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openvswitch/debian/openvswitch-ipsec.init
Justin Pettit bd9e5b0e58 debian: Start ovs-monitor-ipsec after ovsdb running.
ovs-monitor-ipsec uses the OVS database to get configuration, so don't
bother starting the daemon until it's up.

Debian recently switched to using the LSB fields in the header of init
scripts to allow dependency-based boots.  This is described in the
following page:

    http://wiki.debian.org/LSBInitScripts/DependencyBasedBoot

This commit makes use of those fields to get the ordering we want.
2011-10-25 12:21:54 -07:00

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#!/bin/sh
#
# Copyright (c) 2007, 2009 Javier Fernandez-Sanguino <jfs@debian.org>
#
# This is free software; you may redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2,
# or (at your option) any later version.
#
# This is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License with
# the Debian operating system, in /usr/share/common-licenses/GPL; if
# not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
#
### BEGIN INIT INFO
# Provides: openvswitch-ipsec
# Required-Start: $network $local_fs $remote_fs openvswitch-switch
# Required-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Open vSwitch GRE-over-IPsec daemon
### END INIT INFO
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/share/openvswitch/scripts/ovs-monitor-ipsec # Daemon's location
NAME=ovs-monitor-ipsec # Introduce the short server's name here
LOGDIR=/var/log/openvswitch # Log directory to use
PIDFILE=/var/run/openvswitch/$NAME.pid
test -x $DAEMON || exit 0
. /lib/lsb/init-functions
DODTIME=10 # Time to wait for the server to die, in seconds
# If this value is set too low you might not
# let some servers to die gracefully and
# 'restart' will not work
set -e
running_pid() {
# Check if a given process pid's cmdline matches a given name
pid=$1
name=$2
[ -z "$pid" ] && return 1
[ ! -d /proc/$pid ] && return 1
cmd=`cat /proc/$pid/cmdline | tr "\000" " "|cut -d " " -f 2`
# Is this the expected server
[ "$cmd" != "$name" ] && return 1
return 0
}
running() {
# Check if the process is running looking at /proc
# (works for all users)
# No pidfile, probably no daemon present
[ ! -f "$PIDFILE" ] && return 1
pid=`cat $PIDFILE`
running_pid $pid $DAEMON || return 1
return 0
}
start_server() {
if [ ! -d /var/run/openvswitch ]; then
install -d -m 755 -o root -g root /var/run/openvswitch
fi
/usr/share/openvswitch/scripts/ovs-monitor-ipsec \
--pidfile=$PIDFILE --log-file --detach --monitor \
unix:/var/run/openvswitch/db.sock
return 0
}
stop_server() {
if [ -e $PIDFILE ]; then
kill `cat $PIDFILE`
fi
return 0
}
force_stop() {
# Force the process to die killing it manually
[ ! -e "$PIDFILE" ] && return
if running ; then
kill -15 $pid
# Is it really dead?
sleep "$DODTIME"
if running ; then
kill -9 $pid
sleep "$DODTIME"
if running ; then
echo "Cannot kill $NAME (pid=$pid)!"
exit 1
fi
fi
fi
rm -f $PIDFILE
}
case "$1" in
start)
log_daemon_msg "Starting $NAME"
# Check if it's running first
if running ; then
log_progress_msg "apparently already running"
log_end_msg 0
exit 0
fi
if start_server && running ; then
# It's ok, the server started and is running
log_end_msg 0
else
# Either we could not start it or it is not running
# after we did
# NOTE: Some servers might die some time after they start,
# this code does not try to detect this and might give
# a false positive (use 'status' for that)
log_end_msg 1
fi
;;
stop)
log_daemon_msg "Stopping $NAME"
if running ; then
# Only stop the server if we see it running
stop_server
log_end_msg $?
else
# If it's not running don't do anything
log_progress_msg "apparently not running"
log_end_msg 0
exit 0
fi
;;
force-stop)
# First try to stop gracefully the program
$0 stop
if running; then
# If it's still running try to kill it more forcefully
log_daemon_msg "Stopping (force) $NAME"
force_stop
log_end_msg $?
fi
;;
restart|force-reload)
log_daemon_msg "Restarting $NAME"
stop_server
# Wait some sensible amount, some server need this
[ -n "$DODTIME" ] && sleep $DODTIME
start_server
running
log_end_msg $?
;;
status)
log_daemon_msg "Checking status of $NAME"
if running ; then
log_progress_msg "running"
log_end_msg 0
else
log_progress_msg "apparently not running"
log_end_msg 1
exit 1
fi
;;
# Use this if the daemon cannot reload
reload)
log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
log_warning_msg "cannot re-read the config file (use restart)."
;;
*)
N=/etc/init.d/openvswitch-ipsec
echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2
exit 1
;;
esac
exit 0