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#!/bin/sh # # Format: # bond=<bondname>[:<bondslaves>[:<options>[:<mtu>]]] # # bondslaves is a comma-separated list of physical (ethernet) interfaces # options is a comma-separated list on bonding options (modinfo bonding for details) in format compatible with initscripts # if options include multi-valued arp_ip_target option, then its values should be separated by semicolon. # # bond without parameters assumes bond=bond0:eth0,eth1:mode=balance-rr # # if the mtu is specified, it will be set on the bond master # # We translate list of slaves to space-separated here to make it easier to loop over them in ifup # Ditto for bonding options parsebond() { local v=${1}: set -- while [ -n "$v" ]; do set -- "$@" "${v%%:}" v=${v#:} done case $# in 0) bondname=bond0; bondslaves="eth0 eth1" ;; 1) bondname=$1; bondslaves="eth0 eth1" ;; 2) bondname=$1; bondslaves=$(str_replace "$2" "," " ") ;; 3) bondname=$1; bondslaves=$(str_replace "$2" "," " "); bondoptions=$(str_replace "$3" "," " ") ;; 4) bondname=$1; bondslaves=$(str_replace "$2" "," " "); bondoptions=$(str_replace "$3" "," " "); bondmtu=$4;; *) die "bond= requires zero to four parameters" ;; esac } # Parse bond for bondname, bondslaves, bondmode, bondoptions and bondmtu for bond in $(getargs bond=); do unset bondname unset bondslaves unset bondoptions unset bondmtu if [ "$bond" != "bond" ]; then parsebond "$bond" fi # Simple default bond if [ -z "$bondname" ]; then bondname=bond0 bondslaves="eth0 eth1" fi # Make it suitable for initscripts export bondoptions=$(str_replace "$bondoptions" ";" ",") echo "bondname=$bondname" > /tmp/bond.${bondname}.info echo "bondslaves=\"$bondslaves\"" >> /tmp/bond.${bondname}.info echo "bondoptions=\"$bondoptions\"" >> /tmp/bond.${bondname}.info echo "bondmtu=\"$bondmtu\"" >> /tmp/bond.${bondname}.info done