9c0edc5c52
The start-stop-daemon "--make-pidfile" option is now used by default when using command_background, this requires a pidfile to be specified. Document command_background option. Reported-by: Giampaolo Tomassoni <giampaolo@tomassoni.biz> X-Gentoo-Bug: 399165 X-Gentoo-Bug-URL: https://bugs.gentoo.org/399165
296 lines
6.3 KiB
Bash
296 lines
6.3 KiB
Bash
#!@SHELL@
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# Shell wrapper for runscript
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# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
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# Released under the 2-clause BSD license.
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sourcex()
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{
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if [ "$1" = "-e" ]; then
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shift
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[ -e "$1" ] || return 1
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fi
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if ! . "$1"; then
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eerror "$RC_SVCNAME: error loading $1"
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exit 1
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fi
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}
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sourcex "@SYSCONFDIR@/init.d/functions.sh"
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sourcex "@LIBEXECDIR@/sh/rc-functions.sh"
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# Support LiveCD foo
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if sourcex -e "/sbin/livecd-functions.sh"; then
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livecd_read_commandline
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fi
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if [ ! -e ${RC_SVCDIR}/softlevel ]; then
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eerror "You are attempting to run an openrc service on a"
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eerror "system which openrc did not boot."
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eerror "You may be inside a chroot or you may have used"
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eerror "another initialization system to boot this system."
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eerror "In this situation, you will get unpredictable results!"
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eerror
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eerror "If you really want to do this, issue the following command:"
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eerror "touch ${RC_SVCDIR}/softlevel"
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exit 1
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fi
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if [ -z "$1" -o -z "$2" ]; then
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eerror "$RC_SVCNAME: not enough arguments"
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exit 1
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fi
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# So daemons know where to recall us if needed
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export RC_SERVICE="$1"
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shift
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# Compat
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export SVCNAME=$RC_SVCNAME
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# Dependency function
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config() {
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[ -n "$*" ] && echo "config $*"
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}
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need() {
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[ -n "$*" ] && echo "need $*"
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}
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use() {
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[ -n "$*" ] && echo "use $*"
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}
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before() {
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[ -n "$*" ] && echo "before $*"
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}
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after() {
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[ -n "$*" ] && echo "after $*"
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}
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provide() {
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[ -n "$*" ] && echo "provide $*"
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}
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keyword() {
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[ -n "$*" ] && echo "keyword $*"
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}
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# Describe the init script to the user
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describe()
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{
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if [ -n "$description" ]; then
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einfo "$description"
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else
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ewarn "No description for $RC_SVCNAME"
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fi
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local svc= desc=
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for svc in ${extra_commands:-$opts} $extra_started_commands \
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$extra_stopped_commands; do
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eval desc=\$description_$svc
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if [ -n "$desc" ]; then
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einfo "$HILITE$svc$NORMAL: $desc"
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else
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ewarn "$HILITE$svc$NORMAL: no description"
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fi
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done
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}
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# Report status
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_status()
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{
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if service_stopping; then
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ewarn "status: stopping"
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return 4
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elif service_starting; then
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ewarn "status: starting"
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return 8
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elif service_inactive; then
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ewarn "status: inactive"
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return 16
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elif service_started; then
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if service_crashed; then
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eerror "status: crashed"
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return 32
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fi
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einfo "status: started"
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return 0
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else
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einfo "status: stopped"
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return 3
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fi
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}
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# Template start / stop / status functions
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start()
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{
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[ -n "$command" ] || return 0
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local _background=
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ebegin "Starting ${name:-$RC_SVCNAME}"
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if yesno "${command_background}"; then
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if [ -z "${pidfile}" ]; then
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eend 1 "command_background option used but no pidfile specified"
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return 1
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fi
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_background="--background --make-pidfile --pidfile"
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fi
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if yesno "$start_inactive"; then
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local _inactive=false
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service_inactive && _inactive=true
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mark_service_inactive
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fi
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eval start-stop-daemon --start \
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--exec $command \
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${procname:+--name} $procname \
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${pidfile:+--pidfile} $pidfile \
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$_background $start_stop_daemon_args \
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-- $command_args
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eend $? "Failed to start $RC_SVCNAME" && return 0
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if yesno "$start_inactive"; then
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if ! $_inactive; then
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mark_service_stopped
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fi
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fi
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return 1
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}
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stop()
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{
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[ -n "$command" -o -n "$procname" -o -n "$pidfile" ] || return 0
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ebegin "Stopping ${name:-$RC_SVCNAME}"
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start-stop-daemon --stop \
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${retry:+--retry} $retry \
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${command:+--exec} $command \
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${procname:+--name} $procname \
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${pidfile:+--pidfile} $pidfile \
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${stopsig:+--signal} $stopsig
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eend $? "Failed to stop $RC_SVCNAME"
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}
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status()
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{
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_status
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}
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yesno $RC_DEBUG && set -x
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_conf_d=${RC_SERVICE%/*}/../conf.d
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# If we're net.eth0 or openvpn.work then load net or openvpn config
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_c=${RC_SVCNAME%%.*}
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if [ -n "$_c" -a "$_c" != "$RC_SVCNAME" ]; then
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if ! sourcex -e "$_conf_d/$_c.$RC_RUNLEVEL"; then
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sourcex -e "$_conf_d/$_c"
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fi
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fi
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unset _c
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# Overlay with our specific config
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if ! sourcex -e "$_conf_d/$RC_SVCNAME.$RC_RUNLEVEL"; then
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sourcex -e "$_conf_d/$RC_SVCNAME"
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fi
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unset _conf_d
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# Load any system overrides
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sourcex -e "@SYSCONFDIR@/rc.conf"
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# Apply any ulimit defined
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[ -n "${rc_ulimit:-$RC_ULIMIT}" ] && ulimit ${rc_ulimit:-$RC_ULIMIT}
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# Load our script
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sourcex "$RC_SERVICE"
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for _d in $required_dirs; do
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if [ ! -d $_d ]; then
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eerror "$RC_SVCNAME: \`$_d' is not a directory"
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exit 1
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fi
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done
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unset _d
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for _f in $required_files; do
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if [ ! -r $_f ]; then
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eerror "$RC_SVCNAME: \`$_f' is not readable"
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exit 1
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fi
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done
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unset _f
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if [ -n "$opts" ]; then
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ewarn "Use of the opts variable is deprecated and will be"
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ewarn "removed in the future."
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ewarn "Please use extra_commands, extra_started_commands or extra_stopped_commands."
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fi
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while [ -n "$1" ]; do
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# Special case depend
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if [ "$1" = depend ]; then
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shift
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_depend
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continue
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fi
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# See if we have the required function and run it
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for _cmd in describe start stop status ${extra_commands:-$opts} \
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$extra_started_commands $extra_stopped_commands
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do
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if [ "$_cmd" = "$1" ]; then
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if [ "$(command -v "$1")" = "$1" ]; then
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# If we're in the background, we may wish to
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# fake some commands. We do this so we can
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# "start" ourselves from inactive which then
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# triggers other services to start which
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# depend on us.
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# A good example of this is openvpn.
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if yesno $IN_BACKGROUND; then
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for _cmd in $in_background_fake; do
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if [ "$_cmd" = "$1" ]; then
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shift
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continue 3
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fi
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done
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fi
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# Check to see if we need to be started before
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# we can run this command
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for _cmd in $extra_started_commands; do
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if [ "$_cmd" = "$1" ]; then
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if ! service_started; then
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eerror "$RC_SVCNAME: cannot \`$1' as it has not been started"
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exit 1
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fi
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fi
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done
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# Check to see if we need to be stopped before
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# we can run this command
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for _cmd in $extra_stopped_commands; do
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if [ "$_cmd" = "$1" ]; then
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if ! service_stopped; then
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eerror "$RC_SVCNAME: cannot \`$1' as it has not been stopped"
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exit 1
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fi
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fi
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done
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unset _cmd
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if [ "$(command -v "$1_pre")" = "$1_pre" ]
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then
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"$1"_pre || exit $?
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fi
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"$1" || exit $?
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if [ "$(command -v "$1_post")" = "$1_post" ]
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then
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"$1"_post || exit $?
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fi
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shift
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continue 2
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else
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if [ "$_cmd" = "start" -o "$_cmd" = "stop" ]
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then
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shift
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continue 2
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else
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eerror "$RC_SVCNAME: function \`$1' defined but does not exist"
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exit 1
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fi
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fi
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fi
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done
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eerror "$RC_SVCNAME: unknown function \`$1'"
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exit 1
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done
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exit 0
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