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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
for level in ${runlevelidxs} ; do
echo "Runlevel: ${HILITE}${level}${NORMAL}"
for service in ${runlevels[${arridx}]} ; do
if [[ -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'
elif [[ -n ${starting} && $(in_list "${starting}" "${service}") -eq 1 ]] ; then
print_msg "${service}" "${GOOD}" 'starting'
elif [[ -n ${stopping} && $(in_list "${stopping}" "${service}") -eq 1 ]] ; then
print_msg "${service}" "${BAD}" 'stopping'
else
print_msg "${service}" "${BAD}" 'stopped'
fi
done
let "arridx += 1"
[ -n "${UNUSED}" ] && exit 0
done
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