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: $remote_fs
25 # Default-Start: 2 3 4 5
27 # Short-Description: Open vSwitch switch
31 . /etc/init.d/functions
33 . /etc/xensource-inventory
34 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
36 NETWORK_MODE=$(cat /etc/xensource/network.conf)
44 echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
49 # General config variables in /etc/sysconfig/openvswitch
50 if test "$PRODUCT_VERSION" = "5.5.0"; then
51 # XenServer 5.5.0 needs ovs-brcompatd and /proc/net simulation.
52 : ${ENABLE_BRCOMPAT:=y}
53 : ${ENABLE_FAKE_PROC_NET:=y}
55 # Later versions don't need them.
56 : ${ENABLE_BRCOMPAT:=n}
57 : ${ENABLE_FAKE_PROC_NET:=n}
59 : ${ENABLE_MONITOR:=y}
60 : ${FORCE_COREFILES:=y}
62 # Config variables specific to ovsdb-server
63 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers}
64 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
65 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
66 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
67 : ${OVSDB_SERVER_PRIORITY:=-10}
68 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
69 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
70 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
71 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
72 : ${OVSDB_SERVER_STRACE_LOG:=}
73 : ${OVSDB_SERVER_STRACE_OPT:=}
74 : ${OVSDB_SERVER_VALGRIND_LOG:=}
75 : ${OVSDB_SERVER_VALGRIND_OPT:=}
77 # Config variables specific to ovs-vswitchd
78 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
79 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
80 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
81 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
82 : ${VSWITCHD_PRIORITY:=-10}
83 : ${VSWITCHD_MLOCKALL:=yes}
84 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
85 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
86 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
87 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
88 : ${VSWITCHD_STRACE_LOG:=}
89 : ${VSWITCHD_STRACE_OPT:=}
90 : ${VSWITCHD_VALGRIND_LOG:=}
91 : ${VSWITCHD_VALGRIND_OPT:=}
93 # Config variables specific to ovs-brcompatd
94 : ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid}
95 : ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch}
96 : ${BRCOMPATD_PRIORITY:=-10}
97 : ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/ovs-brcompatd.log}
98 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
99 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
100 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
101 : ${BRCOMPATD_STRACE_LOG:=}
102 : ${BRCOMPATD_STRACE_OPT:=}
103 : ${BRCOMPATD_VALGRIND_LOG:=}
104 : ${BRCOMPATD_VALGRIND_OPT:=}
106 # Full paths to executables & modules
107 ovsdb_server="/usr/sbin/ovsdb-server"
108 ovsdb_tool="/usr/bin/ovsdb-tool"
109 vswitchd="/usr/sbin/ovs-vswitchd"
110 brcompatd="/usr/sbin/ovs-brcompatd"
111 dpctl="/usr/bin/ovs-dpctl"
112 appctl="/usr/bin/ovs-appctl"
113 ofctl="/usr/bin/ovs-ofctl"
114 vsctl="/usr/bin/ovs-vsctl"
116 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
117 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
118 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
123 if test "$ENABLE_MONITOR" = "y"; then
124 monitor_opt="--monitor"
129 function hup_monitor_external_ids {
130 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
131 action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-external-ids.pid`
136 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
139 function turn_on_corefiles {
143 function remove_all_dp {
144 for dp in $(dp_list); do
145 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
149 function insert_modules_if_required {
150 if ! lsmod | grep -q "openvswitch_mod"; then
151 action "Inserting llc module" modprobe llc
152 action "Inserting openvswitch module" modprobe openvswitch_mod
154 if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
155 action "Inserting brcompat module" modprobe brcompat_mod
159 function remove_modules {
160 if lsmod | grep -q "brcompat_mod"; then
161 action "Removing brcompat module" rmmod brcompat_mod.ko
163 if lsmod | grep -q "openvswitch_mod"; then
164 action "Removing openvswitch module" rmmod openvswitch_mod.ko
168 function start_daemon {
173 # cd to daemon's run_dir so core files get dumped into a sensible place.
174 eval local run_dir=\$${DAEMON}_RUN_DIR
175 if [ ! -d "$run_dir" ]; then
176 install -d -m 755 -o root -g root "$run_dir"
180 # Configure log levels.
181 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
182 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
183 eval local logfile=\$${DAEMON}_LOGFILE
184 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
185 if test -n "$file_loglevel" && test -n "$logfile"; then
186 install -d -m 755 -o root -g root `dirname "$logfile"`
187 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
190 # Configure leak checker.
191 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
192 if test -n "$memleak_logfile"; then
193 set -- "$@" --check-leaks="$memleak_logfile"
194 if test -e "$memleak_logfile"; then
195 mv "$memleak_logfile" "$memleak_logfile.prev"
199 # Configure debugging wrappers.
200 eval local strace_log=\$${DAEMON}_STRACE_LOG
201 eval local strace_opt=\$${DAEMON}_STRACE_OPT
202 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
203 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
204 if test -n "$strace_log" && test -n "$valgrind_log"; then
205 printf "Can not start with both VALGRIND and STRACE\n"
207 elif test -n "$strace_log"; then
209 set -- strace -o "$strace_log" $strace_opt "$@"
210 elif test -n "$valgrind_log"; then
212 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
214 local mode=production
215 eval local pidfile=\$${DAEMON}_PIDFILE
216 install -d -m 755 -o root -g root `dirname $pidfile`
217 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
220 # Configure niceness.
221 eval local priority=\$${DAEMON}_PRIORITY
222 if test -n "$priority"; then
223 set -- nice -n $priority "$@"
226 if test $mode = production; then
227 action "Starting `basename $BINARY`" "$@"
229 # Start in background and force a "success" message
230 action "Starting `basename $BINARY` with $mode debugging" true
235 function start_ovsdb_server {
236 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
237 for remote in $OVSDB_SERVER_REMOTES; do
238 set -- "$@" --remote="$remote"
240 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
241 start_daemon OVSDB_SERVER "$@"
244 function start_vswitchd {
245 local fake_proc_net_opt=
246 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
247 fake_proc_net_opt="--fake-proc-net"
251 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
252 mlockall_opt="--mlockall"
255 start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
256 "$VSWITCHD_OVSDB_SERVER"
259 function start_brcompatd {
260 start_daemon BRCOMPATD "$brcompatd" \
261 --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
262 "$VSWITCHD_OVSDB_SERVER"
265 function stop_daemon {
268 eval local pidfile=\$${DAEMON}_PIDFILE
269 if test -f "$pidfile"; then
270 local pid=$(cat "$pidfile")
271 action "Killing `basename $BINARY` ($pid)" kill $pid
272 for delay in .1 .25 .65 1 1 1 1; do
273 if kill -0 $pid >/dev/null 2>&1; then
283 function restart_approval {
285 # Don't prompt if invoked non-interactively.
292 Restarting Open vSwitch on a live server is not guaranteed to work. It is
293 provided as a convenience for those situations in which it does work.
296 read -s -r -n 1 -p "Continue with restart (y/N): " response
308 function set_system_ids {
309 if [ -f /etc/xensource-inventory ]; then
310 OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
311 action "Configuring Open vSwitch system IDs" true
312 $vsctl --no-wait --timeout=5 set Open_vSwitch . \
313 ovs-version="$OVS_VERSION" \
314 system-type="$PRODUCT_BRAND" \
315 system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
316 external-ids:system-id="$INSTALLATION_UUID" \
317 external-ids:xs-system-uuid="$INSTALLATION_UUID"
319 action "Configuring Open vSwitch system IDs" false
324 if [ "$FORCE_COREFILES" = "y" ]; then
328 insert_modules_if_required
330 # Increase the limit on the number of open file descriptors since
331 # ovs-vswitchd needs a few per bridge
335 iptables -I INPUT -p gre -j ACCEPT
337 schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
338 if [ ! -e "$OVSDB_SERVER_DB" ]; then
339 warning "$OVSDB_SERVER_DB does not exist"
340 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
342 action "Creating empty database $OVSDB_SERVER_DB" true
343 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
345 # If schema version changed, then back up the old version.
346 oldver=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
347 if test "X$oldver" != "X$schemaver"; then
348 backup=$OVSDB_SERVER_DB.backup$oldver
349 action "Backing up $OVSDB_SERVER_DB in $backup before converting from schema version \"$oldver\" to \"$schemaver\"" true
350 cp "$OVSDB_SERVER_DB" "$backup"
353 # Upgrade or downgrade schema and compact database.
354 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
358 $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
359 if [ ! -e /var/run/openvswitch.booted ]; then
360 touch /var/run/openvswitch.booted
361 for bridge in $($vsctl list-br); do
362 $vsctl --no-wait --timeout=5 del-br $bridge
369 if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
373 # Start daemon to monitor external ids
374 PYTHONPATH=/usr/share/openvswitch/python \
375 /usr/share/openvswitch/scripts/ovs-external-ids \
376 --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
378 touch /var/lock/subsys/openvswitch
382 stop_daemon BRCOMPATD "$brcompatd"
383 stop_daemon VSWITCHD "$vswitchd"
384 stop_daemon OVSDB_SERVER "$ovsdb_server"
385 if [ -e /var/run/openvswitch/ovs-external-ids.pid ]; then
386 kill `cat /var/run/openvswitch/ovs-external-ids.pid`
388 rm -f /var/lock/subsys/openvswitch
392 if restart_approval; then
409 # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
410 # configuration up-to-date all the time. HUP ovs-external-ids so it
412 hup_monitor_external_ids
416 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
420 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
423 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
424 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd &&
425 (test "$ENABLE_BRCOMPAT" != "y" ||
426 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd)
429 /usr/sbin/ovsdb-server -V
430 /usr/sbin/ovs-vswitchd -V
431 /usr/sbin/ovs-brcompatd -V
434 printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
437 printf "Unknown command: $1\n"