openrc/sh/runscript.sh

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#!/bin/sh
# Shell wrapper for runscript
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
. /etc/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 "$2" ]; then
eerror "${SVCNAME}: not enough arguments"
exit 1
fi
# Descript the init script to the user
describe() {
if [ -n "${description}" ]; then
einfo "${description}"
else
ewarn "No description for ${SVCNAME}"
fi
local svc= desc=
for svc in ${extra_commands:-${opts}}; do
eval desc=\$description_${svc}
if [ -n "${desc}" ]; then
einfo "${HILITE}${svc}${NORMAL}: ${desc}"
else
ewarn "${HILITE}${svc}${NORMAL}: no description"
fi
done
}
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yesno ${RC_DEBUG} && set -x
# If we're net.eth0 or openvpn.work then load net or openvpn config
_c=${SVCNAME%%.*}
if [ -n "${_c}" -a "${_c}" != "${SVCNAME}" ]; then
if [ -e "/etc/conf.d/${_c}.${RC_SOFTLEVEL}" ]; then
. "/etc/conf.d/${_c}.${RC_SOFTLEVEL}"
elif [ -e "/etc/conf.d/${_c}" ]; then
. "/etc/conf.d/${_c}"
fi
fi
unset _c
# Overlay with our specific config
if [ -e "/etc/conf.d/${SVCNAME}.${RC_SOFTLEVEL}" ]; then
. "/etc/conf.d/${SVCNAME}.${RC_SOFTLEVEL}"
elif [ -e "/etc/conf.d/${SVCNAME}" ]; then
. "/etc/conf.d/${SVCNAME}"
fi
# Load any system overrides
[ -e /etc/rc.conf ] && . /etc/rc.conf
# Apply any ulimit defined
[ -n "${rc_ulimit:-${RC_ULIMIT}}" ] && ulimit ${rc_ulimit:-${RC_ULIMIT}}
# Load our script
. $1
shift
for _d in ${required_dirs}; do
if [ ! -d ${_d} ]; then
eerror "${SVCNAME}: \`${_d}' is not a directory"
exit 1
fi
done
unset _d
for _f in ${required_files}; do
if [ ! -r ${_f} ]; then
eerror "${SVCNAME}: \`${_f}' is not readable"
exit 1
fi
done
unset _f
# If we have a default command then supply a default start function
if [ -n "${command}" ]; then
if ! type start >/dev/null 2>&1; then
start() {
local _background=
ebegin "Starting ${name:-${SVCNAME}}"
if yesno "${command_background}"; then
_background="--background --pidfile"
fi
if yesno "${start_inactive}"; then
local _inactive=false
service_inactive "${SVCNAME}" && _inactive=true
mark_service_inactive "${SVCNAME}"
fi
start-stop-daemon --start \
--exec ${command} \
${procname:+--name} ${procname} \
${pidfile:+--pidfile} ${pidfile} \
${_background} ${start_stop_daemon_args} \
-- ${command_args}
eend $? "Failed to start ${SVCNAME}" && return 0
if yesno "${start_inactive}"; then
if ! ${_inactive}; then
mark_service_stopped "${SVCNAME}"
fi
fi
return 1
}
fi
fi
# If we have a default command, procname or pidfile then supply a default stop
# function
if [ -n "${command}" -o -n "${procname}" -o -n "${pidfile}" ]; then
if ! type stop >/dev/null 2>&1; then
stop() {
ebegin "Stopping ${name:-${SVCNAME}}"
start-stop-daemon --stop \
${command:+--exec} ${command} \
${procname:+--name} ${procname} \
${pidfile:+--pidfile} ${pidfile}
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eend $? "Failed to stop ${SVCNAME}"
}
fi
fi
while [ -n "$1" ]; do
# See if we have the required function and run it
for _cmd in describe start stop ${extra_commands:-${opts}} \
${extra_started_commands}; do
if [ "${_cmd}" = "$1" ]; then
if type "$1" >/dev/null 2>&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}" = "$1" ]; then
if ! service_started "${SVCNAME}"; then
eerror "${SVCNAME}: cannot \`$1' as it has not been started"
exit 1
fi
fi
done
unset _cmd
if type "$1"_pre >/dev/null 2>&1; then
"$1"_pre || exit $?
fi
"$1" || exit $?
if type "$1"_post >/dev/null 2>&1; then
"$1"_post || exit $?
fi
shift
continue 2
else
if [ "${_cmd}" = "start" -o "${_cmd}" = "stop" ]; then
exit 0
else
eerror "${SVCNAME}: function \`$1' defined but does not exist"
exit 1
fi
fi
fi
done
eerror "${SVCNAME}: unknown function \`$1'"
exit 1
done
# vim: set ts=4 :