diff options
Diffstat (limited to 'debian/openvswitch-monitor.init')
| -rwxr-xr-x | debian/openvswitch-monitor.init | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/debian/openvswitch-monitor.init b/debian/openvswitch-monitor.init new file mode 100755 index 000000000..8c7e1ad08 --- /dev/null +++ b/debian/openvswitch-monitor.init @@ -0,0 +1,174 @@ +#!/bin/sh +# +# Example init.d script with LSB support. +# +# Please read this init.d carefully and modify the sections to +# adjust it to the program you want to run. +# +# 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-monitor +# Required-Start: $network $local_fs +# Required-Stop: +# Should-Start: $named $syslog openvswitch-switch +# Should-Stop: +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Open vSwitch switch monitor +### END INIT INFO + +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin + +DAEMON=/usr/sbin/ovs-monitor +NAME=openvswitch-monitor +DESC="Open vSwitch switch monitor" + +PIDFILE=/var/run/$NAME.pid + +test -x $DAEMON || exit 0 + +. /lib/lsb/init-functions + +# Default options, these can be overriden by the information +# at /etc/default/$NAME +DAEMON_OPTS="" # Additional options given to the daemon + +DODTIME=10 # Time to wait for the daemon to die, in seconds + # If this value is set too low you might not + # let some daemons to die gracefully and + # 'restart' will not work + +# Include defaults if available +if [ -f /etc/default/$NAME ] ; then + . /etc/default/$NAME +fi + +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/$pid ] && return 1 + return 0 +} + +running() { +# Check if the process is running looking at /proc +# (works for all users) + + # No pidfile, probably no daemon present + [ ! -f "$PIDFILE" ] && return 1 + pid=`cat $PIDFILE` + running_pid $pid $DAEMON || return 1 + return 0 +} + +start_daemon() { +# Start the process using the wrapper + if test $THRESHOLD != 0; then + start-stop-daemon --start --quiet -m --background --pidfile $PIDFILE \ + --exec $DAEMON -- -c $THRESHOLD -i $INTERVAL -l $LOG_FILE \ + -s $SWITCH_VCONN $DAEMON_OPTS + fi + + # Wait up to 3 seconds for the daemon to start. + for i in 1 2 3; do + if running; then + break + fi + sleep 1 + done +} + +stop_daemon() { + start-stop-daemon -o --stop --pidfile $PIDFILE + rm $PIDFILE +} + +case "$1" in + start) + log_daemon_msg "Starting $DESC " "$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_daemon && running ; then + # It's ok, the daemon 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 daemons 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 $DESC" "$NAME" + if running ; then + # Only stop the daemon if we see it running + stop_daemon + 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 + ;; + restart|force-reload) + log_daemon_msg "Restarting $DESC" "$NAME" + if running ; then + stop_daemon + # Wait some sensible amount, some daemons need this + [ -n "$DIETIME" ] && sleep $DIETIME + fi + start_daemon + running + log_end_msg $? + ;; + status) + log_daemon_msg "Checking status of $DESC" "$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 $NAME daemon: not implemented, as the daemon" + log_warning_msg "cannot re-read the config file (use restart)." + ;; + *) + N=/etc/init.d/$NAME + echo "Usage: $N {start|stop|restart|force-reload|status}" >&2 + exit 1 + ;; +esac + +exit 0 |