5 # chkconfig: 2345 09 91
6 # description: Manage vswitch kernel modules and user-space daemon
8 # Copyright (C) 2009 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 test -e /etc/sysconfig/vswitch && . /etc/sysconfig/vswitch
26 # General config variables in /etc/sysconfig/vswitch
27 : ${ENABLE_BRCOMPAT:=y}
28 : ${ENABLE_FAKE_PROC_NET:=y}
29 : ${FORCE_COREFILES:=y}
31 # Config variables specific to ovsdb-server
32 : ${OVSDB_SERVER_LISTEN:=punix:/var/run/ovsdb-server}
33 : ${OVSDB_SERVER_CONNECT:=}
34 : ${OVSDB_SERVER_DB:=/etc/ovs-vswitchd.conf.db}
35 : ${OVSDB_SERVER_PIDFILE:=/var/run/ovsdb-server.pid}
36 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/vswitch}
37 : ${OVSDB_SERVER_PRIORITY:=-10}
38 : ${OVSDB_SERVER_LOGFILE:=/var/log/ovsdb-server.log}
39 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
40 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
41 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
42 : ${OVSDB_SERVER_STRACE_LOG:=}
43 : ${OVSDB_SERVER_STRACE_OPT:=}
44 : ${OVSDB_SERVER_VALGRIND_LOG:=}
45 : ${OVSDB_SERVER_VALGRIND_OPT:=}
47 # Config variables specific to ovs-vswitchd
48 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/ovsdb-server}
49 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/vswitch/vswitch-idl.ovsschema}
50 : ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
51 : ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
52 : ${VSWITCHD_PRIORITY:=-10}
53 : ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
54 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
55 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
56 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
57 : ${VSWITCHD_STRACE_LOG:=}
58 : ${VSWITCHD_STRACE_OPT:=}
59 : ${VSWITCHD_VALGRIND_LOG:=}
60 : ${VSWITCHD_VALGRIND_OPT:=}
62 # Config variables specific to ovs-brcompatd
63 : ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
64 : ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
65 : ${BRCOMPATD_PRIORITY:=-10}
66 : ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
67 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
68 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
69 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
70 : ${BRCOMPATD_STRACE_LOG:=}
71 : ${BRCOMPATD_STRACE_OPT:=}
72 : ${BRCOMPATD_VALGRIND_LOG:=}
73 : ${BRCOMPATD_VALGRIND_OPT:=}
75 # Full paths to executables & modules
76 ovsdb_server="/usr/sbin/ovsdb-server"
77 ovsdb_tool="/usr/bin/ovsdb-tool"
78 vswitchd="/usr/sbin/ovs-vswitchd"
79 brcompatd="/usr/sbin/ovs-brcompatd"
80 dpctl="/usr/bin/ovs-dpctl"
81 appctl="/usr/bin/ovs-appctl"
82 ofctl="/usr/bin/ovs-ofctl"
83 vsctl="/usr/bin/ovs-vsctl"
86 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
87 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
88 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
94 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
97 function turn_on_corefiles {
101 function remove_all_dp {
102 for dp in $(dp_list); do
103 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
107 function insert_modules_if_required {
108 if ! lsmod | grep -q "openvswitch_mod"; then
109 action "Inserting llc module" modprobe llc
110 action "Inserting openvswitch module" modprobe openvswitch_mod
112 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
113 action "Inserting brcompat module" modprobe brcompat_mod
115 if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
116 action "Inserting ip_gre module" modprobe ip_gre_mod
120 function remove_modules {
121 if lsmod | grep -q "brcompat_mod"; then
122 action "Removing brcompat module" rmmod brcompat_mod.ko
124 if lsmod | grep -q "openvswitch_mod"; then
125 action "Removing openvswitch module" rmmod openvswitch_mod.ko
127 if lsmod | grep -q "ip_gre_mod"; then
128 action "Removing ip_gre module" rmmod ip_gre_mod.ko
132 function start_ovsdb_server {
133 local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
134 local logfile_file_opt=""
135 local logfile_level_opt=""
136 if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
137 mkdir -p "$OVSDB_SERVER_RUN_DIR"
139 cd "$OVSDB_SERVER_RUN_DIR"
140 local listen_method=""
141 if [ -n "$OVSDB_SERVER_LISTEN" ]; then
142 listen_method="--listen=$OVSDB_SERVER_LISTEN"
144 local connect_method=""
145 if [ -n "$OVSDB_SERVER_CONNECT" ]; then
146 connect_method="--connect=$OVSDB_SERVER_CONNECT"
148 if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
149 logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
150 logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
153 if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
154 leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
155 if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
156 mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
161 if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
162 printf "Can not start with both VALGRIND and STRACE\n"
165 if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
166 strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
169 if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
170 valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
173 if [ "$daemonize" != "y" ]; then
174 # Start in background and force a "success" message
175 action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
176 (nice -n "$OVSDB_SERVER_PRIORITY" $strace_opt $valgrind_opt "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $connect_method $listen_method) &
178 action "Starting ovsdb-server" nice -n "$OVSDB_SERVER_PRIORITY" "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $connect_method $listen_method
182 function start_vswitchd {
183 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
184 local logfile_file_opt=""
185 local logfile_level_opt=""
186 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
187 mkdir -p "$VSWITCHD_RUN_DIR"
189 cd "$VSWITCHD_RUN_DIR"
190 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
191 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
192 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
195 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
196 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
197 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
198 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
203 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
204 printf "Can not start with both VALGRIND and STRACE\n"
207 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
208 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
211 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
212 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
215 local fake_proc_net_opt=""
216 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
217 fake_proc_net_opt="--fake-proc-net"
219 if [ "$daemonize" != "y" ]; then
220 # Start in background and force a "success" message
221 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
222 (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER") &
224 action "Starting ovs-vswitchd" nice -n "$VSWITCHD_PRIORITY" "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER"
228 function start_brcompatd {
229 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
230 local logfile_file_opt=""
231 local logfile_level_opt=""
232 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
233 mkdir -p "$BRCOMPATD_RUN_DIR"
235 cd "$BRCOMPATD_RUN_DIR"
236 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
237 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
238 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
241 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
242 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
243 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
244 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
249 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
250 printf "Can not start with both VALGRIND and STRACE\n"
253 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
254 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
257 if [ -n "$VALGRIND_LOG" ]; then
258 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
261 appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
262 if [ "$daemonize" != "y" ]; then
263 # Start in background and force a "success" message
264 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
265 (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd"--no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER") &
267 action "Starting ovs-brcompatd" nice -n "$BRCOMPATD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE --detach -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER"
271 function stop_ovsdb_server {
272 if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
273 local pid=$(cat "$OVSDB_SERVER_PIDFILE")
274 action "Killing ovsdb-server ($pid)" kill -TERM $pid
275 rm -f "$OVSDB_SERVER_PIDFILE"
279 function stop_vswitchd {
280 if [ -f "$VSWITCHD_PIDFILE" ]; then
281 local pid=$(cat "$VSWITCHD_PIDFILE")
282 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
283 rm -f "$VSWITCHD_PIDFILE"
287 function stop_brcompatd {
288 if [ -f "$BRCOMPATD_PIDFILE" ]; then
289 local pid=$(cat "$BRCOMPATD_PIDFILE")
290 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
291 rm -f "$BRCOMPATD_PIDFILE"
295 function restart_approval {
297 # Don't prompt if invoked non-interactively.
304 Restarting vswitch on a live server is not guaranteed to work. It is
305 provided as a convenience for those situations in which it does work.
308 read -s -r -n 1 -p "Countinue with restart (y/N): " response
321 if [ "$FORCE_COREFILES" = "y" ]; then
325 insert_modules_if_required
327 # Increase the limit on the number of open file descriptors since
328 # ovs-vswitchd needs a few per bridge
332 iptables -I INPUT -p gre -j ACCEPT
334 if [ ! -e "$OVSDB_SERVER_DB" ]; then
335 warning "$OVSDB_SERVER_DB does not exist"
337 action "Creating empty database $OVSDB_SERVER_DB" true
338 $ovsdb_tool create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
342 $vsctl --no-wait init
343 if [ ! -e /var/run/vswitch.booted ]; then
344 touch /var/run/vswitch.booted
345 for bridge in $($vsctl list-br); do
346 $vsctl --no-wait del-br $bridge
352 touch /var/lock/subsys/vswitch
359 rm -f /var/lock/subsys/vswitch
363 if restart_approval; then
381 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
385 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
388 status -p ovsdb-server.pid ovsdb-server
389 status -p ovs-vswitchd.pid ovs-vswitchd
390 status -p ovs-brcompatd.pid ovs-brcompatd
393 /usr/sbin/ovsdb-server -V
394 /usr/sbin/ovs-vswitchd -V
395 /usr/sbin/ovs-brcompatd -V
398 printf "vswitch [start|stop|restart|unload|status|version]\n"
401 printf "Unknown command: $1\n"