3 # Copyright (C) 2011, 2012 Nicira, Inc.
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at:
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
18 # Provides: openvswitch-switch
19 # Required-Start: $network $named $remote_fs $syslog
20 # Required-Stop: $remote_fs
21 # Default-Start: 2 3 4 5
23 # Short-Description: Open vSwitch switch
24 # Description: openvswitch-switch provides the userspace components and utilities for
25 # the Open vSwitch kernel-based switch.
28 (test -x /usr/sbin/ovs-vswitchd && test -x /usr/sbin/ovsdb-server) || exit 0
30 . /usr/share/openvswitch/scripts/ovs-lib
31 test -e /etc/default/openvswitch-switch && . /etc/default/openvswitch-switch
33 network_interfaces () {
34 INTERFACES="/etc/network/interfaces"
35 [ -e "${INTERFACES}" ] || return
36 bridges=`ifquery --allow ovs --list`
37 [ -n "${bridges}" ] && $1 --allow=ovs ${bridges}
41 ovs_ctl load-kmod || exit $?
45 if ovs_ctl load-kmod; then
48 echo "Module has probably not been built for this kernel."
49 if ! test -d /usr/share/doc/openvswitch-datapath-source; then
50 echo "Install the openvswitch-datapath-source package, then read"
52 echo "For instructions, read"
54 echo "/usr/share/doc/openvswitch-datapath-source/README.Debian"
56 if test X"$OVS_MISSING_KMOD_OK" = Xyes; then
57 # We're being invoked by the package postinst. Do not
58 # fail package installation just because the kernel module
63 set ovs_ctl ${1-start} --system-id=random
64 if test X"$FORCE_COREFILES" != X; then
65 set "$@" --force-corefiles="$FORCE_COREFILES"
67 set "$@" $OVS_CTL_OPTS
69 if [ "$2" = "start" ] && [ "$READ_INTERFACES" != "no" ]; then
70 network_interfaces ifup
75 [ "$READ_INTERFACES" != "no" ] && network_interfaces ifdown
80 # OVS_FORCE_RELOAD_KMOD can be set by package postinst script.
81 if [ "$1" = "--save-flows=yes" ] || \
82 [ "${OVS_FORCE_RELOAD_KMOD}" = "no" ]; then
84 elif [ "${OVS_FORCE_RELOAD_KMOD}" = "yes" ]; then
87 if [ -e /sys/module/openvswitch ]; then
88 LOADED_SRCVERSION=`cat /sys/module/openvswitch/srcversion`
89 LOADED_VERSION=`cat /sys/module/openvswitch/version`
90 elif [ -e /sys/module/openvswitch_mod ]; then
91 LOADED_SRCVERSION=`cat /sys/module/openvswitch_mod/srcversion`
92 LOADED_VERSION=`cat /sys/module/openvswitch_mod/version`
94 SRCVERSION=`modinfo -F srcversion openvswitch 2>/dev/null`
95 VERSION=`modinfo -F version openvswitch 2>/dev/null`
97 ovs_ctl_log "Package upgrading:\n"\
98 "Loaded version: ${LOADED_VERSION} ${LOADED_SRCVERSION}.\n"\
99 "Version on disk: ${VERSION} ${SRCVERSION}."
101 # If the kernel module was previously loaded and it is different than
102 # the kernel module on disk, then do a 'force-reload-kmod'.
103 if [ -n "${LOADED_SRCVERSION}" ] && [ -n "${SRCVERSION}" ] && \
104 [ "${SRCVERSION}" != "${LOADED_SRCVERSION}" ]; then
105 start force-reload-kmod
110 READ_INTERFACES="no" stop
111 READ_INTERFACES="no" start
122 reload | force-reload)
123 # The OVS daemons keep up-to-date.
134 start force-reload-kmod
140 echo "Usage: $0 {start|stop|restart|force-reload|status|force-stop|force-reload-kmod|load-kmod}" >&2