5 # chkconfig: 2345 09 91
6 # description: Manage Open vSwitch kernel modules and user-space daemons
8 # Copyright (C) 2009, 2010 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 . /etc/init.d/functions
24 . /etc/xensource-inventory
25 test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
27 # General config variables in /etc/sysconfig/openvswitch
28 if test "$PRODUCT_VERSION" = "5.5.0"; then
29 # XenServer 5.5.0 needs ovs-brcompatd and /proc/net simulation.
30 : ${ENABLE_BRCOMPAT:=y}
31 : ${ENABLE_FAKE_PROC_NET:=y}
33 # Later versions don't need them.
34 : ${ENABLE_BRCOMPAT:=n}
35 : ${ENABLE_FAKE_PROC_NET:=n}
37 : ${ENABLE_MONITOR:=y}
38 : ${FORCE_COREFILES:=y}
40 # Config variables specific to ovsdb-server
41 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers}
42 : ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
43 : ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
44 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
45 : ${OVSDB_SERVER_PRIORITY:=-10}
46 : ${OVSDB_SERVER_LOGFILE:=/var/log/openvswitch/ovsdb-server.log}
47 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
48 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
49 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
50 : ${OVSDB_SERVER_STRACE_LOG:=}
51 : ${OVSDB_SERVER_STRACE_OPT:=}
52 : ${OVSDB_SERVER_VALGRIND_LOG:=}
53 : ${OVSDB_SERVER_VALGRIND_OPT:=}
55 # Config variables specific to ovs-vswitchd
56 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/openvswitch/db.sock}
57 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/openvswitch/vswitch.ovsschema}
58 : ${VSWITCHD_PIDFILE:=/var/run/openvswitch/ovs-vswitchd.pid}
59 : ${VSWITCHD_RUN_DIR:=/var/xen/openvswitch}
60 : ${VSWITCHD_PRIORITY:=-10}
61 : ${VSWITCHD_MLOCKALL:=yes}
62 : ${VSWITCHD_LOGFILE:=/var/log/openvswitch/ovs-vswitchd.log}
63 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
64 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
65 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
66 : ${VSWITCHD_STRACE_LOG:=}
67 : ${VSWITCHD_STRACE_OPT:=}
68 : ${VSWITCHD_VALGRIND_LOG:=}
69 : ${VSWITCHD_VALGRIND_OPT:=}
71 # Config variables specific to ovs-brcompatd
72 : ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid}
73 : ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch}
74 : ${BRCOMPATD_PRIORITY:=-10}
75 : ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/ovs-brcompatd.log}
76 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
77 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
78 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
79 : ${BRCOMPATD_STRACE_LOG:=}
80 : ${BRCOMPATD_STRACE_OPT:=}
81 : ${BRCOMPATD_VALGRIND_LOG:=}
82 : ${BRCOMPATD_VALGRIND_OPT:=}
84 # Config variables specific to ovs-xenserverd
85 : ${XENSERVERD_PIDFILE:=/var/run/openvswitch/ovs-xenserverd.pid}
86 : ${XENSERVERD_RUN_DIR:=/var/xen/openvswitch}
87 : ${XENSERVERD_PRIORITY:=}
88 : ${XENSERVERD_LOGFILE:=}
89 : ${XENSERVERD_FILE_LOGLEVEL:=}
90 : ${XENSERVERD_SYSLOG_LOGLEVEL:=}
91 : ${XENSERVERD_MEMLEAK_LOGFILE:=}
92 : ${XENSERVERD_STRACE_LOG:=}
93 : ${XENSERVERD_STRACE_OPT:=}
94 : ${XENSERVERD_VALGRIND_LOG:=}
95 : ${XENSERVERD_VALGRIND_OPT:=}
97 # Full paths to executables & modules
98 ovsdb_server="/usr/sbin/ovsdb-server"
99 ovsdb_tool="/usr/bin/ovsdb-tool"
100 vswitchd="/usr/sbin/ovs-vswitchd"
101 brcompatd="/usr/sbin/ovs-brcompatd"
102 xenserverd="/usr/sbin/ovs-xenserverd"
103 dpctl="/usr/bin/ovs-dpctl"
104 appctl="/usr/bin/ovs-appctl"
105 ofctl="/usr/bin/ovs-ofctl"
106 vsctl="/usr/bin/ovs-vsctl"
108 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
109 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
110 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
115 if test "$ENABLE_MONITOR" = "y"; then
116 monitor_opt="--monitor"
122 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
125 function turn_on_corefiles {
129 function remove_all_dp {
130 for dp in $(dp_list); do
131 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
135 function insert_modules_if_required {
136 if ! lsmod | grep -q "openvswitch_mod"; then
137 action "Inserting llc module" modprobe llc
138 action "Inserting openvswitch module" modprobe openvswitch_mod
140 if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
141 action "Inserting brcompat module" modprobe brcompat_mod
143 if [ -f "/lib/modules/`uname -r`/kernel/extra/openvswitch/veth_mod.ko" ] && ! lsmod | grep -q "veth_mod"; then
144 action "Inserting veth module" modprobe veth_mod
148 function remove_modules {
149 if lsmod | grep -q "brcompat_mod"; then
150 action "Removing brcompat module" rmmod brcompat_mod.ko
152 if lsmod | grep -q "openvswitch_mod"; then
153 action "Removing openvswitch module" rmmod openvswitch_mod.ko
157 function start_daemon {
162 # cd to daemon's run_dir so core files get dumped into a sensible place.
163 eval local run_dir=\$${DAEMON}_RUN_DIR
164 if [ ! -d "$run_dir" ]; then
165 install -d -m 755 -o root -g root "$run_dir"
169 # Configure log levels.
170 eval local syslog_loglevel=\$${DAEMON}_SYSLOG_LOGLEVEL
171 eval local file_loglevel=\$${DAEMON}_FILE_LOGLEVEL
172 eval local logfile=\$${DAEMON}_LOGFILE
173 set -- "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:"$syslog_loglevel"
174 if test -n "$file_loglevel" && test -n "$logfile"; then
175 install -d -m 755 -o root -g root `dirname "$logfile"`
176 set -- "$@" --log-file="$logfile" -vANY:FILE:"$file_loglevel"
179 # Configure leak checker.
180 eval local memleak_logfile=\$${DAEMON}_MEMLEAK_LOGFILE
181 if test -n "$memleak_logfile"; then
182 set -- "$@" --check-leaks="$memleak_logfile"
183 if test -e "$memleak_logfile"; then
184 mv "$memleak_logfile" "$memleak_logfile.prev"
188 # Configure debugging wrappers.
189 eval local strace_log=\$${DAEMON}_STRACE_LOG
190 eval local strace_opt=\$${DAEMON}_STRACE_OPT
191 eval local valgrind_log=\$${DAEMON}_VALGRIND_LOG
192 eval local valgrind_opt=\$${DAEMON}_VALGRIND_OPT
193 if test -n "$strace_log" && test -n "$valgrind_log"; then
194 printf "Can not start with both VALGRIND and STRACE\n"
196 elif test -n "$strace_log"; then
198 set -- strace -o "$strace_log" $strace_opt "$@"
199 elif test -n "$valgrind_log"; then
201 set -- valgrind --log-file="$valgrind_log" $valgrind_opt "$@"
203 local mode=production
204 eval local pidfile=\$${DAEMON}_PIDFILE
205 install -d -m 755 -o root -g root `dirname $pidfile`
206 set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
209 # Configure niceness.
210 eval local priority=\$${DAEMON}_PRIORITY
211 if test -n "$priority"; then
212 set -- nice -n $priority "$@"
215 if test $mode = production; then
216 action "Starting `basename $BINARY`" "$@"
218 # Start in background and force a "success" message
219 action "Starting `basename $BINARY` with $mode debugging" true
224 function start_ovsdb_server {
225 set -- "$ovsdb_server" "$OVSDB_SERVER_DB"
226 for remote in $OVSDB_SERVER_REMOTES; do
227 set -- "$@" --remote="$remote"
229 set -- "$@" --private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
230 start_daemon OVSDB_SERVER "$@"
233 function start_vswitchd {
234 local fake_proc_net_opt=
235 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
236 fake_proc_net_opt="--fake-proc-net"
240 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
241 mlockall_opt="--mlockall"
244 start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
245 "$VSWITCHD_OVSDB_SERVER"
248 function start_brcompatd {
249 start_daemon BRCOMPATD "$brcompatd" \
250 --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
251 "$VSWITCHD_OVSDB_SERVER"
254 function start_xenserverd {
255 start_daemon XENSERVERD "$xenserverd"
258 function stop_daemon {
261 eval local pidfile=\$${DAEMON}_PIDFILE
262 if test -f "$pidfile"; then
263 local pid=$(cat "$pidfile")
264 action "Killing `basename $BINARY` ($pid)" kill $pid
269 function restart_approval {
271 # Don't prompt if invoked non-interactively.
278 Restarting Open vSwitch on a live server is not guaranteed to work. It is
279 provided as a convenience for those situations in which it does work.
282 read -s -r -n 1 -p "Continue with restart (y/N): " response
294 function set_system_uuid {
295 if test -n "$INSTALLATION_UUID"; then
296 action "Configuring Open vSwitch system UUID" true
297 $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$INSTALLATION_UUID"
299 action "Configuring Open vSwitch system UUID" false
304 if [ "$FORCE_COREFILES" = "y" ]; then
308 insert_modules_if_required
310 # Increase the limit on the number of open file descriptors since
311 # ovs-vswitchd needs a few per bridge
315 iptables -I INPUT -p gre -j ACCEPT
317 if [ ! -e "$OVSDB_SERVER_DB" ]; then
318 warning "$OVSDB_SERVER_DB does not exist"
319 install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
321 action "Creating empty database $OVSDB_SERVER_DB" true
322 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
324 # Upgrade or downgrade schema and compact database.
325 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
329 $vsctl --no-wait init
330 if [ ! -e /var/run/openvswitch.booted ]; then
331 touch /var/run/openvswitch.booted
332 for bridge in $($vsctl list-br); do
333 $vsctl --no-wait del-br $bridge
340 if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
344 touch /var/lock/subsys/openvswitch
348 stop_daemon XENSERVERD "$xenserverd"
349 stop_daemon BRCOMPATD "$brcompatd"
350 stop_daemon VSWITCHD "$vswitchd"
351 stop_daemon OVSDB_SERVER "$ovsdb_server"
352 rm -f /var/lock/subsys/openvswitch
356 if restart_approval; then
374 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
378 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
381 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server &&
382 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd &&
383 (test "$ENABLE_BRCOMPAT" != "y" ||
384 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd) &&
385 status -p "$XENSERVERD_PIDFILE" ovs-xenserverd
388 /usr/sbin/ovsdb-server -V
389 /usr/sbin/ovs-vswitchd -V
390 /usr/sbin/ovs-brcompatd -V
391 /usr/sbin/ovs-xenserverd -V
394 printf "openvswitch [start|stop|restart|unload|status|version]\n"
397 printf "Unknown command: $1\n"