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#!/bin/bash
# Copyright (c) 2011 Alexey I. Froloff.
#
# 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.
. /etc/init.d/functions
cd /etc/sysconfig/network-scripts
. ./network-functions
[ -f ../network ] && . ../network
CONFIG=${1}
TIMEOUT=10
need_config ${CONFIG}
source_config
OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${REAL_DEVICETYPE}"
if [ ! -x ${OTHERSCRIPT} ]; then
OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-eth"
fi
check_recursion ()
{
[ -n "${UPPEDSTACK}" ] && for _r in ${UPPEDSTACK}; do
[ "$_r" = "$1" ] && return 1
done
return 0
}
ifup_ovs_bridge ()
{
if ovs-vsctl br-exists "${OVS_BRIDGE}"; then :; else
/sbin/ifup "${OVS_BRIDGE}"
fi
}
if [ -z "${UPPEDSTACK}" ]; then
UPPEDSTACK="${DEVICE}"
fi
[ -n "${OVSREQUIRES}" ] && for _i in ${OVSREQUIRES}; do
if ( check_recursion "$_i" ); then
UPPEDSTACK="${UPPEDSTACK} $_i" /sbin/ifup "$_i"
fi
done
SERVICE_UNIT=/usr/lib/systemd/system/openvswitch-nonetwork.service
if [ -f $SERVICE_UNIT ] && [ -x /usr/bin/systemctl ]; then
if ! systemctl --quiet is-active openvswitch-nonetwork.service; then
systemctl start openvswitch-nonetwork.service
fi
else
if [ ! -f /var/lock/subsys/openvswitch ]; then
/sbin/service openvswitch start
fi
fi
case "$TYPE" in
OVSBridge)
# If bridge already exists and is up, it has been configured through
# other cases like OVSPort, OVSIntPort and OVSBond. If it is down or
# it does not exist, create it. It is possible for a bridge to exist
# because it remained in the OVSDB for some reason, but it won't be up.
if check_device_down "${DEVICE}"; then
ovs-vsctl -t ${TIMEOUT} -- --may-exist add-br "$DEVICE" $OVS_OPTIONS \
${OVS_EXTRA+-- $OVS_EXTRA} \
${STP+-- set bridge "$DEVICE" stp_enable="${STP}"}
else
OVSBRIDGECONFIGURED="yes"
fi
# If MACADDR is provided in the interface configuration file,
# we need to set it using ovs-vsctl; setting it with the "ip"
# command in ifup-eth does not make the change persistent.
if [ -n "$MACADDR" ]; then
ovs-vsctl -t ${TIMEOUT} -- set bridge "$DEVICE" \
other-config:hwaddr="$MACADDR"
fi
# When dhcp is enabled, the assumption is that there will be a port to
# attach (otherwise, we can't reach out for dhcp). So, we do not
# configure the bridge through rhel's ifup infrastructure unless
# it is being configured after the port has been configured.
# The "OVSINTF" is set only after the port is configured.
if [ "${OVSBOOTPROTO}" = "dhcp" ] && [ -n "${OVSINTF}" ]; then
case " ${OVSDHCPINTERFACES} " in
*" ${OVSINTF} "*)
BOOTPROTO=dhcp ${OTHERSCRIPT} ${CONFIG}
;;
esac
fi
# When dhcp is not enabled, it is possible that someone may want
# a standalone bridge (i.e it may not have any ports). Configure it.
if [ "${OVSBOOTPROTO}" != "dhcp" ] && [ -z "${OVSINTF}" ] && \
[ "${OVSBRIDGECONFIGURED}" != "yes" ]; then
${OTHERSCRIPT} ${CONFIG}
fi
exit 0
;;
OVSPort)
ifup_ovs_bridge
${OTHERSCRIPT} ${CONFIG} ${2}
ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
OVSINTF=${DEVICE} /sbin/ifup "$OVS_BRIDGE"
;;
OVSIntPort)
ifup_ovs_bridge
ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS -- set Interface "$DEVICE" type=internal ${OVS_EXTRA+-- $OVS_EXTRA}
if [ -n "${OVSDHCPINTERFACES}" ]; then
for _iface in ${OVSDHCPINTERFACES}; do
/sbin/ifup ${_iface}
done
fi
BOOTPROTO="${OVSBOOTPROTO}" ${OTHERSCRIPT} ${CONFIG} ${2}
;;
OVSBond)
ifup_ovs_bridge
for _iface in $BOND_IFACES; do
/sbin/ifup ${_iface}
done
ovs-vsctl -t ${TIMEOUT} -- --fake-iface add-bond "$OVS_BRIDGE" "$DEVICE" ${BOND_IFACES} $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
${OTHERSCRIPT} ${CONFIG} ${2}
OVSINTF=${DEVICE} /sbin/ifup "$OVS_BRIDGE"
;;
OVSTunnel)
ifup_ovs_bridge
ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS -- set Interface "$DEVICE" type=$OVS_TUNNEL_TYPE $OVS_TUNNEL_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
${OTHERSCRIPT} ${CONFIG} ${2}
;;
OVSPatchPort)
ifup_ovs_bridge
ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS -- set Interface "$DEVICE" type=patch options:peer="${OVS_PATCH_PEER}" ${OVS_EXTRA+-- $OVS_EXTRA}
;;
*)
echo $"Invalid OVS interface type $TYPE"
exit 1
;;
esac
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