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 . /etc/xensource-inventory
61 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
63 NETWORK_MODE=$(cat /etc/xensource/network.conf)
71 echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
76 # General config variables in /etc/sysconfig/openvswitch
77 if test "$PRODUCT_VERSION" = "5.5.0"; then
78 # XenServer 5.5.0 needs ovs-brcompatd and /proc/net simulation.
79 : ${ENABLE_BRCOMPAT:=y}
80 : ${ENABLE_FAKE_PROC_NET:=y}
82 # Later versions don't need them.
83 : ${ENABLE_BRCOMPAT:=n}
84 : ${ENABLE_FAKE_PROC_NET:=n}
86 : ${ENABLE_MONITOR:=y}
87 : ${FORCE_COREFILES:=y}
89 # Config variables specific to ovsdb-server
90 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers}
91 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
92 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
93 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
94 : ${OVSDB_SERVER_PRIORITY:=-10}
95 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
96 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
97 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
98 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
99 : ${OVSDB_SERVER_STRACE_LOG:=}
100 : ${OVSDB_SERVER_STRACE_OPT:=}
101 : ${OVSDB_SERVER_VALGRIND_LOG:=}
102 : ${OVSDB_SERVER_VALGRIND_OPT:=}
104 # Config variables specific to ovs-vswitchd
105 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
106 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
107 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
108 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
109 : ${VSWITCHD_PRIORITY:=-10}
110 : ${VSWITCHD_MLOCKALL:=yes}
111 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
112 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
113 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
114 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
115 : ${VSWITCHD_STRACE_LOG:=}
116 : ${VSWITCHD_STRACE_OPT:=}
117 : ${VSWITCHD_VALGRIND_LOG:=}
118 : ${VSWITCHD_VALGRIND_OPT:=}
120 # Config variables specific to ovs-brcompatd
121 : ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid}
122 : ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch}
123 : ${BRCOMPATD_PRIORITY:=-10}
124 : ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/ovs-brcompatd.log}
125 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
126 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
127 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
128 : ${BRCOMPATD_STRACE_LOG:=}
129 : ${BRCOMPATD_STRACE_OPT:=}
130 : ${BRCOMPATD_VALGRIND_LOG:=}
131 : ${BRCOMPATD_VALGRIND_OPT:=}
133 # Full paths to executables & modules
134 ovsdb_server="/usr/sbin/ovsdb-server"
135 ovsdb_tool="/usr/bin/ovsdb-tool"
136 vswitchd="/usr/sbin/ovs-vswitchd"
137 brcompatd="/usr/sbin/ovs-brcompatd"
138 dpctl="/usr/bin/ovs-dpctl"
139 appctl="/usr/bin/ovs-appctl"
140 ofctl="/usr/bin/ovs-ofctl"
141 vsctl="/usr/bin/ovs-vsctl"
143 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
144 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
145 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
150 if test "$ENABLE_MONITOR" = "y"; then
151 monitor_opt="--monitor"
156 function hup_monitor_external_ids {
157 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
158 action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-external-ids.pid`
163 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
166 function turn_on_corefiles {
170 function remove_all_dp {
171 for dp in $(dp_list); do
172 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
176 function insert_modules_if_required {
177 if ! lsmod | grep -q "openvswitch_mod"; then
178 action "Inserting llc module" modprobe llc
179 action "Inserting openvswitch module" modprobe openvswitch_mod
181 if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
182 action "Inserting brcompat module" modprobe brcompat_mod
186 function remove_modules {
187 if lsmod | grep -q "brcompat_mod"; then
188 action "Removing brcompat module" rmmod brcompat_mod.ko
190 if lsmod | grep -q "openvswitch_mod"; then
191 action "Removing openvswitch module" rmmod openvswitch_mod.ko
195 function start_daemon {
200 # cd to daemon's run_dir so core files get dumped into a sensible place.
201 eval local run_dir=\$${DAEMON}_RUN_DIR
202 if [ ! -d "$run_dir" ]; then
203 install -d -m 755 -o root -g root "$run_dir"
207 # Configure log levels.
208 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
209 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
210 eval local logfile=\$${DAEMON}_LOGFILE
211 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
212 if test -n "$file_loglevel" && test -n "$logfile"; then
213 install -d -m 755 -o root -g root `dirname "$logfile"`
214 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
217 # Configure leak checker.
218 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
219 if test -n "$memleak_logfile"; then
220 set -- "$@" --check-leaks="$memleak_logfile"
221 if test -e "$memleak_logfile"; then
222 mv "$memleak_logfile" "$memleak_logfile.prev"
226 # Configure debugging wrappers.
227 eval local strace_log=\$${DAEMON}_STRACE_LOG
228 eval local strace_opt=\$${DAEMON}_STRACE_OPT
229 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
230 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
231 if test -n "$strace_log" && test -n "$valgrind_log"; then
232 printf "Can not start with both VALGRIND and STRACE\n"
234 elif test -n "$strace_log"; then
236 set -- strace -o "$strace_log" $strace_opt "$@"
237 elif test -n "$valgrind_log"; then
239 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
241 local mode=production
242 eval local pidfile=\$${DAEMON}_PIDFILE
243 install -d -m 755 -o root -g root `dirname $pidfile`
244 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
247 # Configure niceness.
248 eval local priority=\$${DAEMON}_PRIORITY
249 if test -n "$priority"; then
250 set -- nice -n $priority "$@"
253 if test $mode = production; then
254 action "Starting `basename $BINARY`" "$@"
256 # Start in background and force a "success" message
257 action "Starting `basename $BINARY` with $mode debugging" true
262 function start_ovsdb_server {
263 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
264 for remote in $OVSDB_SERVER_REMOTES; do
265 set -- "$@" --remote="$remote"
267 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
268 start_daemon OVSDB_SERVER "$@"
271 function start_vswitchd {
272 local fake_proc_net_opt=
273 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
274 fake_proc_net_opt="--fake-proc-net"
278 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
279 mlockall_opt="--mlockall"
282 start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
283 "$VSWITCHD_OVSDB_SERVER"
286 function start_brcompatd {
287 start_daemon BRCOMPATD "$brcompatd" \
288 --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
289 "$VSWITCHD_OVSDB_SERVER"
292 function stop_daemon {
295 eval local pidfile=\$${DAEMON}_PIDFILE
296 if test -f "$pidfile"; then
297 local pid=$(cat "$pidfile")
298 action "Killing `basename $BINARY` ($pid)" kill $pid
299 for delay in .1 .25 .65 1 1 1 1; do
300 if kill -0 $pid >/dev/null 2>&1; then
310 function restart_approval {
312 # Don't prompt if invoked non-interactively.
319 Restarting Open vSwitch on a live server is not guaranteed to work. It is
320 provided as a convenience for those situations in which it does work.
323 read -s -r -n 1 -p "Continue with restart (y/N): " response
335 function set_system_ids {
336 if [ -f /etc/xensource-inventory ]; then
337 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
338 action "Configuring Open vSwitch system IDs" true
339 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
340 ovs-version="$OVS_VERSION" \
341 system-type="$PRODUCT_BRAND" \
342 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
343 external-ids:system-id="$INSTALLATION_UUID" \
344 external-ids:xs-system-uuid="$INSTALLATION_UUID"
346 if test -f /etc/openvswitch/install_uuid.conf; then
347 . /etc/openvswitch/install_uuid.conf
348 elif INSTALLATION_UUID=`uuidgen`; then
349 echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
351 log_failure_msg "missing uuidgen, could not generate system UUID"
354 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
355 external-ids:system-id="$INSTALLATION_UUID"
356 action "Configuring Open vSwitch system IDs" true
361 if [ "$FORCE_COREFILES" = "y" ]; then
365 insert_modules_if_required
367 # Increase the limit on the number of open file descriptors since
368 # ovs-vswitchd needs a few per bridge
372 iptables -I INPUT -p gre -j ACCEPT
374 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
375 if [ ! -e "$OVSDB_SERVER_DB" ]; then
376 warning "$OVSDB_SERVER_DB does not exist"
377 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
379 action "Creating empty database $OVSDB_SERVER_DB" true
380 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
382 # If schema version changed, then back up the old version.
383 oldver=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
384 if test "X$oldver" != "X$schemaver"; then
385 backup=$OVSDB_SERVER_DB.backup$oldver
386 action "Backing up $OVSDB_SERVER_DB in $backup before converting from schema version \"$oldver\" to \"$schemaver\"" true
387 cp "$OVSDB_SERVER_DB" "$backup"
390 # Upgrade or downgrade schema and compact database.
391 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
395 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
396 if [ ! -e /var/run/openvswitch.booted ]; then
397 touch /var/run/openvswitch.booted
398 for bridge in $($vsctl list-br); do
399 $vsctl --no-wait --timeout=5 del-br $bridge
406 if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
410 if [ -f /etc/xensource-inventory ]; then
411 # Start daemon to monitor external ids
412 PYTHONPATH=/usr/share/openvswitch/python \
413 /usr/share/openvswitch/scripts/ovs-external-ids \
414 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
417 touch /var/lock/subsys/openvswitch
421 stop_daemon BRCOMPATD "$brcompatd"
422 stop_daemon VSWITCHD "$vswitchd"
423 stop_daemon OVSDB_SERVER "$ovsdb_server"
424 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
425 kill `cat /var/run/openvswitch/ovs-external-ids.pid`
427 rm -f /var/lock/subsys/openvswitch
431 if restart_approval; then
448 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
449 # configuration up-to-date all the time. HUP ovs-external-ids so it
451 hup_monitor_external_ids
455 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
459 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
462 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
463 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd &&
464 (test "$ENABLE_BRCOMPAT" != "y" ||
465 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd)
468 /usr/sbin/ovsdb-server -V
469 /usr/sbin/ovs-vswitchd -V
470 /usr/sbin/ovs-brcompatd -V
473 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
476 printf "Unknown command: $1\n"