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 reload_vswitchd {
133 if [ -f "$VSWITCHD_PIDFILE" ]; then
134 "$appctl" --target=/var/run/ovs-vswitchd.`cat $VSWITCHD_PIDFILE`.ctl vswitchd/reload
138 function reload_brcompatd {
139 if [ -f "$BRCOMPATD_PIDFILE" ]; then
140 "$appctl" --target=/var/run/ovs-brcompatd.`cat $BRCOMPATD_PIDFILE`.ctl vlog/reopen
144 function start_ovsdb_server {
145 local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
146 local logfile_file_opt=""
147 local logfile_level_opt=""
148 if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
149 mkdir -p "$OVSDB_SERVER_RUN_DIR"
151 cd "$OVSDB_SERVER_RUN_DIR"
152 local listen_method=""
153 if [ -n "$OVSDB_SERVER_LISTEN" ]; then
154 listen_method="--listen=$OVSDB_SERVER_LISTEN"
156 local connect_method=""
157 if [ -n "$OVSDB_SERVER_CONNECT" ]; then
158 connect_method="--connect=$OVSDB_SERVER_CONNECT"
160 if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
161 logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
162 logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
165 if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
166 leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
167 if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
168 mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
173 if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
174 printf "Can not start with both VALGRIND and STRACE\n"
177 if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
178 strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
181 if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
182 valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
185 if [ "$daemonize" != "y" ]; then
186 # Start in background and force a "success" message
187 action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
188 (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 $listen_method) &
190 action "Starting ovsdb-server" nice -n "$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 $listen_method
194 function start_vswitchd {
195 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
196 local logfile_file_opt=""
197 local logfile_level_opt=""
198 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
199 mkdir -p "$VSWITCHD_RUN_DIR"
201 cd "$VSWITCHD_RUN_DIR"
202 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
203 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
204 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
207 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
208 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
209 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
210 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
215 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
216 printf "Can not start with both VALGRIND and STRACE\n"
219 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
220 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
223 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
224 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
227 local fake_proc_net_opt=""
228 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
229 fake_proc_net_opt="--fake-proc-net"
231 if [ "$daemonize" != "y" ]; then
232 # Start in background and force a "success" message
233 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
234 (nice -n "$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") &
236 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"
240 function start_brcompatd {
241 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
242 local logfile_file_opt=""
243 local logfile_level_opt=""
244 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
245 mkdir -p "$BRCOMPATD_RUN_DIR"
247 cd "$BRCOMPATD_RUN_DIR"
248 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
249 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
250 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
253 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
254 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
255 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
256 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
261 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
262 printf "Can not start with both VALGRIND and STRACE\n"
265 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
266 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
269 if [ -n "$VALGRIND_LOG" ]; then
270 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
273 appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
274 if [ "$daemonize" != "y" ]; then
275 # Start in background and force a "success" message
276 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
277 (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") &
279 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"
283 function stop_ovsdb_server {
284 if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
285 local pid=$(cat "$OVSDB_SERVER_PIDFILE")
286 action "Killing ovsdb-server ($pid)" kill -TERM $pid
287 rm -f "$OVSDB_SERVER_PIDFILE"
291 function stop_vswitchd {
292 if [ -f "$VSWITCHD_PIDFILE" ]; then
293 local pid=$(cat "$VSWITCHD_PIDFILE")
294 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
295 rm -f "$VSWITCHD_PIDFILE"
299 function stop_brcompatd {
300 if [ -f "$BRCOMPATD_PIDFILE" ]; then
301 local pid=$(cat "$BRCOMPATD_PIDFILE")
302 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
303 rm -f "$BRCOMPATD_PIDFILE"
307 function restart_approval {
309 # Don't prompt if invoked non-interactively.
316 Restarting vswitch on a live server is not guaranteed to work. It is
317 provided as a convenience for those situations in which it does work.
318 If you just want to reload the configuration file, use "reload"
322 read -s -r -n 1 -p "Countinue with restart (y/N): " response
335 if [ "$FORCE_COREFILES" = "y" ]; then
339 insert_modules_if_required
341 # Increase the limit on the number of open file descriptors since
342 # ovs-vswitchd needs a few per bridge
346 iptables -I INPUT -p gre -j ACCEPT
348 if [ ! -e "$OVSDB_SERVER_DB" ]; then
349 warning "$OVSDB_SERVER_DB does not exist"
350 action "Creating empty $OVSDB_SERVER_DB" $ovsdb_tool create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
351 action "Creating initial table in $OVSDB_SERVER_DB" $ovsdb_tool transact "$OVSDB_SERVER_DB" '[{"op": "insert", "table": "Open_vSwitch", "row": {}}]'
355 if [ ! -e /var/run/vswitch.booted ]; then
356 touch /var/run/vswitch.booted
357 for bridge in $($vsctl list-br); do
358 $vsctl --no-wait del-br $bridge
364 reload_vswitchd # ensures ovs-vswitchd has fully read config.
365 touch /var/lock/subsys/vswitch
372 rm -f /var/lock/subsys/vswitch
376 if restart_approval; then
398 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
402 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
405 status -p ovsdb-server.pid ovsdb-server
406 status -p ovs-vswitchd.pid ovs-vswitchd
407 status -p ovs-brcompatd.pid ovs-brcompatd
410 /usr/sbin/ovsdb-server -V
411 /usr/sbin/ovs-vswitchd -V
412 /usr/sbin/ovs-brcompatd -V
415 printf "vswitch [start|stop|restart|reload|unload|status|version]\n"
418 printf "Unknown command: $1\n"