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
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`
169 function turn_on_corefiles {
173 function remove_all_dp {
174 for dp in $($dpctl dump-dps); do
175 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
179 function insert_modules_if_required {
180 if test -e /sys/module/bridge; then
181 bridges=`echo /sys/class/net/*/bridge | sed 's,/sys/class/net/,,g;s,/bridge,,g'`
182 if test "$bridges" != "*"; then
183 log_warning_msg "not removing bridge module because bridges exist ($bridges)"
185 action "removing bridge module" rmmod bridge
188 if ! lsmod | grep -q "openvswitch_mod"; then
189 action "Inserting llc module" modprobe llc
190 action "Inserting openvswitch module" modprobe openvswitch_mod
192 if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
193 action "Inserting brcompat module" modprobe brcompat_mod
197 function remove_modules {
198 if lsmod | grep -q "brcompat_mod"; then
199 action "Removing brcompat module" rmmod brcompat_mod.ko
201 if lsmod | grep -q "openvswitch_mod"; then
202 action "Removing openvswitch module" rmmod openvswitch_mod.ko
206 function start_daemon {
211 # cd to daemon's run_dir so core files get dumped into a sensible place.
212 eval local run_dir=\$${DAEMON}_RUN_DIR
213 if [ ! -d "$run_dir" ]; then
214 install -d -m 755 -o root -g root "$run_dir"
218 # Configure log levels.
219 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
220 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
221 eval local logfile=\$${DAEMON}_LOGFILE
222 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
223 if test -n "$file_loglevel" && test -n "$logfile"; then
224 install -d -m 755 -o root -g root `dirname "$logfile"`
225 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
228 # Configure leak checker.
229 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
230 if test -n "$memleak_logfile"; then
231 set -- "$@" --check-leaks="$memleak_logfile"
232 if test -e "$memleak_logfile"; then
233 mv "$memleak_logfile" "$memleak_logfile.prev"
237 # Configure debugging wrappers.
238 eval local strace_log=\$${DAEMON}_STRACE_LOG
239 eval local strace_opt=\$${DAEMON}_STRACE_OPT
240 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
241 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
242 if test -n "$strace_log" && test -n "$valgrind_log"; then
243 printf "Can not start with both VALGRIND and STRACE\n"
245 elif test -n "$strace_log"; then
247 set -- strace -o "$strace_log" $strace_opt "$@"
248 elif test -n "$valgrind_log"; then
250 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
252 local mode=production
253 eval local pidfile=\$${DAEMON}_PIDFILE
254 install -d -m 755 -o root -g root `dirname $pidfile`
255 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
258 # Configure niceness.
259 eval local priority=\$${DAEMON}_PRIORITY
260 if test -n "$priority"; then
261 set -- nice -n $priority "$@"
264 if test $mode = production; then
265 action "Starting `basename $BINARY`" "$@"
267 # Start in background and force a "success" message
268 action "Starting `basename $BINARY` with $mode debugging" true
273 function start_ovsdb_server {
274 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
275 for remote in $OVSDB_SERVER_REMOTES; do
276 set -- "$@" --remote="$remote"
278 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
279 start_daemon OVSDB_SERVER "$@"
282 function start_vswitchd {
283 local fake_proc_net_opt=
284 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
285 fake_proc_net_opt="--fake-proc-net"
289 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
290 mlockall_opt="--mlockall"
293 start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
294 "$VSWITCHD_OVSDB_SERVER"
297 function start_brcompatd {
298 start_daemon BRCOMPATD "$brcompatd" \
299 --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
300 "$VSWITCHD_OVSDB_SERVER"
303 function stop_daemon {
306 eval local pidfile=\$${DAEMON}_PIDFILE
307 if test -f "$pidfile"; then
308 local pid=$(cat "$pidfile")
309 action "Killing `basename $BINARY` ($pid)" kill $pid
310 for delay in .1 .25 .65 1 1 1 1; do
311 if kill -0 $pid >/dev/null 2>&1; then
321 function restart_approval {
323 # Don't prompt if invoked non-interactively.
330 Restarting Open vSwitch on a live server is not guaranteed to work. It is
331 provided as a convenience for those situations in which it does work.
334 read -s -r -n 1 -p "Continue with restart (y/N): " response
346 function set_system_ids {
347 if [ -f /etc/xensource-inventory ]; then
348 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
349 action "Configuring Open vSwitch system IDs" true
350 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
351 ovs-version="$OVS_VERSION" \
352 system-type="$PRODUCT_BRAND" \
353 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
354 external-ids:system-id="$INSTALLATION_UUID" \
355 external-ids:xs-system-uuid="$INSTALLATION_UUID"
357 if test -f /etc/openvswitch/install_uuid.conf; then
358 . /etc/openvswitch/install_uuid.conf
359 elif INSTALLATION_UUID=`uuidgen`; then
360 echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
362 log_failure_msg "missing uuidgen, could not generate system UUID"
365 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
366 external-ids:system-id="$INSTALLATION_UUID"
367 action "Configuring Open vSwitch system IDs" true
372 if [ "$FORCE_COREFILES" = "y" ]; then
376 insert_modules_if_required
378 # Increase the limit on the number of open file descriptors since
379 # ovs-vswitchd needs a few per bridge
383 iptables -I INPUT -p gre -j ACCEPT
385 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
386 if [ ! -e "$OVSDB_SERVER_DB" ]; then
387 warning "$OVSDB_SERVER_DB does not exist"
388 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
390 action "Creating empty database $OVSDB_SERVER_DB" true
391 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
393 # If schema version changed, then back up the old version.
394 oldver=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
395 if test "X$oldver" != "X$schemaver"; then
396 backup=$OVSDB_SERVER_DB.backup$oldver
397 action "Backing up $OVSDB_SERVER_DB in $backup before converting from schema version \"$oldver\" to \"$schemaver\"" true
398 cp "$OVSDB_SERVER_DB" "$backup"
401 # Upgrade or downgrade schema and compact database.
402 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
406 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
407 if [ ! -e /var/run/openvswitch.booted ]; then
408 touch /var/run/openvswitch.booted
409 for bridge in $($vsctl list-br); do
410 $vsctl --no-wait --timeout=5 del-br $bridge
417 if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
421 if [ -f /etc/xensource-inventory ]; then
422 # Start daemon to monitor external ids
423 PYTHONPATH=/usr/share/openvswitch/python \
424 /usr/share/openvswitch/scripts/ovs-external-ids \
425 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
428 touch /var/lock/subsys/openvswitch
432 stop_daemon BRCOMPATD "$brcompatd"
433 stop_daemon VSWITCHD "$vswitchd"
434 stop_daemon OVSDB_SERVER "$ovsdb_server"
435 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
436 kill `cat /var/run/openvswitch/ovs-external-ids.pid`
438 rm -f /var/lock/subsys/openvswitch
442 if restart_approval; then
459 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
460 # configuration up-to-date all the time. HUP ovs-external-ids so it
462 hup_monitor_external_ids
466 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
470 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
473 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
474 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd &&
475 (test "$ENABLE_BRCOMPAT" != "y" ||
476 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd)
479 /usr/sbin/ovsdb-server -V
480 /usr/sbin/ovs-vswitchd -V
481 /usr/sbin/ovs-brcompatd -V
484 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
487 printf "Unknown command: $1\n"