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|
#!/bin/bash
#
### BEGIN INIT INFO
# Provides: frr
# Required-Start: $local_fs $network $remote_fs $syslog
# Required-Stop: $local_fs $network $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop the FRR routing suite
# Description: FRR is a routing suite for IP routing protocols like
# BGP, OSPF, RIP and others. This script contols the main
# "watchfrr" daemon.
### END INIT INFO
#
# This is the main init script for FRR. It mostly wraps frrcommon.sh which
# provides the actual functions to start/stop/restart things.
#
if [ -r "/lib/lsb/init-functions" ]; then
. /lib/lsb/init-functions
else
log_success_msg() {
echo "$@"
}
log_warning_msg() {
echo "$@" >&2
}
log_failure_msg() {
echo "$@" >&2
}
fi
# "/usr/lib/frr/frrinit.sh start somenamespace"
FRR_PATHSPACE="$2"
self="`dirname $0`"
if [ -r "$self/frrcommon.sh" ]; then
. "$self/frrcommon.sh"
else
. "@CFG_SBIN@/frrcommon.sh"
fi
case "$1" in
start)
daemon_list daemons
watchfrr_options="$watchfrr_options $daemons"
daemon_start watchfrr
;;
stop)
daemon_stop watchfrr
all_stop --reallyall
exit ${still_running:-0}
;;
restart|force-reload)
daemon_stop watchfrr
all_stop --reallyall
daemon_list daemons
watchfrr_options="$watchfrr_options $daemons"
daemon_start watchfrr
;;
status)
fail=0
print_status watchfrr || fail=1
all_status || fail=1
exit $fail
;;
reload)
if [ ! -x "$RELOAD_SCRIPT" ]; then
log_failure_msg "The frr-pythontools package is required for reload functionality."
exit 1
fi
# systemd doesn't set WATCHDOG_USEC for reload commands.
watchfrr_pidfile="$V_PATH/watchfrr.pid"
watchfrr_pid="`cat \"$watchfrr_pidfile\"`"
watchfrr_cmdline="`tr '\0' '\n' < /proc/$watchfrr_pid/cmdline`"
if [ -d "/proc/$watchfrr_pid" ]; then
wdt="`tr '\0' '\n' < /proc/$watchfrr_pid/environ | grep '^WATCHDOG_USEC='`"
wdt="${wdt#WATCHDOG_USEC=}"
[ -n "$wdt" ] && : ${WATCHDOG_USEC:=$wdt}
[ -n "$WATCHDOG_USEC" ] && export WATCHDOG_USEC
fi
# restart watchfrr to pick up added daemons.
# NB: This will NOT cause the other daemons to be restarted.
daemon_list enabled_daemons disabled_daemons
watchfrr_options="$watchfrr_options $enabled_daemons"
daemon_stop watchfrr && \
daemon_start watchfrr
# If we disable an arbitrary daemon and do reload,
# disabled daemon is still running and we should stop it.
for daemon in $disabled_daemons; do
if grep -q "$daemon" <<< "$watchfrr_cmdline"; then
daemon_stop "$daemon" &
pids="$pids $!"
fi
done
for pid in $pids; do
wait "$pid"
done
# make systemd not kill watchfrr after ExecReload completes
# 3 goats were sacrificed to restore sanity after coding this
watchfrr_pid="`cat \"$watchfrr_pidfile\"`"
if [ -f "/proc/$watchfrr_pid/cgroup" -a -d "/sys/fs/cgroup/systemd" ]; then
cg="`egrep '^[0-9]+:name=systemd:' \"/proc/$watchfrr_pid/cgroup\"`"
cg="${cg#*:*:}"
cgmain="$cg"
cgmain="${cgmain%/.control}"
cgmain="${cgmain%/control}"
[ -n "$cg" -a "$cg" != "$cgmain" ] && \
echo "$watchfrr_pid" > "/sys/fs/cgroup/systemd/$cgmain/tasks"
fi
NEW_CONFIG_FILE="${2:-$C_PATH/frr.conf}"
[ ! -r $NEW_CONFIG_FILE ] && log_failure_msg "Unable to read new configuration file $NEW_CONFIG_FILE" && exit 1
"$RELOAD_SCRIPT" --reload --bindir "$B_PATH" --confdir "$C_PATH" --rundir "$V_PATH" "$NEW_CONFIG_FILE" `echo $nsopt`
exit 0
;;
*)
echo "Usage:"
echo " ${0} <start|stop|restart|force-reload|reload|status> [namespace]"
echo " ${0} stop namespace1"
exit 1
;;
esac
|
