openrc/sh/runscript.sh.in
Eray Aslan 66abbefd6c bug 351160: make openrc exit codes LSB compliant
* status on a stopped service now has a return code of 3 (was 1)
* starting an already started service now has a return code of 0 (was 1)
* stopping an already stopped service now has a return code of 0 (was 1)
2011-01-12 19:46:11 -06:00

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#!@SHELL@
# Shell wrapper for runscript
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
sourcex()
{
if [ "$1" = "-e" ]; then
shift
[ -e "$1" ] || return 1
fi
if ! . "$1"; then
eerror "$RC_SVCNAME: error loading $1"
exit 1
fi
}
sourcex "@SYSCONFDIR@/init.d/functions.sh"
sourcex "@LIBEXECDIR@/sh/rc-functions.sh"
# Support LiveCD foo
if [ -r /sbin/livecd-functions.sh ]; then
sourcex "/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
# Dependency function
config() {
[ -n "$*" ] && echo "config $*"
}
need() {
[ -n "$*" ] && echo "need $*"
}
use() {
[ -n "$*" ] && echo "use $*"
}
before() {
[ -n "$*" ] && echo "before $*"
}
after() {
[ -n "$*" ] && echo "after $*"
}
provide() {
[ -n "$*" ] && echo "provide $*"
}
keyword() {
[ -n "$*" ] && echo "keyword $*"
}
# Descript the init script to the user
describe()
{
if [ -n "$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 3
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
eval 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 \
${stopsig:+--signal} $stopsig
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 ! sourcex -e "$_conf_d/$_c.$RC_RUNLEVEL"; then
sourcex -e "$_conf_d/$_c"
fi
fi
unset _c
# Overlay with our specific config
if ! sourcex -e "$_conf_d/$RC_SVCNAME.$RC_RUNLEVEL"; then
sourcex -e "$_conf_d/$RC_SVCNAME"
fi
unset _conf_d
# Load any system overrides
sourcex -e "@SYSCONFDIR@/rc.conf"
# Apply any ulimit defined
[ -n "${rc_ulimit:-$RC_ULIMIT}" ] && ulimit ${rc_ulimit:-$RC_ULIMIT}
# Load our script
sourcex "$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
# Sepcial case depend
if [ "$1" = depend ]; then
shift
_depend
continue
fi
# 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