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 : ${FORCE_COREFILES:=y}
31 # Config variables specific to ovsdb-server
32 : ${OVSDB_SERVER_REMOTES:=punix:/var/run/ovsdb-server db:Open_vSwitch,managers}
33 : ${OVSDB_SERVER_DB:=/etc/ovs-vswitchd.conf.db}
34 : ${OVSDB_SERVER_PIDFILE:=/var/run/ovsdb-server.pid}
35 : ${OVSDB_SERVER_RUN_DIR:=/var/xen/vswitch}
36 : ${OVSDB_SERVER_PRIORITY:=-10}
37 : ${OVSDB_SERVER_LOGFILE:=/var/log/ovsdb-server.log}
38 : ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
39 : ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
40 : ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
41 : ${OVSDB_SERVER_STRACE_LOG:=}
42 : ${OVSDB_SERVER_STRACE_OPT:=}
43 : ${OVSDB_SERVER_VALGRIND_LOG:=}
44 : ${OVSDB_SERVER_VALGRIND_OPT:=}
46 # Config variables specific to ovs-vswitchd
47 : ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/ovsdb-server}
48 : ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/vswitch/vswitch-idl.ovsschema}
49 : ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
50 : ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
51 : ${VSWITCHD_PRIORITY:=-10}
52 : ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
53 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
54 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
55 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
56 : ${VSWITCHD_STRACE_LOG:=}
57 : ${VSWITCHD_STRACE_OPT:=}
58 : ${VSWITCHD_VALGRIND_LOG:=}
59 : ${VSWITCHD_VALGRIND_OPT:=}
61 # Config variables specific to ovs-brcompatd
62 : ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
63 : ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
64 : ${BRCOMPATD_PRIORITY:=-10}
65 : ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
66 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
67 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
68 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
69 : ${BRCOMPATD_STRACE_LOG:=}
70 : ${BRCOMPATD_STRACE_OPT:=}
71 : ${BRCOMPATD_VALGRIND_LOG:=}
72 : ${BRCOMPATD_VALGRIND_OPT:=}
74 # Full paths to executables & modules
75 ovsdb_server="/usr/sbin/ovsdb-server"
76 ovsdb_tool="/usr/bin/ovsdb-tool"
77 vswitchd="/usr/sbin/ovs-vswitchd"
78 brcompatd="/usr/sbin/ovs-brcompatd"
79 dpctl="/usr/bin/ovs-dpctl"
80 appctl="/usr/bin/ovs-appctl"
81 ofctl="/usr/bin/ovs-ofctl"
82 vsctl="/usr/bin/ovs-vsctl"
85 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
86 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
87 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
93 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
96 function turn_on_corefiles {
100 function remove_all_dp {
101 for dp in $(dp_list); do
102 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
106 function insert_modules_if_required {
107 if ! lsmod | grep -q "openvswitch_mod"; then
108 action "Inserting llc module" modprobe llc
109 action "Inserting openvswitch module" modprobe openvswitch_mod
111 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
112 action "Inserting brcompat module" modprobe brcompat_mod
114 if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
115 action "Inserting ip_gre module" modprobe ip_gre_mod
119 function remove_modules {
120 if lsmod | grep -q "brcompat_mod"; then
121 action "Removing brcompat module" rmmod brcompat_mod.ko
123 if lsmod | grep -q "openvswitch_mod"; then
124 action "Removing openvswitch module" rmmod openvswitch_mod.ko
126 if lsmod | grep -q "ip_gre_mod"; then
127 action "Removing ip_gre module" rmmod ip_gre_mod.ko
131 function start_ovsdb_server {
132 local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
133 local logfile_file_opt=""
134 local logfile_level_opt=""
135 if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
136 mkdir -p "$OVSDB_SERVER_RUN_DIR"
138 cd "$OVSDB_SERVER_RUN_DIR"
140 for remote in "$OVSDB_SERVER_REMOTES"; do
141 remotes="$remotes --remote=$OVSDB_SERVER_REMOTES"
143 if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
144 logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
145 logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
148 if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
149 leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
150 if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
151 mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
156 if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
157 printf "Can not start with both VALGRIND and STRACE\n"
160 if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
161 strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
164 if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
165 valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
168 if [ "$daemonize" != "y" ]; then
169 # Start in background and force a "success" message
170 action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
171 (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 $remotes) &
173 action "Starting ovsdb-server" nice -n "$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 $remotes
177 function start_vswitchd {
178 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
179 local logfile_file_opt=""
180 local logfile_level_opt=""
181 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
182 mkdir -p "$VSWITCHD_RUN_DIR"
184 cd "$VSWITCHD_RUN_DIR"
185 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
186 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
187 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
190 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
191 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
192 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
193 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
198 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
199 printf "Can not start with both VALGRIND and STRACE\n"
202 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
203 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
206 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
207 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
210 local fake_proc_net_opt=""
211 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
212 fake_proc_net_opt="--fake-proc-net"
214 if [ "$daemonize" != "y" ]; then
215 # Start in background and force a "success" message
216 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
217 (nice -n "$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") &
219 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"
223 function start_brcompatd {
224 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
225 local logfile_file_opt=""
226 local logfile_level_opt=""
227 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
228 mkdir -p "$BRCOMPATD_RUN_DIR"
230 cd "$BRCOMPATD_RUN_DIR"
231 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
232 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
233 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
236 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
237 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
238 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
239 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
244 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
245 printf "Can not start with both VALGRIND and STRACE\n"
248 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
249 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
252 if [ -n "$VALGRIND_LOG" ]; then
253 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
256 appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
257 if [ "$daemonize" != "y" ]; then
258 # Start in background and force a "success" message
259 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
260 (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") &
262 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"
266 function stop_ovsdb_server {
267 if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
268 local pid=$(cat "$OVSDB_SERVER_PIDFILE")
269 action "Killing ovsdb-server ($pid)" kill -TERM $pid
270 rm -f "$OVSDB_SERVER_PIDFILE"
274 function stop_vswitchd {
275 if [ -f "$VSWITCHD_PIDFILE" ]; then
276 local pid=$(cat "$VSWITCHD_PIDFILE")
277 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
278 rm -f "$VSWITCHD_PIDFILE"
282 function stop_brcompatd {
283 if [ -f "$BRCOMPATD_PIDFILE" ]; then
284 local pid=$(cat "$BRCOMPATD_PIDFILE")
285 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
286 rm -f "$BRCOMPATD_PIDFILE"
290 function restart_approval {
292 # Don't prompt if invoked non-interactively.
299 Restarting vswitch on a live server is not guaranteed to work. It is
300 provided as a convenience for those situations in which it does work.
303 read -s -r -n 1 -p "Countinue with restart (y/N): " response
316 if [ "$FORCE_COREFILES" = "y" ]; then
320 insert_modules_if_required
322 # Increase the limit on the number of open file descriptors since
323 # ovs-vswitchd needs a few per bridge
327 iptables -I INPUT -p gre -j ACCEPT
329 if [ ! -e "$OVSDB_SERVER_DB" ]; then
330 warning "$OVSDB_SERVER_DB does not exist"
332 action "Creating empty database $OVSDB_SERVER_DB" true
333 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
337 $vsctl --no-wait init
338 if [ ! -e /var/run/vswitch.booted ]; then
339 touch /var/run/vswitch.booted
340 for bridge in $($vsctl list-br); do
341 $vsctl --no-wait del-br $bridge
347 touch /var/lock/subsys/vswitch
354 rm -f /var/lock/subsys/vswitch
358 if restart_approval; then
376 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
380 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
383 status -p ovsdb-server.pid ovsdb-server
384 status -p ovs-vswitchd.pid ovs-vswitchd
385 status -p ovs-brcompatd.pid ovs-brcompatd
388 /usr/sbin/ovsdb-server -V
389 /usr/sbin/ovs-vswitchd -V
390 /usr/sbin/ovs-brcompatd -V
393 printf "vswitch [start|stop|restart|unload|status|version]\n"
396 printf "Unknown command: $1\n"