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|
#! /bin/sh
#
# Copyright (C) 2011, 2012, 2014 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
### BEGIN INIT INFO
# Provides: openvswitch-switch
# Required-Start: $network $named $remote_fs $syslog
# Required-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Open vSwitch switch
# Description: openvswitch-switch provides the userspace components and utilities for
# the Open vSwitch kernel-based switch.
### END INIT INFO
(test -x /usr/sbin/ovs-vswitchd && test -x /usr/sbin/ovsdb-server) || exit 0
. /usr/share/openvswitch/scripts/ovs-lib
test -e /etc/default/openvswitch-switch && . /etc/default/openvswitch-switch
network_interfaces () {
INTERFACES="/etc/network/interfaces"
[ -e "${INTERFACES}" ] || return
bridges=`awk '{ if ($1 == "allow-ovs") { print $2; } }' "${INTERFACES}"`
[ -n "${bridges}" ] && $1 --allow=ovs ${bridges}
}
load_kmod () {
ovs_ctl load-kmod || exit $?
}
start () {
if ovs_ctl load-kmod; then
:
else
echo "Module has probably not been built for this kernel."
echo "Please install Linux 3.3 or later with openvswitch kernel support."
if test X"$OVS_MISSING_KMOD_OK" = Xyes; then
# We're being invoked by the package postinst. Do not
# fail package installation just because the kernel module
# is not available.
exit 0
fi
fi
set ovs_ctl ${1-start} --system-id=random
if test X"$FORCE_COREFILES" != X; then
set "$@" --force-corefiles="$FORCE_COREFILES"
fi
set "$@" $OVS_CTL_OPTS
"$@" || exit $?
if [ "$2" = "start" ] && [ "$READ_INTERFACES" != "no" ]; then
network_interfaces ifup
fi
}
stop () {
[ "$READ_INTERFACES" != "no" ] && network_interfaces ifdown
ovs_ctl stop
}
restart () {
# OVS_FORCE_RELOAD_KMOD can be set by package postinst script.
if [ "$1" = "--save-flows=yes" ] || \
[ "${OVS_FORCE_RELOAD_KMOD}" = "no" ]; then
start restart
elif [ "${OVS_FORCE_RELOAD_KMOD}" = "yes" ]; then
depmod -a
if [ -e /sys/module/openvswitch ]; then
LOADED_SRCVERSION=`cat /sys/module/openvswitch/srcversion`
LOADED_VERSION=`cat /sys/module/openvswitch/version`
elif [ -e /sys/module/openvswitch_mod ]; then
LOADED_SRCVERSION=`cat /sys/module/openvswitch_mod/srcversion`
LOADED_VERSION=`cat /sys/module/openvswitch_mod/version`
fi
SRCVERSION=`modinfo -F srcversion openvswitch 2>/dev/null`
VERSION=`modinfo -F version openvswitch 2>/dev/null`
ovs_ctl_log "Package upgrading:\n"\
"Loaded version: ${LOADED_VERSION} ${LOADED_SRCVERSION}.\n"\
"Version on disk: ${VERSION} ${SRCVERSION}."
# If the kernel module was previously loaded and it is different than
# the kernel module on disk, then do a 'force-reload-kmod'.
if [ -n "${LOADED_SRCVERSION}" ] && [ -n "${SRCVERSION}" ] && \
[ "${SRCVERSION}" != "${LOADED_SRCVERSION}" ]; then
start force-reload-kmod
else
start restart
fi
else
READ_INTERFACES="no" stop
READ_INTERFACES="no" start
fi
}
case $1 in
start)
start
;;
stop | force-stop)
stop
;;
reload | force-reload)
# The OVS daemons keep up-to-date.
;;
restart)
shift
restart "$@"
;;
status)
ovs_ctl status
exit $?
;;
force-reload-kmod)
start force-reload-kmod
;;
load-kmod)
load_kmod
;;
*)
echo "Usage: $0 {start|stop|restart|force-reload|status|force-stop|force-reload-kmod|load-kmod}" >&2
exit 1
;;
esac
exit 0
|
