[mirror_ovs.git] / debian / openvswitch-testcontroller.init

#!/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
Commit	Line	Data
0bc1b46a BP	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2011, 2014 Nicira, Inc.
	4	# Copyright (c) 2007, 2009 Javier Fernandez-Sanguino <jfs@debian.org>
	5	#
	6	# This is free software; you may redistribute it and/or modify
	7	# it under the terms of the GNU General Public License as
	8	# published by the Free Software Foundation; either version 2,
	9	# or (at your option) any later version.
	10	#
	11	# This is distributed in the hope that it will be useful, but
	12	# WITHOUT ANY WARRANTY; without even the implied warranty of
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	# GNU General Public License for more details.
	15	#
	16	# You should have received a copy of the GNU General Public License with
	17	# the Debian operating system, in /usr/share/common-licenses/GPL; if
	18	# not, write to the Free Software Foundation, Inc., 59 Temple Place,
	19	# Suite 330, Boston, MA 02111-1307 USA
	20	#
	21	### BEGIN INIT INFO
	22	# Provides: openvswitch-testcontroller
	23	# Required-Start: $network $local_fs $remote_fs
	24	# Required-Stop: $remote_fs
	25	# Should-Start: $named
	26	# Should-Stop:
	27	# Default-Start: 2 3 4 5
	28	# Default-Stop: 0 1 6
	29	# Short-Description: Simple OpenFlow controller for testing
	30	# Description: This controller enables OpenFlow switches that connect to
	31	# it to act as MAC-learning Ethernet switches.
	32	### END INIT INFO
	33
	34	PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
	35
	36	DAEMON=/usr/bin/ovs-testcontroller # Introduce the server's location here
	37	NAME=ovs-testcontroller # Introduce the short server's name here
	38	DESC=ovs-testcontroller # Introduce a short description here
	39	LOGDIR=/var/log/openvswitch # Log directory to use
	40
	41	PIDFILE=/var/run/openvswitch/$NAME.pid
	42
	43	test -x $DAEMON \|\| exit 0
	44
	45	. /lib/lsb/init-functions
	46
	47	# Default options, these can be overriden by the information
	48	# at /etc/default/openvswitch-testcontroller
	49	DAEMON_OPTS="" # Additional options given to the server
	50
	51	DODTIME=10 # Time to wait for the server to die, in seconds
	52	# If this value is set too low you might not
	53	# let some servers to die gracefully and
	54	# 'restart' will not work
	55
	56	LOGFILE=$LOGDIR/$NAME.log # Server logfile
	57	#DAEMONUSER= # User to run the daemons as. If this value
	58	# is set start-stop-daemon will chuid the server
	59
	60	# Include defaults if available
	61	default=/etc/default/openvswitch-testcontroller
	62	if [ -f $default ] ; then
	63	. $default
	64	fi
65
66	# Check that the user exists (if we set a user)
67	# Does the user exist?
68	if [ -n "$DAEMONUSER" ] ; then
69	if getent passwd \| grep -q "^$DAEMONUSER:"; then
70	# Obtain the uid and gid
71	DAEMONUID=`getent passwd \|grep "^$DAEMONUSER:" \| awk -F : '{print $3}'`
72	DAEMONGID=`getent passwd \|grep "^$DAEMONUSER:" \| awk -F : '{print $4}'`
73	else
74	log_failure_msg "The user $DAEMONUSER, required to run $NAME does not exist."
75	exit 1
76	fi
77	fi
78
79
80	set -e
81
82	running_pid() {
83	# Check if a given process pid's cmdline matches a given name
84	pid=$1
85	name=$2
86	[ -z "$pid" ] && return 1
87	[ ! -d /proc/$pid ] && return 1
88	cmd=`cat /proc/$pid/cmdline \| tr "\000" "\n"\|head -n 1 \|cut -d : -f 1`
89	# Is this the expected server
90	[ "$cmd" != "$name" ] && return 1
91	return 0
92	}
93
94	running() {
95	# Check if the process is running looking at /proc
96	# (works for all users)
97
98	# No pidfile, probably no daemon present
99	[ ! -f "$PIDFILE" ] && return 1
100	pid=`cat $PIDFILE`
101	running_pid $pid $DAEMON \|\| return 1
102	return 0
103	}
104
105	start_server() {
106	if [ -z "$LISTEN" ]; then
107	echo "$default: No connection methods configured, controller disabled" >&2
108	exit 0
109	fi
110
111	if [ ! -d /var/run/openvswitch ]; then
112	install -d -m 755 -o root -g root /var/run/openvswitch
113	fi
114
115	SSL_OPTS=
116	case $LISTEN in
117	ssl)
118	: ${PRIVKEY:=/etc/openvswitch-testcontroller/privkey.pem}
119	: ${CERT:=/etc/openvswitch-testcontroller/cert.pem}
120	: ${CACERT:=/etc/openvswitch-testcontroller/cacert.pem}
121	if test ! -e "$PRIVKEY" \|\| test ! -e "$CERT" \|\|
122	test ! -e "$CACERT"; then
123	if test ! -e "$PRIVKEY"; then
124	echo "$PRIVKEY: private key missing" >&2
125	fi
126	if test ! -e "$CERT"; then
127	echo "$CERT: certificate for private key missing" >&2
128	fi
129	if test ! -e "$CACERT"; then
130	echo "$CACERT: CA certificate missing" >&2
131	fi
132	exit 1
133	fi
134	SSL_OPTS="--private-key=$PRIVKEY --certificate=$CERT --ca-cert=$CACERT"
135	;;
136	esac
137
138	# Start the process using the wrapper
139	if [ -z "$DAEMONUSER" ] ; then
140	start-stop-daemon --start --pidfile $PIDFILE \
141	--exec $DAEMON -- --detach --pidfile=$PIDFILE \
142	$LISTEN $DAEMON_OPTS $SSL_OPTS
143	errcode=$?
144	else
145	# if we are using a daemonuser then change the user id
146	start-stop-daemon --start --quiet --pidfile $PIDFILE \
147	--chuid $DAEMONUSER --exec $DAEMON -- \
148	--detach --pidfile=$PIDFILE $LISTEN $DAEMON_OPTS \
149	$SSL_OPTS
150	errcode=$?
151	fi
152	return $errcode
153	}
154
155	stop_server() {
156	# Stop the process using the wrapper
157	if [ -z "$DAEMONUSER" ] ; then
158	start-stop-daemon --stop --quiet --pidfile $PIDFILE \
159	--exec $DAEMON
160	errcode=$?
161	else
162	# if we are using a daemonuser then look for process that match
163	start-stop-daemon --stop --quiet --pidfile $PIDFILE \
164	--user $DAEMONUSER --exec $DAEMON
165	errcode=$?
166	fi
167
168	return $errcode
169	}
170
171	reload_server() {
172	[ ! -f "$PIDFILE" ] && return 1
173	pid=`cat $PIDFILE` # This is the daemon's pid
174	# Send a SIGHUP
175	kill -1 $pid
176	return $?
177	}
178
179	force_stop() {
180	# Force the process to die killing it manually
181	[ ! -e "$PIDFILE" ] && return
182	if running ; then
183	kill -15 $pid
184	# Is it really dead?
185	sleep "$DODTIME"
186	if running ; then
187	kill -9 $pid
188	sleep "$DODTIME"
189	if running ; then
190	echo "Cannot kill $NAME (pid=$pid)!"
191	exit 1
192	fi
193	fi
194	fi
195	rm -f $PIDFILE
196	}
197
198
199	case "$1" in
200	start)
201	log_daemon_msg "Starting $DESC " "$NAME"
202	# Check if it's running first
203	if running ; then
204	log_progress_msg "apparently already running"
205	log_end_msg 0
206	exit 0
207	fi
208	if start_server && running ; then
209	# It's ok, the server started and is running
210	log_end_msg 0
211	else
212	# Either we could not start it or it is not running
213	# after we did
214	# NOTE: Some servers might die some time after they start,
215	# this code does not try to detect this and might give
216	# a false positive (use 'status' for that)
217	log_end_msg 1
218	fi
219	;;
220	stop)
221	log_daemon_msg "Stopping $DESC" "$NAME"
222	if running ; then
223	# Only stop the server if we see it running
224	stop_server
225	log_end_msg $?
226	else
227	# If it's not running don't do anything
228	log_progress_msg "apparently not running"
229	log_end_msg 0
230	exit 0
231	fi
232	;;
233	force-stop)
234	# First try to stop gracefully the program
235	$0 stop
236	if running; then
237	# If it's still running try to kill it more forcefully
238	log_daemon_msg "Stopping (force) $DESC" "$NAME"
239	force_stop
240	log_end_msg $?
241	fi
242	;;
243	restart\|force-reload)
244	log_daemon_msg "Restarting $DESC" "$NAME"
245	if running; then
246	stop_server
247	# Wait some sensible amount, some server need this.
248	[ -n "$DODTIME" ] && sleep $DODTIME
249	fi
250	start_server
251	running
252	log_end_msg $?
253	;;
254	status)
255
256	log_daemon_msg "Checking status of $DESC" "$NAME"
257	if running ; then
258	log_progress_msg "running"
259	log_end_msg 0
260	else
261	log_progress_msg "apparently not running"
262	log_end_msg 1
263	exit 1
264	fi
265	;;
266	# Use this if the daemon cannot reload
267	reload)
268	log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
269	log_warning_msg "cannot re-read the config file (use restart)."
270	;;
271	*)
272	N=/etc/init.d/openvswitch-testcontroller
273	echo "Usage: $N {start\|stop\|force-stop\|restart\|force-reload\|status}" >&2
274	exit 1
275	;;
276	esac
277
278	exit 0