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 ${NETWORK_MODE:=openvswitch} in
73 echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
78 # General config variables in /etc/sysconfig/openvswitch
79 if test "$PRODUCT_VERSION" = "5.5.0"; then
80 # XenServer 5.5.0 needs ovs-brcompatd and /proc/net simulation.
81 : ${ENABLE_BRCOMPAT:=y}
82 : ${ENABLE_FAKE_PROC_NET:=y}
84 # Later versions don't need them.
85 : ${ENABLE_BRCOMPAT:=n}
86 : ${ENABLE_FAKE_PROC_NET:=n}
88 : ${ENABLE_MONITOR:=y}
89 : ${FORCE_COREFILES:=y}
91 # Config variables specific to ovsdb-server
92 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers}
93 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
94 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
95 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
96 : ${OVSDB_SERVER_PRIORITY:=-10}
97 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
98 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
99 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
100 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
101 : ${OVSDB_SERVER_STRACE_LOG:=}
102 : ${OVSDB_SERVER_STRACE_OPT:=}
103 : ${OVSDB_SERVER_VALGRIND_LOG:=}
104 : ${OVSDB_SERVER_VALGRIND_OPT:=}
106 # Config variables specific to ovs-vswitchd
107 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
108 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
109 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
110 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
111 : ${VSWITCHD_PRIORITY:=-10}
112 : ${VSWITCHD_MLOCKALL:=yes}
113 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
114 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
115 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
116 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
117 : ${VSWITCHD_STRACE_LOG:=}
118 : ${VSWITCHD_STRACE_OPT:=}
119 : ${VSWITCHD_VALGRIND_LOG:=}
120 : ${VSWITCHD_VALGRIND_OPT:=}
122 # Config variables specific to ovs-brcompatd
123 : ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid}
124 : ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch}
125 : ${BRCOMPATD_PRIORITY:=-10}
126 : ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/ovs-brcompatd.log}
127 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
128 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
129 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
130 : ${BRCOMPATD_STRACE_LOG:=}
131 : ${BRCOMPATD_STRACE_OPT:=}
132 : ${BRCOMPATD_VALGRIND_LOG:=}
133 : ${BRCOMPATD_VALGRIND_OPT:=}
135 # Full paths to executables & modules
136 ovsdb_server="/usr/sbin/ovsdb-server"
137 ovsdb_tool="/usr/bin/ovsdb-tool"
138 vswitchd="/usr/sbin/ovs-vswitchd"
139 brcompatd="/usr/sbin/ovs-brcompatd"
140 dpctl="/usr/bin/ovs-dpctl"
141 appctl="/usr/bin/ovs-appctl"
142 ofctl="/usr/bin/ovs-ofctl"
143 vsctl="/usr/bin/ovs-vsctl"
145 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
146 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
147 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
152 if test "$ENABLE_MONITOR" = "y"; then
153 monitor_opt="--monitor"
158 function hup_monitor_external_ids {
159 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
160 action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-external-ids.pid`
165 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
168 function turn_on_corefiles {
172 function remove_all_dp {
173 for dp in $(dp_list); do
174 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
178 function insert_modules_if_required {
179 if ! lsmod | grep -q "openvswitch_mod"; then
180 action "Inserting llc module" modprobe llc
181 action "Inserting openvswitch module" modprobe openvswitch_mod
183 if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
184 action "Inserting brcompat module" modprobe brcompat_mod
188 function remove_modules {
189 if lsmod | grep -q "brcompat_mod"; then
190 action "Removing brcompat module" rmmod brcompat_mod.ko
192 if lsmod | grep -q "openvswitch_mod"; then
193 action "Removing openvswitch module" rmmod openvswitch_mod.ko
197 function start_daemon {
202 # cd to daemon's run_dir so core files get dumped into a sensible place.
203 eval local run_dir=\$${DAEMON}_RUN_DIR
204 if [ ! -d "$run_dir" ]; then
205 install -d -m 755 -o root -g root "$run_dir"
209 # Configure log levels.
210 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
211 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
212 eval local logfile=\$${DAEMON}_LOGFILE
213 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
214 if test -n "$file_loglevel" && test -n "$logfile"; then
215 install -d -m 755 -o root -g root `dirname "$logfile"`
216 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
219 # Configure leak checker.
220 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
221 if test -n "$memleak_logfile"; then
222 set -- "$@" --check-leaks="$memleak_logfile"
223 if test -e "$memleak_logfile"; then
224 mv "$memleak_logfile" "$memleak_logfile.prev"
228 # Configure debugging wrappers.
229 eval local strace_log=\$${DAEMON}_STRACE_LOG
230 eval local strace_opt=\$${DAEMON}_STRACE_OPT
231 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
232 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
233 if test -n "$strace_log" && test -n "$valgrind_log"; then
234 printf "Can not start with both VALGRIND and STRACE\n"
236 elif test -n "$strace_log"; then
238 set -- strace -o "$strace_log" $strace_opt "$@"
239 elif test -n "$valgrind_log"; then
241 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
243 local mode=production
244 eval local pidfile=\$${DAEMON}_PIDFILE
245 install -d -m 755 -o root -g root `dirname $pidfile`
246 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
249 # Configure niceness.
250 eval local priority=\$${DAEMON}_PRIORITY
251 if test -n "$priority"; then
252 set -- nice -n $priority "$@"
255 if test $mode = production; then
256 action "Starting `basename $BINARY`" "$@"
258 # Start in background and force a "success" message
259 action "Starting `basename $BINARY` with $mode debugging" true
264 function start_ovsdb_server {
265 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
266 for remote in $OVSDB_SERVER_REMOTES; do
267 set -- "$@" --remote="$remote"
269 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
270 start_daemon OVSDB_SERVER "$@"
273 function start_vswitchd {
274 local fake_proc_net_opt=
275 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
276 fake_proc_net_opt="--fake-proc-net"
280 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
281 mlockall_opt="--mlockall"
284 start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
285 "$VSWITCHD_OVSDB_SERVER"
288 function start_brcompatd {
289 start_daemon BRCOMPATD "$brcompatd" \
290 --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
291 "$VSWITCHD_OVSDB_SERVER"
294 function stop_daemon {
297 eval local pidfile=\$${DAEMON}_PIDFILE
298 if test -f "$pidfile"; then
299 local pid=$(cat "$pidfile")
300 action "Killing `basename $BINARY` ($pid)" kill $pid
301 for delay in .1 .25 .65 1 1 1 1; do
302 if kill -0 $pid >/dev/null 2>&1; then
312 function restart_approval {
314 # Don't prompt if invoked non-interactively.
321 Restarting Open vSwitch on a live server is not guaranteed to work. It is
322 provided as a convenience for those situations in which it does work.
325 read -s -r -n 1 -p "Continue with restart (y/N): " response
337 function set_system_ids {
338 if [ -f /etc/xensource-inventory ]; then
339 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
340 action "Configuring Open vSwitch system IDs" true
341 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
342 ovs-version="$OVS_VERSION" \
343 system-type="$PRODUCT_BRAND" \
344 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
345 external-ids:system-id="$INSTALLATION_UUID" \
346 external-ids:xs-system-uuid="$INSTALLATION_UUID"
348 if test -f /etc/openvswitch/install_uuid.conf; then
349 . /etc/openvswitch/install_uuid.conf
350 elif INSTALLATION_UUID=`uuidgen`; then
351 echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
353 log_failure_msg "missing uuidgen, could not generate system UUID"
356 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
357 external-ids:system-id="$INSTALLATION_UUID"
358 action "Configuring Open vSwitch system IDs" true
363 if [ "$FORCE_COREFILES" = "y" ]; then
367 insert_modules_if_required
369 # Increase the limit on the number of open file descriptors since
370 # ovs-vswitchd needs a few per bridge
374 iptables -I INPUT -p gre -j ACCEPT
376 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
377 if [ ! -e "$OVSDB_SERVER_DB" ]; then
378 warning "$OVSDB_SERVER_DB does not exist"
379 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
381 action "Creating empty database $OVSDB_SERVER_DB" true
382 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
384 # If schema version changed, then back up the old version.
385 oldver=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
386 if test "X$oldver" != "X$schemaver"; then
387 backup=$OVSDB_SERVER_DB.backup$oldver
388 action "Backing up $OVSDB_SERVER_DB in $backup before converting from schema version \"$oldver\" to \"$schemaver\"" true
389 cp "$OVSDB_SERVER_DB" "$backup"
392 # Upgrade or downgrade schema and compact database.
393 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
397 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
398 if [ ! -e /var/run/openvswitch.booted ]; then
399 touch /var/run/openvswitch.booted
400 for bridge in $($vsctl list-br); do
401 $vsctl --no-wait --timeout=5 del-br $bridge
408 if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
412 if [ -f /etc/xensource-inventory ]; then
413 # Start daemon to monitor external ids
414 PYTHONPATH=/usr/share/openvswitch/python \
415 /usr/share/openvswitch/scripts/ovs-external-ids \
416 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
419 touch /var/lock/subsys/openvswitch
423 stop_daemon BRCOMPATD "$brcompatd"
424 stop_daemon VSWITCHD "$vswitchd"
425 stop_daemon OVSDB_SERVER "$ovsdb_server"
426 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
427 kill `cat /var/run/openvswitch/ovs-external-ids.pid`
429 rm -f /var/lock/subsys/openvswitch
433 if restart_approval; then
450 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
451 # configuration up-to-date all the time. HUP ovs-external-ids so it
453 hup_monitor_external_ids
457 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
461 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
464 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
465 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd &&
466 (test "$ENABLE_BRCOMPAT" != "y" ||
467 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd)
470 /usr/sbin/ovsdb-server -V
471 /usr/sbin/ovs-vswitchd -V
472 /usr/sbin/ovs-brcompatd -V
475 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
478 printf "Unknown command: $1\n"