File varnish.init of Package varnish
#!/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 <num> set local and overall rc status to <num>
# 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
