openrc/sh/runscript.sh.in
2009-04-26 21:13:26 +00:00

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#!@SHELL@
# Shell wrapper for runscript
# Copyright 2007-2009 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