Annotation of /trunk/initscripts/sysvinit/sbin/rc-config

#!/bin/bash
# $Id$

RC_INIT_BASE=${MROOT}/etc/init.d
RC_EXCLUDE="rc functions template splash-functions udev mdev README"

VERSION=0.5

get_run_levels()
{
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%rlevels:" ${SCRIPT} | sed -e 's/#%rlevels://g')

	echo ${ALL_LEVELS}

	return 0
}


get_needs()
{
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%needs:" ${SCRIPT} | sed -e 's/#%needs://g')

	echo ${ALL_LEVELS}

	return 0
}

get_before()
{
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%before:" ${SCRIPT} | sed -e 's/#%before://g')

	echo ${ALL_LEVELS}

	return 0
}

get_after()
{
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%after:" ${SCRIPT} | sed -e 's/#%after://g')

	echo ${ALL_LEVELS}

	return 0
}

get_start()
{
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%start:" ${SCRIPT} | sed -e 's/#%start://g')

	echo ${ALL_LEVELS}

	return 0
}

get_stop()
{
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%stop:" ${SCRIPT} | sed -e 's/#%stop://g')

	echo ${ALL_LEVELS}

	return 0
}


rc_service_add()
{
	RC_SERVICE=$1
	RC_START=$(get_start ${RC_SERVICE})
	RC_STOP=$(get_stop ${RC_SERVICE})

	echo "Adding ${RC_SERVICE} to:"
	for i in $(get_run_levels ${RC_SERVICE})
	do
		case ${i} in
			# start
			?:s)
				[[ ${i} = 7:s ]] && i="sysinit:s"
				echo -e "\t\t[rc${i/:s/}.d -> S${RC_START}]"
				ln -snf ../init.d/${RC_SERVICE} \
					${MROOT}/etc/rc.d/rc${i/:s/}.d/S${RC_START}${RC_SERVICE}
				;;
			# stop
			?:k)
				[[ ${i} = 7:k ]] && i="sysinit:k"
				echo -e "\t\t[rc${i/:k/}.d -> K${RC_STOP}]"
				ln -snf ../init.d/${RC_SERVICE} \
					${MROOT}/etc/rc.d/rc${i/:k/}.d/K${RC_STOP}${RC_SERVICE}
				;;
			*)
				echo "error"
				exit 1
				;;
		esac
	done
}

rc_service_del()
{
	RC_SERVICE=$1

	echo "Deleting ${RC_SERVICE} from all runlevels:"
	for i in 0 1 2 3 4 5 6 sysinit
	do
		for z in 00 01 02 03 04 05 06 07 08 09 $(seq 10 99)
		do
			if [ -L "${MROOT}/etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}" ]
			then
				echo -e "\t\t[rc${i}.d <- S${z}]"
				rm ${MROOT}/etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}
			fi
	
			if [ -L "${MROOT}/etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}" ]
			then
				echo -e "\t\t[rc${i}.d <- K${z}]"
				rm ${MROOT}/etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}
			fi
		done
	done
}

rc_service_show()
{
	RC_SERVICE=$1

	local ALL_RUNLEVELS

	# read'em (single)
	for i in $(seq 0 7)
	do
		level=${i}
		[[ ${i} = 7 ]] && level=sysinit

		for script in ${MROOT}/etc/rc.d/rc${level}.d/*
		do
			x="$(basename ${script})"
			[[ ${x/???/} = ${RC_SERVICE} ]] &&
				ALL_RUNLEVELS[${i}]=${x/${RC_SERVICE}/}
		done
	done

	# show them (single)
	echo -n "${RC_SERVICE}: "
	for i in $(seq 0 7)
	do
		[[ ! -z ${ALL_RUNLEVELS[${i}]} ]] &&
			echo -n "[${i}:${ALL_RUNLEVELS[${i}]}] "
	done
	echo
}

check_not_excluded()
{
	local SCRIPT
	SCRIPT=$1

	for i in ${RC_EXCLUDE}
	do
		[[ ${SCRIPT} = ${i} ]] && return 1
	done

	return 0
}


chg_initdefault()
{
	local newinitdef
	declare -i newinitdef="$1"

	if [[ -z ${newinitdef} ]]
	then
		echo "You must give an initlevel."
		exit 1
	fi

	if [ ${newinitdef} -le 0 -a ${newinitdef} -ge 6 ]
	then
		echo "You can only choose initlevels between 1-5."
		exit 1
	fi

	current=$(cat ${MROOT}/etc/inittab | grep initdefault)

	cp ${MROOT}/etc/inittab ${MROOT}/etc/inittab-orig
	sed -e "s/${current}/id:${newinitdef}:initdefault:/g"   \
		${MROOT}/etc/inittab-orig > ${MROOT}/etc/inittab
	if [[ $? = 0 ]]
	then
		rm -f ${MROOT}/etc/inittab-orig
		echo "Changed default initlevel to ${newinitdef} successfully."
		exit 0
	else
		echo "Error: original inittab was saved to /etc/inittab-orig"
		exit 1
	fi
}

rc_service_control()
{
	local cmd="$1"
	local svc="$2"

	case ${cmd} in
		start|stop|restart|reload|status) ;;
		*) echo "unknown operation"; exit 1 ;;
	esac

	if [ ! -e ${RC_INIT_BASE}/${svc} ]
	then
		echo "Service '${RC_INIT_BASE}/${svc}' does not exist."
		exit 1
	fi

	if [[ -n ${MROOT} ]]
	then
		echo "\${MROOT} is set, not starting service $2"
	else
		if [ -x ${RC_INIT_BASE}/${svc} ]
		then
			${RC_INIT_BASE}/${svc} ${cmd}
		else
			echo "Service '${RC_INIT_BASE}/${svc}' is not executable."
			exit 1
		fi
	fi
}


usage()
{
	echo "Magellan RC Configurator v${VERSION} -- Niels Rogalla (niro@magellan-linux.de)"
	echo -e "\nUsage: $(basename $0) [Option] [File] ..."
	echo -e "     add         adds script to runlevel"
	echo -e "     del         deletes script from runlevel"
	echo -e "     show        shows current runlevel settings"
	echo -e "     default x   changes default runlevel to x"
	echo -e "     start       starts given runlevel script"
	echo -e "     stop        stops given runlevel script"
	echo -e "     reload      reloads given runlevel script"
	echo -e "     restart     restarts given runlevel script"
	echo -e "     status      prints status of given service"
	echo -e "\n"
}

case $1 in
	add)
		rc_service_add $2
		;;
	del)
		rc_service_del $2
		;;
	show)
		# show all
		if [[ -z $2 ]]
		then
			echo "Currently configured Services:"
			for i in ${RC_INIT_BASE}/*
			do
				x=$(basename ${i})
				if check_not_excluded ${x}
				then
					rc_service_show ${x}
				fi
			done
		else
			echo "Currently configured Services:"
			rc_service_show $2
		fi
		;;
	start|stop|reload|restart|status)
		rc_service_control $1 $2
		;;
	default)
		chg_initdefault $2
		;;
	*)
		usage
		;;
esac
1	niro	2	#!/bin/bash
2	niro	932	# $Id$
3	niro	2
4	niro	223	RC_INIT_BASE=${MROOT}/etc/init.d
5	niro	2034	RC_EXCLUDE="rc functions template splash-functions udev mdev README"
6	niro	2
7	niro	2034	VERSION=0.5
8	niro	2
9	niro	355	get_run_levels()
10			{
11	niro	2	local SCRIPT
12			local ALL_LEVELS
13	niro	104
14	niro	2	SCRIPT=${RC_INIT_BASE}/$1
15			ALL_LEVELS=$(grep -i "#%rlevels:" ${SCRIPT} \| sed -e 's/#%rlevels://g')
16	niro	104
17	niro	2	echo ${ALL_LEVELS}
18	niro	104
19	niro	2	return 0
20			}
21
22
23	niro	355	get_needs()
24			{
25	niro	2	local SCRIPT
26			local ALL_LEVELS
27	niro	104
28	niro	2	SCRIPT=${RC_INIT_BASE}/$1
29			ALL_LEVELS=$(grep -i "#%needs:" ${SCRIPT} \| sed -e 's/#%needs://g')
30	niro	104
31	niro	2	echo ${ALL_LEVELS}
32	niro	104
33	niro	2	return 0
34			}
35
36	niro	355	get_before()
37			{
38	niro	2	local SCRIPT
39			local ALL_LEVELS
40	niro	104
41	niro	2	SCRIPT=${RC_INIT_BASE}/$1
42			ALL_LEVELS=$(grep -i "#%before:" ${SCRIPT} \| sed -e 's/#%before://g')
43	niro	104
44	niro	2	echo ${ALL_LEVELS}
45	niro	104
46	niro	2	return 0
47			}
48
49	niro	355	get_after()
50			{
51	niro	2	local SCRIPT
52			local ALL_LEVELS
53	niro	104
54	niro	2	SCRIPT=${RC_INIT_BASE}/$1
55			ALL_LEVELS=$(grep -i "#%after:" ${SCRIPT} \| sed -e 's/#%after://g')
56	niro	104
57	niro	2	echo ${ALL_LEVELS}
58	niro	104
59	niro	2	return 0
60			}
61
62	niro	355	get_start()
63			{
64	niro	2	local SCRIPT
65			local ALL_LEVELS
66	niro	104
67	niro	2	SCRIPT=${RC_INIT_BASE}/$1
68			ALL_LEVELS=$(grep -i "#%start:" ${SCRIPT} \| sed -e 's/#%start://g')
69	niro	104
70	niro	2	echo ${ALL_LEVELS}
71	niro	104
72	niro	2	return 0
73			}
74
75	niro	355	get_stop()
76			{
77	niro	2	local SCRIPT
78			local ALL_LEVELS
79	niro	104
80	niro	2	SCRIPT=${RC_INIT_BASE}/$1
81			ALL_LEVELS=$(grep -i "#%stop:" ${SCRIPT} \| sed -e 's/#%stop://g')
82	niro	104
83	niro	2	echo ${ALL_LEVELS}
84	niro	104
85	niro	2	return 0
86			}
87
88
89
90	niro	355	rc_service_add()
91			{
92	niro	2	RC_SERVICE=$1
93			RC_START=$(get_start ${RC_SERVICE})
94			RC_STOP=$(get_stop ${RC_SERVICE})
95
96			echo "Adding ${RC_SERVICE} to:"
97			for i in $(get_run_levels ${RC_SERVICE})
98			do
99			case ${i} in
100	niro	104	# start
101	niro	2	?:s)
102	niro	355	[[ ${i} = 7:s ]] && i="sysinit:s"
103	niro	2	echo -e "\t\t[rc${i/:s/}.d -> S${RC_START}]"
104			ln -snf ../init.d/${RC_SERVICE} \
105	niro	223	${MROOT}/etc/rc.d/rc${i/:s/}.d/S${RC_START}${RC_SERVICE}
106	niro	2	;;
107	niro	104	# stop
108	niro	2	?:k)
109	niro	355	[[ ${i} = 7:k ]] && i="sysinit:k"
110	niro	2	echo -e "\t\t[rc${i/:k/}.d -> K${RC_STOP}]"
111			ln -snf ../init.d/${RC_SERVICE} \
112	niro	223	${MROOT}/etc/rc.d/rc${i/:k/}.d/K${RC_STOP}${RC_SERVICE}
113	niro	2	;;
114			*)
115			echo "error"
116			exit 1
117			;;
118			esac
119			done
120			}
121
122	niro	355	rc_service_del()
123			{
124	niro	2	RC_SERVICE=$1
125	niro	104
126	niro	2	echo "Deleting ${RC_SERVICE} from all runlevels:"
127			for i in 0 1 2 3 4 5 6 sysinit
128			do
129			for z in 00 01 02 03 04 05 06 07 08 09 $(seq 10 99)
130			do
131	niro	223	if [ -L "${MROOT}/etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}" ]
132	niro	2	then
133			echo -e "\t\t[rc${i}.d <- S${z}]"
134	niro	223	rm ${MROOT}/etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}
135	niro	2	fi
136	niro	104
137	niro	223	if [ -L "${MROOT}/etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}" ]
138	niro	2	then
139			echo -e "\t\t[rc${i}.d <- K${z}]"
140	niro	223	rm ${MROOT}/etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}
141	niro	2	fi
142			done
143			done
144			}
145
146	niro	355	rc_service_show()
147			{
148	niro	2	RC_SERVICE=$1
149	niro	104
150	niro	2	local ALL_RUNLEVELS
151
152	niro	104	# read'em (single)
153	niro	2	for i in $(seq 0 7)
154			do
155	niro	355	level=${i}
156			[[ ${i} = 7 ]] && level=sysinit
157	niro	2
158	niro	223	for script in ${MROOT}/etc/rc.d/rc${level}.d/*
159	niro	2	do
160			x="$(basename ${script})"
161	niro	355	[[ ${x/???/} = ${RC_SERVICE} ]] &&
162	niro	2	ALL_RUNLEVELS[${i}]=${x/${RC_SERVICE}/}
163			done
164			done
165	niro	104
166	niro	223	# show them (single)
167	niro	2	echo -n "${RC_SERVICE}: "
168			for i in $(seq 0 7)
169			do
170	niro	355	[[ ! -z ${ALL_RUNLEVELS[${i}]} ]] &&
171	niro	2	echo -n "[${i}:${ALL_RUNLEVELS[${i}]}] "
172			done
173			echo
174			}
175
176	niro	355	check_not_excluded()
177			{
178	niro	2	local SCRIPT
179			SCRIPT=$1
180	niro	104
181	niro	2	for i in ${RC_EXCLUDE}
182			do
183	niro	355	[[ ${SCRIPT} = ${i} ]] && return 1
184	niro	2	done
185	niro	104
186	niro	2	return 0
187			}
188
189
190	niro	355	chg_initdefault()
191			{
192	niro	2	local newinitdef
193			declare -i newinitdef="$1"
194
195	niro	355	if [[ -z ${newinitdef} ]]
196	niro	2	then
197			echo "You must give an initlevel."
198			exit 1
199			fi
200
201	niro	355	if [ ${newinitdef} -le 0 -a ${newinitdef} -ge 6 ]
202	niro	2	then
203			echo "You can only choose initlevels between 1-5."
204			exit 1
205			fi
206
207	niro	355	current=$(cat ${MROOT}/etc/inittab \| grep initdefault)
208	niro	2
209	niro	223	cp ${MROOT}/etc/inittab ${MROOT}/etc/inittab-orig
210	niro	2	sed -e "s/${current}/id:${newinitdef}:initdefault:/g" \
211	niro	355	${MROOT}/etc/inittab-orig > ${MROOT}/etc/inittab
212			if [[ $? = 0 ]]
213	niro	2	then
214	niro	223	rm -f ${MROOT}/etc/inittab-orig
215	niro	2	echo "Changed default initlevel to ${newinitdef} successfully."
216			exit 0
217			else
218			echo "Error: original inittab was saved to /etc/inittab-orig"
219			exit 1
220			fi
221			}
222
223	niro	2034	rc_service_control()
224			{
225			local cmd="$1"
226			local svc="$2"
227
228			case ${cmd} in
229			start\|stop\|restart\|reload\|status) ;;
230			*) echo "unknown operation"; exit 1 ;;
231			esac
232
233			if [ ! -e ${RC_INIT_BASE}/${svc} ]
234			then
235			echo "Service '${RC_INIT_BASE}/${svc}' does not exist."
236			exit 1
237			fi
238
239			if [[ -n ${MROOT} ]]
240			then
241			echo "\${MROOT} is set, not starting service $2"
242			else
243			if [ -x ${RC_INIT_BASE}/${svc} ]
244			then
245			${RC_INIT_BASE}/${svc} ${cmd}
246			else
247			echo "Service '${RC_INIT_BASE}/${svc}' is not executable."
248			exit 1
249			fi
250			fi
251			}
252
253
254	niro	355	usage()
255			{
256	niro	2	echo "Magellan RC Configurator v${VERSION} -- Niels Rogalla (niro@magellan-linux.de)"
257			echo -e "\nUsage: $(basename $0) [Option] [File] ..."
258			echo -e " add adds script to runlevel"
259			echo -e " del deletes script from runlevel"
260			echo -e " show shows current runlevel settings"
261			echo -e " default x changes default runlevel to x"
262	niro	2034	echo -e " start starts given runlevel script"
263			echo -e " stop stops given runlevel script"
264			echo -e " reload reloads given runlevel script"
265			echo -e " restart restarts given runlevel script"
266			echo -e " status prints status of given service"
267	niro	2	echo -e "\n"
268			}
269
270			case $1 in
271			add)
272			rc_service_add $2
273			;;
274			del)
275			rc_service_del $2
276			;;
277			show)
278	niro	104	# show all
279	niro	355	if [[ -z $2 ]]
280	niro	2	then
281			echo "Currently configured Services:"
282			for i in ${RC_INIT_BASE}/*
283			do
284			x=$(basename ${i})
285			if check_not_excluded ${x}
286			then
287			rc_service_show ${x}
288			fi
289			done
290			else
291			echo "Currently configured Services:"
292			rc_service_show $2
293			fi
294			;;
295	niro	2034	start\|stop\|reload\|restart\|status)
296			rc_service_control $1 $2
297			;;
298	niro	2	default)
299			chg_initdefault $2
300			;;
301			*)
302			usage
303			;;
304			esac