#!/bin/sh # ### BEGIN INIT INFO # Provides: varnish # Required-Start: $syslog $remote_fs # Should-Start: $time ypbind sendmail # Required-Stop: $syslog $remote_fs # Should-Stop: $time ypbind sendmail # Default-Start: 3 5 # Default-Stop: 0 1 2 6 # Short-Description: varnish HTTP accelerator # Description: varnish HTTP accelerator ### END INIT INFO # Check for missing binaries (stale symlinks should not happen) # Note: Special treatment of stop for LSB conformance VARNISH_BIN=/usr/sbin/varnishd test -x $VARNISH_BIN || { echo "$VARNISH_BIN not installed"; if [ "$1" = "stop" ]; then exit 0; else exit 5; fi; } # Check for existence of needed config file and read it VARNISH_CONFIG=/etc/sysconfig/varnish test -r $VARNISH_CONFIG || { echo "$VARNISH_CONFIG not existing"; if [ "$1" = "stop" ]; then exit 0; else exit 6; fi; } VARNISHD_BIN="$VARNISH_BIN" VARNISHD_PID=/var/run/varnishd.pid VARNISHLOG_BIN=/usr/sbin/varnishncsa VARNISHLOG_PID=/var/run/varnishlog.pid # Read config . $VARNISH_CONFIG # Source LSB init functions # providing start_daemon, killproc, pidofproc, # log_success_msg, log_failure_msg and log_warning_msg. # This is currently not used by UnitedLinux based distributions and # not needed for init scripts for UnitedLinux only. If it is used, # the functions from rc.status should not be sourced or used. #. /lib/lsb/init-functions # 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 be verbose in local rc status and clear it afterwards # rc_status -v -r ditto and clear both the local and overall rc status # rc_status -s display "skipped" and exit with status 3 # rc_status -u display "unused" and exit with status 3 # rc_failed set local and overall rc status to failed # rc_failed set local and overall rc status to # rc_reset clear both the local and overall rc status # rc_exit exit appropriate to overall rc status # rc_active checks whether a service is activated by symlinks . /etc/rc.status # 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 - user had insufficient privileges # 5 - program is not installed # 6 - program is not configured # 7 - program is not running # 8--199 - reserved (8--99 LSB, 100--149 distrib, 150--199 appl) # # Note that starting an already running service, stopping # or restarting a not-running service as well as the restart # with force-reload (in case signaling is not supported) are # considered a success. case "$1" in start) echo -n "Starting varnish " ## Start daemon with startproc(8). If this fails ## the return value is set appropriately by startproc. /sbin/startproc "$VARNISHD_BIN" -P "$VARNISHD_PID" ${VARNISHD_PARAMS:--f /etc/varnish/vcl.conf -T:6082 -s file,/var/cache/varnish,524288 -u varnish} # Remember status and be verbose rc_status -v echo -n "Starting varnishlog " /sbin/startproc "$VARNISHLOG_BIN" -P "$VARNISHLOG_PID" ${VARNISHLOG_PARAMS:--a -w /var/log/varnish/varnish.log} rc_status -v ;; stop) echo -n "Shutting down varnish " ## Stop daemon with killproc(8) and if this fails ## killproc sets the return value according to LSB. /sbin/killproc -p "$VARNISHD_PID" "$VARNISHD_BIN" # Remember status and be verbose rc_status -v echo -n "Shutting down varnishlog " /sbin/killproc -p "$VARNISHLOG_PID" "$VARNISHLOG_BIN" ;; try-restart|condrestart) ## Do a restart only if the service was active before. ## Note: try-restart is now part of LSB (as of 1.9). ## RH has a similar command named condrestart. if test "$1" = "condrestart"; then echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}" fi $0 status if test $? = 0; then $0 restart else rc_reset # Not running is not a failure. fi # Remember status and be quiet rc_status ;; restart) ## Stop the service and regardless of whether it was ## running or not, start it again. $0 stop $0 start # Remember status and be quiet 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 the service if it ## is running. echo -n "Reload service varnish " ## if it supports it: /sbin/killproc -HUP $VARNISH_BIN #touch /var/run/varnish.pid rc_status -v ## Otherwise: #$0 try-restart #rc_status ;; reload) ## Like force-reload, but if daemon does not support ## signaling, do nothing (!) # If it supports signaling: echo -n "Reload service varnish " /sbin/killproc -p "$VARNISHD_PID" -HUP "$VARNISHD_BIN" #touch /var/run/varnish.pid rc_status -v echo -n "Reload service varnishlog " /sbin/killproc -p "$VARNISHLOG_PID" -HUP "$VARNISHLOG_BIN" ## Otherwise if it does not support reload: #rc_failed 3 #rc_status -v ;; status) echo -n "Checking for service varnish " ## Check status with checkproc(8), if process is running ## checkproc will return with exit status 0. # Return value is slightly different for the status command: # 0 - service up and running # 1 - service dead, but /var/run/ pid file exists # 2 - service dead, but /var/lock/ lock file exists # 3 - service not running (unused) # 4 - service status unknown :-( # 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.) # NOTE: checkproc returns LSB compliant status values. /sbin/checkproc -p "$VARNISHD_PID" "$VARNISHD_BIN" # NOTE: rc_status knows that we called this init script with # "status" option and adapts its messages accordingly. rc_status -v echo -n "Checking for service varnishlog " /sbin/checkproc -p "$VARNISHLOG_PID" "$VARNISHLOG_BIN" rc_status -v ;; probe) ## Optional: Probe for the necessity of a reload, print out the ## argument to this init script which is required for a reload. ## Note: probe is not (yet) part of LSB (as of 1.9) test /etc/sysconfig/varnish -nt "$VARNISHD_PID" && \ test -f /etc/varnish/default.vcl.net -nt "$VARNISHD_PID" && \ echo reload ;; *) echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}" exit 1 ;; esac rc_exit