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| 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 |
| 23 | +# Required-Stop: $remote_fs |
| 24 | +# Default-Start: 2 3 4 5 |
| 25 | +# Default-Stop: 0 1 6 |
| 26 | +# Short-Description: Open vSwitch GRE-over-IPsec daemon |
| 27 | +### END INIT INFO |
| 28 | + |
| 29 | +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin |
| 30 | + |
| 31 | +DAEMON=/usr/share/openvswitch/scripts/ovs-monitor-ipsec # Daemon's location |
| 32 | +NAME=ovs-monitor-ipsec # Introduce the short server's name here |
| 33 | +LOGDIR=/var/log/openvswitch # Log directory to use |
| 34 | + |
| 35 | +PIDFILE=/var/run/openvswitch/$NAME.pid |
| 36 | + |
| 37 | +test -x $DAEMON || exit 0 |
| 38 | + |
| 39 | +. /lib/lsb/init-functions |
| 40 | + |
| 41 | +DODTIME=10 # Time to wait for the server to die, in seconds |
| 42 | + # If this value is set too low you might not |
| 43 | + # let some servers to die gracefully and |
| 44 | + # 'restart' will not work |
| 45 | + |
| 46 | +set -e |
| 47 | + |
| 48 | +running_pid() { |
| 49 | +# Check if a given process pid's cmdline matches a given name |
| 50 | + pid=$1 |
| 51 | + name=$2 |
| 52 | + [ -z "$pid" ] && return 1 |
| 53 | + [ ! -d /proc/$pid ] && return 1 |
| 54 | + cmd=`cat /proc/$pid/cmdline | tr "\000" " "|cut -d " " -f 2` |
| 55 | + # Is this the expected server |
| 56 | + [ "$cmd" != "$name" ] && return 1 |
| 57 | + return 0 |
| 58 | +} |
| 59 | + |
| 60 | +running() { |
| 61 | +# Check if the process is running looking at /proc |
| 62 | +# (works for all users) |
| 63 | + |
| 64 | + # No pidfile, probably no daemon present |
| 65 | + [ ! -f "$PIDFILE" ] && return 1 |
| 66 | + pid=`cat $PIDFILE` |
| 67 | + running_pid $pid $DAEMON || return 1 |
| 68 | + return 0 |
| 69 | +} |
| 70 | + |
| 71 | +start_server() { |
| 72 | + PYTHONPATH=/usr/share/openvswitch/python \ |
| 73 | + /usr/share/openvswitch/scripts/ovs-monitor-ipsec \ |
| 74 | + --pidfile-name=$PIDFILE --detach --monitor \ |
| 75 | + unix:/var/run/openvswitch/db.sock |
| 76 | + |
| 77 | + return 0 |
| 78 | +} |
| 79 | + |
| 80 | +stop_server() { |
| 81 | + if [ -e $PIDFILE ]; then |
| 82 | + kill `cat $PIDFILE` |
| 83 | + fi |
| 84 | + |
| 85 | + return 0 |
| 86 | +} |
| 87 | + |
| 88 | +force_stop() { |
| 89 | +# Force the process to die killing it manually |
| 90 | + [ ! -e "$PIDFILE" ] && return |
| 91 | + if running ; then |
| 92 | + kill -15 $pid |
| 93 | + # Is it really dead? |
| 94 | + sleep "$DIETIME"s |
| 95 | + if running ; then |
| 96 | + kill -9 $pid |
| 97 | + sleep "$DIETIME"s |
| 98 | + if running ; then |
| 99 | + echo "Cannot kill $NAME (pid=$pid)!" |
| 100 | + exit 1 |
| 101 | + fi |
| 102 | + fi |
| 103 | + fi |
| 104 | + rm -f $PIDFILE |
| 105 | +} |
| 106 | + |
| 107 | + |
| 108 | +case "$1" in |
| 109 | + start) |
| 110 | + log_daemon_msg "Starting $NAME" |
| 111 | + # Check if it's running first |
| 112 | + if running ; then |
| 113 | + log_progress_msg "apparently already running" |
| 114 | + log_end_msg 0 |
| 115 | + exit 0 |
| 116 | + fi |
| 117 | + if start_server && running ; then |
| 118 | + # It's ok, the server started and is running |
| 119 | + log_end_msg 0 |
| 120 | + else |
| 121 | + # Either we could not start it or it is not running |
| 122 | + # after we did |
| 123 | + # NOTE: Some servers might die some time after they start, |
| 124 | + # this code does not try to detect this and might give |
| 125 | + # a false positive (use 'status' for that) |
| 126 | + log_end_msg 1 |
| 127 | + fi |
| 128 | + ;; |
| 129 | + stop) |
| 130 | + log_daemon_msg "Stopping $NAME" |
| 131 | + if running ; then |
| 132 | + # Only stop the server if we see it running |
| 133 | + stop_server |
| 134 | + log_end_msg $? |
| 135 | + else |
| 136 | + # If it's not running don't do anything |
| 137 | + log_progress_msg "apparently not running" |
| 138 | + log_end_msg 0 |
| 139 | + exit 0 |
| 140 | + fi |
| 141 | + ;; |
| 142 | + force-stop) |
| 143 | + # First try to stop gracefully the program |
| 144 | + $0 stop |
| 145 | + if running; then |
| 146 | + # If it's still running try to kill it more forcefully |
| 147 | + log_daemon_msg "Stopping (force) $NAME" |
| 148 | + force_stop |
| 149 | + log_end_msg $? |
| 150 | + fi |
| 151 | + ;; |
| 152 | + restart|force-reload) |
| 153 | + log_daemon_msg "Restarting $NAME" |
| 154 | + stop_server |
| 155 | + # Wait some sensible amount, some server need this |
| 156 | + [ -n "$DIETIME" ] && sleep $DIETIME |
| 157 | + start_server |
| 158 | + running |
| 159 | + log_end_msg $? |
| 160 | + ;; |
| 161 | + status) |
| 162 | + log_daemon_msg "Checking status of $NAME" |
| 163 | + if running ; then |
| 164 | + log_progress_msg "running" |
| 165 | + log_end_msg 0 |
| 166 | + else |
| 167 | + log_progress_msg "apparently not running" |
| 168 | + log_end_msg 1 |
| 169 | + exit 1 |
| 170 | + fi |
| 171 | + ;; |
| 172 | + # Use this if the daemon cannot reload |
| 173 | + reload) |
| 174 | + log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon" |
| 175 | + log_warning_msg "cannot re-read the config file (use restart)." |
| 176 | + ;; |
| 177 | + *) |
| 178 | + N=/etc/init.d/openvswitch-ipsec |
| 179 | + echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2 |
| 180 | + exit 1 |
| 181 | + ;; |
| 182 | +esac |
| 183 | + |
| 184 | +exit 0 |
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