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 VSWITCH_BASE="${VSWITCH_BASE:-/root/vswitch}"
28 ENABLE_BRCOMPAT="${ENABLE_BRCOMPAT:-y}"
29 ENABLE_FAKE_PROC_NET="${ENABLE_FAKE_PROC_NET:-y}"
30 FORCE_COREFILES="${FORCE_COREFILES:-n}"
31 COREFILE_PATTERN="${COREFILE_PATTERN:-/var/log/%e-%t}"
33 # Config variables specific to ovs-vswitchd
34 VSWITCHD_CONF="${VSWITCHD_CONF:-/etc/ovs-vswitchd.conf}"
35 VSWITCHD_PIDFILE="${VSWITCHD_PIDFILE:-/var/run/ovs-vswitchd.pid}"
36 VSWITCHD_PRIORITY="${VSWITCHD_PRIORITY:--5}"
37 VSWITCHD_LOGFILE="${VSWITCHD_LOGFILE:-/var/log/ovs-vswitchd.log}"
38 VSWITCHD_FILE_LOGLEVEL="${VSWITCHD_FILE_LOGLEVEL:-}"
39 VSWITCHD_SYSLOG_LOGLEVEL="${VSWITCHD_SYSLOG_LOGLEVEL:-WARN}"
40 VSWITCHD_MEMLEAK_LOGFILE="${VSWITCHD_MEMLEAK_LOGFILE:-}"
41 VSWITCHD_STRACE_LOG="${VSWITCHD_STRACE_LOG:-}"
42 VSWITCHD_STRACE_OPT="${VSWITCHD_STRACE_OPT:-}"
43 VSWITCHD_VALGRIND_LOG="${VSWITCHD_VALGRIND_LOG:-}"
44 VSWITCHD_VALGRIND_OPT="${VSWITCHD_VALGRIND_OPT:-}"
46 # Config variables specific to ovs-brcompatd
47 BRCOMPATD_PIDFILE="${BRCOMPATD_PIDFILE:-/var/run/ovs-brcompatd.pid}"
48 BRCOMPATD_PRIORITY="${BRCOMPATD_PRIORITY:--5}"
49 BRCOMPATD_LOGFILE="${BRCOMPATD_LOGFILE:-/var/log/ovs-brcompatd.log}"
50 BRCOMPATD_FILE_LOGLEVEL="${BRCOMPATD_FILE_LOGLEVEL:-}"
51 BRCOMPATD_SYSLOG_LOGLEVEL="${BRCOMPATD_SYSLOG_LOGLEVEL:-INFO}"
52 BRCOMPATD_MEMLEAK_LOGFILE="${BRCOMPATD_MEMLEAK_LOGFILE:-}"
53 BRCOMPATD_STRACE_LOG="${BRCOMPATD_STRACE_LOG:-}"
54 BRCOMPATD_STRACE_OPT="${BRCOMPATD_STRACE_OPT:-}"
55 BRCOMPATD_VALGRIND_LOG="${BRCOMPATD_VALGRIND_LOG:-}"
56 BRCOMPATD_VALGRIND_OPT="${BRCOMPATD_VALGRIND_OPT:-}"
61 # Full paths to executables & modules
62 vswitchd="$VSWITCH_BASE/sbin/ovs-vswitchd"
63 brcompatd="$VSWITCH_BASE/sbin/ovs-brcompatd"
64 dpctl="$VSWITCH_BASE/bin/ovs-dpctl"
65 appctl="$VSWITCH_BASE/bin/ovs-appctl"
66 ofctl="$VSWITCH_BASE/bin/ovs-ofctl"
69 if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
70 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
71 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
77 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
80 function turn_on_corefiles {
81 # This has global effect so should not normally be used...
83 echo "$COREFILE_PATTERN" > /proc/sys/kernel/core_pattern
86 function remove_all_dp {
87 for dp in $(dp_list); do
88 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
92 function insert_modules_if_required {
93 if ! lsmod | grep -q "openvswitch_mod"; then
94 action "Inserting llc module" modprobe llc
95 action "Inserting openvswitch module" insmod $VSWITCH_BASE/kernel_modules/openvswitch_mod.ko
97 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
98 action "Inserting brcompat module" insmod $VSWITCH_BASE/kernel_modules/brcompat_mod.ko
102 function remove_modules {
103 if lsmod | grep -q "brcompat_mod"; then
104 action "Removing brcompat module" rmmod brcompat_mod.ko
106 if lsmod | grep -q "openvswitch_mod"; then
107 action "Removing openvswitch module" rmmod openvswitch_mod.ko
111 function reload_vswitchd {
112 if [ -f "$VSWITCHD_PIDFILE" ]; then
114 --target=ovs-vswitchd.$(cat "$VSWITCHD_PIDFILE").ctl \
115 --execute=vswitchd/reload
119 function start_vswitchd {
120 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
121 local logfile_file_opt=""
122 local logfile_level_opt=""
123 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
124 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
125 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
128 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
129 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
130 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
131 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
136 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
137 printf "Can not start with both VALGRIND and STRACE\n"
140 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
141 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
144 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
145 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
148 local fake_proc_net_opt=""
149 if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
150 fake_proc_net_opt="--fake-proc-net"
152 if [ "$daemonize" != "y" ]; then
153 # Start in background and force a "success" message
154 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
155 (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$vswitchd" -P"$VSWITCHD_PIDFILE" -D $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_CONF") &
157 action "Starting ovs-vswitchd" nice -n "$VSWITCHD_PRIORITY" "$vswitchd" -P"$VSWITCHD_PIDFILE" -D $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_CONF"
161 function start_brcompatd {
162 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
163 local logfile_file_opt=""
164 local logfile_level_opt=""
165 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
166 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
167 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
170 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
171 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
172 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
173 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
178 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
179 printf "Can not start with both VALGRIND and STRACE\n"
182 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
183 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
186 if [ -n "$VALGRIND_LOG" ]; then
187 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
190 reload_cmd='/root/vswitch/bin/ovs-appctl -t /var/run/ovs-vswitchd.`cat /var/run/ovs-vswitchd.pid`.ctl -e vswitchd/reload 2>&1 | /usr/bin/logger -t brcompatd-reload'
191 if [ "$daemonize" != "y" ]; then
192 # Start in background and force a "success" message
193 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
194 (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --reload-command="$reload_cmd" -P$BRCOMPATD_PIDFILE -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_CONF") &
196 action "Starting ovs-brcompatd" nice -n "$BRCOMPATD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --reload-command="$reload_cmd" -P$BRCOMPATD_PIDFILE -D -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_CONF"
200 function stop_vswitchd {
201 if [ -f "$VSWITCHD_PIDFILE" ]; then
202 local pid=$(cat "$VSWITCHD_PIDFILE")
203 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
204 rm -f "$VSWITCHD_PIDFILE"
208 function stop_brcompatd {
209 if [ -f "$BRCOMPATD_PIDFILE" ]; then
210 local pid=$(cat "$BRCOMPATD_PIDFILE")
211 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
212 rm -f "$BRCOMPATD_PIDFILE"
216 function restart_approval {
218 # Don't prompt if invoked non-interactively.
225 Restarting vswitch on a live server is not guaranteed to work. It is
226 provided as a convenience for those situations in which it does work.
227 If you just want to reload the configuration file, use "reload"
231 read -s -r -n 1 -p "Countinue with restart (y/N): " response
244 if [ "$FORCE_COREFILES" = "y" ]; then
248 insert_modules_if_required
251 reload_vswitchd # ensures ovs-vswitchd has fully read config file.
260 if restart_approval; then
281 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
285 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
288 status -p ovs-vswitchd.pid ovs-vswitchd
289 status -p ovs-brcompatd.pid ovs-brcompatd
292 "$VSWITCH_BASE"/sbin/ovs-vswitchd -V
293 "$VSWITCH_BASE"/sbin/ovs-brcompatd -V
296 printf "vswitch [start|stop|restart|reload|unload|status|version]\n"
299 printf "Unknown command: $1\n"