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.ovsschema}
50 : ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
51 : ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
52 : ${VSWITCHD_PRIORITY:=-10}
53 : ${VSWITCHD_MLOCKALL:=yes}
54 : ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
55 : ${VSWITCHD_FILE_LOGLEVEL:=INFO}
56 : ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
57 : ${VSWITCHD_MEMLEAK_LOGFILE:=}
58 : ${VSWITCHD_STRACE_LOG:=}
59 : ${VSWITCHD_STRACE_OPT:=}
60 : ${VSWITCHD_VALGRIND_LOG:=}
61 : ${VSWITCHD_VALGRIND_OPT:=}
63 # Config variables specific to ovs-brcompatd
64 : ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
65 : ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
66 : ${BRCOMPATD_PRIORITY:=-10}
67 : ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
68 : ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
69 : ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
70 : ${BRCOMPATD_MEMLEAK_LOGFILE:=}
71 : ${BRCOMPATD_STRACE_LOG:=}
72 : ${BRCOMPATD_STRACE_OPT:=}
73 : ${BRCOMPATD_VALGRIND_LOG:=}
74 : ${BRCOMPATD_VALGRIND_OPT:=}
76 # Full paths to executables & modules
77 ovsdb_server="/usr/sbin/ovsdb-server"
78 ovsdb_tool="/usr/bin/ovsdb-tool"
79 vswitchd="/usr/sbin/ovs-vswitchd"
80 brcompatd="/usr/sbin/ovs-brcompatd"
81 dpctl="/usr/bin/ovs-dpctl"
82 appctl="/usr/bin/ovs-appctl"
83 ofctl="/usr/bin/ovs-ofctl"
84 vsctl="/usr/bin/ovs-vsctl"
86 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
87 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
88 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
93 if test "$ENABLE_MONITOR" = "y"; then
94 monitor_opt="--monitor"
100 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
103 function turn_on_corefiles {
107 function remove_all_dp {
108 for dp in $(dp_list); do
109 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
113 function insert_modules_if_required {
114 if ! lsmod | grep -q "openvswitch_mod"; then
115 action "Inserting llc module" modprobe llc
116 action "Inserting openvswitch module" modprobe openvswitch_mod
118 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
119 action "Inserting brcompat module" modprobe brcompat_mod
121 if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
122 action "Inserting ip_gre module" modprobe ip_gre_mod
126 function remove_modules {
127 if lsmod | grep -q "brcompat_mod"; then
128 action "Removing brcompat module" rmmod brcompat_mod.ko
130 if lsmod | grep -q "openvswitch_mod"; then
131 action "Removing openvswitch module" rmmod openvswitch_mod.ko
133 if lsmod | grep -q "ip_gre_mod"; then
134 action "Removing ip_gre module" rmmod ip_gre_mod.ko
138 function start_ovsdb_server {
139 local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
140 local logfile_file_opt=""
141 local logfile_level_opt=""
142 if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
143 mkdir -p "$OVSDB_SERVER_RUN_DIR"
145 cd "$OVSDB_SERVER_RUN_DIR"
147 for remote in $OVSDB_SERVER_REMOTES; do
148 remotes="$remotes --remote=$remote"
150 if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
151 logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
152 logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
155 if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
156 leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
157 if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
158 mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
163 if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
164 printf "Can not start with both VALGRIND and STRACE\n"
167 if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
168 strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
171 if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
172 valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
175 ssl_opts="--private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert"
176 if [ "$daemonize" != "y" ]; then
177 # Start in background and force a "success" message
178 action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
179 (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 $ssl_opts) &
181 action "Starting ovsdb-server" nice -n "$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 $ssl_opts
185 function start_vswitchd {
186 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
187 local logfile_file_opt=""
188 local logfile_level_opt=""
189 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
190 mkdir -p "$VSWITCHD_RUN_DIR"
192 cd "$VSWITCHD_RUN_DIR"
193 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
194 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
195 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
198 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
199 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
200 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
201 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
206 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
207 printf "Can not start with both VALGRIND and STRACE\n"
210 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
211 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
214 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
215 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
218 local fake_proc_net_opt=""
219 if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
220 fake_proc_net_opt="--fake-proc-net"
222 if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
223 mlockall_opt="--mlockall"
225 if [ "$daemonize" != "y" ]; then
226 # Start in background and force a "success" message
227 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
228 (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 $mlockall_opt "$VSWITCHD_OVSDB_SERVER") &
230 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 $mlockall_opt "$VSWITCHD_OVSDB_SERVER"
234 function start_brcompatd {
235 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
236 local logfile_file_opt=""
237 local logfile_level_opt=""
238 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
239 mkdir -p "$BRCOMPATD_RUN_DIR"
241 cd "$BRCOMPATD_RUN_DIR"
242 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
243 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
244 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
247 if [ -n "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
248 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
249 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
250 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
255 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
256 printf "Can not start with both VALGRIND and STRACE\n"
259 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
260 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
263 if [ -n "$VALGRIND_LOG" ]; then
264 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
267 appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
268 if [ "$daemonize" != "y" ]; then
269 # Start in background and force a "success" message
270 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
271 (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") &
273 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"
277 function stop_ovsdb_server {
278 if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
279 local pid=$(cat "$OVSDB_SERVER_PIDFILE")
280 action "Killing ovsdb-server ($pid)" kill -TERM $pid
281 rm -f "$OVSDB_SERVER_PIDFILE"
285 function stop_vswitchd {
286 if [ -f "$VSWITCHD_PIDFILE" ]; then
287 local pid=$(cat "$VSWITCHD_PIDFILE")
288 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
289 rm -f "$VSWITCHD_PIDFILE"
293 function stop_brcompatd {
294 if [ -f "$BRCOMPATD_PIDFILE" ]; then
295 local pid=$(cat "$BRCOMPATD_PIDFILE")
296 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
297 rm -f "$BRCOMPATD_PIDFILE"
301 function restart_approval {
303 # Don't prompt if invoked non-interactively.
310 Restarting vswitch on a live server is not guaranteed to work. It is
311 provided as a convenience for those situations in which it does work.
314 read -s -r -n 1 -p "Countinue with restart (y/N): " response
326 function set_system_uuid {
327 system_uuid=$(. /etc/xensource-inventory && echo $INSTALLATION_UUID)
328 if test -n "$system_uuid"; then
329 action "Configuring Open vSwitch system UUID" true
330 $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$system_uuid"
332 action "Configuring Open vSwitch system UUID" false
337 if [ "$FORCE_COREFILES" = "y" ]; then
341 insert_modules_if_required
343 # Increase the limit on the number of open file descriptors since
344 # ovs-vswitchd needs a few per bridge
348 iptables -I INPUT -p gre -j ACCEPT
350 if [ ! -e "$OVSDB_SERVER_DB" ]; then
351 warning "$OVSDB_SERVER_DB does not exist"
353 action "Creating empty database $OVSDB_SERVER_DB" true
354 $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
356 # Upgrade or downgrade schema and compact database.
357 $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
361 $vsctl --no-wait init
362 if [ ! -e /var/run/vswitch.booted ]; then
363 touch /var/run/vswitch.booted
364 for bridge in $($vsctl list-br); do
365 $vsctl --no-wait del-br $bridge
373 touch /var/lock/subsys/vswitch
380 rm -f /var/lock/subsys/vswitch
384 if restart_approval; then
402 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
406 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
409 status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server
410 status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
411 status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd
414 /usr/sbin/ovsdb-server -V
415 /usr/sbin/ovs-vswitchd -V
416 /usr/sbin/ovs-brcompatd -V
419 printf "vswitch [start|stop|restart|unload|status|version]\n"
422 printf "Unknown command: $1\n"