5 # chkconfig: 2345 09 91
6 # description: Manage vswitch kernel modules and user-space daemon
8 # Copyright (C) 2009 Nicira Networks, Inc.
10 # This program is free software: you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation, either version 3 of the License, or
13 # (at your option) any later version.
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 . /etc/init.d/functions
25 test -e /etc/sysconfig/vswitch && . /etc/sysconfig/vswitch
27 # General config variables in /etc/sysconfig/vswitch
28 VSWITCH_BASE="${VSWITCH_BASE:-/root/vswitch}"
29 ENABLE_BRCOMPAT="${ENABLE_BRCOMPAT:-y}"
30 ENABLE_FAKE_PROC_NET="${ENABLE_FAKE_PROC_NET:-y}"
31 FORCE_COREFILES="${FORCE_COREFILES:-n}"
32 COREFILE_PATTERN="${COREFILE_PATTERN:-/var/log/%e-%t}"
34 # Config variables specific to ovs-vswitchd
35 VSWITCHD_CONF="${VSWITCHD_CONF:-/etc/ovs-vswitchd.conf}"
36 VSWITCHD_PIDFILE="${VSWITCHD_PIDFILE:-/var/run/ovs-vswitchd.pid}"
37 VSWITCHD_PRIORITY="${VSWITCHD_PRIORITY:--5}"
38 VSWITCHD_LOGFILE="${VSWITCHD_LOGFILE:-/var/log/ovs-vswitchd.log}"
39 VSWITCHD_FILE_LOGLEVEL="${VSWITCHD_FILE_LOGLEVEL:-}"
40 VSWITCHD_SYSLOG_LOGLEVEL="${VSWITCHD_SYSLOG_LOGLEVEL:-WARN}"
41 VSWITCHD_MEMLEAK_LOGFILE="${VSWITCHD_MEMLEAK_LOGFILE:-}"
42 VSWITCHD_STRACE_LOG="${VSWITCHD_STRACE_LOG:-}"
43 VSWITCHD_STRACE_OPT="${VSWITCHD_STRACE_OPT:-}"
44 VSWITCHD_VALGRIND_LOG="${VSWITCHD_VALGRIND_LOG:-}"
45 VSWITCHD_VALGRIND_OPT="${VSWITCHD_VALGRIND_OPT:-}"
47 # Config variables specific to ovs-brcompatd
48 BRCOMPATD_PIDFILE="${BRCOMPATD_PIDFILE:-/var/run/ovs-brcompatd.pid}"
49 BRCOMPATD_PRIORITY="${BRCOMPATD_PRIORITY:--5}"
50 BRCOMPATD_LOGFILE="${BRCOMPATD_LOGFILE:-/var/log/ovs-brcompatd.log}"
51 BRCOMPATD_FILE_LOGLEVEL="${BRCOMPATD_FILE_LOGLEVEL:-}"
52 BRCOMPATD_SYSLOG_LOGLEVEL="${BRCOMPATD_SYSLOG_LOGLEVEL:-WARN}"
53 BRCOMPATD_MEMLEAK_LOGFILE="${BRCOMPATD_MEMLEAK_LOGFILE:-}"
54 BRCOMPATD_STRACE_LOG="${BRCOMPATD_STRACE_LOG:-}"
55 BRCOMPATD_STRACE_OPT="${BRCOMPATD_STRACE_OPT:-}"
56 BRCOMPATD_VALGRIND_LOG="${BRCOMPATD_VALGRIND_LOG:-}"
57 BRCOMPATD_VALGRIND_OPT="${BRCOMPATD_VALGRIND_OPT:-}"
62 # Full paths to executables & modules
63 vswitchd="$VSWITCH_BASE/sbin/ovs-vswitchd"
64 brcompatd="$VSWITCH_BASE/sbin/ovs-brcompatd"
65 dpctl="$VSWITCH_BASE/bin/ovs-dpctl"
66 appctl="$VSWITCH_BASE/bin/ovs-appctl"
67 ofctl="$VSWITCH_BASE/bin/ovs-ofctl"
70 if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
71 if [ "$ENABLE_BRCOMPAT" != "y" ]; then
72 warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
78 "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
81 function turn_on_corefiles {
82 # This has global effect so should not normally be used...
84 echo "$COREFILE_PATTERN" > /proc/sys/kernel/core_pattern
87 function remove_all_dp {
88 for dp in $(dp_list); do
89 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
93 function insert_modules_if_required {
94 if ! lsmod | grep -q "openvswitch_mod"; then
95 action "Inserting llc module" modprobe llc
96 action "Inserting openvswitch module" insmod $VSWITCH_BASE/kernel_modules/openvswitch_mod.ko
98 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
99 action "Inserting brcompat module" insmod $VSWITCH_BASE/kernel_modules/brcompat_mod.ko
103 function remove_modules {
104 if lsmod | grep -q "brcompat_mod"; then
105 action "Removing brcompat module" rmmod brcompat_mod.ko
107 if lsmod | grep -q "openvswitch_mod"; then
108 action "Removing openvswitch module" rmmod openvswitch_mod.ko
112 function reload_vswitchd {
113 if [ -f "$VSWITCHD_PIDFILE" ]; then
115 --target=ovs-vswitchd.$(cat "$VSWITCHD_PIDFILE").ctl \
116 --execute=vswitchd/reload
120 function start_vswitchd {
121 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
122 local logfile_file_opt=""
123 local logfile_level_opt=""
124 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
125 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
126 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
129 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
130 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
131 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
132 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
137 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
138 printf "Can not start with both VALGRIND and STRACE\n"
141 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
142 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
145 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
146 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
149 local fake_proc_net_opt=""
150 if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
151 fake_proc_net_opt="--fake-proc-net"
153 if [ "$daemonize" != "y" ]; then
154 # Start in background and force a "success" message
155 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
156 (nice -n "$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") &
158 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"
162 function start_brcompatd {
163 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
164 local logfile_file_opt=""
165 local logfile_level_opt=""
166 if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
167 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
168 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
171 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
172 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
173 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
174 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
179 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
180 printf "Can not start with both VALGRIND and STRACE\n"
183 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
184 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
187 if [ -n "$VALGRIND_LOG" ]; then
188 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
191 reload_cmd='/root/vswitch/bin/ovs-appctl -t /var/run/ovs-vswitchd.`cat /var/run/ovs-vswitchd.pid`.ctl -e vswitchd/reload 2>&1 | /usr/bin/logger -t brcompatd-reload'
192 if [ "$daemonize" != "y" ]; then
193 # Start in background and force a "success" message
194 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
195 (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") &
197 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"
201 function stop_vswitchd {
202 if [ -f "$VSWITCHD_PIDFILE" ]; then
203 local pid=$(cat "$VSWITCHD_PIDFILE")
204 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
205 rm -f "$VSWITCHD_PIDFILE"
209 function stop_brcompatd {
210 if [ -f "$BRCOMPATD_PIDFILE" ]; then
211 local pid=$(cat "$BRCOMPATD_PIDFILE")
212 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
213 rm -f "$BRCOMPATD_PIDFILE"
217 function restart_approval {
219 # Don't prompt if invoked non-interactively.
226 Restarting vswitch on a live server is not guaranteed to work. It is
227 provided as a convenience for those situations in which it does work.
228 If you just want to reload the configuration file, use "reload"
232 read -s -r -n 1 -p "Countinue with restart (y/N): " response
245 if [ "$FORCE_COREFILES" = "y" ]; then
249 insert_modules_if_required
252 reload_vswitchd # ensures ovs-vswitchd has fully read config file.
261 if restart_approval; then
282 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
286 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
289 status -p ovs-vswitchd.pid ovs-vswitchd
290 status -p ovs-brcompatd.pid ovs-brcompatd
293 "$VSWITCH_BASE"/sbin/ovs-vswitchd -V
294 "$VSWITCH_BASE"/sbin/ovs-brcompatd -V
297 printf "vswitch [start|stop|restart|reload|unload|status|version]\n"
300 printf "Unknown command: $1\n"