diff options
Diffstat (limited to 'debian/openvswitch-testcontroller.init')
| -rwxr-xr-x | debian/openvswitch-testcontroller.init | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/debian/openvswitch-testcontroller.init b/debian/openvswitch-testcontroller.init new file mode 100755 index 000000000..67b7a994f --- /dev/null +++ b/debian/openvswitch-testcontroller.init @@ -0,0 +1,278 @@ +#!/bin/sh +# +# Copyright (c) 2011, 2014 Nicira, Inc. +# 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-testcontroller +# Required-Start: $network $local_fs $remote_fs +# Required-Stop: $remote_fs +# Should-Start: $named +# Should-Stop: +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Simple OpenFlow controller for testing +# Description: This controller enables OpenFlow switches that connect to +# it to act as MAC-learning Ethernet switches. +### END INIT INFO + +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin + +DAEMON=/usr/bin/ovs-testcontroller # Introduce the server's location here +NAME=ovs-testcontroller # Introduce the short server's name here +DESC=ovs-testcontroller # Introduce a short description here +LOGDIR=/var/log/openvswitch # Log directory to use + +PIDFILE=/var/run/openvswitch/$NAME.pid + +test -x $DAEMON || exit 0 + +. /lib/lsb/init-functions + +# Default options, these can be overriden by the information +# at /etc/default/openvswitch-testcontroller +DAEMON_OPTS="" # Additional options given to the server + +DODTIME=10 # Time to wait for the server to die, in seconds + # If this value is set too low you might not + # let some servers to die gracefully and + # 'restart' will not work + +LOGFILE=$LOGDIR/$NAME.log # Server logfile +#DAEMONUSER= # User to run the daemons as. If this value + # is set start-stop-daemon will chuid the server + +# Include defaults if available +default=/etc/default/openvswitch-testcontroller +if [ -f $default ] ; then + . $default +fi + +# Check that the user exists (if we set a user) +# Does the user exist? +if [ -n "$DAEMONUSER" ] ; then + if getent passwd | grep -q "^$DAEMONUSER:"; then + # Obtain the uid and gid + DAEMONUID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $3}'` + DAEMONGID=`getent passwd |grep "^$DAEMONUSER:" | awk -F : '{print $4}'` + else + log_failure_msg "The user $DAEMONUSER, required to run $NAME does not exist." + exit 1 + fi +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/$pid ] && return 1 + cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1` + # 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 $DAEMON || return 1 + return 0 +} + +start_server() { + if [ -z "$LISTEN" ]; then + echo "$default: No connection methods configured, controller disabled" >&2 + exit 0 + fi + + if [ ! -d /var/run/openvswitch ]; then + install -d -m 755 -o root -g root /var/run/openvswitch + fi + + SSL_OPTS= + case $LISTEN in + *ssl*) + : ${PRIVKEY:=/etc/openvswitch-testcontroller/privkey.pem} + : ${CERT:=/etc/openvswitch-testcontroller/cert.pem} + : ${CACERT:=/etc/openvswitch-testcontroller/cacert.pem} + if test ! -e "$PRIVKEY" || test ! -e "$CERT" || + test ! -e "$CACERT"; then + if test ! -e "$PRIVKEY"; then + echo "$PRIVKEY: private key missing" >&2 + fi + if test ! -e "$CERT"; then + echo "$CERT: certificate for private key missing" >&2 + fi + if test ! -e "$CACERT"; then + echo "$CACERT: CA certificate missing" >&2 + fi + exit 1 + fi + SSL_OPTS="--private-key=$PRIVKEY --certificate=$CERT --ca-cert=$CACERT" + ;; + esac + +# Start the process using the wrapper + if [ -z "$DAEMONUSER" ] ; then + start-stop-daemon --start --pidfile $PIDFILE \ + --exec $DAEMON -- --detach --pidfile=$PIDFILE \ + $LISTEN $DAEMON_OPTS $SSL_OPTS + errcode=$? + else +# if we are using a daemonuser then change the user id + start-stop-daemon --start --quiet --pidfile $PIDFILE \ + --chuid $DAEMONUSER --exec $DAEMON -- \ + --detach --pidfile=$PIDFILE $LISTEN $DAEMON_OPTS \ + $SSL_OPTS + errcode=$? + fi + return $errcode +} + +stop_server() { +# Stop the process using the wrapper + if [ -z "$DAEMONUSER" ] ; then + start-stop-daemon --stop --quiet --pidfile $PIDFILE \ + --exec $DAEMON + errcode=$? + else +# if we are using a daemonuser then look for process that match + start-stop-daemon --stop --quiet --pidfile $PIDFILE \ + --user $DAEMONUSER --exec $DAEMON + errcode=$? + fi + + return $errcode +} + +reload_server() { + [ ! -f "$PIDFILE" ] && return 1 + pid=`cat $PIDFILE` # This is the daemon's pid + # Send a SIGHUP + kill -1 $pid + return $? +} + +force_stop() { +# Force the process to die killing it manually + [ ! -e "$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 $DESC " "$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_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 $DESC" "$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) $DESC" "$NAME" + force_stop + log_end_msg $? + fi + ;; + restart|force-reload) + log_daemon_msg "Restarting $DESC" "$NAME" + if running; then + stop_server + # Wait some sensible amount, some server need this. + [ -n "$DODTIME" ] && sleep $DODTIME + fi + start_server + 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/openvswitch-testcontroller + echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2 + exit 1 + ;; +esac + +exit 0 |