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#!/bin/sh
# PROVIDE: varnishd
# REQUIRE: DAEMON
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf to enable varnishd:
#
# varnishd_enable="YES"
#
# Configuration variables and their default values:
#
# varnishd_pidfile - full path to the PID file.
# default: "/var/run/varnishd.pid"
#
# varnishd_listen - address and port at which varnishd will listen for
# client requests.
# default: ":80"
#
# varnishd_admin - address and port at which varnishd will listen for
# administrative commands.
# default: "localhost:81"
#
# varnishd_backend - address of the backend server.
# default: "localhost:8080"
#
# varnishd_config - name of the varnishd config file.
# default: unset.
#
# varnishd_hash - hash algorithm
# default: "critbit"
#
# varnishd_storage - storage method and parameters.
# default: "file,/tmp,100M"
#
# varnishd_jailuser - unprivileged user for the child process.
# default: "varnish"
#
# varnishd_flags - complete command line arguments.
# default if varnishd_config is unset: "-j unix,user=${varnishd_jailuser} -P ${varnishd_pidfile} -a ${varnishd_listen} -T ${varnishd_admin} -b ${varnishd_backend} -s ${varnishd_storage} -h ${varnishd_hash} ${varnishd_extra_flags}"
# default if varnishd_config is set: "-j unix,user=${varnishd_jailuser} -P ${varnishd_pidfile} -a ${varnishd_listen} -T ${varnishd_admin} -f ${varnishd_config} -s ${varnishd_storage} -h ${varnishd_hash} ${varnishd_extra_flags}"
#
# See varnishd(1) for a detailed overview of command-line options.
#
. /etc/rc.subr
name=varnishd
rcvar=varnishd_enable
load_rc_config ${name}
: ${varnishd_enable:=NO}
: ${varnishd_pidfile=/var/run/${name}.pid}
: ${varnishd_listen=:80}
: ${varnishd_admin=localhost:81}
: ${varnishd_backend=localhost:8080}
: ${varnishd_storage=file,/tmp,100M}
: ${varnishd_hash=critbit}
: ${varnishd_jailuser=varnish}
command="%%PREFIX%%/sbin/${name}"
pidfile="${varnishd_pidfile}"
configtest_cmd="varnishd_checkconfig"
reload_cmd="varnishd_reload"
restart_precmd="varnishd_checkconfig"
start_precmd="varnishd_precmd"
extra_commands="status reload configtest"
if [ -n "${varnishd_config}" ] ; then
: ${varnishd_flags:="-j unix,user=${varnishd_jailuser} -P ${varnishd_pidfile} -a ${varnishd_listen} -T ${varnishd_admin} -f ${varnishd_config} -s ${varnishd_storage} -h ${varnishd_hash} ${varnishd_extra_flags}"}
else
: ${varnishd_flags:="-j unix,user=${varnishd_jailuser} -P ${varnishd_pidfile} -a ${varnishd_listen} -T ${varnishd_admin} -b ${varnishd_backend} -s ${varnishd_storage} -h ${varnishd_hash} ${varnishd_extra_flags}"}
fi
varnishd_checkconfig()
{
if [ -z "${varnishd_config}" ]; then
echo "${name}: nothing to check, no configuration file defined, builtin VCL used"
else
echo "Performing sanity check on ${name} configuration:"
if eval ${command} -C -f "${varnishd_config}" 2> /dev/null ; then
echo "${name}: the configuration file ${varnishd_config} syntax is ok"
else
err 1 "${name}: the configuration file ${varnishd_config} syntax is NOT ok"
fi
fi
}
# Adapted from work done by Ingvar Hagelund <ingvar@redpill-linpro.com> (see redhat/varnish_reload_vcl)
varnishd_reload()
{
local _current_config_name _new_config_name _varnishadm_cmd
if [ -z "${varnishd_config}" ]; then
echo "${name}: nothing to reload, no configuration file defined, builtin VCL used"
else
_new_config_name="rc.d_reloaded@$(date +%Y%m%d%H%M%S)"
_varnishadm_cmd="%%PREFIX%%/bin/varnishadm ${varnish_cli_flags}"
if ! eval ${_varnishadm_cmd} vcl.list > /dev/null; then
err 1 "${name}: can't connect to varnishadm"
fi
_current_config_name=$(${_varnishadm_cmd} vcl.list | awk ' /^active/ { print $3 } ')
if ! eval ${_varnishadm_cmd} vcl.load ${_new_config_name} ${varnishd_config} > /dev/null; then
err 1 "${name}: vcl.load failed, you're still using previous rules (${_current_config_name})"
fi
if eval ${_varnishadm_cmd} vcl.use ${_new_config_name} > /dev/null; then
echo "VCL file \"${varnishd_config}\" has been successfully loaded as \"${_new_config_name}\""
echo "To remove previous loaded configurations, you should run \"${_varnishadm_cmd} vcl.discard <configname>\" by yourself"
else
err 1 "${name}: vcl.use failed, you're still using previous rules (${_current_config_name})"
fi
fi
return 0
}
varnishd_precmd()
{
# Check config before starting
varnishd_checkconfig
}
run_rc_command "$1"
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