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#!/bin/bash |
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# Copyright 1999-2005 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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# $Header$ |
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|
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# Common functions |
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[[ ${RC_GOT_FUNCTIONS} != "yes" ]] && source /sbin/functions.sh |
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# Functions to handle dependencies and services |
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[[ ${RC_GOT_SERVICES} != "yes" ]] && source "${svclib}/sh/rc-services.sh" |
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# Functions to control daemons |
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[[ ${RC_GOT_DAEMON} != "yes" ]] && source "${svclib}/sh/rc-daemon.sh" |
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|
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# Fix bug 48595 |
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if [[ ${EUID} != 0 ]] ; then |
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eerror "$0: must be root to run init scripts" |
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exit 1 |
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fi |
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|
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# State variables |
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svcpause="no" |
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svcrestart="no" |
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|
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myscript="$1" |
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if [[ -L $1 ]] && [[ ! -L /etc/init.d/${1##*/} ]] ; then |
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myservice=$(readlink "$1") |
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else |
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myservice=$1 |
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fi |
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|
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myservice=${myservice##*/} |
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mylevel=$(<"${svcdir}/softlevel") |
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|
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|
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# Set $IFACE to the name of the network interface if it is a 'net.*' script |
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if [[ ${myservice%%.*} == "net" ]] && [[ ${myservice##*.} != ${myservice} ]] ; then |
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IFACE=${myservice##*.} |
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NETSERVICE="yes" |
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else |
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IFACE= |
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NETSERVICE= |
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fi |
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|
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# We need to stop hotplug from launching net scripts until the boot level |
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# has completed |
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if [[ ${NETSERVICE} == "yes" && ${IFACE} != "lo" ]] ; then |
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if [[ -z ${mylevel} || ${mylevel} == ${BOOTLEVEL} ]] ; then |
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eerror "$0: cannot start until the runlevel "${BOOTLEVEL}" has completed" |
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exit 1 |
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fi |
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fi |
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|
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# Source configuration files. |
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# (1) Source /etc/conf.d/${myservice} to get initscript-specific |
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# configuration (if it exists). |
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# (2) Source /etc/conf.d/net if it is a net.* service |
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# (3) Source /etc/rc.conf to pick up potentially overriding |
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# configuration, if the system administrator chose to put it |
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# there (if it exists). |
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|
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[[ -e $(add_suffix /etc/conf.d/${myservice}) ]] && source "$(add_suffix /etc/conf.d/${myservice})" |
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[[ -e $(add_suffix /etc/conf.d/net) ]] && \ |
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[[ ${NETSERVICE} == "yes" ]] && source "$(add_suffix /etc/conf.d/net)" |
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[[ -e $(add_suffix /etc/rc.conf) ]] && source "$(add_suffix /etc/rc.conf)" |
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|
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|
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usage() { |
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local IFS="|" |
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myline="Usage: ${myservice} { $* " |
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echo |
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eerror "${myline}}" |
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eerror " ${myservice} without arguments for full help" |
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} |
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|
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stop() { |
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# Return success so the symlink gets removed |
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return 0 |
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} |
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|
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start() { |
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eerror "ERROR: \"${myservice}\" does not have a start function." |
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# Return failure so the symlink doesn't get created |
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return 1 |
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} |
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|
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restart() { |
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svc_restart || return $? |
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} |
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|
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status() { |
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# Dummy function |
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return 0 |
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} |
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|
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svc_stop() { |
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local x= |
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local mydep= |
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local mydeps= |
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local retval=0 |
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local ordservice= |
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|
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if ! service_started "${myservice}" ; then |
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if [[ ${RC_QUIET_STDOUT} != "yes" ]] ; then |
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eerror "ERROR: \"${myservice}\" has not yet been started." |
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return 1 |
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else |
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return 0 |
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fi |
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fi |
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|
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# Do not try to stop if it had already failed to do so on runlevel change |
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if is_runlevel_stop && service_failed "${myservice}" ; then |
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exit 1 |
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fi |
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|
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# Remove symlink to prevent recursion |
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mark_service_stopped "${myservice}" |
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|
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if in_runlevel "${myservice}" "${BOOTLEVEL}" && \ |
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[[ ${SOFTLEVEL} != "reboot" && ${SOFTLEVEL} != "shutdown" && ${SOFTLEVEL} != "single" ]] |
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then |
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ewarn "WARNING: you are stopping a boot service." |
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fi |
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|
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if [[ ${svcpause} != "yes" ]] ; then |
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if [[ ${NETSERVICE} == "yes" ]] ; then |
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# A net.* service |
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if in_runlevel "${myservice}" "${BOOTLEVEL}" || \ |
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in_runlevel "${myservice}" "${mylevel}" |
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then |
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# Only worry about net.* services if this is the last one running, |
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# or if RC_NET_STRICT_CHECKING is set ... |
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if ! is_net_up ; then |
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mydeps="net" |
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fi |
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fi |
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|
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mydeps="${mydeps} ${myservice}" |
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else |
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mydeps="${myservice}" |
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fi |
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fi |
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|
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for mydep in ${mydeps} ; do |
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# If some service 'need' $mydep, stop it first; or if it is a runlevel change, |
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# first stop all services that is started 'after' $mydep. |
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if needsme "${mydep}" >/dev/null || \ |
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(is_runlevel_stop && ibefore "${mydep}" >/dev/null) |
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then |
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local servicelist="$(needsme "${mydep}")" |
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|
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# On runlevel change, stop all services "after $mydep" first ... |
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is_runlevel_stop && servicelist="${servicelist} $(ibefore "${mydep}")" |
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|
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for x in ${servicelist} ; do |
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# Make sure we have a relevant rc-script ... |
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if [[ ${x} != "net" && ! -f /etc/init.d/${x} ]] ; then |
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continue |
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fi |
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|
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# Service not currently running, continue |
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service_started "${x}" || continue |
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|
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if ibefore -t "${mydep}" "${x}" >/dev/null && \ |
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[[ -L ${svcdir}/softscripts.new/${x} ]] |
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then |
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# Service do not 'need' $mydep, and is still present in |
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# new runlevel ... |
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continue |
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fi |
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|
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stop_service "${x}" |
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|
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if [[ $? -ne 0 ]] ; then |
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# If we are halting the system, try and get it down as |
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# clean as possible, else do not stop our service if |
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# a dependent service did not stop. |
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if needsme -t "${mydep}" "${x}" >/dev/null && \ |
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[[ ${SOFTLEVEL} != "reboot" && ${SOFTLEVEL} != "shutdown" ]] |
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then |
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retval=1 |
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fi |
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|
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break |
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fi |
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done |
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fi |
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done |
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|
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if [[ ${retval} -ne 0 ]] ; then |
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eerror "ERROR: problems stopping dependent services." |
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eerror " \"${myservice}\" is still up." |
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else |
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# Now that deps are stopped, stop our service |
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stop |
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retval="$?" |
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fi |
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|
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if [[ ${retval} -ne 0 ]] ; then |
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# Did we fail to stop? create symlink to stop multible attempts at |
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# runlevel change. Note this is only used at runlevel change ... |
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if is_runlevel_stop ; then |
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mark_service_failed "${myservice}" |
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fi |
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|
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# If we are halting the system, do it as cleanly as possible |
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if [[ ${SOFTLEVEL} != "reboot" && ${SOFTLEVEL} != "shutdown" ]] ; then |
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mark_service_started "${myservice}" |
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fi |
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fi |
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|
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return "${retval}" |
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} |
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|
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svc_start() { |
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local retval=0 |
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local startfail="no" |
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local x= |
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local y= |
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local myserv= |
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local ordservice= |
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|
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if ! service_started "${myservice}" ; then |
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# Do not try to start if i have done so already on runlevel change |
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if is_runlevel_start && service_failed "${myservice}" ; then |
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exit 1 |
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fi |
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|
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# Link first to prevent possible recursion |
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mark_service_started "${myservice}" |
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|
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# On rc change, start all services "before $myservice" first |
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if is_runlevel_start ; then |
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startupservices="$(ineed "${myservice}") \ |
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$(valid_iuse "${myservice}") \ |
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$(valid_iafter "${myservice}")" |
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else |
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startupservices="$(ineed "${myservice}") \ |
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$(valid_iuse "${myservice}")" |
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fi |
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|
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# Start dependencies, if any |
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for x in ${startupservices} ; do |
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if [[ ${x} == "net" && ${NETSERVICE} != "yes" ]] && ! is_net_up ; then |
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local netservices="$(dolisting "/etc/runlevels/${BOOTLEVEL}/net.*") \ |
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$(dolisting "/etc/runlevels/${mylevel}/net.*")" |
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|
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for y in ${netservices} ; do |
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mynetservice="${y##*/}" |
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|
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if ! service_started "${mynetservice}" ; then |
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start_service "${mynetservice}" |
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|
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# A 'need' dependency is critical for startup |
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if [[ $? -ne 0 ]] && ineed -t "${myservice}" "${x}" >/dev/null ; then |
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# Only worry about a net.* service if we do not have one |
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# up and running already, or if RC_NET_STRICT_CHECKING |
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# is set .... |
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if ! is_net_up ; then |
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startfail="yes" |
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fi |
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fi |
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fi |
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done |
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|
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elif [[ ${x} != "net" ]] ; then |
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if ! service_started "${x}" ; then |
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start_service "${x}" |
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|
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# A 'need' dependacy is critical for startup |
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if [[ $? -ne 0 ]] && ineed -t "${myservice}" "${x}" >/dev/null ; then |
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startfail="yes" |
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fi |
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fi |
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fi |
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done |
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|
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if [[ ${startfail} == "yes" ]] ; then |
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eerror "ERROR: Problem starting needed services." |
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eerror " \"${myservice}\" was not started." |
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retval=1 |
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fi |
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|
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# Start service |
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if [[ ${retval} -eq 0 ]] && broken "${myservice}" ; then |
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eerror "ERROR: Some services needed are missing. Run" |
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eerror " './${myservice} broken' for a list of those" |
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eerror " services. \"${myservice}\" was not started." |
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retval=1 |
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elif [[ ${retval} -eq 0 ]] && ! broken "${myservice}" ; then |
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start |
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retval="$?" |
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fi |
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|
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if [[ ${retval} -ne 0 ]] && is_runlevel_start ; then |
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mark_service_failed "${myservice}" |
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fi |
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|
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# Remove link if service didn't start; but only if we're not booting |
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# if we're booting, we need to continue and do our best to get the |
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# system up. |
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if [[ ${retval} -ne 0 && ${SOFTLEVEL} != ${BOOTLEVEL} ]] ; then |
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mark_service_stopped "${myservice}" |
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fi |
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|
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return "${retval}" |
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else |
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if [[ ${RC_QUIET_STDOUT} != "yes" ]] ; then |
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ewarn "WARNING: \"${myservice}\" has already been started." |
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fi |
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|
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return 0 |
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fi |
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} |
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|
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svc_restart() { |
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if service_started "${myservice}" ; then |
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svc_stop || return "$?" |
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sleep 1 |
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fi |
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|
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svc_start || return "$?" |
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} |
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|
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svc_status() { |
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# The basic idea here is to have some sort of consistent |
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# output in the status() function which scripts can use |
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# as an generic means to detect status. Any other output |
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# should thus be formatted in the custom status() function |
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# to work with the printed " * status: foo". |
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local efunc="" state="" |
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|
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if service_started "${myservice}" ; then |
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efunc="einfo" |
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state="started" |
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else |
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efunc="eerror" |
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state="stopped" |
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fi |
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[[ ${RC_QUIET_STDOUT} != "yes" ]] \ |
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&& ${efunc} "status: ${state}" |
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|
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status |
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[[ ${efunc} != "eerror" ]] |
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} |
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|
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rcscript_errors=$(wrap_rcscript "${myscript}" 2>&1) || { |
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[[ -n ${rcscript_errors} ]] && echo "${rcscript_errors}" >&2 |
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eerror "ERROR: \"${myscript}\" has syntax errors in it; not executing..." |
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exit 1 |
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} |
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|
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# set *after* wrap_rcscript, else we get duplicates. |
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opts="" |
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|
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source "${myscript}" |
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|
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# make sure whe have valid $opts |
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opts="start stop restart pause zap ${opts}" |
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|
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svc_homegrown() { |
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local arg="$1" |
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local x= |
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|
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# Walk through the list of available options, looking for the |
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# requested one. |
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for x in ${opts} ; do |
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if [[ ${x} == ${arg} ]] ; then |
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if typeset -F "${x}" &>/dev/null ; then |
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# Run the homegrown function |
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"${x}" |
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|
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return $? |
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fi |
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fi |
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done |
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|
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# If we're here, then the function wasn't in $opts. |
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eerror "ERROR: wrong args. ( "${arg}" / $* )" |
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# Do not quote this either ... |
| 380 |
usage ${opts} |
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exit 1 |
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} |
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|
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shift |
| 385 |
if [[ $# -lt 1 ]] ; then |
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eerror "ERROR: not enough args." |
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usage ${opts} |
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exit 1 |
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fi |
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for arg in $* ; do |
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case "${arg}" in |
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--quiet) |
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RC_QUIET_STDOUT="yes" |
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;; |
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# We check this in functions.sh ... |
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# --nocolor) |
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# RC_NOCOLOR="yes" |
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# ;; |
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--verbose) |
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RC_VERBOSE="yes" |
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;; |
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esac |
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done |
| 404 |
for arg in $* ; do |
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case "${arg}" in |
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stop) |
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svc_stop |
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;; |
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start) |
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svc_start |
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;; |
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needsme|ineed|usesme|iuse|broken) |
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list_depend_trace "${arg}" |
| 414 |
;; |
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status) |
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svc_status |
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;; |
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zap) |
| 419 |
if service_started "${myservice}" ; then |
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einfo "Manually resetting ${myservice} to stopped state." |
| 421 |
mark_service_stopped "${myservice}" |
| 422 |
fi |
| 423 |
;; |
| 424 |
restart) |
| 425 |
svcrestart="yes" |
| 426 |
|
| 427 |
# Create a snapshot of started services |
| 428 |
rm -rf "${svcdir}/snapshot/$$" |
| 429 |
mkdir -p "${svcdir}/snapshot/$$" |
| 430 |
cp -a "${svcdir}"/started/* "${svcdir}/snapshot/$$/" |
| 431 |
|
| 432 |
# Simple way to try and detect if the service use svc_{start,stop} |
| 433 |
# to restart if it have a custom restart() funtion. |
| 434 |
if [[ -n $(egrep '^[[:space:]]*restart[[:space:]]*()' "/etc/init.d/${myservice}") ]] ; then |
| 435 |
if [[ -z $(egrep 'svc_stop' "/etc/init.d/${myservice}") || \ |
| 436 |
-z $(egrep 'svc_start' "/etc/init.d/${myservice}") ]] |
| 437 |
then |
| 438 |
echo |
| 439 |
ewarn "Please use 'svc_stop; svc_start' and not 'stop; start' to" |
| 440 |
ewarn "restart the service in its custom 'restart()' function." |
| 441 |
ewarn "Run ${myservice} without arguments for more info." |
| 442 |
echo |
| 443 |
svc_restart |
| 444 |
else |
| 445 |
restart |
| 446 |
fi |
| 447 |
else |
| 448 |
restart |
| 449 |
fi |
| 450 |
|
| 451 |
# Restart dependencies as well |
| 452 |
if service_started "${myservice}" ; then |
| 453 |
for x in $(dolisting "${svcdir}/snapshot/$$/") ; do |
| 454 |
if ! service_started "${x##*/}" ; then |
| 455 |
# schedule_service_startup "${x##*/}" |
| 456 |
start_service "${x##*/}" |
| 457 |
fi |
| 458 |
done |
| 459 |
fi |
| 460 |
|
| 461 |
# Wait for any services that may still be running ... |
| 462 |
# [[ ${RC_PARALLEL_STARTUP} == "yes" ]] && wait |
| 463 |
|
| 464 |
rm -rf "${svcdir}/snapshot/$$" |
| 465 |
svcrestart="no" |
| 466 |
;; |
| 467 |
pause) |
| 468 |
svcpause="yes" |
| 469 |
svc_stop |
| 470 |
svcpause="no" |
| 471 |
;; |
| 472 |
--quiet|--nocolor) |
| 473 |
;; |
| 474 |
*) |
| 475 |
# Allow for homegrown functions |
| 476 |
svc_homegrown ${arg} |
| 477 |
;; |
| 478 |
esac |
| 479 |
done |
| 480 |
|
| 481 |
|
| 482 |
# vim:ts=4 |
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