====== Upgrade LIBVIRT to 1.0.0 compiled (experimental) ======

  * Initial deployment (see [[hypervisor:deploy|Deploy KVM + Open vSwitch + iSCSI + Ubuntu 12.04 x64]])
Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-23-generic x86_64)\\ 
libvirt 0.9.8 (from package)\\ 
ovs_version: "1.4.0+build0" (from package)

  * Download souce code

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<code>
# wget http://libvirt.org/sources/libvirt-1.0.0.tar.gz
# tar -xvzf libvirt-1.0.0.tar.gz
</code>
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  * Install extra packages

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<code>
# apt-get install libxml2-dev libgnutls-dev libyajl-dev libnl-dev pkg-config libdevmapper-dev python-dev
</code>
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  * Compile

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<code>
# ./configure --prefix=/usr --localstatedir=/var --sysconfdir=/etc --with-esx=no
# make
# make install
</code>
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  * Edit libvirtd config

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<code>
# diff /etc/libvirt/libvirtd.conf /etc/libvirt/libvirtd.conf.ORI

< unix_sock_group = "libvirtd"
---
> #unix_sock_group = "libvirt"

< unix_sock_rw_perms = "0770"
---
> #unix_sock_rw_perms = "0770"

< auth_unix_ro = "none"
---
> #auth_unix_ro = "none"

< auth_unix_rw = "none"
---
> #auth_unix_rw = "none"
</code>
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  * Remove libvirt default network

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<code>
# virsh net-destroy default
# virsh net-autostart --disable default
</code>
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  * Edit OpenvSwitch conf

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<code>
# nano -w /etc/default/openvswitch-switch
     BRCOMPAT=no
</code>
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  * Edit OVS bridges

Leave only main bridge
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<code>
# ovs-vsctl del-br br2
# ovs-vsctl del-br br3
</code>
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  * Edit interfaces

Remove dummy entries in /etc/network/interfaces
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<code>
# nano -w /etc/network/interfaces

auto eth0
iface eth0 inet manual
up ifconfig $IFACE 0.0.0.0 up
down ifconfig $IFACE down

auto br0
iface br0 inet manual
up ifconfig $IFACE 0.0.0.0 up
down ifconfig $IFACE down
</code>
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  * Reboot

  * Configure KVM network

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<code>
# nano -w mynet-ovs.xml
</code>
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<code xml>
<network>
  <name>ovs-network</name>
  <forward mode='bridge'/>
  <bridge name='br0'/>
  <virtualport type='openvswitch'/>
  <portgroup name='vmport0' default='yes'>
  </portgroup>
  <portgroup name='vmport2'>
    <vlan trunk='yes'>
      <tag id='0'/>
      <tag id='2'/>
      <tag id='3'/>
    </vlan>
  </portgroup>
</network>
</code>
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<code>
# virsh net-define mynet-ovs.xml
# virsh net-start 
</code>
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  * VM network example

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<code xml>
    <interface type='network'>
      <mac address='52:54:00:bd:6c:2a'/>
      <source network='ovs-network' portgroup='vmport0'/>
      <target dev='vnet0'/>
      <alias name='net0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
</code>
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x ⇒
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⇐ [[hypervisor:fromesxiws|Migrate from esxi 4.1 (Windows server 2003)]]
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⇑ [[hypervisor:start|Hypervisor]]
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