#!/bin/bash
#
# vswitch
#
# chkconfig: 2345 09 91
# description: Manage vswitch kernel modules and user-space daemon
# Copyright (C) 2009 Nicira Networks, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
. /etc/init.d/functions
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="${COREFILE_PATTERN:-/var/log/%e-%t}"
# Config variables specific to ovs-vswitchd
VSWITCHD_CONF="${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:-}"
# 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="${BRCOMPATD_SYSLOG_LOGLEVEL:-WARN}"
BRCOMPATD_MEMLEAK_LOGFILE="${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:-}"
# 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="$VSWITCH_BASE/bin/ovs-ofctl"
if [ "$ENABLE_FAKE_PROC_NET" == "y" ]; then
if [ "$ENABLE_BRCOMPAT" != "y" ]; then
warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
ENABLE_BRCOMPAT="y"
fi
fi
function dp_list {
"$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
}
function remove_all_dp {
for dp in $(dp_list); do
action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
done
}
function insert_modules_if_required {
if ! lsmod | grep -q "openvswitch_mod"; then
action "Inserting llc module" modprobe llc
action "Inserting openvswitch module" insmod $VSWITCH_BASE/kernel_modules/openvswitch_mod.ko
fi
if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
action "Inserting brcompat module" insmod $VSWITCH_BASE/kernel_modules/brcompat_mod.ko
fi
}
function remove_modules {
if lsmod | grep -q "brcompat_mod"; then
action "Removing brcompat module" rmmod brcompat_mod.ko
fi
if lsmod | grep -q "openvswitch_mod"; then
action "Removing openvswitch module" rmmod openvswitch_mod.ko
fi
}
function reload_vswitchd {
if [ -f "$VSWITCHD_PIDFILE" ]; then
"$appctl" \
--target=ovs-vswitchd.$(cat "$VSWITCHD_PIDFILE").ctl \
--execute=vswitchd/reload
fi
}
function start_vswitchd {
local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
local logfile_file_opt=""
local logfile_level_opt=""
if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
fi
local leak_opt=""
if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
fi
fi
local strace_opt=""
local daemonize="y"
if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
printf "Can not start with both VALGRIND and STRACE\n"
exit 1
fi
if [ -n "$VSWITCHD_STRACE_LOG" ]; then
strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
daemonize="n"
fi
if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
daemonize="n"
fi
local fake_proc_net_opt=""
if [ "$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") &
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"
fi
}
function start_brcompatd {
local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
local logfile_file_opt=""
local logfile_level_opt=""
if [ -n "$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 "$BRCOMPATD_MEMLEAK_LOG" ]; then
leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
fi
fi
local strace_opt=""
local daemonize="y"
if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
printf "Can not start with both VALGRIND and STRACE\n"
exit 1
fi
if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
daemonize="n"
fi
if [ -n "$VALGRIND_LOG" ]; then
valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
daemonize="n"
fi
reload_cmd='/root/vswitch/bin/ovs-appctl -t /var/run/ovs-vswitchd.`cat /var/run/ovs-vswitchd.pid`.ctl -e vswitchd/reload 2>&1 | /usr/bin/logger -t brcompatd-reload'
if [ "$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") &
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"
fi
}
function stop_vswitchd {
if [ -f "$VSWITCHD_PIDFILE" ]; then
local pid=$(cat "$VSWITCHD_PIDFILE")
action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
rm -f "$VSWITCHD_PIDFILE"
fi
}
function stop_brcompatd {
if [ -f "$BRCOMPATD_PIDFILE" ]; then
local pid=$(cat "$BRCOMPATD_PIDFILE")
action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
rm -f "$BRCOMPATD_PIDFILE"
fi
}
function restart_approval {
if test ! -t 0; then
# Don't prompt if invoked non-interactively.
return 0
fi
cat <