5 # chkconfig: 2345 09 91
6 # description: Manage Open vSwitch kernel modules and user-space daemons
8 # Copyright (C) 2009, 2010, 2011 Nicira Networks, Inc.
10 # Licensed under the Apache License, Version 2.0 (the "License");
11 # you may not use this file except in compliance with the License.
12 # You may obtain a copy of the License at:
14 # http://www.apache.org/licenses/LICENSE-2.0
16 # Unless required by applicable law or agreed to in writing, software
17 # distributed under the License is distributed on an "AS IS" BASIS,
18 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 # See the License for the specific language governing permissions and
20 # limitations under the License.
22 # Provides: openvswitch-switch
23 # Required-Start: $network $named $remote_fs $syslog
24 # Required-Stop: $remote_fs
25 # Default-Start: 2 3 4 5
27 # Short-Description: Open vSwitch switch
30 # source function library
31 if [ -f /etc/init.d/functions ]; then
32 . /etc/init.d/functions
33 elif [ -f /etc/rc.d/init.d/functions ]; then
34 . /etc/rc.d/init.d/functions
35 elif [ -f /lib/lsb/init-functions ]; then
36 . /lib/lsb/init-functions
38 echo "$0: missing LSB shell function library" >&2
42 if type action >/dev/null 2>&1; then
51 if [ $rc -eq 0 ] ; then
52 log_success_msg $"$STRING "
54 log_failure_msg $"$STRING "
60 test -e /etc/xensource-inventory && . /etc/xensource-inventory
61 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
62 if test -e /etc/xensource/network.conf; then
63 NETWORK_MODE=$(cat /etc/xensource/network.conf)
66 case ${NETWORK_MODE:=openvswitch} in
73 echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
78 # General config variables in /etc/sysconfig/openvswitch
79 if [ -f /etc/xensource-inventory ]; then
80 if test "$PRODUCT_VERSION" = "5.5.0"; then
81 # XenServer 5.5.0 needs ovs-brcompatd and /proc/net simulation.
82 : ${ENABLE_BRCOMPAT:=y}
83 : ${ENABLE_FAKE_PROC_NET:=y}
85 # Later versions don't need them.
86 : ${ENABLE_BRCOMPAT:=n}
87 : ${ENABLE_FAKE_PROC_NET:=n}
90 : ${ENABLE_BRCOMPAT:=y}
91 : ${ENABLE_FAKE_PROC_NET:=y}
93 : ${ENABLE_MONITOR:=y}
94 : ${FORCE_COREFILES:=y}
96 # Config variables specific to ovsdb-server
97 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers}
98 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
99 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
100 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
101 : ${OVSDB_SERVER_PRIORITY:=-10}
102 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
103 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
104 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
105 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
106 : ${OVSDB_SERVER_STRACE_LOG:=}
107 : ${OVSDB_SERVER_STRACE_OPT:=}
108 : ${OVSDB_SERVER_VALGRIND_LOG:=}
109 : ${OVSDB_SERVER_VALGRIND_OPT:=}
111 # Config variables specific to ovs-vswitchd
112 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
113 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
114 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
115 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
116 : ${VSWITCHD_PRIORITY:=-10}
117 : ${VSWITCHD_MLOCKALL:=yes}
118 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
119 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
120 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
121 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
122 : ${VSWITCHD_STRACE_LOG:=}
123 : ${VSWITCHD_STRACE_OPT:=}
124 : ${VSWITCHD_VALGRIND_LOG:=}
125 : ${VSWITCHD_VALGRIND_OPT:=}
127 # Config variables specific to ovs-brcompatd
128 : ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid}
129 : ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch}
130 : ${BRCOMPATD_PRIORITY:=-10}
131 : ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/ovs-brcompatd.log}
132 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
133 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
134 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
135 : ${BRCOMPATD_STRACE_LOG:=}
136 : ${BRCOMPATD_STRACE_OPT:=}
137 : ${BRCOMPATD_VALGRIND_LOG:=}
138 : ${BRCOMPATD_VALGRIND_OPT:=}
140 # Full paths to executables & modules
141 ovsdb_server="/usr/sbin/ovsdb-server"
142 ovsdb_tool="/usr/bin/ovsdb-tool"
143 vswitchd="/usr/sbin/ovs-vswitchd"
144 brcompatd="/usr/sbin/ovs-brcompatd"
145 dpctl="/usr/bin/ovs-dpctl"
146 appctl="/usr/bin/ovs-appctl"
147 ofctl="/usr/bin/ovs-ofctl"
148 vsctl="/usr/bin/ovs-vsctl"
150 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
151 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
152 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
157 if test "$ENABLE_MONITOR" = "y"; then
158 monitor_opt="--monitor"
163 function hup_monitor_external_ids {
164 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
165 action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-external-ids.pid`
170 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
173 function turn_on_corefiles {
177 function remove_all_dp {
178 for dp in $(dp_list); do
179 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
183 function insert_modules_if_required {
184 if ! lsmod | grep -q "openvswitch_mod"; then
185 action "Inserting llc module" modprobe llc
186 action "Inserting openvswitch module" modprobe openvswitch_mod
188 if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
189 action "Inserting brcompat module" modprobe brcompat_mod
193 function remove_modules {
194 if lsmod | grep -q "brcompat_mod"; then
195 action "Removing brcompat module" rmmod brcompat_mod.ko
197 if lsmod | grep -q "openvswitch_mod"; then
198 action "Removing openvswitch module" rmmod openvswitch_mod.ko
202 function start_daemon {
207 # cd to daemon's run_dir so core files get dumped into a sensible place.
208 eval local run_dir=\$${DAEMON}_RUN_DIR
209 if [ ! -d "$run_dir" ]; then
210 install -d -m 755 -o root -g root "$run_dir"
214 # Configure log levels.
215 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
216 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
217 eval local logfile=\$${DAEMON}_LOGFILE
218 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
219 if test -n "$file_loglevel" && test -n "$logfile"; then
220 install -d -m 755 -o root -g root `dirname "$logfile"`
221 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
224 # Configure leak checker.
225 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
226 if test -n "$memleak_logfile"; then
227 set -- "$@" --check-leaks="$memleak_logfile"
228 if test -e "$memleak_logfile"; then
229 mv "$memleak_logfile" "$memleak_logfile.prev"
233 # Configure debugging wrappers.
234 eval local strace_log=\$${DAEMON}_STRACE_LOG
235 eval local strace_opt=\$${DAEMON}_STRACE_OPT
236 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
237 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
238 if test -n "$strace_log" && test -n "$valgrind_log"; then
239 printf "Can not start with both VALGRIND and STRACE\n"
241 elif test -n "$strace_log"; then
243 set -- strace -o "$strace_log" $strace_opt "$@"
244 elif test -n "$valgrind_log"; then
246 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
248 local mode=production
249 eval local pidfile=\$${DAEMON}_PIDFILE
250 install -d -m 755 -o root -g root `dirname $pidfile`
251 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
254 # Configure niceness.
255 eval local priority=\$${DAEMON}_PRIORITY
256 if test -n "$priority"; then
257 set -- nice -n $priority "$@"
260 if test $mode = production; then
261 action "Starting `basename $BINARY`" "$@"
263 # Start in background and force a "success" message
264 action "Starting `basename $BINARY` with $mode debugging" true
269 function start_ovsdb_server {
270 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
271 for remote in $OVSDB_SERVER_REMOTES; do
272 set -- "$@" --remote="$remote"
274 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
275 start_daemon OVSDB_SERVER "$@"
278 function start_vswitchd {
279 local fake_proc_net_opt=
280 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
281 fake_proc_net_opt="--fake-proc-net"
285 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
286 mlockall_opt="--mlockall"
289 start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
290 "$VSWITCHD_OVSDB_SERVER"
293 function start_brcompatd {
294 start_daemon BRCOMPATD "$brcompatd" \
295 --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
296 "$VSWITCHD_OVSDB_SERVER"
299 function stop_daemon {
302 eval local pidfile=\$${DAEMON}_PIDFILE
303 if test -f "$pidfile"; then
304 local pid=$(cat "$pidfile")
305 action "Killing `basename $BINARY` ($pid)" kill $pid
306 for delay in .1 .25 .65 1 1 1 1; do
307 if kill -0 $pid >/dev/null 2>&1; then
317 function restart_approval {
319 # Don't prompt if invoked non-interactively.
326 Restarting Open vSwitch on a live server is not guaranteed to work. It is
327 provided as a convenience for those situations in which it does work.
330 read -s -r -n 1 -p "Continue with restart (y/N): " response
342 function set_system_ids {
343 if [ -f /etc/xensource-inventory ]; then
344 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
345 action "Configuring Open vSwitch system IDs" true
346 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
347 ovs-version="$OVS_VERSION" \
348 system-type="$PRODUCT_BRAND" \
349 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
350 external-ids:system-id="$INSTALLATION_UUID" \
351 external-ids:xs-system-uuid="$INSTALLATION_UUID"
353 if test -f /etc/openvswitch/install_uuid.conf; then
354 . /etc/openvswitch/install_uuid.conf
355 elif INSTALLATION_UUID=`uuidgen`; then
356 echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
358 log_failure_msg "missing uuidgen, could not generate system UUID"
361 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
362 external-ids:system-id="$INSTALLATION_UUID"
363 action "Configuring Open vSwitch system IDs" true
368 if [ "$FORCE_COREFILES" = "y" ]; then
372 insert_modules_if_required
374 # Increase the limit on the number of open file descriptors since
375 # ovs-vswitchd needs a few per bridge
379 iptables -I INPUT -p gre -j ACCEPT
381 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
382 if [ ! -e "$OVSDB_SERVER_DB" ]; then
383 warning "$OVSDB_SERVER_DB does not exist"
384 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
386 action "Creating empty database $OVSDB_SERVER_DB" true
387 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
389 # If schema version changed, then back up the old version.
390 oldver=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
391 if test "X$oldver" != "X$schemaver"; then
392 backup=$OVSDB_SERVER_DB.backup$oldver
393 action "Backing up $OVSDB_SERVER_DB in $backup before converting from schema version \"$oldver\" to \"$schemaver\"" true
394 cp "$OVSDB_SERVER_DB" "$backup"
397 # Upgrade or downgrade schema and compact database.
398 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
402 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
403 if [ ! -e /var/run/openvswitch.booted ]; then
404 touch /var/run/openvswitch.booted
405 for bridge in $($vsctl list-br); do
406 $vsctl --no-wait --timeout=5 del-br $bridge
413 if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
417 if [ -f /etc/xensource-inventory ]; then
418 # Start daemon to monitor external ids
419 PYTHONPATH=/usr/share/openvswitch/python \
420 /usr/share/openvswitch/scripts/ovs-external-ids \
421 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
424 touch /var/lock/subsys/openvswitch
428 stop_daemon BRCOMPATD "$brcompatd"
429 stop_daemon VSWITCHD "$vswitchd"
430 stop_daemon OVSDB_SERVER "$ovsdb_server"
431 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
432 kill `cat /var/run/openvswitch/ovs-external-ids.pid`
434 rm -f /var/lock/subsys/openvswitch
438 if restart_approval; then
455 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
456 # configuration up-to-date all the time. HUP ovs-external-ids so it
458 hup_monitor_external_ids
462 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
466 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
469 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
470 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd &&
471 (test "$ENABLE_BRCOMPAT" != "y" ||
472 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd)
475 /usr/sbin/ovsdb-server -V
476 /usr/sbin/ovs-vswitchd -V
477 /usr/sbin/ovs-brcompatd -V
480 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
483 printf "Unknown command: $1\n"