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#!/bin/bash
##############################################################################
##Copyright (c) 2015 Intel Corp.
##
## All rights reserved. This program and the accompanying materials
## are made available under the terms of the Apache License, Version 2.0
## which accompanies this distribution, and is available at
## http://www.apache.org/licenses/LICENSE-2.0
###############################################################################
source utils.sh
source host-config
HOST_IP=$( getHostIP )
#source qmp-sock for conmunication with qemu
qmp_sock_src="/tmp/qmp-sock-src"
#destination qmp-sock for conmunication with qemu, only for local live migration
qmp_sock_dst="/tmp/qmp-sock-dst"
VHOSTPATH1='/usr/local/var/run/openvswitch/vhost-user1'
VHOSTPATH2='/usr/local/var/run/openvswitch/vhost-user2'
VHOSTPATH3='/usr/local/var/run/openvswitch/vhost-user3'
VHOSTPATH4='/usr/local/var/run/openvswitch/vhost-user4'
MACADDRESS1='52:54:00:12:34:56'
MACADDRESS2='54:54:00:12:34:56'
#destination host ip address
incoming_ip=0
migrate_port=4444
max_down_time=10
OVSLOGFILE='/var/log/openvswitch/ovs-vswitchd.log'
function run_qemusrc() {
$qemu -enable-kvm -cpu host -smp ${guest_cpus} -chardev socket,id=char1,path=$VHOSTPATH1 \
-netdev type=vhost-user,id=net1,chardev=char1,vhostforce \
-device virtio-net-pci,netdev=net1,mac=$MACADDRESS1 \
-chardev socket,id=char2,path=$VHOSTPATH2 \
-netdev type=vhost-user,id=net2,chardev=char2,vhostforce \
-device virtio-net-pci,netdev=net2,mac=$MACADDRESS2 -m 1024 -mem-path /dev/hugepages \
-mem-prealloc -realtime mlock=on -monitor unix:${qmp_sock_src},server,nowait \
-balloon virtio -drive file=/root/guest1.qcow2 -vnc :1 &
if [ ${?} -ne 0 ] ; then
echo "Qemu Source not started"
exit 1
fi
}
function run_qemulisten() {
$qemu -enable-kvm -cpu host -smp ${guest_cpus} -chardev socket,id=char1,path=$VHOSTPATH3 \
-netdev type=vhost-user,id=net1,chardev=char1,vhostforce \
-device virtio-net-pci,netdev=net1,mac=$MACADDRESS1 \
-chardev socket,id=char2,path=$VHOSTPATH4 \
-netdev type=vhost-user,id=net2,chardev=char2,vhostforce \
-device virtio-net-pci,netdev=net2,mac=$MACADDRESS2 -m 1024 -mem-path /dev/hugepages \
-mem-prealloc -realtime mlock=on -monitor unix:${qmp_sock_dst},server,nowait \
-balloon virtio -drive file=/root/guest1.qcow2 -incoming tcp:${incoming_ip}:${migrate_port} -vnc :3 &
if [ ${?} -ne 0 ] ; then
echo "Qemu Standby not started"
exit 1
fi
}
function do_migration() {
local src=$1
local dst=$2
#with no speed limit
echo "migrate_set_speed 0" |nc -U $src
#set the expected max downtime
echo "migrate_set_downtime ${max_down_time}" |nc -U $src
#start live migration
echo "migrate -d tcp:${incoming_ip}:${migrate_port}" |nc -U $src
#wait until live migration completed
status=""
while [ "${status}" == "" ]
do
status=`echo "info migrate" | nc -U $src |grep completed | cut -d: -f2`
echo ${status}
sleep 1;
done
#get the related data
status=`echo "info migrate" | nc -U $src |grep completed | cut -d: -f2`
total_time=`echo "info migrate" | nc -U $src |grep "total time" | cut -d: -f2`
down_time=`echo "info migrate" | nc -U $src |grep "downtime" | cut -d: -f2`
#print detail information
echo "info migrate" | nc -U $src
echo "quit" | nc -U $src
echo "quit" | nc -U $dst
sleep 5
echo "Migration executed successfully"
}
echo "Running Qemu Source"
run_qemusrc
sleep 60
echo "Running Qemu listen"
run_qemulisten
sleep 60
do_migration $qmp_sock_src $qmp_sock_dst
if [ ${?} -ne 0 ] ; then
echo "Migration Failed"
exit 1
fi
|
