# chkconfig: 2345 09 91
# description: Manage vswitch kernel modules and user-space daemon
-# Copyright (C) 2009 Nicira Networks, Inc.
+# Copyright (C) 2009, 2010 Nicira Networks, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
test -e /etc/sysconfig/vswitch && . /etc/sysconfig/vswitch
# General config variables in /etc/sysconfig/vswitch
-VSWITCH_BASE="${VSWITCH_BASE:-/root/vswitch}"
-ENABLE_BRCOMPAT="${ENABLE_BRCOMPAT:-y}"
-ENABLE_FAKE_PROC_NET="${ENABLE_FAKE_PROC_NET:-y}"
-FORCE_COREFILES="${FORCE_COREFILES:-n}"
-COREFILE_PATTERN="${COREFILE_PATTERN:-/var/log/%e-%t}"
+: ${ENABLE_BRCOMPAT:=y}
+: ${ENABLE_FAKE_PROC_NET:=y}
+: ${ENABLE_MONITOR:=y}
+: ${FORCE_COREFILES:=y}
+
+# Config variables specific to ovsdb-server
+: ${OVSDB_SERVER_REMOTES:=punix:/var/run/ovsdb-server db:Open_vSwitch,managers}
+: ${OVSDB_SERVER_DB:=/etc/ovs-vswitchd.conf.db}
+: ${OVSDB_SERVER_PIDFILE:=/var/run/ovsdb-server.pid}
+: ${OVSDB_SERVER_RUN_DIR:=/var/xen/vswitch}
+: ${OVSDB_SERVER_PRIORITY:=-10}
+: ${OVSDB_SERVER_LOGFILE:=/var/log/ovsdb-server.log}
+: ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
+: ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
+: ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
+: ${OVSDB_SERVER_STRACE_LOG:=}
+: ${OVSDB_SERVER_STRACE_OPT:=}
+: ${OVSDB_SERVER_VALGRIND_LOG:=}
+: ${OVSDB_SERVER_VALGRIND_OPT:=}
# Config variables specific to ovs-vswitchd
-VSWITCHD_CONF="${VSWITCHD_CONF:-/etc/ovs-vswitchd.conf}"
-VSWITCHD_PIDFILE="${VSWITCHD_PIDFILE:-/var/run/ovs-vswitchd.pid}"
-VSWITCHD_PRIORITY="${VSWITCHD_PRIORITY:--5}"
-VSWITCHD_LOGFILE="${VSWITCHD_LOGFILE:-/var/log/ovs-vswitchd.log}"
-VSWITCHD_FILE_LOGLEVEL="${VSWITCHD_FILE_LOGLEVEL:-}"
-VSWITCHD_SYSLOG_LOGLEVEL="${VSWITCHD_SYSLOG_LOGLEVEL:-WARN}"
-VSWITCHD_MEMLEAK_LOGFILE="${VSWITCHD_MEMLEAK_LOGFILE:-}"
-VSWITCHD_STRACE_LOG="${VSWITCHD_STRACE_LOG:-}"
-VSWITCHD_STRACE_OPT="${VSWITCHD_STRACE_OPT:-}"
-VSWITCHD_VALGRIND_LOG="${VSWITCHD_VALGRIND_LOG:-}"
-VSWITCHD_VALGRIND_OPT="${VSWITCHD_VALGRIND_OPT:-}"
+: ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/ovsdb-server}
+: ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/vswitch/vswitch.ovsschema}
+: ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
+: ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
+: ${VSWITCHD_PRIORITY:=-10}
+: ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
+: ${VSWITCHD_FILE_LOGLEVEL:=INFO}
+: ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
+: ${VSWITCHD_MEMLEAK_LOGFILE:=}
+: ${VSWITCHD_STRACE_LOG:=}
+: ${VSWITCHD_STRACE_OPT:=}
+: ${VSWITCHD_VALGRIND_LOG:=}
+: ${VSWITCHD_VALGRIND_OPT:=}
# Config variables specific to ovs-brcompatd
-BRCOMPATD_PIDFILE="${BRCOMPATD_PIDFILE:-/var/run/ovs-brcompatd.pid}"
-BRCOMPATD_PRIORITY="${BRCOMPATD_PRIORITY:--5}"
-BRCOMPATD_LOGFILE="${BRCOMPATD_LOGFILE:-/var/log/ovs-brcompatd.log}"
-BRCOMPATD_FILE_LOGLEVEL="${BRCOMPATD_FILE_LOGLEVEL:-}"
-BRCOMPATD_SYSLOG_LOGLEVEL="${BRCOMPATD_SYSLOG_LOGLEVEL:-INFO}"
-BRCOMPATD_MEMLEAK_LOGFILE="${BRCOMPATD_MEMLEAK_LOGFILE:-}"
-BRCOMPATD_STRACE_LOG="${BRCOMPATD_STRACE_LOG:-}"
-BRCOMPATD_STRACE_OPT="${BRCOMPATD_STRACE_OPT:-}"
-BRCOMPATD_VALGRIND_LOG="${BRCOMPATD_VALGRIND_LOG:-}"
-BRCOMPATD_VALGRIND_OPT="${BRCOMPATD_VALGRIND_OPT:-}"
-
-
-
+: ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
+: ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
+: ${BRCOMPATD_PRIORITY:=-10}
+: ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
+: ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
+: ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
+: ${BRCOMPATD_MEMLEAK_LOGFILE:=}
+: ${BRCOMPATD_STRACE_LOG:=}
+: ${BRCOMPATD_STRACE_OPT:=}
+: ${BRCOMPATD_VALGRIND_LOG:=}
+: ${BRCOMPATD_VALGRIND_OPT:=}
# Full paths to executables & modules
-vswitchd="$VSWITCH_BASE/sbin/ovs-vswitchd"
-brcompatd="$VSWITCH_BASE/sbin/ovs-brcompatd"
-dpctl="$VSWITCH_BASE/bin/ovs-dpctl"
-appctl="$VSWITCH_BASE/bin/ovs-appctl"
-ofctl="$VSWITCH_BASE/bin/ovs-ofctl"
+ovsdb_server="/usr/sbin/ovsdb-server"
+ovsdb_tool="/usr/bin/ovsdb-tool"
+vswitchd="/usr/sbin/ovs-vswitchd"
+brcompatd="/usr/sbin/ovs-brcompatd"
+dpctl="/usr/bin/ovs-dpctl"
+appctl="/usr/bin/ovs-appctl"
+ofctl="/usr/bin/ovs-ofctl"
+vsctl="/usr/bin/ovs-vsctl"
-
-if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
+if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
if [ "$ENABLE_BRCOMPAT" != "y" ]; then
warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
ENABLE_BRCOMPAT="y"
fi
fi
+if test "$ENABLE_MONITOR" = "y"; then
+ monitor_opt="--monitor"
+else
+ monitor_opt=
+fi
+
function dp_list {
"$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
}
function turn_on_corefiles {
- # This has global effect so should not normally be used...
- ulimit -c unlimited
- echo "$COREFILE_PATTERN" > /proc/sys/kernel/core_pattern
+ ulimit -Sc 67108864
}
function remove_all_dp {
function insert_modules_if_required {
if ! lsmod | grep -q "openvswitch_mod"; then
action "Inserting llc module" modprobe llc
- action "Inserting openvswitch module" insmod $VSWITCH_BASE/kernel_modules/openvswitch_mod.ko
+ action "Inserting openvswitch module" modprobe openvswitch_mod
fi
if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
- action "Inserting brcompat module" insmod $VSWITCH_BASE/kernel_modules/brcompat_mod.ko
+ action "Inserting brcompat module" modprobe brcompat_mod
+ fi
+ if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
+ action "Inserting ip_gre module" modprobe ip_gre_mod
fi
}
if lsmod | grep -q "openvswitch_mod"; then
action "Removing openvswitch module" rmmod openvswitch_mod.ko
fi
+ if lsmod | grep -q "ip_gre_mod"; then
+ action "Removing ip_gre module" rmmod ip_gre_mod.ko
+ fi
}
-function reload_vswitchd {
- if [ -f "$VSWITCHD_PIDFILE" ]; then
- "$appctl" \
- --target=ovs-vswitchd.$(cat "$VSWITCHD_PIDFILE").ctl \
- --execute=vswitchd/reload
+function start_ovsdb_server {
+ local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
+ local logfile_file_opt=""
+ local logfile_level_opt=""
+ if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
+ mkdir -p "$OVSDB_SERVER_RUN_DIR"
+ fi
+ cd "$OVSDB_SERVER_RUN_DIR"
+ local remotes=
+ for remote in $OVSDB_SERVER_REMOTES; do
+ remotes="$remotes --remote=$remote"
+ done
+ if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
+ logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
+ logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
+ fi
+ local leak_opt=""
+ if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
+ leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
+ if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
+ mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
+ fi
+ fi
+ local strace_opt=""
+ local daemonize="y"
+ if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
+ printf "Can not start with both VALGRIND and STRACE\n"
+ exit 1
+ fi
+ if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
+ strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
+ daemonize="n"
+ fi
+ if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
+ valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
+ daemonize="n"
+ fi
+ if [ "$daemonize" != "y" ]; then
+ # Start in background and force a "success" message
+ action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
+ (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 $remotes) &
+ else
+ action "Starting ovsdb-server" nice -n "$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 $remotes
fi
}
local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
local logfile_file_opt=""
local logfile_level_opt=""
+ if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
+ mkdir -p "$VSWITCHD_RUN_DIR"
+ fi
+ cd "$VSWITCHD_RUN_DIR"
if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
daemonize="n"
fi
local fake_proc_net_opt=""
- if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
+ if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
fake_proc_net_opt="--fake-proc-net"
fi
if [ "$daemonize" != "y" ]; then
# Start in background and force a "success" message
action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
- (nice -n "$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") &
+ (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 $leak_opt "$VSWITCHD_OVSDB_SERVER") &
else
- 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"
+ 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 $leak_opt "$VSWITCHD_OVSDB_SERVER"
fi
}
local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
local logfile_file_opt=""
local logfile_level_opt=""
+ if [ -d "$BRCOMPATD_RUN_DIR" ]; then
+ mkdir -p "$BRCOMPATD_RUN_DIR"
+ fi
+ cd "$BRCOMPATD_RUN_DIR"
if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
fi
local leak_opt=""
- if [ -n "$BRCOMPATD_MEMLEAK_LOG" ]; then
+ if [ -n "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
daemonize="n"
fi
- reload_cmd='/root/vswitch/bin/ovs-appctl -t /var/run/ovs-vswitchd.`cat /var/run/ovs-vswitchd.pid`.ctl -e vswitchd/reload 2>&1 | /usr/bin/logger -t brcompatd-reload'
+ appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
if [ "$daemonize" != "y" ]; then
# Start in background and force a "success" message
action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
- (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") &
+ (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") &
else
- 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"
+ 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"
+ fi
+}
+
+function stop_ovsdb_server {
+ if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
+ local pid=$(cat "$OVSDB_SERVER_PIDFILE")
+ action "Killing ovsdb-server ($pid)" kill -TERM $pid
+ rm -f "$OVSDB_SERVER_PIDFILE"
fi
}
Restarting vswitch on a live server is not guaranteed to work. It is
provided as a convenience for those situations in which it does work.
-If you just want to reload the configuration file, use "reload"
-instead of restart.
EOF
read -s -r -n 1 -p "Countinue with restart (y/N): " response
esac
}
+function set_system_uuid {
+ system_uuid=$(. /etc/xensource-inventory && echo $INSTALLATION_UUID)
+ if test -n "$system_uuid"; then
+ action "Configuring Open vSwitch system UUID" true
+ $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$system_uuid"
+ else
+ action "Configuring Open vSwitch system UUID" false
+ fi
+}
+
function start {
if [ "$FORCE_COREFILES" = "y" ]; then
turn_on_corefiles
fi
insert_modules_if_required
+
+ # Increase the limit on the number of open file descriptors since
+ # ovs-vswitchd needs a few per bridge
+ ulimit -n 4096
+
+ # Allow GRE traffic.
+ iptables -I INPUT -p gre -j ACCEPT
+
+ if [ ! -e "$OVSDB_SERVER_DB" ]; then
+ warning "$OVSDB_SERVER_DB does not exist"
+
+ action "Creating empty database $OVSDB_SERVER_DB" true
+ $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
+ else
+ # Upgrade or downgrade schema and compact database.
+ $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
+ fi
+
+ start_ovsdb_server
+ $vsctl --no-wait init
+ if [ ! -e /var/run/vswitch.booted ]; then
+ touch /var/run/vswitch.booted
+ for bridge in $($vsctl list-br); do
+ $vsctl --no-wait del-br $bridge
+ done
+ fi
+
+ set_system_uuid
+
start_vswitchd
start_brcompatd
- reload_vswitchd # ensures ovs-vswitchd has fully read config file.
+ touch /var/lock/subsys/vswitch
}
function stop {
stop_brcompatd
stop_vswitchd
+ stop_ovsdb_server
+ rm -f /var/lock/subsys/vswitch
}
function restart {
restart)
restart
;;
- reload)
- reload_vswitchd
- ;;
strace-vswitchd)
shift
strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
;;
status)
- status -p ovs-vswitchd.pid ovs-vswitchd
- status -p ovs-brcompatd.pid ovs-brcompatd
+ status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server
+ status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
+ status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd
;;
version)
- "$VSWITCH_BASE"/sbin/ovs-vswitchd -V
- "$VSWITCH_BASE"/sbin/ovs-brcompatd -V
+ /usr/sbin/ovsdb-server -V
+ /usr/sbin/ovs-vswitchd -V
+ /usr/sbin/ovs-brcompatd -V
;;
help)
- printf "vswitch [start|stop|restart|reload|unload|status|version]\n"
+ printf "vswitch [start|stop|restart|unload|status|version]\n"
;;
*)
printf "Unknown command: $1\n"