debian/openvswitch-ipsec.init

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007, 2009 Javier Fernandez-Sanguino <jfs@debian.org>
   4 #
   5 # This is free software; you may redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 2,
   8 # or (at your option) any later version.
   9 #
  10 # This is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License with
  16 # the Debian operating system, in /usr/share/common-licenses/GPL;  if
  17 # not, write to the Free Software Foundation, Inc., 59 Temple Place,
  18 # Suite 330, Boston, MA 02111-1307 USA
  19 #
  20 ### BEGIN INIT INFO
  21 # Provides:          openvswitch-ipsec
  22 # Required-Start:    $network $local_fs $remote_fs openvswitch-switch
  23 # Required-Stop:     $remote_fs
  24 # Default-Start:     2 3 4 5
  25 # Default-Stop:      0 1 6
  26 # Short-Description: Open vSwitch GRE-over-IPsec daemon
  27 # Description:       The ovs-monitor-ipsec script provides support for
  28 #                    encrypting GRE tunnels with IPsec.
  29 ### END INIT INFO
  30
  31 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
  32
  33 DAEMON=/usr/share/openvswitch/scripts/ovs-monitor-ipsec # Daemon's location
  34 NAME=ovs-monitor-ipsec          # Introduce the short server's name here
  35 LOGDIR=/var/log/openvswitch     # Log directory to use
  36 DATADIR=/usr/share/openvswitch
  37
  38 PIDFILE=/var/run/openvswitch/$NAME.pid
  39
  40 test -x $DAEMON || exit 0
  41
  42 . /lib/lsb/init-functions
  43
  44 DODTIME=10              # Time to wait for the server to die, in seconds
  45                         # If this value is set too low you might not
  46                         # let some servers to die gracefully and
  47                         # 'restart' will not work
  48
  49 set -e
  50
  51 running_pid() {
  52 # Check if a given process pid's cmdline matches a given name
  53     pid=$1
  54     name=$2
  55     [ -z "$pid" ] && return 1
  56     [ ! -d /proc/$pid ] &&  return 1
  57     cmd=`cat /proc/$pid/cmdline | tr "\000" " "|cut -d " " -f 2`
  58     # Is this the expected server
  59     [ "$cmd" != "$name" ] &&  return 1
  60     return 0
  61 }
  62
  63 running() {
  64 # Check if the process is running looking at /proc
  65 # (works for all users)
  66
  67     # No pidfile, probably no daemon present
  68     [ ! -f "$PIDFILE" ] && return 1
  69     pid=`cat $PIDFILE`
  70     running_pid $pid $DAEMON || return 1
  71     return 0
  72 }
  73
  74 start_server() {
  75     ${DATADIR}/scripts/ovs-ctl --ike-daemon=strongswan start-ovs-ipsec
  76     return 0
  77 }
  78
  79 stop_server() {
  80     ${DATADIR}/scripts/ovs-ctl stop-ovs-ipsec
  81     return 0
  82 }
  83
  84 force_stop() {
  85 # Force the process to die killing it manually
  86     [ ! -e "$PIDFILE" ] && return
  87     if running ; then
  88         kill -15 $pid
  89         # Is it really dead?
  90         sleep "$DODTIME"
  91         if running ; then
  92             kill -9 $pid
  93             sleep "$DODTIME"
  94             if running ; then
  95                 echo "Cannot kill $NAME (pid=$pid)!"
  96                 exit 1
  97             fi
  98         fi
  99     fi
 100     rm -f $PIDFILE
 101 }
 102
 103
 104 case "$1" in
 105   start)
 106         log_daemon_msg "Starting $NAME"
 107         # Check if it's running first
 108         if running ;  then
 109             log_progress_msg "apparently already running"
 110             log_end_msg 0
 111             exit 0
 112         fi
 113         if start_server && running ;  then
 114             # It's ok, the server started and is running
 115             log_end_msg 0
 116         else
 117             # Either we could not start it or it is not running
 118             # after we did
 119             # NOTE: Some servers might die some time after they start,
 120             # this code does not try to detect this and might give
 121             # a false positive (use 'status' for that)
 122             log_end_msg 1
 123         fi
 124         ;;
 125   stop)
 126         log_daemon_msg "Stopping $NAME"
 127         if running ; then
 128             # Only stop the server if we see it running
 129             stop_server
 130             log_end_msg $?
 131         else
 132             # If it's not running don't do anything
 133             log_progress_msg "apparently not running"
 134             log_end_msg 0
 135             exit 0
 136         fi
 137         ;;
 138   force-stop)
 139         # First try to stop gracefully the program
 140         $0 stop
 141         if running; then
 142             # If it's still running try to kill it more forcefully
 143             log_daemon_msg "Stopping (force) $NAME"
 144             force_stop
 145             log_end_msg $?
 146         fi
 147         ;;
 148   restart|force-reload)
 149         log_daemon_msg "Restarting $NAME"
 150         stop_server
 151         # Wait some sensible amount, some server need this
 152         [ -n "$DODTIME" ] && sleep $DODTIME
 153         start_server
 154         running
 155         log_end_msg $?
 156         ;;
 157   status)
 158         log_daemon_msg "Checking status of $NAME"
 159         if running ;  then
 160             log_progress_msg "running"
 161             log_end_msg 0
 162         else
 163             log_progress_msg "apparently not running"
 164             log_end_msg 1
 165             exit 1
 166         fi
 167         ;;
 168   # Use this if the daemon cannot reload
 169   reload)
 170         log_warning_msg "Reloading $NAME daemon: not implemented, as the"
 171         log_warning_msg "deamon cannot re-read the config file (use restart)."
 172         ;;
 173   *)
 174         N=/etc/init.d/openvswitch-ipsec
 175         echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" \
 176              >&2
 177         exit 1
 178         ;;
 179 esac
 180
 181 exit 0