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 : ${ENABLE_MONITOR:=y}
79 : ${FORCE_COREFILES:=y}
81 # Config variables specific to ovsdb-server
82 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,manager_options}
83 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
84 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
85 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
86 : ${OVSDB_SERVER_PRIORITY:=-10}
87 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
88 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
89 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
90 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
91 : ${OVSDB_SERVER_STRACE_LOG:=}
92 : ${OVSDB_SERVER_STRACE_OPT:=}
93 : ${OVSDB_SERVER_VALGRIND_LOG:=}
94 : ${OVSDB_SERVER_VALGRIND_OPT:=}
96 # Config variables specific to ovs-vswitchd
97 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
98 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
99 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
100 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
101 : ${VSWITCHD_PRIORITY:=-10}
102 : ${VSWITCHD_MLOCKALL:=yes}
103 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
104 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
105 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
106 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
107 : ${VSWITCHD_STRACE_LOG:=}
108 : ${VSWITCHD_STRACE_OPT:=}
109 : ${VSWITCHD_VALGRIND_LOG:=}
110 : ${VSWITCHD_VALGRIND_OPT:=}
112 # Full paths to executables & modules
113 ovsdb_server="/usr/sbin/ovsdb-server"
114 ovsdb_tool="/usr/bin/ovsdb-tool"
115 vswitchd="/usr/sbin/ovs-vswitchd"
116 dpctl="/usr/bin/ovs-dpctl"
117 appctl="/usr/bin/ovs-appctl"
118 ofctl="/usr/bin/ovs-ofctl"
119 vsctl="/usr/bin/ovs-vsctl"
121 if test "$ENABLE_MONITOR" = "y"; then
122 monitor_opt="--monitor"
127 function hup_monitor_external_ids {
128 if [ -e /var/run/openvswitch/ovs-xapi-sync.pid ]; then
129 action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-xapi-sync.pid`
133 function turn_on_corefiles {
137 function remove_all_dp {
138 for dp in $($dpctl dump-dps); do
139 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
143 function insert_modules_if_required {
144 if test -e /sys/module/bridge; then
145 bridges=`echo /sys/class/net/*/bridge | sed 's,/sys/class/net/,,g;s,/bridge,,g'`
146 if test "$bridges" != "*"; then
147 log_warning_msg "not removing bridge module because bridges exist ($bridges)"
149 action "removing bridge module" rmmod bridge
152 if ! lsmod | grep -q "openvswitch_mod"; then
153 action "Inserting llc module" modprobe llc
154 action "Inserting openvswitch module" modprobe openvswitch_mod
158 function remove_modules {
159 if lsmod | grep -q "openvswitch_mod"; then
160 action "Removing openvswitch module" rmmod openvswitch_mod.ko
164 function start_daemon {
169 # cd to daemon's run_dir so core files get dumped into a sensible place.
170 eval local run_dir=\$${DAEMON}_RUN_DIR
171 if [ ! -d "$run_dir" ]; then
172 install -d -m 755 -o root -g root "$run_dir"
176 # Configure log levels.
177 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
178 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
179 eval local logfile=\$${DAEMON}_LOGFILE
180 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
181 if test -n "$file_loglevel" && test -n "$logfile"; then
182 install -d -m 755 -o root -g root `dirname "$logfile"`
183 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
186 # Configure leak checker.
187 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
188 if test -n "$memleak_logfile"; then
189 set -- "$@" --check-leaks="$memleak_logfile"
190 if test -e "$memleak_logfile"; then
191 mv "$memleak_logfile" "$memleak_logfile.prev"
195 # Configure debugging wrappers.
196 eval local strace_log=\$${DAEMON}_STRACE_LOG
197 eval local strace_opt=\$${DAEMON}_STRACE_OPT
198 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
199 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
200 if test -n "$strace_log" && test -n "$valgrind_log"; then
201 printf "Can not start with both VALGRIND and STRACE\n"
203 elif test -n "$strace_log"; then
205 set -- strace -o "$strace_log" $strace_opt "$@"
206 elif test -n "$valgrind_log"; then
208 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
210 local mode=production
211 eval local pidfile=\$${DAEMON}_PIDFILE
212 install -d -m 755 -o root -g root `dirname $pidfile`
213 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
216 # Configure niceness.
217 eval local priority=\$${DAEMON}_PRIORITY
218 if test -n "$priority"; then
219 set -- nice -n $priority "$@"
222 if test $mode = production; then
223 action "Starting `basename $BINARY`" "$@"
225 # Start in background and force a "success" message
226 action "Starting `basename $BINARY` with $mode debugging" true
231 function start_ovsdb_server {
232 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
233 for remote in $OVSDB_SERVER_REMOTES; do
234 set -- "$@" --remote="$remote"
236 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
237 start_daemon OVSDB_SERVER "$@"
240 function start_vswitchd {
242 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
243 mlockall_opt="--mlockall"
246 start_daemon VSWITCHD "$vswitchd" $mlockall_opt "$VSWITCHD_OVSDB_SERVER"
249 function stop_daemon {
252 eval local pidfile=\$${DAEMON}_PIDFILE
253 if test -f "$pidfile"; then
254 local pid=$(cat "$pidfile")
255 action "Killing `basename $BINARY` ($pid)" kill $pid
256 for delay in .1 .25 .65 1 1 1 1; do
257 if kill -0 $pid >/dev/null 2>&1; then
267 function restart_approval {
269 # Don't prompt if invoked non-interactively.
276 Restarting Open vSwitch on a live server is not guaranteed to work. It is
277 provided as a convenience for those situations in which it does work.
280 read -s -r -n 1 -p "Continue with restart (y/N): " response
292 function set_system_ids {
293 if [ -f /etc/xensource-inventory ]; then
294 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
295 action "Configuring Open vSwitch system IDs" true
296 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
297 ovs-version="$OVS_VERSION" \
298 system-type="$PRODUCT_BRAND" \
299 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
300 external-ids:system-id="$INSTALLATION_UUID" \
301 external-ids:xs-system-uuid="$INSTALLATION_UUID"
303 if test -f /etc/openvswitch/install_uuid.conf; then
304 . /etc/openvswitch/install_uuid.conf
305 elif INSTALLATION_UUID=`uuidgen`; then
306 echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
308 log_failure_msg "missing uuidgen, could not generate system UUID"
311 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
312 external-ids:system-id="$INSTALLATION_UUID"
313 action "Configuring Open vSwitch system IDs" true
318 if [ "$FORCE_COREFILES" = "y" ]; then
322 insert_modules_if_required
324 # Increase the limit on the number of open file descriptors since
325 # ovs-vswitchd needs a few per bridge
329 iptables -I INPUT -p gre -j ACCEPT
331 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
332 if [ ! -e "$OVSDB_SERVER_DB" ]; then
333 warning "$OVSDB_SERVER_DB does not exist"
334 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
336 action "Creating empty database $OVSDB_SERVER_DB" true
337 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
338 elif test "X`$ovsdb_tool needs-conversion "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"`" != Xno; then
339 # Back up the old version.
340 version=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
341 cksum=`$ovsdb_tool db-cksum "$OVSDB_SERVER_DB" | awk '{print $1}'`
342 cp "$OVSDB_SERVER_DB" "$OVSDB_SERVER_DB.backup$version-$cksum"
344 # Compact database. This is important if the old schema did not enable
345 # garbage collection (i.e. if it did not have any tables with "isRoot":
346 # true) but the new schema does. In that situation the old database
347 # may contain a transaction that creates a record followed by a
348 # transaction that creates the first use of the record. Replaying that
349 # series of transactions against the new database schema (as "convert"
350 # does) would cause the record to be dropped by the first transaction,
351 # then the second transaction would cause a referential integrity
352 # failure (for a strong reference).
353 $ovsdb_tool -vANY:console:emer compact "$OVSDB_SERVER_DB"
355 # Upgrade or downgrade schema.
356 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
360 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
361 if [ ! -e /var/run/openvswitch.booted ]; then
362 touch /var/run/openvswitch.booted
363 for bridge in $($vsctl list-br); do
364 $vsctl --no-wait --timeout=5 del-br $bridge
372 if [ -f /etc/xensource-inventory ]; then
373 # Start daemon to monitor external ids
374 PYTHONPATH=/usr/share/openvswitch/python \
375 /usr/share/openvswitch/scripts/ovs-xapi-sync \
376 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
379 touch /var/lock/subsys/openvswitch
383 stop_daemon VSWITCHD "$vswitchd"
384 stop_daemon OVSDB_SERVER "$ovsdb_server"
385 if [ -e /var/run/openvswitch/ovs-xapi-sync.pid ]; then
386 kill `cat /var/run/openvswitch/ovs-xapi-sync.pid`
388 rm -f /var/lock/subsys/openvswitch
392 if restart_approval; then
398 function internal_interfaces {
399 # Outputs a list of internal interfaces:
401 # - There is an internal interface for every bridge, whether it has
402 # an Interface record or not and whether the Interface record's
403 # 'type' is properly set.
405 # - There is an internal interface for each Interface record whose
406 # 'type' is 'internal'.
408 # But ignore interfaces that don't really exist.
409 for d in `(ovs-vsctl --bare \
410 -- --columns=name find Interface type=internal \
411 -- list-br) | sort -u`
413 if test -e "/sys/class/net/$d"; then
419 function force_reload_kmod {
420 ifaces=$(internal_interfaces)
421 action "Configured internal interfaces: $ifaces" true
426 action "Save interface configuration to $script" true
427 if ! /usr/share/openvswitch/scripts/ovs-save $ifaces > $script; then
428 warning "Failed to save configuration, not replacing kernel module"
434 action "Destroy datapaths" remove_all_dp
440 action "Restore interface configuration from $script" $script
454 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
455 # configuration up-to-date all the time. HUP ovs-xapi-sync so it
457 hup_monitor_external_ids
461 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
464 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
465 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
468 /usr/sbin/ovsdb-server -V
469 /usr/sbin/ovs-vswitchd -V
475 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
478 printf "Unknown command: $1\n"