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#!/bin/bash
################################################################################
# #
# Author: Sean E. Russell <ser@germane-software.com> #
# Version: 1.0 #
# Date: Jun 26, 2002 #
# Adaptation: Mike Frysinger [SpanKY] <vapier@gentoo.org> #
# Original code was in Ruby ... recoded into bash (at syntax level) #
# #
# This application displays information about the RC system used by Gentoo. #
# In particular, it displays a tree-like format of a run level, showing #
# all of the services that are installed at that level, and what each #
# service's status is (running, stopped, etc.) #
# #
# -a can be used to display all runlevels #
# -d can be used to display service dependancies #
# -u will display all unassigned services #
# -s will display all services #
# -h will display help #
# <runlevel> is used to choose the run level for which information is #
# displayed #
# #
# By default, rc-status only displays information about the current #
# runlevel; services installed and services running. #
# #
################################################################################
# grab code from functions.sh so we don't have to reproduce it
source /sbin/functions.sh
runleveldir=/etc/runlevels
# grab settings from conf.d/rc
source /etc/conf.d/rc
source "${svclib}/sh/rc-daemon.sh"
################################################################################
# Parse command line options #
################################################################################
do_opt() {
case $1 in
--all|-a)
ALL=true
;;
--depend)
DEPEND=true
;;
--unused|-u)
ALL=true
UNUSED=true
;;
--list|-l)
ls -1 ${runleveldir}
exit 0
;;
--servicelist|-s)
ALL=true
SERVICELIST=true
;;
--nocolor|-nc)
;;
--help|-h|-*)
echo "USAGE: $0 [command | <runlevel>]"
echo
echo "Commands:"
echo " -a, --all Show services at all run levels"
echo " -l, --list Show list of run levels"
echo " -u, --unused Show services not assigned to any run level"
echo " -s, --servicelist Show service list"
echo " -nc,--nocolor Monochrome output only"
echo " <runlevel> Show services assigned to <runlevel>"
echo
echo "If no arguments are supplied, shows services for current run level."
exit 0
;;
*)
runlevel=$1
;;
esac
}
for opt in "$@" ; do
do_opt ${opt}
[[ -n $2 ]] && shift
done
################################################################################
# Find the current runlevel being queried. This is either something supplied #
# on the command line, or pulled from softlevel #
################################################################################
if [[ -z ${runlevel} ]] ; then
if [[ -e ${svcdir}/softlevel ]] ; then
runlevel=$(<${svcdir}/softlevel)
else
ewarn "Could not locate current runlevel in ${svcdir}/softlevel"
if [[ -d ${runleveldir}/default ]] ; then
runlevel=default
else
eerror "Your installation is probably broken ... please \`emerge baselayout-vserver\`"
exit 1
fi
ewarn "Assuming current runlevel is '${runlevel}'"
fi
fi
if [[ ! -d ${runleveldir}/${runlevel} ]] ; then
eerror "${runlevel} is not a valid run level !"
eerror "Valid runlevels (obtained from \`rc-status --list\`):"
rc-status --list
exit 1
fi
################################################################################
# Build up a hash of the services associated with each run level. In the most #
# trivial case, this is simply the current runlevel. If --all was specified, #
# we gather information about all of the runlevels. If --unused was #
# specified, we pull info about all of the services and filter for the ones #
# that don't appear in any runlevel. #
################################################################################
runlevelidxs=$(ls ${runleveldir})
declare -a runlevels
# For each directory in /etc/runlevels, do ...
arridx=0
for level in ${runlevelidxs} ; do
if [[ ${level} == ${runlevel} || -n ${ALL} ]] ; then
runlevels[${arridx}]=$(find ${runleveldir}/${level} -maxdepth 1 -type l -printf '%f ')
let "arridx += 1"
fi
done
# In case --all was specified, get a list of all the services set up in
# /etc/init.d; services can be added, but not enabled, and we need to
# identify these 'orphan' services.
in_list() { #$1=list $2=find
for ele in $1 ; do
if [[ ${ele} == $2 ]] ; then
echo 1
return 0
fi
done
echo 0
return 0
}
if [[ -n ${ALL} ]] ; then
unassigned=
allservices=
for service in $(ls -1 /etc/init.d | grep -v '\.sh$') ; do
if [[ $(in_list "${runlevels[*]}" "${service}") -eq 0 ]] ; then
unassigned="${unassigned} ${service}"
fi
allservices="${allservices} ${service}"
done
runlevelidxs="${runlevelidxs} UNASSIGNED"
runlevels[${arridx}]="${unassigned}"
runlevels[${arridx}+1]="${allservices}"
fi
################################################################################
# Now collect information about the status of the various services; whether #
# they're started, broken, or failed. Put all of this into arrays. #
################################################################################
if [[ -x ${svcdir}/started ]]; then
started=$(ls ${svcdir}/started)
# If we're root then update service statuses incase any naughty daemons
# stopped running without our say so
if [[ ${EUID} == 0 ]]; then
for service in ${started}; do
update_service_status "${service}"
done
started=$(ls ${svcdir}/started)
fi
fi
[[ -x ${svcdir}/starting ]] && starting=$(ls ${svcdir}/starting)
[[ -x ${svcdir}/inactive ]] && inactive=$(ls ${svcdir}/inactive)
[[ -x ${svcdir}/stopping ]] && stopping=$(ls ${svcdir}/stopping)
################################################################################
# Now print out the information we've gathered. We do this by going through #
# the hash of 'runlevels' information, and for each String key/Array value #
# pair, print the runlevel; then for each service in that runlevel, print the #
# service name and its status. #
################################################################################
# Define a helper method for printing the status of a service; '[ xxx ]'
print_msg() {
printf " %-$((COLS - 5 - ${#3}))s%s\n" "$1" "${BRACKET}[ $2$3 ${BRACKET}]${NORMAL}"
}
# if --all wasnt specified, dont print everything
[[ -z ${ALL} ]] && runlevelidxs=${runlevel}
if [[ -z ${UNUSED} ]] ; then
if [[ -z ${SERVICELIST} ]] ; then
arridx=0
else
runlevelidxs="all"
let "arridx += 1"
fi
else
runlevelidxs="unused"
fi
if [[ -f "/etc/runlevels/${BOOTLEVEL}/.critical" ]]; then
boot_crit=
for x in $(< "/etc/runlevels/${BOOTLEVEL}/.critical"); do
boot_crit="${boot_crit} ${x##*/}"
done
else
boot_crit="checkroot hostname modules checkfs localmount clock"
fi
broken=""
for level in ${runlevelidxs} ; do
echo "Runlevel: ${HILITE}${level}${NORMAL}"
for service in ${runlevels[${arridx}]} ; do
if [[ ! -e "${runleveldir}/${level}/${service}" \
&& ${level} != "UNASSIGNED" \
]] && [[ ${level} != "${BOOTLEVEL}" \
|| " ${boot_crit} " != *" ${service} "* ]]; then
print_msg "${service}" "${BAD}" 'broken '
broken="${broken} ${service}"
elif [[ -n ${stopping} && $(in_list "${stopping}" "${service}") -eq 1 ]] ; then
print_msg "${service}" "${BAD}" 'stopping'
elif [[ -n ${starting} && $(in_list "${starting}" "${service}") -eq 1 ]] ; then
print_msg "${service}" "${GOOD}" 'starting'
elif [[ -n ${inactive} && $(in_list "${inactive}" "${service}") -eq 1 ]] ; then
print_msg "${service}" "${WARN}" 'inactive'
elif [[ $(in_list "${started}" "${service}") -eq 1 ]] ; then
print_msg "${service}" "${GOOD}" 'started '
else
print_msg "${service}" "${BAD}" 'stopped '
fi
done
let "arridx += 1"
[ -n "${UNUSED}" ] && exit 0
done
if [[ -n ${broken} ]]; then
eerror "You have some broken symbolic links as reported by the broken"
eerror "status above. This can be fixed by removing the broken service"
eerror "from its runlevel and re-adding it back using rc-update."
fi
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