core-extra/scripts/xen/vif-core

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#!/bin/bash
#============================================================================
# ${XEN_SCRIPT_DIR}/vif-bridge
#
# Script for configuring a vif in bridged mode.
# The hotplugging system will call this script if it is specified either in
# the device configuration given to Xend, or the default Xend configuration
# in ${XEN_CONFIG_DIR}/xend-config.sxp. If the script is specified in
# neither of those places, then this script is the default.
#
# Usage:
# vif-bridge (add|remove|online|offline)
#
# Environment vars:
# vif vif interface name (required).
# XENBUS_PATH path to this device's details in the XenStore (required).
#
# Read from the store:
# bridge bridge to add the vif to (optional). Defaults to searching for the
# bridge itself.
# ip list of IP networks for the vif, space-separated (optional).
#
# up:
# Enslaves the vif interface to the bridge and adds iptables rules
# for its ip addresses (if any).
#
# down:
# Removes the vif interface from the bridge and removes the iptables
# rules for its ip addresses (if any).
#============================================================================
dir=$(dirname "$0")
. "$dir/vif-common.sh"
case "$command" in
online)
do_without_error ifconfig "$vif" up
;;
offline)
do_without_error ifconfig "$vif" down
;;
esac
log debug "Successful vif-core $command for $vif, bridge $bridge."
if [ "$command" == "online" ]
then
success
fi