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 ovs-vswitchd
32 : ${VSWITCHD_CONF:=/etc/ovs-vswitchd.conf}
33 : ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
34 : ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
35 : ${VSWITCHD_PRIORITY:=-10}
36 : ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
37 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
38 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
39 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
40 : ${VSWITCHD_STRACE_LOG:=}
41 : ${VSWITCHD_STRACE_OPT:=}
42 : ${VSWITCHD_VALGRIND_LOG:=}
43 : ${VSWITCHD_VALGRIND_OPT:=}
45 # Config variables specific to ovs-brcompatd
46 : ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
47 : ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
48 : ${BRCOMPATD_PRIORITY:=-10}
49 : ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
50 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
51 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
52 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
53 : ${BRCOMPATD_STRACE_LOG:=}
54 : ${BRCOMPATD_STRACE_OPT:=}
55 : ${BRCOMPATD_VALGRIND_LOG:=}
56 : ${BRCOMPATD_VALGRIND_OPT:=}
58 # Full paths to executables & modules
59 vswitchd="/usr/sbin/ovs-vswitchd"
60 brcompatd="/usr/sbin/ovs-brcompatd"
61 dpctl="/usr/bin/ovs-dpctl"
62 appctl="/usr/bin/ovs-appctl"
63 ofctl="/usr/bin/ovs-ofctl"
66 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
67 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
68 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
74 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
77 function turn_on_corefiles {
81 function remove_all_dp {
82 for dp in $(dp_list); do
83 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
87 function insert_modules_if_required {
88 if ! lsmod | grep -q "openvswitch_mod"; then
89 action "Inserting llc module" modprobe llc
90 action "Inserting openvswitch module" modprobe openvswitch_mod
92 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
93 action "Inserting brcompat module" modprobe brcompat_mod
95 if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
96 action "Inserting ip_gre module" modprobe ip_gre_mod
100 function remove_modules {
101 if lsmod | grep -q "brcompat_mod"; then
102 action "Removing brcompat module" rmmod brcompat_mod.ko
104 if lsmod | grep -q "openvswitch_mod"; then
105 action "Removing openvswitch module" rmmod openvswitch_mod.ko
107 if lsmod | grep -q "ip_gre_mod"; then
108 action "Removing ip_gre module" rmmod ip_gre_mod.ko
112 function reload_vswitchd {
113 if [ -f "$VSWITCHD_PIDFILE" ]; then
114 "$appctl" --target=/var/run/ovs-vswitchd.`cat $VSWITCHD_PIDFILE`.ctl vswitchd/reload
118 function reload_brcompatd {
119 if [ -f "$BRCOMPATD_PIDFILE" ]; then
120 "$appctl" --target=/var/run/ovs-brcompatd.`cat $BRCOMPATD_PIDFILE`.ctl vlog/reopen
124 function start_vswitchd {
125 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
126 local logfile_file_opt=""
127 local logfile_level_opt=""
128 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
129 mkdir -p "$VSWITCHD_RUN_DIR"
131 cd "$VSWITCHD_RUN_DIR"
132 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
133 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
134 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
137 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
138 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
139 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
140 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
145 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
146 printf "Can not start with both VALGRIND and STRACE\n"
149 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
150 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
153 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
154 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
157 local fake_proc_net_opt=""
158 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
159 fake_proc_net_opt="--fake-proc-net"
161 if [ "$daemonize" != "y" ]; then
162 # Start in background and force a "success" message
163 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
164 (nice -n "$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_CONF") &
166 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_CONF"
170 function start_brcompatd {
171 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
172 local logfile_file_opt=""
173 local logfile_level_opt=""
174 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
175 mkdir -p "$BRCOMPATD_RUN_DIR"
177 cd "$BRCOMPATD_RUN_DIR"
178 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
179 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
180 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
183 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
184 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
185 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
186 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
191 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
192 printf "Can not start with both VALGRIND and STRACE\n"
195 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
196 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
199 if [ -n "$VALGRIND_LOG" ]; then
200 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
203 appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
204 if [ "$daemonize" != "y" ]; then
205 # Start in background and force a "success" message
206 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
207 (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_CONF") &
209 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_CONF"
213 function stop_vswitchd {
214 if [ -f "$VSWITCHD_PIDFILE" ]; then
215 local pid=$(cat "$VSWITCHD_PIDFILE")
216 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
217 rm -f "$VSWITCHD_PIDFILE"
221 function stop_brcompatd {
222 if [ -f "$BRCOMPATD_PIDFILE" ]; then
223 local pid=$(cat "$BRCOMPATD_PIDFILE")
224 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
225 rm -f "$BRCOMPATD_PIDFILE"
229 function restart_approval {
231 # Don't prompt if invoked non-interactively.
238 Restarting vswitch on a live server is not guaranteed to work. It is
239 provided as a convenience for those situations in which it does work.
240 If you just want to reload the configuration file, use "reload"
244 read -s -r -n 1 -p "Countinue with restart (y/N): " response
257 if [ "$FORCE_COREFILES" = "y" ]; then
261 insert_modules_if_required
263 # Increase the limit on the number of open file descriptors since
264 # ovs-vswitchd needs a few per bridge
268 iptables -I INPUT -p gre -j ACCEPT
270 if [ ! -e "$VSWITCHD_CONF" ]; then
271 warning "$VSWITCHD_CONF does not exist"
272 action "Creating empty $VSWITCHD_CONF" touch "$VSWITCHD_CONF"
273 elif [ ! -e /var/run/vswitch.booted ]; then
274 touch /var/run/vswitch.booted
275 /usr/bin/ovs-cfg-mod '-vANY:console:emer' -F "$VSWITCHD_CONF" \
276 '--del-match=bridge.*' \
277 '--del-match=port.*' \
278 '--del-match=bonding.*' \
279 '--del-match=iface.*' \
280 '--del-match=vlan.*.trunks=*' \
281 '--del-match=vlan.*.tag=*'
286 reload_vswitchd # ensures ovs-vswitchd has fully read config file.
287 touch /var/lock/subsys/vswitch
293 rm -f /var/lock/subsys/vswitch
297 if restart_approval; then
319 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
323 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
326 status -p ovs-vswitchd.pid ovs-vswitchd
327 status -p ovs-brcompatd.pid ovs-brcompatd
330 /usr/sbin/ovs-vswitchd -V
331 /usr/sbin/ovs-brcompatd -V
334 printf "vswitch [start|stop|restart|reload|unload|status|version]\n"
337 printf "Unknown command: $1\n"