openrc/sh/runscript.sh.in

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#!@SHELL@
# Shell wrapper for runscript
# Copyright 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
. @SYSCONFDIR@/init.d/functions.sh
. "${RC_LIBDIR}"/sh/rc-functions.sh
# Support LiveCD foo
if [ -r /sbin/livecd-functions.sh ]; then
. /sbin/livecd-functions.sh
livecd_read_commandline
fi
if [ -z "$1" -o -z "$2" ]; then
eerror "${RC_SVCNAME}: not enough arguments"
exit 1
fi
# So daemons know where to recall us if needed
export RC_SERVICE="$1"
shift
# Compat
export SVCNAME=${RC_SVCNAME}
# Descript the init script to the user
describe()
{
if [ -n "${description}" ]; then
einfo "${description}"
else
ewarn "No description for ${RC_SVCNAME}"
fi
local svc= desc=
for svc in ${extra_commands:-${opts}} ${extra_started_commands}; do
eval desc=\$description_${svc}
if [ -n "${desc}" ]; then
einfo "${HILITE}${svc}${NORMAL}: ${desc}"
else
ewarn "${HILITE}${svc}${NORMAL}: no description"
fi
done
}
# Report status
_status()
{
if service_stopping; then
ewarn "status: stopping"
return 4
elif service_starting; then
ewarn "status: starting"
return 8
elif service_inactive; then
ewarn "status: inactive"
return 16
elif service_started; then
if service_crashed; then
eerror "status: crashed"
return 32
fi
einfo "status: started"
return 0
else
einfo "status: stopped"
return 1
fi
}
# Template start / stop / status functions
start()
{
[ -n "${command}" ] || return 0
local _background=
ebegin "Starting ${name:-${RC_SVCNAME}}"
if yesno "${command_background}"; then
_background="--background --pidfile"
fi
if yesno "${start_inactive}"; then
local _inactive=false
service_inactive && _inactive=true
mark_service_inactive
fi
start-stop-daemon --start \
--exec ${command} \
${procname:+--name} ${procname} \
${pidfile:+--pidfile} ${pidfile} \
${_background} ${start_stop_daemon_args} \
-- ${command_args}
eend $? "Failed to start ${RC_SVCNAME}" && return 0
if yesno "${start_inactive}"; then
if ! ${_inactive}; then
mark_service_stopped
fi
fi
return 1
}
stop()
{
[ -n "${command}" -o -n "${procname}" -o -n "${pidfile}" ] || return 0
ebegin "Stopping ${name:-${RC_SVCNAME}}"
start-stop-daemon --stop \
${command:+--exec} ${command} \
${procname:+--name} ${procname} \
${pidfile:+--pidfile} ${pidfile}
eend $? "Failed to stop ${RC_SVCNAME}"
}
status()
{
_status
}
yesno ${RC_DEBUG} && set -x
_conf_d=${RC_SERVICE%/*}/../conf.d
# If we're net.eth0 or openvpn.work then load net or openvpn config
_c=${RC_SVCNAME%%.*}
if [ -n "${_c}" -a "${_c}" != "${RC_SVCNAME}" ]; then
if [ -e "${_conf_d}/${_c}.${RC_RUNLEVEL}" ]; then
. "${_conf_d}/${_c}.${RC_RUNLEVEL}"
elif [ -e "${_conf_d}/${_c}" ]; then
. "${_conf_d}//${_c}"
fi
fi
unset _c
# Overlay with our specific config
if [ -e "${_conf_d}/${RC_SVCNAME}.${RC_RUNLEVEL}" ]; then
. "${_conf_d}/${RC_SVCNAME}.${RC_RUNLEVEL}"
elif [ -e "${_conf_d}/${RC_SVCNAME}" ]; then
. "${_conf_d}/${RC_SVCNAME}"
fi
unset _conf_d
# Load any system overrides
[ -e @SYSCONFDIR@/rc.conf ] && . @SYSCONFDIR@/rc.conf
# Apply any ulimit defined
[ -n "${rc_ulimit:-${RC_ULIMIT}}" ] && ulimit ${rc_ulimit:-${RC_ULIMIT}}
# Load our script
. "${RC_SERVICE}"
for _d in ${required_dirs}; do
if [ ! -d ${_d} ]; then
eerror "${RC_SVCNAME}: \`${_d}' is not a directory"
exit 1
fi
done
unset _d
for _f in ${required_files}; do
if [ ! -r ${_f} ]; then
eerror "${RC_SVCNAME}: \`${_f}' is not readable"
exit 1
fi
done
unset _f
while [ -n "$1" ]; do
# See if we have the required function and run it
for _cmd in describe start stop status ${extra_commands:-${opts}} \
${extra_started_commands}; do
if [ "${_cmd}" = "$1" ]; then
if [ "$(command -v "$1")" = "$1" ]; then
# If we're in the background, we may wish to
# fake some commands. We do this so we can
# "start" ourselves from inactive which then
# triggers other services to start which depend
# on us. A good example of this is openvpn.
if yesno ${IN_BACKGROUND}; then
for _cmd in ${in_background_fake}; do
if [ "${_cmd}" = "$1" ]; then
shift
continue 3
fi
done
fi
# Check to see if we need to be started before
# we can run this command
for _cmd in ${extra_started_commands}; do
if [ "${_cmd}" = "$1" ]; then
if ! service_started; then
eerror "${RC_SVCNAME}: cannot \`$1' as it has not been started"
exit 1
fi
fi
done
unset _cmd
if [ "$(command -v "$1_pre")" = "$1_pre" ]; then
"$1"_pre || exit $?
fi
"$1" || exit $?
if [ "$(command -v "$1_post")" = "$1_post" ]; then
"$1"_post || exit $?
fi
shift
continue 2
else
if [ "${_cmd}" = "start" -o "${_cmd}" = "stop" ]; then
shift
continue 2
else
eerror "${RC_SVCNAME}: function \`$1' defined but does not exist"
exit 1
fi
fi
fi
done
eerror "${RC_SVCNAME}: unknown function \`$1'"
exit 1
done