File tomcat-9.0.init of Package tomcat

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File tomcat-9.0.init of Package tomcat

#!/bin/bash
# Copyright (c) 2008 SuSE Linux AG Nuernberg, Germany.
#
# - originally written by Henri Gomez, Keith Irwin, and Nicolas Mailhot
# - heavily rewritten by Deepak Bhole and Jason Corley
# - merged with previous SUSE's rctomcat55 by Petr Mladek and jpackage.org
#   original by Michal Vyskocil
#
# /etc/init.d/tomcat
#
#   and its symbolic link
#
# /usr/sbin/rctomcat
#
# System startup script for the Tomcat servlet container
#
### BEGIN INIT INFO
# Provides: tomcat
# Required-Start: $network $syslog $remote_fs
# Should-Start: $named $syslog $time
# Required-Stop: $network $syslog $remote_fs
# Should-Stop: $named $syslog $time
# Default-Start:  3 5
# Default-Stop:   0 1 2 6
# Short-Description: Tomcat Servlet Container
# Description:    Start and Stop Apache Tomcat
### END INIT INFO
 
# set a minimalist PATH
PATH="/bin:/sbin:/usr/bin:/usr/sbin"
 
# 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
 
# remove SUSE's rc name
if [ "${NAME:0:2}" = "rc" ]; then
    NAME="${NAME:2}"
fi
 
# For SELinux we need to use 'runuser' not 'su'
if [ -x "/sbin/runuser" ]; then
    SU="/sbin/runuser"
else
    SU="/bin/su"
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
 
# Define which connector port to use
CONNECTOR_PORT="${CONNECTOR_PORT:-8080}"
 
# Path to the tomcat launch script
TOMCAT_SCRIPT="/usr/sbin/dtomcat"
 
# 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/${NAME}-initd.log}"
# Define the tomcat pid file
export CATALINA_PID="/var/run/${NAME}.pid"
 
RETVAL="0"
 
# pulled from RHEL4 /etc/rc.d/init.d/functions
function checkpid() {
    local i
    for i in $* ; do
        if [ -d "/proc/${i}" ]; then
            return 0
        fi
    done
    return 1
}
 
# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status
 
# First reset status of this service
rc_reset
 
# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.
 
# 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 --no-dereference ${TOMCAT_USER}:${TOMCAT_USER} /var/log/${NAME}
    fi
}
 
function parseOptions() {
    options=""
    options="$options $(
                 awk '!/^#/ && !/^$/ { ORS=" "; print "export ", $0, ";" }' \
                 $TOMCAT_CFG
             )"
#    if [ -r "/etc/sysconfig/${NAME}" ]; then
#        options="$options $(
#                     awk '!/^#/ && !/^$/ { ORS=" ";
#                                           print "export ", $0, ";" }' \
#                     /etc/sysconfig/${NAME}
#                 )"
#    fi
    TOMCAT_SCRIPT="$options ${TOMCAT_SCRIPT}"
}
 
# See how we were called.
function start() {
    echo -n "Starting Tomcat ($CATALINA_BASE)"
    if [ -f "/var/run/rc${NAME}" ] ; then
        if [ -f "/var/run/${NAME}.pid" ]; then
            read kpid < /var/run/${NAME}.pid
                if checkpid $kpid 2>&1; then
                    echo "$NAME process already running"
                        rc_failed 0
                    else
                        echo -n "lock file found but no process running for pid $kpid, continuing"
                        rc_failed 7
                fi
        fi
    fi
    # fix permissions on the log and pid files
    export CATALINA_PID="/var/run/${NAME}.pid"
    touch $CATALINA_PID
    chown --no-dereference ${TOMCAT_USER}:${TOMCAT_USER} $CATALINA_PID
    touch $TOMCAT_LOG
    chown --no-dereference ${TOMCAT_USER}:${TOMCAT_USER} $TOMCAT_LOG
    if [ "$CATALINA_HOME" != "/usr/share/tomcat" ]; 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" \
            ${CATALINA_HOME}/conf/server.xml
    fi
    parseOptions
    if [ "$SECURITY_MANAGER" = "true" ]; then
        $SU - $TOMCAT_USER -c "${TOMCAT_SCRIPT} start-security" \
            >> $TOMCAT_LOG 2>&1
    else
        $SU - $TOMCAT_USER -c "${TOMCAT_SCRIPT} start" >> $TOMCAT_LOG 2>&1
    fi
    RETVAL="$?"
    if [ "$RETVAL" -eq 0 ]; then
        rc_failed 0
        touch /var/run/rc${NAME}
    else
        rc_failed 7
    fi
    rc_status -v
}
 
## Check status with checkproc(8), if process is running
## checkproc will return with exit status 0.
 
# Status has a slightly different for the status command:
# 0 - service running
# 1 - service dead, but /var/run/  pid  file exists
# 2 - service dead, but /var/lock/ lock file exists
# 3 - service not running
 
# NOTE: checkproc returns LSB compliant status values.
function status() {
    echo -n "Checking for Tomcat ($CATALINA_BASE)"
    if [ -f "/var/run/${NAME}.pid" ]; then
        read kpid < /var/run/${NAME}.pid
        if checkpid $kpid 2>&1; then
            rc_failed 0
        else
            rc_failed 2
        fi
    else
        #don't be dependent on procps
        #pid="$(/usr/bin/pgrep -u tomcat java)"
        pid="$(ps U tomcat o pid,cmd | grep java | grep -v 'grep java')"
        if [ -n "$pid" ]; then
            echo "$0 running (${pid}) but no PID file exists"
            rc_failed 0
        else
            rc_failed 3
        fi
    fi
    rc_status -v
}
 
function stop() {
    echo -n "Shutting down Tomcat ($CATALINA_BASE)"
    if [ -f "/var/run/rc${NAME}" ]; then
        parseOptions
        $SU - $TOMCAT_USER -c "${TOMCAT_SCRIPT} stop" >> $TOMCAT_LOG 2>&1
        RETVAL="$?"
        if [ "$RETVAL" -eq "0" ]; then
            count="0"
            if [ -f "/var/run/${NAME}.pid" ]; then
                read kpid < /var/run/${NAME}.pid
                until [ "$(ps --pid $kpid | grep -c $kpid)" -eq "0" ] || \
                      [ "$count" -gt "$SHUTDOWN_WAIT" ]; do
                    if [ "$SHUTDOWN_VERBOSE" = "true" ]; then
                        echo "waiting for processes $kpid to exit"
                    fi
                    sleep 1
                    let count="${count}+1"
                done
                if [ "$count" -gt "$SHUTDOWN_WAIT" ]; then
                    if [ "$SHUTDOWN_VERBOSE" = "true" ]; then
                        echo "killing processes which didn't stop after $SHUTDOWN_WAIT seconds"
                        echo -n -e "after "
                        echo -n "$SHUTDOWN_WAIT seconds"
                    fi
                    kill -9 $kpid
                fi
                rc_failed 0
                if [ "$count" -gt "0" ]; then
                    echo -n -e "\n"
                fi
            fi
            rm -f /var/run/rc${NAME} /var/run/${NAME}.pid
            if [ "${CLEAR_WORK}" = "true" ]; then
                echo -n "Cleaning work directory: "
                find ${CATALINA_HOME}/work/{Catalina,temp} -mindepth 2 -type d -print0 | xargs -0 rm -rf
                if [ "$?" -eq "0" ]; then
                        log_success_msg
                        echo -n -e "\n"
                fi
             fi
 
        else
            rc_failed 1
        fi
    fi
    rc_status -v
}
 
 
# See how we were called.
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    try-restart)
    ## Stop the service and if this succeeds (i.e. the
    ## service was running before), start it again.
        ## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
        $0 status >/dev/null &&  $0 restart
     
    # Remember status and be quiet
    rc_status
    ;;
    restart)
        stop
        sleep 2   
        start
        rc_status
        ;;
    force-reload)
    ## Signal the daemon to reload its config. Most daemons
    ## do this on signal 1 (SIGHUP).
    ## If it does not support it, restart.
 
    echo -n "Reload service Tomcat ($CATALINA_BASE)"
    ## if it supports it:
    #killproc -HUP $TOMCAT_BIN
    #touch /var/run/FOO.pid
    #rc_status -v
 
    ## Otherwise:
    $0 stop  &&  $0 start
    rc_status
    ;;
    reload)
    ## Like force-reload, but if daemon does not support
    ## signalling, do nothing (!)
 
    # If it supports signalling:
    #echo -n "Reload service FOO"
    #killproc -HUP $TOMCAT_BIN
    #touch /var/run/FOO.pid
    #rc_status -v
     
    ## Otherwise if it does not support reload:
    rc_failed 3
    rc_status -v
    ;;
    status)
        status
        ;;
    probe)
        ## Optional: Probe for the necessity of a reload,
        ## give out the argument which is required for a reload.
        ;;
    *)
    echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
    exit 1
    ;;
esac
rc_exit

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