload)
        if [ -s "/var/run/${NAME}.pid" ]; then
            stop
            start
        fi
        ;;
    status)
        if [ -s "/var/run/${NAME}.pid" ]; then
            read kpid < /var/run/${NAME}.pid
            if [ -d "/proc/${kpid}" ]; then
                log_success_msg "${NAME} (pid ${kpid}) is running..."
                RETVAL="0"
            else
# The pid file exists but the process is not running
               log_warning_msg "PID file exists, but process is not running"
               RETVAL="1"
            fi
        else
            pid="$(/usr/bin/pgrep -d , -u ${TOMCAT_USER} -G ${TOMCAT_USER} java)"
            if [ -z "$pid" ]; then
#               status ${NAME}
#               RETVAL="$?"
                log_success_msg "${NAME} is stopped"
                RETVAL="3"
            else
                log_success_msg "${NAME} (pid $pid) is running..."
                RETVAL="0"
            fi
        fi
         if [ -f /var/lock/subsys/${NAME} ]; then
            pid="$(/usr/bin/pgrep -d , -u ${TOMCAT_USER} -G ${TOMCAT_USER} java)"
# The lockfile exists but the process is not running
            if [ -z "$pid" ]; then
               log_failure_msg "${NAME} lockfile exists but process is not running"
               RETVAL="2"
            fi
         fi
        ;;
    version)
        ${TOMCAT_SCRIPT} version
        ;;
    *)
      usage
      ;;
esac

exit $RETVAL

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