[mirror_frr.git] / tools / frr.in

#!/bin/bash
#
### BEGIN INIT INFO
# Provides: frr
# Required-Start: $local_fs $network $remote_fs $syslog
# Required-Stop: $local_fs $network $remote_fs $syslog
# Default-Start:  2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop the Frr routing suite
# Description: Frr is a routing suite for IP routing protocols like
#              BGP, OSPF, RIP and others. This script contols the main
#              daemon "frr" as well as the individual protocol daemons.
### END INIT INFO
#

PATH=/bin:/usr/bin:/sbin:/usr/sbin
D_PATH="@CFG_SBIN@" # /usr/lib/frr
C_PATH="@CFG_SYSCONF@" # /etc/frr
V_PATH="@CFG_STATE@" # /var/run/frr
VTYSH="@vtysh_bin@" # /usr/bin/vtysh
FRR_USER="@enable_user@" # frr
FRR_GROUP="@enable_group@" # frr
FRR_VTY_GROUP="@enable_vty_group@" # frrvty
FRR_CONFIG_MODE="@enable_configfile_mask@" # 0600
FRR_DEFAULT_PROFILE="@DFLT_NAME@" # traditional / datacenter

# Local Daemon selection may be done by using /etc/frr/daemons.
# See /usr/share/doc/frr/README.Debian.gz for further information.
# Keep zebra first and do not list watchfrr!
DAEMONS="zebra bgpd ripd ripngd ospfd ospf6d isisd babeld pimd ldpd nhrpd eigrpd sharpd pbrd staticd bfdd fabricd vrrpd pathd"
MAX_INSTANCES=5
RELOAD_SCRIPT="$D_PATH/frr-reload.py"

if [ -e /lib/lsb/init-functions ]; then
	. /lib/lsb/init-functions
fi

if [ -f $D_PATH/ssd ]; then
	SSD=$D_PATH/ssd
else
	SSD=`which start-stop-daemon`
fi

# Print the name of the pidfile.
pidfile()
{
	echo "$V_PATH/$1.pid"
}

# Print the name of the vtysh.
vtyfile()
{
	echo "$V_PATH/$1.vty"
}

chownfrr()
{
	test -n "$FRR_USER" && chown "$FRR_USER" "$1"
	test -n "$FRR_GROUP" && chgrp "$FRR_GROUP" "$1"
	test -n "$FRR_CONFIG_MODE" && chmod "$FRR_CONFIG_MODE" "$1"
}

# Check if daemon is started by using the pidfile.
started()
{
	[ ! -e `pidfile $1` ] && return 3
	if [ -n "$2" ] && [ "$2" == "log" ]; then
		status_of_proc -p `pidfile $1` $1 $1 && return 0 || return $?
	else
		kill -0 `cat \`pidfile $1\`` 2> /dev/null || return 1
		return 0
	fi
}

# Loads the config via vtysh -b if configured to do so.
vtysh_b ()
{
	# Rember, that all variables have been incremented by 1 in convert_daemon_prios()
	if [ "$vtysh_enable" = 2 -a -f $C_PATH/frr.conf ]; then
		$VTYSH -b
	fi
}

# Check if the daemon is activated and if its executable and config files
# are in place.
# params:       daemon name
# returns:      0=ok, 1=error
check_daemon()
{
	if [ $1 != "watchfrr" -a $1 != "vtysh_enable" ]; then
		# check for daemon binary
		if [ ! -x "$D_PATH/$1" ]; then return 1; fi
	fi

	# If the integrated config file is used the others are not checked.
	if [ -r "$C_PATH/frr.conf" ]; then
		return 0
	fi

	# vtysh_enable has no config file nor binary so skip check.
	# (Not sure why vtysh_enable is in this list but does not hurt)
	if [ $1 != "watchfrr" -a $1 != "vtysh_enable" ]; then
		# check for config file
		if [ -n "$2" ]; then
			if [ ! -r "$C_PATH/$1-$2.conf" ]; then
				touch "$C_PATH/$1-$2.conf"
				chownfrr "$C_PATH/$1-$2.conf"
			fi
		elif [ ! -r "$C_PATH/$1.conf" ]; then
			touch "$C_PATH/$1.conf"
			chownfrr "$C_PATH/$1.conf"
		fi
	fi
	return 0
}

# Starts the server if it's not alrady running according to the pid file.
# The Frr daemons creates the pidfile when starting.
start()
{
	local dmn inst
	dmn="$1"
	inst="$2"

	ulimit -n $MAX_FDS > /dev/null 2> /dev/null
	if [ "$dmn" = "watchfrr" ]; then

		# We may need to restart watchfrr if new daemons are added and/or
		# removed
		if started "$dmn" ; then
			stop watchfrr
		else
			# Echo only once. watchfrr is printed in the stop above
			echo -n " $dmn"
		fi

		eval "set - $watchfrr_options"
		${SSD} \
			--start \
			--pidfile=`pidfile $dmn` \
			--exec "$D_PATH/$dmn" \
			-- \
			"$@"

	elif [ -n "$inst" ]; then
		echo -n " $dmn-$inst"
		if ! check_daemon $dmn $inst ; then
			echo -n " (binary does not exist)"
			return;
		fi

		${SSD} \
			--start \
			--pidfile=`pidfile $dmn-$inst` \
			--exec "$D_PATH/$dmn" \
			-- \
			`eval echo "$""$dmn""_options"` $frr_global_options -n "$inst"
	else
		if ! check_daemon $dmn; then
			echo -n " (binary does not exist)"
			return;
		fi

		if [ "$valgrind_enable" = "yes" ]; then
			${SSD} \
				--start \
				--pidfile=`pidfile $dmn` \
				--exec "$valgrind" \
				-- --trace-children=no --leak-check=full --log-file=/var/log/frr/$dmn-valgrind.log $D_PATH/$dmn \
				`eval echo "$""$dmn""_options"` $frr_global_options
		else
			${SSD} \
				--start \
				--pidfile=`pidfile $dmn` \
				--exec "$D_PATH/$dmn" \
				-- \
				`eval echo "$""$dmn""_options"` $frr_global_options
		fi
	fi

	# Start the staticd automatically
	if [ "$dmn" = "zebra" ]; then
		echo -n "starting staticd since zebra is running"
		if ! check_daemon staticd ; then
			echo -n " (binary does not exist)"
			return;
		fi

		${SSD} \
			--start \
			--pidfile=`pidfile staticd` \
			--exec "$D_PATH/staticd" \
			-- \
			`eval echo "$"staticd"_options"` $frr_global_options
	fi
}

# Stop the daemon given in the parameter, printing its name to the terminal.
stop()
{
	local inst

	if [ -n "$2" ]; then
		inst="$1-$2"
	else
		inst="$1"
	fi

	if ! started "$inst" ; then
		echo -n " ($inst)"
		return 0
	else
		PIDFILE=`pidfile $inst`
		PID=`cat $PIDFILE 2>/dev/null`
		kill -2 $PID 2>/dev/null
		#
		#       Now we have to wait until $DAEMON has _really_ stopped.
		#
		if test -n "$PID" && kill -0 $PID 2>/dev/null; then
			cnt=0
			while kill -0 $PID 2>/dev/null; do
				cnt=`expr $cnt + 1`
				if [ $cnt -gt 60 ]; then
					# Waited 120 secs now, fail.
					echo -n "Failed.. "
					break
				fi
				sleep 2
			done
		fi
		rm -f `pidfile $inst`
		rm -f `vtyfile $inst`

		if [ "$1" = "zebra" ]; then
			echo -n "Stopping staticd since zebra is running"
			stop staticd
		fi
	fi
}

# Converts values from /etc/frr/daemons to all-numeric values.
convert_daemon_prios()
{
	for name in $DAEMONS zebra vtysh_enable watchfrr_enable; do
		# First, assign the value set by the user to $value
		eval value=\${${name}:0:3}

		# Daemon not activated or entry missing?
		if [ "$value" = "no" -o "$value" = "" ]; then value=0; fi

		# These strings parsed for backwards compatibility.
		if [ "$value" = "yes"  -o  "$value" = "true" ]; then
			value=1;
		fi

		# Zebra is threatened special. It must be between 0=off and the first
		# user assigned value "1" so we increase all other enabled daemons' values.
		if [ "$name" != "zebra" -a "$value" -gt 0 ]; then value=`expr "$value" + 1`; fi

		# If e.g. name is zebra then we set "zebra=yes".
		eval $name=$value
	done
}

# Starts watchfrr for all wanted daemons.
start_watchfrr()
{
	local daemon_name
	local daemon_prio
	local found_one
	local daemon_inst

	# Start the monitor daemon only if desired.
	if [ 0 -eq "$watchfrr_enable" ]; then
		return
	fi

	# Check variable type
	if declare -p watchfrr_options | grep -q '^declare \-a'; then
		# old array support
		watchfrr_options="${watchfrr_options[@]}"
	fi

	# Which daemons have been started?
	found_one=0
	for daemon_name in $DAEMONS; do
		eval daemon_prio=\$$daemon_name
		if [ "$daemon_prio" -gt 0 ]; then
			eval "daemon_inst=\${${daemon_name}_instances//,/ }"
			if [ -n "$daemon_inst" ]; then
				for inst in ${daemon_inst}; do
					eval "inst_disable=\${${daemon_name}_${inst}}"
					if [ -z ${inst_disable} ] || [ ${inst_disable} != 0 ]; then
						if check_daemon $daemon_name $inst; then
							watchfrr_options="$watchfrr_options ${daemon_name}-${inst}"
						fi
					fi
				done
			else
				if check_daemon $daemon_name; then
					watchfrr_options="$watchfrr_options $daemon_name"
				fi
			fi
			found_one=1
		fi
	done

	# Start if at least one daemon is activated.
	if [ $found_one -eq 1 ]; then
		start watchfrr
		echo "."
	fi
}

# Stopps watchfrr.
stop_watchfrr()
{
	echo -n "Stopping Frr monitor daemon:"
	stop watchfrr
	echo "."
}

# Stops all daemons that have a lower level of priority than the given.
# (technically if daemon_prio >= wanted_prio)
stop_prio()
{
	local wanted_prio
	local daemon_prio
	local daemon_list
	local daemon_inst
	local inst

	if [ -n "$2" ] && [[ "$2" =~ (.*)-(.*) ]]; then
		daemon=${BASH_REMATCH[1]}
		inst=${BASH_REMATCH[2]}
	else
		daemon="$2"
	fi

	wanted_prio=$1
	daemon_list=${daemon:-$DAEMONS}

	echo -n "Stopping Frr daemons (prio:$wanted_prio):"

	for prio_i in `seq 10 -1 $wanted_prio`; do
		for daemon_name in $daemon_list; do
			eval daemon_prio=\${${daemon_name}:0:3}
			daemon_inst=""
			if [ $daemon_prio -eq $prio_i ]; then
				eval "daemon_inst=\${${daemon_name}_instances//,/ }"
				if [ -n "$daemon_inst" ]; then
					for i in ${daemon_inst}; do
						if [ -n "$inst" ] && [ "$i" == "$inst" ]; then
							stop "$daemon_name" "$inst"
						elif [ x"$inst"  == x ]; then
							stop "$daemon_name" "$i"
						fi
					done
				else
					stop "$daemon_name"
				fi
			fi
		done
	done

	echo "."
	if [ -z "$inst" ]; then
		# Now stop other daemons that're prowling, coz the daemons file changed
		echo -n "Stopping other frr daemons"
		if [ -n "$daemon" ]; then
			eval "file_list_suffix="$V_PATH"/"$daemon*""
		else
			eval "file_list_suffix="$V_PATH/*""
		fi
		for pidfile in $file_list_suffix.pid; do
			PID=`cat $pidfile 2>/dev/null`
			${SSD} --stop --quiet --oknodo --pidfile "$pidfile"
			echo -n "."
			rm -rf "$pidfile"
		done
		echo "."

		echo -n "Removing remaining .vty files"
		for vtyfile in $file_list_suffix.vty; do
			rm -rf "$vtyfile"
		done
		echo "."
	fi
}

# Starts all daemons that have a higher level of priority than the given.
# (technically if daemon_prio <= wanted_prio)
start_prio()
{
	local wanted_prio
	local daemon_prio
	local daemon_list
	local daemon_name
	local daemon_inst
	local inst

	if [ -n "$2" ] && [[ "$2" =~ (.*)-(.*) ]]; then
		daemon=${BASH_REMATCH[1]}
		inst=${BASH_REMATCH[2]}
	else
		daemon="$2"
	fi

	wanted_prio=$1
	daemon_list=${daemon:-$DAEMONS}

	for prio_i in `seq 1 $wanted_prio`; do
		for daemon_name in $daemon_list; do
			eval daemon_prio=\$${daemon_name}
			daemon_inst=""
			if [ $daemon_prio -eq $prio_i ]; then
				eval "daemon_inst=\${${daemon_name}_instances//,/ }"
				if [ -n "$daemon_inst" ]; then
					if [ `echo "$daemon_inst" | wc -w` -gt ${MAX_INSTANCES} ]; then
						echo "Max instances supported is ${MAX_INSTANCES}. Aborting"
						exit 1
					fi
					# Check if we're starting again by switching from single instance
					# to MI version
					if started "$daemon_name"; then
						PIDFILE=`pidfile $daemon_name`
						${SSD} \
							--stop --quiet --oknodo \
							--pidfile "$PIDFILE" \
							--exec "$D_PATH/$daemon_name"

						rm -f `pidfile $1`
						rm -f `vtyfile $1`
					fi

					for i in ${daemon_inst}; do
						if [ -n "$inst" ] && [ "$i" == "$inst" ]; then
							start "$daemon_name" "$inst"
						elif [ x"$inst" == x ]; then
							start "$daemon_name" "$i"
						fi
					done
				else
					# Check if we're starting again by switching from
					# single instance to MI version
					eval "file_list_suffix="$V_PATH"/"$daemon_name-*""
					for pidfile in $file_list_suffix.pid; do
						${SSD} --stop --quiet --oknodo --pidfile "$pidfile"
						rm -rf "$pidfile"
					done
					for vtyfile in $file_list_suffix.vty; do
						rm -rf "$vtyfile"
					done

					start "$daemon_name"
				fi
			fi
		done
	done
}

check_status()
{
	local daemon_name
	local daemon_prio
	local daemon_inst
	local failed_status=0

	if [ -n "$1" ] && [[ "$1" =~ (.*)-(.*) ]]; then
		daemon=${BASH_REMATCH[1]}
		inst=${BASH_REMATCH[2]}
	else
		daemon="$1"
	fi

	daemon_list=${daemon:-$DAEMONS}

	# Which daemons have been started?
	for daemon_name in $daemon_list; do
		eval daemon_prio=\$$daemon_name
		if [ "$daemon_prio" -gt 0 ]; then
			eval "daemon_inst=\${${daemon_name}_instances//,/ }"
			if [ -n "$daemon_inst" ]; then
				for i in ${daemon_inst}; do
					if [ -n "$inst" -a "$inst" = "$i" ]; then
						started "$1" "log" || failed_status=$?
					elif [ -z "$inst" ]; then
						started "$daemon_name-$i" "log" || failed_status=$?
					fi
				done
			else
				started "$daemon_name" "log" || failed_status=$?
			fi
		fi
	done

	# All daemons that need to have been started are up and running
	return $failed_status
}

#########################################################
#               Main program                            #
#########################################################

# Config broken but script must exit silently.
[ ! -r "$C_PATH/daemons" ] && exit 0

# Load configuration
. "$C_PATH/daemons"
if [ -e "$C_PATH/daemons.conf" ]; then
	. "$C_PATH/daemons.conf"
fi

# Read configuration variable file if it is present
[ -r /etc/default/frr ] && . /etc/default/frr

if test -z "$frr_profile"; then
	# try to autodetect config profile
	if test -d /etc/cumulus; then
		frr_profile=datacenter
	# elif test ...; then
	# -- add your distro/system here
	elif test -n "$FRR_DEFAULT_PROFILE"; then
		frr_profile="$FRR_DEFAULT_PROFILE"
	fi
fi
test -n "$frr_profile" && frr_global_options="$frr_global_options -F $frr_profile"

MAX_INSTANCES=${MAX_INSTANCES:=5}

# Set priority of un-startable daemons to 'no' and substitute 'yes' to '0'
convert_daemon_prios

if [ ! -d $V_PATH ]; then
	echo "Creating $V_PATH"
	mkdir -p $V_PATH
	chownfrr $V_PATH
	chmod 755 /$V_PATH
fi

if [ -n "$3" ] && [ "$3" != "all" ]; then
	dmn="$2"-"$3"
elif [ -n "$2" ] && [ "$2" != "all" ]; then
	dmn="$2"
fi

case "$1" in
	start)
		# Try to load this necessary (at least for 2.6) module.
		if [ -d /lib/modules/`uname -r` ] ; then
			echo "Loading capability module if not yet done."
			set +e; LC_ALL=C modprobe -a capability 2>&1 | egrep -v "(not found|Can't locate)"; set -e
		fi

		# Start all daemons
		cd $C_PATH/
		if [ "$2" != "watchfrr" ]; then
			start_prio 10 $dmn
		fi
		start_watchfrr
		vtysh_b
		;;

	1|2|3|4|5|6|7|8|9|10)
		# Stop/start daemons for the appropriate priority level
		stop_prio $1
		start_prio $1
		vtysh_b
		;;

	stop|0)
		# Stop all daemons at level '0' or 'stop'
		stop_watchfrr
		if [ "$dmn" != "watchfrr" ]; then
			[ -n "${dmn}" ] && eval "${dmn/-/_}=0"
			stop_prio 0 $dmn
		fi

		if [ -n "$dmn" -a "$dmn" != "zebra" ]; then
			[ -n "$dmn" ] && eval "${dmn/-/_}=0"
			start_watchfrr
		fi
		;;

	reload)
		# Just apply the commands that have changed, no restart necessary
		if [ ! -x "$RELOAD_SCRIPT" ]; then
			echo "Please install frr-pythontools package. Required for reload"
			exit 0
		fi

		NEW_CONFIG_FILE="${2:-$C_PATH/frr.conf}"
		[ ! -r $NEW_CONFIG_FILE ] && echo "Unable to read new configuration file $NEW_CONFIG_FILE" && exit 1
		echo "Applying only incremental changes to running configuration from frr.conf"
		"$RELOAD_SCRIPT" --reload $C_PATH/frr.conf
		exit $?
		;;

	status)
		check_status $dmn
		exit $?
		;;

	restart|force-reload)
		$0 stop $dmn
		sleep 1
		$0 start $dmn
		;;

	*)
		echo "Usage: /etc/init.d/frr {start|stop|status|reload|restart|force-reload|<priority>} [daemon]"
		echo "       E.g. '/etc/init.d/frr 5' would start all daemons with a prio 1-5."
		echo "       reload applies only modifications from the running config to all daemons."
		echo "       reload neither restarts starts any daemon nor starts any new ones."
		echo "       Read /usr/share/doc/frr/README.Debian for details."
		exit 1
		;;
esac

echo "Exiting from the script"
exit 0
Commit	Line	Data
df44cf00	1	#!/bin/bash
651415bd DS	2	#
651415bd DS	3	### BEGIN INIT INFO
d8e4c438	4	# Provides: frr
651415bd DS	5	# Required-Start: $local_fs $network $remote_fs $syslog
	6	# Required-Stop: $local_fs $network $remote_fs $syslog
	7	# Default-Start: 2 3 4 5
	8	# Default-Stop: 0 1 6
d8e4c438 DS	9	# Short-Description: start and stop the Frr routing suite
d8e4c438 DS	10	# Description: Frr is a routing suite for IP routing protocols like
651415bd	11	# BGP, OSPF, RIP and others. This script contols the main
d8e4c438	12	# daemon "frr" as well as the individual protocol daemons.
651415bd DS	13	### END INIT INFO
651415bd DS	14	#
df44cf00	15
651415bd	16	PATH=/bin:/usr/bin:/sbin:/usr/sbin
40da52d8 DL	17	D_PATH="@CFG_SBIN@" # /usr/lib/frr
	18	C_PATH="@CFG_SYSCONF@" # /etc/frr
	19	V_PATH="@CFG_STATE@" # /var/run/frr
	20	VTYSH="@vtysh_bin@" # /usr/bin/vtysh
	21	FRR_USER="@enable_user@" # frr
	22	FRR_GROUP="@enable_group@" # frr
	23	FRR_VTY_GROUP="@enable_vty_group@" # frrvty
5c906377	24	FRR_CONFIG_MODE="@enable_configfile_mask@" # 0600
68495906	25	FRR_DEFAULT_PROFILE="@DFLT_NAME@" # traditional / datacenter
651415bd	26
d8e4c438 DS	27	# Local Daemon selection may be done by using /etc/frr/daemons.
d8e4c438 DS	28	# See /usr/share/doc/frr/README.Debian.gz for further information.
9473e340	29	# Keep zebra first and do not list watchfrr!
4d7b695d	30	DAEMONS="zebra bgpd ripd ripngd ospfd ospf6d isisd babeld pimd ldpd nhrpd eigrpd sharpd pbrd staticd bfdd fabricd vrrpd pathd"
651415bd	31	MAX_INSTANCES=5
40da52d8	32	RELOAD_SCRIPT="$D_PATH/frr-reload.py"
651415bd	33
915c81b3	34	if [ -e /lib/lsb/init-functions ]; then
25e87a8f	35	. /lib/lsb/init-functions
915c81b3	36	fi
651415bd	37
40da52d8	38	if [ -f $D_PATH/ssd ]; then
25e87a8f	39	SSD=$D_PATH/ssd
d84fd25b	40	else
25e87a8f	41	SSD=`which start-stop-daemon`
d84fd25b DS	42	fi
d84fd25b DS	43
651415bd DS	44	# Print the name of the pidfile.
	45	pidfile()
	46	{
25e87a8f	47	echo "$V_PATH/$1.pid"
651415bd DS	48	}
	49
	50	# Print the name of the vtysh.
	51	vtyfile()
	52	{
25e87a8f	53	echo "$V_PATH/$1.vty"
651415bd DS	54	}
651415bd DS	55
40da52d8 DL	56	chownfrr()
40da52d8 DL	57	{
25e87a8f QY	58	test -n "$FRR_USER" && chown "$FRR_USER" "$1"
25e87a8f QY	59	test -n "$FRR_GROUP" && chgrp "$FRR_GROUP" "$1"
5c906377	60	test -n "$FRR_CONFIG_MODE" && chmod "$FRR_CONFIG_MODE" "$1"
40da52d8 DL	61	}
40da52d8 DL	62
651415bd DS	63	# Check if daemon is started by using the pidfile.
	64	started()
	65	{
25e87a8f QY	66	[ ! -e `pidfile $1` ] && return 3
	67	if [ -n "$2" ] && [ "$2" == "log" ]; then
	68	status_of_proc -p `pidfile $1` $1 $1 && return 0 \|\| return $?
	69	else
	70	kill -0 `cat \`pidfile $1\`` 2> /dev/null \|\| return 1
	71	return 0
	72	fi
651415bd DS	73	}
	74
	75	# Loads the config via vtysh -b if configured to do so.
	76	vtysh_b ()
	77	{
25e87a8f QY	78	# Rember, that all variables have been incremented by 1 in convert_daemon_prios()
25e87a8f QY	79	if [ "$vtysh_enable" = 2 -a -f $C_PATH/frr.conf ]; then
e220f954	80	$VTYSH -b
25e87a8f	81	fi
651415bd DS	82	}
	83
	84	# Check if the daemon is activated and if its executable and config files
	85	# are in place.
	86	# params: daemon name
	87	# returns: 0=ok, 1=error
	88	check_daemon()
	89	{
25e87a8f QY	90	if [ $1 != "watchfrr" -a $1 != "vtysh_enable" ]; then
	91	# check for daemon binary
	92	if [ ! -x "$D_PATH/$1" ]; then return 1; fi
	93	fi
	94
	95	# If the integrated config file is used the others are not checked.
	96	if [ -r "$C_PATH/frr.conf" ]; then
	97	return 0
	98	fi
	99
	100	# vtysh_enable has no config file nor binary so skip check.
	101	# (Not sure why vtysh_enable is in this list but does not hurt)
	102	if [ $1 != "watchfrr" -a $1 != "vtysh_enable" ]; then
	103	# check for config file
	104	if [ -n "$2" ]; then
	105	if [ ! -r "$C_PATH/$1-$2.conf" ]; then
	106	touch "$C_PATH/$1-$2.conf"
	107	chownfrr "$C_PATH/$1-$2.conf"
	108	fi
	109	elif [ ! -r "$C_PATH/$1.conf" ]; then
	110	touch "$C_PATH/$1.conf"
	111	chownfrr "$C_PATH/$1.conf"
	112	fi
	113	fi
	114	return 0
651415bd DS	115	}
	116
	117	# Starts the server if it's not alrady running according to the pid file.
d8e4c438	118	# The Frr daemons creates the pidfile when starting.
651415bd	119	start()
df44cf00	120	{
10ea85ee DL	121	local dmn inst
	122	dmn="$1"
	123	inst="$2"
	124
	125	ulimit -n $MAX_FDS > /dev/null 2> /dev/null
	126	if [ "$dmn" = "watchfrr" ]; then
25e87a8f QY	127
	128	# We may need to restart watchfrr if new daemons are added and/or
	129	# removed
10ea85ee	130	if started "$dmn" ; then
25e87a8f QY	131	stop watchfrr
	132	else
	133	# Echo only once. watchfrr is printed in the stop above
10ea85ee	134	echo -n " $dmn"
25e87a8f QY	135	fi
25e87a8f QY	136
10ea85ee	137	eval "set - $watchfrr_options"
25e87a8f QY	138	${SSD} \
25e87a8f QY	139	--start \
10ea85ee DL	140	--pidfile=`pidfile $dmn` \
10ea85ee DL	141	--exec "$D_PATH/$dmn" \
25e87a8f	142	-- \
10ea85ee	143	"$@"
25e87a8f	144
10ea85ee DL	145	elif [ -n "$inst" ]; then
	146	echo -n " $dmn-$inst"
	147	if ! check_daemon $dmn $inst ; then
25e87a8f QY	148	echo -n " (binary does not exist)"
	149	return;
	150	fi
	151
	152	${SSD} \
	153	--start \
10ea85ee DL	154	--pidfile=`pidfile $dmn-$inst` \
10ea85ee DL	155	--exec "$D_PATH/$dmn" \
25e87a8f	156	-- \
68495906	157	`eval echo "$""$dmn""_options"` $frr_global_options -n "$inst"
25e87a8f	158	else
10ea85ee	159	if ! check_daemon $dmn; then
25e87a8f QY	160	echo -n " (binary does not exist)"
	161	return;
	162	fi
	163
	164	if [ "$valgrind_enable" = "yes" ]; then
	165	${SSD} \
	166	--start \
10ea85ee	167	--pidfile=`pidfile $dmn` \
25e87a8f	168	--exec "$valgrind" \
10ea85ee	169	-- --trace-children=no --leak-check=full --log-file=/var/log/frr/$dmn-valgrind.log $D_PATH/$dmn \
68495906	170	`eval echo "$""$dmn""_options"` $frr_global_options
25e87a8f QY	171	else
	172	${SSD} \
	173	--start \
10ea85ee DL	174	--pidfile=`pidfile $dmn` \
10ea85ee DL	175	--exec "$D_PATH/$dmn" \
25e87a8f	176	-- \
68495906	177	`eval echo "$""$dmn""_options"` $frr_global_options
25e87a8f QY	178	fi
25e87a8f QY	179	fi
7ac1de8e DS	180
7ac1de8e DS	181	# Start the staticd automatically
10ea85ee	182	if [ "$dmn" = "zebra" ]; then
25e87a8f QY	183	echo -n "starting staticd since zebra is running"
	184	if ! check_daemon staticd ; then
	185	echo -n " (binary does not exist)"
	186	return;
	187	fi
	188
	189	${SSD} \
	190	--start \
	191	--pidfile=`pidfile staticd` \
	192	--exec "$D_PATH/staticd" \
	193	-- \
68495906	194	`eval echo "$"staticd"_options"` $frr_global_options
7ac1de8e	195	fi
651415bd DS	196	}
	197
	198	# Stop the daemon given in the parameter, printing its name to the terminal.
	199	stop()
	200	{
25e87a8f	201	local inst
7ac1de8e	202
25e87a8f QY	203	if [ -n "$2" ]; then
	204	inst="$1-$2"
	205	else
	206	inst="$1"
	207	fi
	208
	209	if ! started "$inst" ; then
	210	echo -n " ($inst)"
	211	return 0
	212	else
	213	PIDFILE=`pidfile $inst`
	214	PID=`cat $PIDFILE 2>/dev/null`
	215	kill -2 $PID 2>/dev/null
	216	#
	217	# Now we have to wait until $DAEMON has _really_ stopped.
	218	#
	219	if test -n "$PID" && kill -0 $PID 2>/dev/null; then
25e87a8f QY	220	cnt=0
	221	while kill -0 $PID 2>/dev/null; do
	222	cnt=`expr $cnt + 1`
	223	if [ $cnt -gt 60 ]; then
	224	# Waited 120 secs now, fail.
	225	echo -n "Failed.. "
	226	break
	227	fi
	228	sleep 2
25e87a8f QY	229	done
25e87a8f QY	230	fi
25e87a8f QY	231	rm -f `pidfile $inst`
	232	rm -f `vtyfile $inst`
	233
	234	if [ "$1" = "zebra" ]; then
	235	echo -n "Stopping staticd since zebra is running"
	236	stop staticd
	237	fi
7ac1de8e	238	fi
df44cf00	239	}
df44cf00	240
d8e4c438	241	# Converts values from /etc/frr/daemons to all-numeric values.
651415bd	242	convert_daemon_prios()
df44cf00	243	{
25e87a8f QY	244	for name in $DAEMONS zebra vtysh_enable watchfrr_enable; do
	245	# First, assign the value set by the user to $value
	246	eval value=\${${name}:0:3}
651415bd	247
25e87a8f QY	248	# Daemon not activated or entry missing?
25e87a8f QY	249	if [ "$value" = "no" -o "$value" = "" ]; then value=0; fi
651415bd	250
25e87a8f QY	251	# These strings parsed for backwards compatibility.
	252	if [ "$value" = "yes" -o "$value" = "true" ]; then
	253	value=1;
	254	fi
651415bd	255
25e87a8f QY	256	# Zebra is threatened special. It must be between 0=off and the first
	257	# user assigned value "1" so we increase all other enabled daemons' values.
	258	if [ "$name" != "zebra" -a "$value" -gt 0 ]; then value=`expr "$value" + 1`; fi
651415bd	259
25e87a8f QY	260	# If e.g. name is zebra then we set "zebra=yes".
	261	eval $name=$value
	262	done
df44cf00	263	}
df44cf00	264
9473e340 DS	265	# Starts watchfrr for all wanted daemons.
9473e340 DS	266	start_watchfrr()
df44cf00	267	{
25e87a8f QY	268	local daemon_name
	269	local daemon_prio
	270	local found_one
	271	local daemon_inst
	272
	273	# Start the monitor daemon only if desired.
	274	if [ 0 -eq "$watchfrr_enable" ]; then
	275	return
	276	fi
	277
	278	# Check variable type
10ea85ee DL	279	if declare -p watchfrr_options \| grep -q '^declare \-a'; then
	280	# old array support
	281	watchfrr_options="${watchfrr_options[@]}"
25e87a8f QY	282	fi
	283
	284	# Which daemons have been started?
	285	found_one=0
	286	for daemon_name in $DAEMONS; do
	287	eval daemon_prio=\$$daemon_name
	288	if [ "$daemon_prio" -gt 0 ]; then
	289	eval "daemon_inst=\${${daemon_name}_instances//,/ }"
	290	if [ -n "$daemon_inst" ]; then
	291	for inst in ${daemon_inst}; do
	292	eval "inst_disable=\${${daemon_name}_${inst}}"
	293	if [ -z ${inst_disable} ] \|\| [ ${inst_disable} != 0 ]; then
	294	if check_daemon $daemon_name $inst; then
10ea85ee	295	watchfrr_options="$watchfrr_options ${daemon_name}-${inst}"
25e87a8f QY	296	fi
	297	fi
	298	done
	299	else
	300	if check_daemon $daemon_name; then
10ea85ee	301	watchfrr_options="$watchfrr_options $daemon_name"
25e87a8f QY	302	fi
	303	fi
	304	found_one=1
	305	fi
	306	done
	307
	308	# Start if at least one daemon is activated.
	309	if [ $found_one -eq 1 ]; then
25e87a8f QY	310	start watchfrr
	311	echo "."
	312	fi
df44cf00	313	}
df44cf00	314
9473e340 DS	315	# Stopps watchfrr.
9473e340 DS	316	stop_watchfrr()
df44cf00	317	{
25e87a8f QY	318	echo -n "Stopping Frr monitor daemon:"
	319	stop watchfrr
	320	echo "."
651415bd DS	321	}
	322
	323	# Stops all daemons that have a lower level of priority than the given.
	324	# (technically if daemon_prio >= wanted_prio)
	325	stop_prio()
	326	{
25e87a8f QY	327	local wanted_prio
	328	local daemon_prio
	329	local daemon_list
	330	local daemon_inst
	331	local inst
	332
	333	if [ -n "$2" ] && [[ "$2" =~ (.)-(.) ]]; then
	334	daemon=${BASH_REMATCH[1]}
	335	inst=${BASH_REMATCH[2]}
	336	else
	337	daemon="$2"
	338	fi
	339
	340	wanted_prio=$1
	341	daemon_list=${daemon:-$DAEMONS}
	342
	343	echo -n "Stopping Frr daemons (prio:$wanted_prio):"
	344
	345	for prio_i in `seq 10 -1 $wanted_prio`; do
	346	for daemon_name in $daemon_list; do
	347	eval daemon_prio=\${${daemon_name}:0:3}
	348	daemon_inst=""
	349	if [ $daemon_prio -eq $prio_i ]; then
	350	eval "daemon_inst=\${${daemon_name}_instances//,/ }"
	351	if [ -n "$daemon_inst" ]; then
	352	for i in ${daemon_inst}; do
	353	if [ -n "$inst" ] && [ "$i" == "$inst" ]; then
	354	stop "$daemon_name" "$inst"
	355	elif [ x"$inst" == x ]; then
	356	stop "$daemon_name" "$i"
	357	fi
	358	done
	359	else
	360	stop "$daemon_name"
	361	fi
	362	fi
	363	done
	364	done
	365
	366	echo "."
	367	if [ -z "$inst" ]; then
	368	# Now stop other daemons that're prowling, coz the daemons file changed
	369	echo -n "Stopping other frr daemons"
	370	if [ -n "$daemon" ]; then
	371	eval "file_list_suffix="$V_PATH"/"$daemon*""
	372	else
	373	eval "file_list_suffix="$V_PATH/*""
	374	fi
	375	for pidfile in $file_list_suffix.pid; do
	376	PID=`cat $pidfile 2>/dev/null`
	377	${SSD} --stop --quiet --oknodo --pidfile "$pidfile"
	378	echo -n "."
	379	rm -rf "$pidfile"
	380	done
	381	echo "."
	382
	383	echo -n "Removing remaining .vty files"
	384	for vtyfile in $file_list_suffix.vty; do
	385	rm -rf "$vtyfile"
	386	done
	387	echo "."
	388	fi
651415bd DS	389	}
	390
	391	# Starts all daemons that have a higher level of priority than the given.
	392	# (technically if daemon_prio <= wanted_prio)
	393	start_prio()
	394	{
25e87a8f QY	395	local wanted_prio
	396	local daemon_prio
	397	local daemon_list
	398	local daemon_name
	399	local daemon_inst
	400	local inst
	401
	402	if [ -n "$2" ] && [[ "$2" =~ (.)-(.) ]]; then
	403	daemon=${BASH_REMATCH[1]}
	404	inst=${BASH_REMATCH[2]}
	405	else
	406	daemon="$2"
	407	fi
	408
	409	wanted_prio=$1
	410	daemon_list=${daemon:-$DAEMONS}
	411
25e87a8f QY	412	for prio_i in `seq 1 $wanted_prio`; do
	413	for daemon_name in $daemon_list; do
	414	eval daemon_prio=\$${daemon_name}
	415	daemon_inst=""
	416	if [ $daemon_prio -eq $prio_i ]; then
	417	eval "daemon_inst=\${${daemon_name}_instances//,/ }"
	418	if [ -n "$daemon_inst" ]; then
	419	if [ `echo "$daemon_inst" \| wc -w` -gt ${MAX_INSTANCES} ]; then
	420	echo "Max instances supported is ${MAX_INSTANCES}. Aborting"
	421	exit 1
	422	fi
	423	# Check if we're starting again by switching from single instance
	424	# to MI version
	425	if started "$daemon_name"; then
	426	PIDFILE=`pidfile $daemon_name`
	427	${SSD} \
	428	--stop --quiet --oknodo \
	429	--pidfile "$PIDFILE" \
	430	--exec "$D_PATH/$daemon_name"
	431
	432	rm -f `pidfile $1`
	433	rm -f `vtyfile $1`
	434	fi
	435
	436	for i in ${daemon_inst}; do
	437	if [ -n "$inst" ] && [ "$i" == "$inst" ]; then
	438	start "$daemon_name" "$inst"
	439	elif [ x"$inst" == x ]; then
	440	start "$daemon_name" "$i"
	441	fi
	442	done
	443	else
	444	# Check if we're starting again by switching from
	445	# single instance to MI version
	446	eval "file_list_suffix="$V_PATH"/"$daemon_name-*""
	447	for pidfile in $file_list_suffix.pid; do
	448	${SSD} --stop --quiet --oknodo --pidfile "$pidfile"
25e87a8f QY	449	rm -rf "$pidfile"
	450	done
	451	for vtyfile in $file_list_suffix.vty; do
	452	rm -rf "$vtyfile"
	453	done
	454
	455	start "$daemon_name"
	456	fi
	457	fi
	458	done
	459	done
df44cf00	460	}
df44cf00	461
651415bd	462	check_status()
df44cf00	463	{
25e87a8f QY	464	local daemon_name
	465	local daemon_prio
	466	local daemon_inst
	467	local failed_status=0
	468
	469	if [ -n "$1" ] && [[ "$1" =~ (.)-(.) ]]; then
	470	daemon=${BASH_REMATCH[1]}
	471	inst=${BASH_REMATCH[2]}
	472	else
	473	daemon="$1"
	474	fi
	475
	476	daemon_list=${daemon:-$DAEMONS}
	477
	478	# Which daemons have been started?
	479	for daemon_name in $daemon_list; do
	480	eval daemon_prio=\$$daemon_name
	481	if [ "$daemon_prio" -gt 0 ]; then
	482	eval "daemon_inst=\${${daemon_name}_instances//,/ }"
	483	if [ -n "$daemon_inst" ]; then
	484	for i in ${daemon_inst}; do
	485	if [ -n "$inst" -a "$inst" = "$i" ]; then
	486	started "$1" "log" \|\| failed_status=$?
	487	elif [ -z "$inst" ]; then
	488	started "$daemon_name-$i" "log" \|\| failed_status=$?
	489	fi
	490	done
	491	else
	492	started "$daemon_name" "log" \|\| failed_status=$?
	493	fi
	494	fi
	495	done
	496
	497	# All daemons that need to have been started are up and running
	498	return $failed_status
df44cf00	499	}
df44cf00	500
651415bd DS	501	#########################################################
	502	# Main program #
	503	#########################################################
	504
	505	# Config broken but script must exit silently.
	506	[ ! -r "$C_PATH/daemons" ] && exit 0
	507
	508	# Load configuration
	509	. "$C_PATH/daemons"
a55578f6 CF	510	if [ -e "$C_PATH/daemons.conf" ]; then
	511	. "$C_PATH/daemons.conf"
	512	fi
651415bd DS	513
651415bd DS	514	# Read configuration variable file if it is present
d8e4c438	515	[ -r /etc/default/frr ] && . /etc/default/frr
651415bd	516
68495906 DL	517	if test -z "$frr_profile"; then
	518	# try to autodetect config profile
	519	if test -d /etc/cumulus; then
	520	frr_profile=datacenter
	521	# elif test ...; then
	522	# -- add your distro/system here
	523	elif test -n "$FRR_DEFAULT_PROFILE"; then
	524	frr_profile="$FRR_DEFAULT_PROFILE"
	525	fi
	526	fi
	527	test -n "$frr_profile" && frr_global_options="$frr_global_options -F $frr_profile"
	528
651415bd DS	529	MAX_INSTANCES=${MAX_INSTANCES:=5}
	530
	531	# Set priority of un-startable daemons to 'no' and substitute 'yes' to '0'
	532	convert_daemon_prios
	533
	534	if [ ! -d $V_PATH ]; then
25e87a8f QY	535	echo "Creating $V_PATH"
	536	mkdir -p $V_PATH
	537	chownfrr $V_PATH
	538	chmod 755 /$V_PATH
651415bd DS	539	fi
	540
	541	if [ -n "$3" ] && [ "$3" != "all" ]; then
25e87a8f	542	dmn="$2"-"$3"
651415bd	543	elif [ -n "$2" ] && [ "$2" != "all" ]; then
25e87a8f	544	dmn="$2"
651415bd DS	545	fi
651415bd DS	546
df44cf00	547	case "$1" in
25e87a8f QY	548	start)
	549	# Try to load this necessary (at least for 2.6) module.
	550	if [ -d /lib/modules/`uname -r` ] ; then
	551	echo "Loading capability module if not yet done."
	552	set +e; LC_ALL=C modprobe -a capability 2>&1 \| egrep -v "(not found\|Can't locate)"; set -e
	553	fi
	554
	555	# Start all daemons
	556	cd $C_PATH/
	557	if [ "$2" != "watchfrr" ]; then
	558	start_prio 10 $dmn
	559	fi
	560	start_watchfrr
	561	vtysh_b
	562	;;
	563
	564	1\|2\|3\|4\|5\|6\|7\|8\|9\|10)
	565	# Stop/start daemons for the appropriate priority level
	566	stop_prio $1
	567	start_prio $1
	568	vtysh_b
	569	;;
	570
	571	stop\|0)
	572	# Stop all daemons at level '0' or 'stop'
	573	stop_watchfrr
	574	if [ "$dmn" != "watchfrr" ]; then
	575	[ -n "${dmn}" ] && eval "${dmn/-/_}=0"
	576	stop_prio 0 $dmn
	577	fi
	578
db6e0503	579	if [ -n "$dmn" -a "$dmn" != "zebra" ]; then
25e87a8f QY	580	[ -n "$dmn" ] && eval "${dmn/-/_}=0"
	581	start_watchfrr
	582	fi
	583	;;
	584
	585	reload)
	586	# Just apply the commands that have changed, no restart necessary
	587	if [ ! -x "$RELOAD_SCRIPT" ]; then
	588	echo "Please install frr-pythontools package. Required for reload"
	589	exit 0
	590	fi
	591
	592	NEW_CONFIG_FILE="${2:-$C_PATH/frr.conf}"
	593	[ ! -r $NEW_CONFIG_FILE ] && echo "Unable to read new configuration file $NEW_CONFIG_FILE" && exit 1
	594	echo "Applying only incremental changes to running configuration from frr.conf"
	595	"$RELOAD_SCRIPT" --reload $C_PATH/frr.conf
	596	exit $?
	597	;;
	598
	599	status)
	600	check_status $dmn
	601	exit $?
	602	;;
	603
	604	restart\|force-reload)
	605	$0 stop $dmn
	606	sleep 1
	607	$0 start $dmn
	608	;;
	609
	610	*)
	611	echo "Usage: /etc/init.d/frr {start\|stop\|status\|reload\|restart\|force-reload\|<priority>} [daemon]"
	612	echo " E.g. '/etc/init.d/frr 5' would start all daemons with a prio 1-5."
	613	echo " reload applies only modifications from the running config to all daemons."
	614	echo " reload neither restarts starts any daemon nor starts any new ones."
	615	echo " Read /usr/share/doc/frr/README.Debian for details."
	616	exit 1
	617	;;
df44cf00	618	esac
df44cf00	619
651415bd	620	echo "Exiting from the script"
df44cf00	621	exit 0