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:-y}"
32 # Config variables specific to ovs-vswitchd
33 VSWITCHD_CONF="${VSWITCHD_CONF:-/etc/ovs-vswitchd.conf}"
34 VSWITCHD_PIDFILE="${VSWITCHD_PIDFILE:-/var/run/ovs-vswitchd.pid}"
35 VSWITCHD_RUN_DIR="${VSWITCHD_RUN_DIR:-/var/xen/vswitch}"
36 VSWITCHD_PRIORITY="${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="${BRCOMPATD_PIDFILE:-/var/run/ovs-brcompatd.pid}"
48 BRCOMPATD_RUN_DIR="${BRCOMPATD_RUN_DIR:-/var/xen/vswitch}"
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:-INFO}"
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 {
85 function remove_all_dp {
86 for dp in $(dp_list); do
87 action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
91 function insert_modules_if_required {
92 if ! lsmod | grep -q "openvswitch_mod"; then
93 action "Inserting llc module" modprobe llc
94 action "Inserting openvswitch module" insmod $VSWITCH_BASE/kernel_modules/openvswitch_mod.ko
96 if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
97 action "Inserting brcompat module" insmod $VSWITCH_BASE/kernel_modules/brcompat_mod.ko
101 function remove_modules {
102 if lsmod | grep -q "brcompat_mod"; then
103 action "Removing brcompat module" rmmod brcompat_mod.ko
105 if lsmod | grep -q "openvswitch_mod"; then
106 action "Removing openvswitch module" rmmod openvswitch_mod.ko
110 function reload_vswitchd {
111 if [ -f "$VSWITCHD_PIDFILE" ]; then
113 --target=ovs-vswitchd.$(cat "$VSWITCHD_PIDFILE").ctl \
114 --execute=vswitchd/reload
118 function start_vswitchd {
119 local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
120 local logfile_file_opt=""
121 local logfile_level_opt=""
122 if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
123 mkdir -p "$VSWITCHD_RUN_DIR"
125 cd "$VSWITCHD_RUN_DIR"
126 if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
127 logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
128 logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
131 if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
132 leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
133 if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
134 mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
139 if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
140 printf "Can not start with both VALGRIND and STRACE\n"
143 if [ -n "$VSWITCHD_STRACE_LOG" ]; then
144 strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
147 if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
148 valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
151 local fake_proc_net_opt=""
152 if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
153 fake_proc_net_opt="--fake-proc-net"
155 if [ "$daemonize" != "y" ]; then
156 # Start in background and force a "success" message
157 action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
158 (nice -n "$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") &
160 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"
164 function start_brcompatd {
165 local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
166 local logfile_file_opt=""
167 local logfile_level_opt=""
168 if [ -d "$BRCOMPATD_RUN_DIR" ]; then
169 mkdir -p "$BRCOMPATD_RUN_DIR"
171 cd "$BRCOMPATD_RUN_DIR"
172 if [ ! -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
173 logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
174 logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
177 if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
178 leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
179 if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
180 mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
185 if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
186 printf "Can not start with both VALGRIND and STRACE\n"
189 if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
190 strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
193 if [ -n "$VALGRIND_LOG" ]; then
194 valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
197 appctl_cmd="$appctl -t /var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl -e '%s'"
198 if [ "$daemonize" != "y" ]; then
199 # Start in background and force a "success" message
200 action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
201 (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") &
203 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"
207 function stop_vswitchd {
208 if [ -f "$VSWITCHD_PIDFILE" ]; then
209 local pid=$(cat "$VSWITCHD_PIDFILE")
210 action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
211 rm -f "$VSWITCHD_PIDFILE"
215 function stop_brcompatd {
216 if [ -f "$BRCOMPATD_PIDFILE" ]; then
217 local pid=$(cat "$BRCOMPATD_PIDFILE")
218 action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
219 rm -f "$BRCOMPATD_PIDFILE"
223 function restart_approval {
225 # Don't prompt if invoked non-interactively.
232 Restarting vswitch on a live server is not guaranteed to work. It is
233 provided as a convenience for those situations in which it does work.
234 If you just want to reload the configuration file, use "reload"
238 read -s -r -n 1 -p "Countinue with restart (y/N): " response
251 if [ "$FORCE_COREFILES" = "y" ]; then
255 insert_modules_if_required
257 # Increase the limit on the number of open file descriptors since
258 # ovs-vswitchd needs a few per bridge
263 reload_vswitchd # ensures ovs-vswitchd has fully read config file.
272 if restart_approval; then
293 strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
297 strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
300 status -p ovs-vswitchd.pid ovs-vswitchd
301 status -p ovs-brcompatd.pid ovs-brcompatd
304 "$VSWITCH_BASE"/sbin/ovs-vswitchd -V
305 "$VSWITCH_BASE"/sbin/ovs-brcompatd -V
308 printf "vswitch [start|stop|restart|reload|unload|status|version]\n"
311 printf "Unknown command: $1\n"