openrc/sh/runscript.sh.in

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#!@SHELL@
# Shell wrapper for runscript
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# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
verify_boot()
{
if [ ! -e ${RC_SVCDIR}/softlevel ]; then
eerror "You are attempting to run an openrc service on a"
eerror "system which openrc did not boot."
eerror "You may be inside a chroot or you may have used"
eerror "another initialization system to boot this system."
eerror "In this situation, you will get unpredictable results!"
eerror
eerror "If you really want to do this, issue the following command:"
eerror "touch ${RC_SVCDIR}/softlevel"
exit 1
fi
return 0
}
sourcex()
{
if [ "$1" = "-e" ]; then
shift
[ -e "$1" ] || return 1
fi
if ! . "$1"; then
eerror "$RC_SVCNAME: error loading $1"
exit 1
fi
}
sourcex "@LIBEXECDIR@/sh/functions.sh"
sourcex "@LIBEXECDIR@/sh/rc-functions.sh"
[ "$RC_SYS" != "PREFIX" ] && sourcex -e "@LIBEXECDIR@/sh/rc-cgroup.sh"
# Support LiveCD foo
if sourcex -e "/sbin/livecd-functions.sh"; then
livecd_read_commandline
fi
if [ -z "$1" -o -z "$2" ]; then
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eerror "$RC_SVCNAME: not enough arguments"
exit 1
fi
# So daemons know where to recall us if needed
RC_SERVICE="$1" ; export RC_SERVICE
shift
# Compat
SVCNAME=$RC_SVCNAME ; export 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 $*"
}
# Describe the init script to the user
describe()
{
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if [ -n "$description" ]; then
einfo "$description"
else
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ewarn "No description for $RC_SVCNAME"
fi
local svc= desc=
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for svc in ${extra_commands:-$opts} $extra_started_commands \
$extra_stopped_commands; do
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eval desc=\$description_$svc
if [ -n "$desc" ]; then
einfo "$HILITE$svc$NORMAL: $desc"
else
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ewarn "$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()
{
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[ -n "$command" ] || return 0
local _background=
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ebegin "Starting ${name:-$RC_SVCNAME}"
if yesno "${command_background}"; then
if [ -z "${pidfile}" ]; then
eend 1 "command_background option used but no pidfile specified"
return 1
fi
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_background="--background --make-pidfile"
fi
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if yesno "$start_inactive"; then
local _inactive=false
service_inactive && _inactive=true
mark_service_inactive
fi
eval start-stop-daemon --start \
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--exec $command \
${procname:+--name} $procname \
${pidfile:+--pidfile} $pidfile \
$_background $start_stop_daemon_args \
-- $command_args
if eend $? "Failed to start $RC_SVCNAME"; then
service_set_value "command" "${command}"
[ -n "${pidfile}" ] && service_set_value "pidfile" "${pidfile}"
[ -n "${procname}" ] && service_set_value "procname" "${procname}"
return 0
fi
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if yesno "$start_inactive"; then
if ! $_inactive; then
mark_service_stopped
fi
fi
return 1
}
stop()
{
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local startcommand="$(service_get_value "command")"
local startpidfile="$(service_get_value "pidfile")"
local startprocname="$(service_get_value "procname")"
command="${startcommand:-$command}"
pidfile="${startpidfile:-$pidfile}"
procname="${startprocname:-$procname}"
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[ -n "$command" -o -n "$procname" -o -n "$pidfile" ] || return 0
ebegin "Stopping ${name:-$RC_SVCNAME}"
start-stop-daemon --stop \
${retry:+--retry} $retry \
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${command:+--exec} $command \
${procname:+--name} $procname \
${pidfile:+--pidfile} $pidfile \
${stopsig:+--signal} $stopsig
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eend $? "Failed to stop $RC_SVCNAME"
}
status()
{
_status
}
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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
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[ -n "${rc_ulimit:-$RC_ULIMIT}" ] && ulimit ${rc_ulimit:-$RC_ULIMIT}
# Apply cgroups settings if defined
if [ "$(command -v cgroup_add_service)" = "cgroup_add_service" ]; then
cgroup_add_service /sys/fs/cgroup/openrc
cgroup_add_service /sys/fs/cgroup/systemd/system
fi
[ "$(command -v cgroup_set_limits)" = "cgroup_set_limits" ] && \
cgroup_set_limits
# Load our script
sourcex "$RC_SERVICE"
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for _d in $required_dirs; do
if [ ! -d $_d ]; then
eerror "$RC_SVCNAME: \`$_d' is not a directory"
exit 1
fi
done
unset _d
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for _f in $required_files; do
if [ ! -r $_f ]; then
eerror "$RC_SVCNAME: \`$_f' is not readable"
exit 1
fi
done
unset _f
if [ -n "$opts" ]; then
ewarn "Use of the opts variable is deprecated and will be"
ewarn "removed in the future."
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ewarn "Please use extra_commands, extra_started_commands or extra_stopped_commands."
fi
while [ -n "$1" ]; do
# Special case depend
if [ "$1" = depend ]; then
shift
# Enter the dir of the init script to fix the globbing
# bug 412677
cd ${RC_SERVICE%/*}
_depend
cd /
continue
fi
# See if we have the required function and run it
for _cmd in describe start stop status ${extra_commands:-$opts} \
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$extra_started_commands $extra_stopped_commands
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do
if [ "$_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
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# 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
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for _cmd in $extra_started_commands; do
if [ "$_cmd" = "$1" ]; then
if verify_boot && ! service_started; then
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eerror "$RC_SVCNAME: cannot \`$1' as it has not been started"
exit 1
fi
fi
done
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# Check to see if we need to be stopped before
# we can run this command
for _cmd in $extra_stopped_commands; do
if [ "$_cmd" = "$1" ]; then
if verify_boot && ! service_stopped; then
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eerror "$RC_SVCNAME: cannot \`$1' as it has not been stopped"
exit 1
fi
fi
done
unset _cmd
case $1 in
start|stop|status) verify_boot;;
esac
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if [ "$(command -v "$1_pre")" = "$1_pre" ]
then
"$1"_pre || exit $?
fi
"$1" || exit $?
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if [ "$(command -v "$1_post")" = "$1_post" ]
then
"$1"_post || exit $?
fi
[ "$(command -v cgroup_cleanup)" = "cgroup_cleanup" -a \
"$1" = "stop" ] && \
cgroup_cleanup
shift
continue 2
else
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if [ "$_cmd" = "start" -o "$_cmd" = "stop" ]
then
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shift
continue 2
else
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eerror "$RC_SVCNAME: function \`$1' defined but does not exist"
exit 1
fi
fi
fi
done
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eerror "$RC_SVCNAME: unknown function \`$1'"
exit 1
done
exit 0