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| -rwxr-xr-x | tools/hv/bondvf.sh | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/tools/hv/bondvf.sh b/tools/hv/bondvf.sh new file mode 100755 index 000000000000..8e960234013d --- /dev/null +++ b/tools/hv/bondvf.sh @@ -0,0 +1,193 @@ +#!/bin/bash + +# This example script creates bonding network devices based on synthetic NIC +# (the virtual network adapter usually provided by Hyper-V) and the matching +# VF NIC (SRIOV virtual function). So the synthetic NIC and VF NIC can +# function as one network device, and fail over to the synthetic NIC if VF is +# down. +# +# Usage: +# - After configured vSwitch and vNIC with SRIOV, start Linux virtual +# machine (VM) +# - Run this scripts on the VM. It will create configuration files in +# distro specific directory. +# - Reboot the VM, so that the bonding config are enabled. +# +# The config files are DHCP by default. You may edit them if you need to change +# to Static IP or change other settings. +# + +sysdir=/sys/class/net +netvsc_cls={f8615163-df3e-46c5-913f-f2d2f965ed0e} +bondcnt=0 + +# Detect Distro +if [ -f /etc/redhat-release ]; +then + cfgdir=/etc/sysconfig/network-scripts + distro=redhat +elif grep -q 'Ubuntu' /etc/issue +then + cfgdir=/etc/network + distro=ubuntu +elif grep -q 'SUSE' /etc/issue +then + cfgdir=/etc/sysconfig/network + distro=suse +else + echo "Unsupported Distro" + exit 1 +fi + +echo Detected Distro: $distro, or compatible + +# Get a list of ethernet names +list_eth=(`cd $sysdir && ls -d */ | cut -d/ -f1 | grep -v bond`) +eth_cnt=${#list_eth[@]} + +echo List of net devices: + +# Get the MAC addresses +for (( i=0; i < $eth_cnt; i++ )) +do + list_mac[$i]=`cat $sysdir/${list_eth[$i]}/address` + echo ${list_eth[$i]}, ${list_mac[$i]} +done + +# Find NIC with matching MAC +for (( i=0; i < $eth_cnt-1; i++ )) +do + for (( j=i+1; j < $eth_cnt; j++ )) + do + if [ "${list_mac[$i]}" = "${list_mac[$j]}" ] + then + list_match[$i]=${list_eth[$j]} + break + fi + done +done + +function create_eth_cfg_redhat { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo DEVICE=$1 >>$fn + echo TYPE=Ethernet >>$fn + echo BOOTPROTO=none >>$fn + echo ONBOOT=yes >>$fn + echo NM_CONTROLLED=no >>$fn + echo PEERDNS=yes >>$fn + echo IPV6INIT=yes >>$fn + echo MASTER=$2 >>$fn + echo SLAVE=yes >>$fn +} + +function create_eth_cfg_pri_redhat { + create_eth_cfg_redhat $1 $2 +} + +function create_bond_cfg_redhat { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo DEVICE=$1 >>$fn + echo TYPE=Bond >>$fn + echo BOOTPROTO=dhcp >>$fn + echo ONBOOT=yes >>$fn + echo NM_CONTROLLED=no >>$fn + echo PEERDNS=yes >>$fn + echo IPV6INIT=yes >>$fn + echo BONDING_MASTER=yes >>$fn + echo BONDING_OPTS=\"mode=active-backup miimon=100 primary=$2\" >>$fn +} + +function create_eth_cfg_ubuntu { + local fn=$cfgdir/interfaces + + echo $'\n'auto $1 >>$fn + echo iface $1 inet manual >>$fn + echo bond-master $2 >>$fn +} + +function create_eth_cfg_pri_ubuntu { + local fn=$cfgdir/interfaces + + create_eth_cfg_ubuntu $1 $2 + echo bond-primary $1 >>$fn +} + +function create_bond_cfg_ubuntu { + local fn=$cfgdir/interfaces + + echo $'\n'auto $1 >>$fn + echo iface $1 inet dhcp >>$fn + echo bond-mode active-backup >>$fn + echo bond-miimon 100 >>$fn + echo bond-slaves none >>$fn +} + +function create_eth_cfg_suse { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo BOOTPROTO=none >>$fn + echo STARTMODE=auto >>$fn +} + +function create_eth_cfg_pri_suse { + create_eth_cfg_suse $1 +} + +function create_bond_cfg_suse { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo BOOTPROTO=dhcp >>$fn + echo STARTMODE=auto >>$fn + echo BONDING_MASTER=yes >>$fn + echo BONDING_SLAVE_0=$2 >>$fn + echo BONDING_SLAVE_1=$3 >>$fn + echo BONDING_MODULE_OPTS=\'mode=active-backup miimon=100 primary=$2\' >>$fn +} + +function create_bond { + local bondname=bond$bondcnt + local primary + local secondary + + local class_id1=`cat $sysdir/$1/device/class_id 2>/dev/null` + local class_id2=`cat $sysdir/$2/device/class_id 2>/dev/null` + + if [ "$class_id1" = "$netvsc_cls" ] + then + primary=$2 + secondary=$1 + elif [ "$class_id2" = "$netvsc_cls" ] + then + primary=$1 + secondary=$2 + else + return 0 + fi + + echo $'\nBond name:' $bondname + + echo configuring $primary + create_eth_cfg_pri_$distro $primary $bondname + + echo configuring $secondary + create_eth_cfg_$distro $secondary $bondname + + echo creating: $bondname with primary slave: $primary + create_bond_cfg_$distro $bondname $primary $secondary + + let bondcnt=bondcnt+1 +} + +for (( i=0; i < $eth_cnt-1; i++ )) +do + if [ -n "${list_match[$i]}" ] + then + create_bond ${list_eth[$i]} ${list_match[$i]} + fi +done |