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#!/bin/sh ### BEGIN INIT INFO # Provides: apache2 # Required-Start: $local_fs $remote_fs $network $syslog $named # Required-Stop: $local_fs $remote_fs $network $syslog $named # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # X-Interactive: true # Short-Description: Apache2 web server # Description: Start the web server # This script will start the apache2 web server. ### END INIT INFO DESC="Apache httpd web server" NAME=apache2 DAEMON=/usr/sbin/$NAME SCRIPTNAME="${0##*/}" SCRIPTNAME="${SCRIPTNAME##[KS][0-9][0-9]}" if [ -n "$APACHE_CONFDIR" ] ; then if [ "${APACHE_CONFDIR##/etc/apache2-}" != "${APACHE_CONFDIR}" ] ; then DIR_SUFFIX="${APACHE_CONFDIR##/etc/apache2-}" else DIR_SUFFIX= fi elif [ "${SCRIPTNAME##apache2-}" != "$SCRIPTNAME" ] ; then DIR_SUFFIX="-${SCRIPTNAME##apache2-}" APACHE_CONFDIR=/etc/apache2$DIR_SUFFIX else DIR_SUFFIX= APACHE_CONFDIR=/etc/apache2 fi if [ -z "$APACHE_ENVVARS" ] ; then APACHE_ENVVARS=$APACHE_CONFDIR/envvars fi export APACHE_CONFDIR APACHE_ENVVARS ENV="env -i LANG=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" if [ "$APACHE_CONFDIR" != /etc/apache2 ] ; then ENV="$ENV APACHE_CONFDIR=$APACHE_CONFDIR" fi if [ "$APACHE_ENVVARS" != "$APACHE_CONFDIR/envvars" ] ; then ENV="$ENV APACHE_ENVVARS=$APACHE_ENVVARS" fi PIDFILE=$(. $APACHE_ENVVARS && echo $APACHE_PID_FILE) VERBOSE=no if [ -f /etc/default/rcS ]; then . /etc/default/rcS fi . /lib/lsb/init-functions # Now, set defaults: APACHE2CTL="$ENV apache2ctl" PIDFILE=$(. $APACHE_ENVVARS && echo $APACHE_PID_FILE) APACHE2_INIT_MESSAGE="" CONFTEST_OUTFILE= cleanup() { if [ -n "$CONFTEST_OUTFILE" ] ; then rm -f "$CONFTEST_OUTFILE" fi } trap cleanup 0 # "0" means "EXIT", but "EXIT" is not portable apache_conftest() { [ -z "$CONFTEST_OUTFILE" ] || rm -f "$CONFTEST_OUTFILE" CONFTEST_OUTFILE=$(mktemp) if ! $APACHE2CTL configtest > "$CONFTEST_OUTFILE" 2>&1 ; then return 1 else rm -f "$CONFTEST_OUTFILE" CONFTEST_OUTFILE= return 0 fi } clear_error_msg() { [ -z "$CONFTEST_OUTFILE" ] || rm -f "$CONFTEST_OUTFILE" CONFTEST_OUTFILE= APACHE2_INIT_MESSAGE= } print_error_msg() { [ -z "$APACHE2_INIT_MESSAGE" ] || log_warning_msg "$APACHE2_INIT_MESSAGE" if [ -n "$CONFTEST_OUTFILE" ] ; then echo "Output of config test was:" >&2 cat "$CONFTEST_OUTFILE" >&2 rm -f "$CONFTEST_OUTFILE" CONFTEST_OUTFILE= fi } apache_wait_start() { local STATUS=$1 local i=0 if [ $STATUS != 0 ] ; then return $STATUS fi while : ; do PIDTMP=$(pidofproc -p $PIDFILE $DAEMON) if [ -n "${PIDTMP:-}" ] && kill -0 "${PIDTMP:-}" 2> /dev/null; then return $STATUS fi if [ $i = "20" ] ; then APACHE2_INIT_MESSAGE="The apache2$DIR_SUFFIX instance did not start within 20 seconds. Please read the log files to discover problems" return 2 fi [ "$VERBOSE" != no ] && log_progress_msg "." sleep 1 i=$(($i+1)) done } apache_wait_stop() { local STATUS=$1 local METH=$2 if [ $STATUS != 0 ] ; then return $STATUS fi PIDTMP=$(pidofproc -p $PIDFILE $DAEMON) if [ -n "${PIDTMP:-}" ] && kill -0 "${PIDTMP:-}" 2> /dev/null; then if [ "$METH" = "kill" ]; then killproc -p $PIDFILE $DAEMON else $APACHE2CTL $METH > /dev/null 2>&1 fi local i=0 while kill -0 "${PIDTMP:-}" 2> /dev/null; do if [ $i = '60' ]; then STATUS=2 break fi [ "$VERBOSE" != no ] && log_progress_msg "." sleep 1 i=$(($i+1)) done return $STATUS else return $STATUS fi } # # Function that starts the daemon/service # do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started if pidofproc -p $PIDFILE "$DAEMON" > /dev/null 2>&1 ; then return 1 fi if apache_conftest ; then $APACHE2CTL start apache_wait_start $? return $? else APACHE2_INIT_MESSAGE="The apache2$DIR_SUFFIX configtest failed." return 2 fi } # # Function that stops the daemon/service # do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred # either "stop" or "graceful-stop" local STOP=$1 # can't use pidofproc from LSB here local AP_RET=0 if pidof $DAEMON > /dev/null 2>&1 ; then if [ -e $PIDFILE ] && pidof $DAEMON | tr ' ' '\n' | grep -w $(cat $PIDFILE) > /dev/null 2>&1 ; then AP_RET=2 else AP_RET=1 fi else AP_RET=0 fi # AP_RET is: # 0 if Apache (whichever) is not running # 1 if Apache (whichever) is running # 2 if Apache from the PIDFILE is running if [ $AP_RET = 0 ] ; then return 1 fi if [ $AP_RET = 2 ] && apache_conftest ; then apache_wait_stop $? $STOP return $? else if [ $AP_RET = 2 ]; then clear_error_msg APACHE2_INIT_MESSAGE="The apache2$DIR_SUFFIX configtest failed, so we are trying to kill it manually. This is almost certainly suboptimal, so please make sure your system is working as you'd expect now!" apache_wait_stop $? "kill" return $? elif [ $AP_RET = 1 ] ; then APACHE2_INIT_MESSAGE="There are processes named 'apache2' running which do not match your pid file which are left untouched in the name of safety, Please review the situation by hand". return 2 fi fi } # # Function that sends a SIGHUP to the daemon/service # do_reload() { if apache_conftest; then if ! pidofproc -p $PIDFILE "$DAEMON" > /dev/null 2>&1 ; then APACHE2_INIT_MESSAGE="Apache2 is not running" return 2 fi $APACHE2CTL graceful > /dev/null 2>&1 return $? else APACHE2_INIT_MESSAGE="The apache2$DIR_SUFFIX configtest failed. Not doing anything." return 2 fi } # Sanity checks. They need to occur after function declarations [ -x $DAEMON ] || exit 0 if [ ! -x $DAEMON ] ; then echo "No apache-bin package installed" exit 0 fi if [ -z "$PIDFILE" ] ; then echo ERROR: APACHE_PID_FILE needs to be defined in $APACHE_ENVVARS >&2 exit 2 fi case "$1" in start) log_daemon_msg "Starting $DESC" "$NAME" do_start RET_STATUS=$? case "$RET_STATUS" in 0|1) log_success_msg [ "$VERBOSE" != no ] && [ $RET_STATUS = 1 ] && log_warning_msg "Server was already running" ;; 2) log_failure_msg print_error_msg exit 1 ;; esac ;; stop|graceful-stop) log_daemon_msg "Stopping $DESC" "$NAME" do_stop "$1" RET_STATUS=$? case "$RET_STATUS" in 0|1) log_success_msg [ "$VERBOSE" != no ] && [ $RET_STATUS = 1 ] && log_warning_msg "Server was not running" ;; 2) log_failure_msg print_error_msg exit 1 ;; esac print_error_msg ;; status) status_of_proc -p $PIDFILE "apache2" "$NAME" exit $? ;; reload|force-reload|graceful) log_daemon_msg "Reloading $DESC" "$NAME" do_reload RET_STATUS=$? case "$RET_STATUS" in 0|1) log_success_msg [ "$VERBOSE" != no ] && [ $RET_STATUS = 1 ] && log_warning_msg "Server was already running" ;; 2) log_failure_msg print_error_msg exit 1 ;; esac print_error_msg ;; restart) log_daemon_msg "Restarting $DESC" "$NAME" do_stop stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1|*) log_end_msg 1 # Old process is still or failed to running print_error_msg exit 1 ;; esac ;; *) # Failed to stop log_end_msg 1 print_error_msg exit 1 ;; esac ;; start-htcacheclean|stop-htcacheclean) echo "Use 'service apache-htcacheclean' instead" ;; *) echo "Usage: $SCRIPTNAME {start|stop|graceful-stop|restart|reload|force-reload}" >&2 exit 3 ;; esac exit 0 # vim: syntax=sh ts=4 sw=4 sts=4 sr noet