122 lines
3.0 KiB
Bash
122 lines
3.0 KiB
Bash
# Copyright 2004-2007 Gentoo Foundation
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# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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bonding_depend() {
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before interface macchanger
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program /sbin/ifenslave
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}
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_config_vars="$_config_vars slaves"
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_is_bond() {
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[ -f "/proc/net/bonding/${IFACE}" ]
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}
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bonding_pre_start() {
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local s= slaves="$(_get_array "slaves_${IFVAR}")"
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[ -z "${slaves}" ] && return 0
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# Load the kernel module if required
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if [ ! -d /proc/net/bonding ] ; then
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if ! modprobe bonding ; then
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eerror "Cannot load the bonding module"
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return 1
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fi
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fi
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# We can create the interface name we like now, but this
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# requires sysfs
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if ! _exists && [ -d /sys/class/net ] ; then
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echo "+${IFACE}" > /sys/class/net/bonding_masters
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fi
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_exists true || return 1
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if ! _is_bond ; then
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eerror "${IFACE} is not capable of bonding"
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return 1
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fi
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ebegin "Adding slaves to ${IFACE}"
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eindent
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einfo "${slaves}"
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# Check that our slaves exist
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(
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for IFACE in ${slaves}; do
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_exists true || return 1
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done
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# Must force the slaves to a particular state before adding them
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for IFACE in ${slaves}; do
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_delete_addresses
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_up
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done
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)
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# now force the master to up
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_up
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# finally add in slaves
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eoutdent
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/sbin/ifenslave "${IFACE}" ${slaves} >/dev/null
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eend $?
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return 0 #important
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}
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bonding_stop() {
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_is_bond || return 0
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local slaves= s=
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slaves=$( \
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sed -n -e 's/^Slave Interface: //p' "/proc/net/bonding/${IFACE}" \
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| tr '\n' ' ' \
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)
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[ -z "${slaves}" ] && return 0
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# remove all slaves
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ebegin "Removing slaves from ${IFACE}"
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eindent
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einfo "${slaves}"
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eoutdent
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/sbin/ifenslave -d "${IFACE}" ${slaves}
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# reset all slaves
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(
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for IFACE in ${slaves}; do
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if _exists ; then
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_delete_addresses
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_down
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fi
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done
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)
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eend 0
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return 0
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}
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# vim: set ts=4 :
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