5 # chkconfig: 2345 09 91
6 # description: Manage vswitch kernel modules and user-space daemon
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 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 : ${ENABLE_MONITOR:=y}
30 : ${FORCE_COREFILES:=y}
32 # Config variables specific to ovsdb-server
33 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/ovsdb-server db:Open_vSwitch,managers}
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 : ${BRCOMPATD_VALGRIND_OPT:=}
75 # Full paths to executables & modules
76 ovsdb_server="/usr/sbin/ovsdb-server"
77 ovsdb_tool="/usr/bin/ovsdb-tool"
78 vswitchd="/usr/sbin/ovs-vswitchd"
79 brcompatd="/usr/sbin/ovs-brcompatd"
80 dpctl="/usr/bin/ovs-dpctl"
81 appctl="/usr/bin/ovs-appctl"
82 ofctl="/usr/bin/ovs-ofctl"
83 vsctl="/usr/bin/ovs-vsctl"
85 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
86 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
87 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
92 if test "$ENABLE_MONITOR" = "y"; then
93 monitor_opt="--monitor"
99 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
102 function turn_on_corefiles {
106 function remove_all_dp {
107 for dp in $(dp_list); do
108 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
112 function insert_modules_if_required {
113 if ! lsmod | grep -q "openvswitch_mod"; then
114 action "Inserting llc module" modprobe llc
115 action "Inserting openvswitch module" modprobe openvswitch_mod
117 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
118 action "Inserting brcompat module" modprobe brcompat_mod
120 if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
121 action "Inserting ip_gre module" modprobe ip_gre_mod
125 function remove_modules {
126 if lsmod | grep -q "brcompat_mod"; then
127 action "Removing brcompat module" rmmod brcompat_mod.ko
129 if lsmod | grep -q "openvswitch_mod"; then
130 action "Removing openvswitch module" rmmod openvswitch_mod.ko
132 if lsmod | grep -q "ip_gre_mod"; then
133 action "Removing ip_gre module" rmmod ip_gre_mod.ko
137 function start_ovsdb_server {
138 local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
139 local logfile_file_opt=""
140 local logfile_level_opt=""
141 if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
142 mkdir -p "$OVSDB_SERVER_RUN_DIR"
144 cd "$OVSDB_SERVER_RUN_DIR"
146 for remote in $OVSDB_SERVER_REMOTES; do
147 remotes="$remotes --remote=$remote"
149 if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
150 logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
151 logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
154 if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
155 leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
156 if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
157 mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
162 if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
163 printf "Can not start with both VALGRIND and STRACE\n"
166 if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
167 strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
170 if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
171 valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
174 if [ "$daemonize" != "y" ]; then
175 # Start in background and force a "success" message
176 action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
177 (nice -n "$OVSDB_SERVER_PRIORITY" $strace_opt $valgrind_opt "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes) &
179 action "Starting ovsdb-server" nice -n "$OVSDB_SERVER_PRIORITY" "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes
183 function start_vswitchd {
184 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
185 local logfile_file_opt=""
186 local logfile_level_opt=""
187 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
188 mkdir -p "$VSWITCHD_RUN_DIR"
190 cd "$VSWITCHD_RUN_DIR"
191 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
192 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
193 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
196 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
197 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
198 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
199 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
204 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
205 printf "Can not start with both VALGRIND and STRACE\n"
208 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
209 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
212 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
213 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
216 local fake_proc_net_opt=""
217 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
218 fake_proc_net_opt="--fake-proc-net"
220 if [ "$daemonize" != "y" ]; then
221 # Start in background and force a "success" message
222 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
223 (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER") &
225 action "Starting ovs-vswitchd" nice -n "$VSWITCHD_PRIORITY" "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER"
229 function start_brcompatd {
230 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
231 local logfile_file_opt=""
232 local logfile_level_opt=""
233 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
234 mkdir -p "$BRCOMPATD_RUN_DIR"
236 cd "$BRCOMPATD_RUN_DIR"
237 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
238 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
239 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
242 if [ -n "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
243 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
244 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
245 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
250 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
251 printf "Can not start with both VALGRIND and STRACE\n"
254 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
255 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
258 if [ -n "$VALGRIND_LOG" ]; then
259 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
262 appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
263 if [ "$daemonize" != "y" ]; then
264 # Start in background and force a "success" message
265 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
266 (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") &
268 action "Starting ovs-brcompatd" nice -n "$BRCOMPATD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE --detach $monitor_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER"
272 function stop_ovsdb_server {
273 if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
274 local pid=$(cat "$OVSDB_SERVER_PIDFILE")
275 action "Killing ovsdb-server ($pid)" kill -TERM $pid
276 rm -f "$OVSDB_SERVER_PIDFILE"
280 function stop_vswitchd {
281 if [ -f "$VSWITCHD_PIDFILE" ]; then
282 local pid=$(cat "$VSWITCHD_PIDFILE")
283 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
284 rm -f "$VSWITCHD_PIDFILE"
288 function stop_brcompatd {
289 if [ -f "$BRCOMPATD_PIDFILE" ]; then
290 local pid=$(cat "$BRCOMPATD_PIDFILE")
291 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
292 rm -f "$BRCOMPATD_PIDFILE"
296 function restart_approval {
298 # Don't prompt if invoked non-interactively.
305 Restarting vswitch on a live server is not guaranteed to work. It is
306 provided as a convenience for those situations in which it does work.
309 read -s -r -n 1 -p "Countinue with restart (y/N): " response
322 if [ "$FORCE_COREFILES" = "y" ]; then
326 insert_modules_if_required
328 # Increase the limit on the number of open file descriptors since
329 # ovs-vswitchd needs a few per bridge
333 iptables -I INPUT -p gre -j ACCEPT
335 if [ ! -e "$OVSDB_SERVER_DB" ]; then
336 warning "$OVSDB_SERVER_DB does not exist"
338 action "Creating empty database $OVSDB_SERVER_DB" true
339 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
343 $vsctl --no-wait init
344 if [ ! -e /var/run/vswitch.booted ]; then
345 touch /var/run/vswitch.booted
346 for bridge in $($vsctl list-br); do
347 $vsctl --no-wait del-br $bridge
353 touch /var/lock/subsys/vswitch
360 rm -f /var/lock/subsys/vswitch
364 if restart_approval; then
382 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
386 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
389 status -p ovsdb-server.pid ovsdb-server
390 status -p ovs-vswitchd.pid ovs-vswitchd
391 status -p ovs-brcompatd.pid ovs-brcompatd
394 /usr/sbin/ovsdb-server -V
395 /usr/sbin/ovs-vswitchd -V
396 /usr/sbin/ovs-brcompatd -V
399 printf "vswitch [start|stop|restart|unload|status|version]\n"
402 printf "Unknown command: $1\n"