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<h1>OpenNebula Virtual Infrastructure Manager driver</h1>
<p><a name="toc" id="toc"></a><a href="http://opennebula.org/">OpenNebula</a>
is a Virtual Infrastructure Manager that controls Virtual Machines (VM) in a pool of distributed resources
by orchestrating network, storage and virtualization technologies. The OpenNebula driver lets you manage your private or hybrid (<a href="http://aws.amazon.com/ec2/">Amazon EC2</a> or <a href="http://www.elastichosts.com/">Elastic Hosts</a> based) cloud using a standard libvirt interface, including the API as well as the related
tools and VM description files.</p>
<h2>
<a name="prereq" id="prereq"></a>Deployment pre-requisites</h2>
<ul><li>
<p style="margin-bottom: 0in">A working OpenNebula installation,
version 1.2 or higher.
</p>
</li></ul>
<h2>
<a name="uris" id="uris"></a>Connections to OpenNebula driver</h2>
<p>The Uri of the driver protocol is "one". Some example
connection Uris for the driver are:
</p>
<pre> one:/// (local access)
one+unix:/// (local access)
one://example.com/ (remote access)
one+tcp://example.com/ (remote access, SASl/Kerberos)
one+ssh://user@example.com/ (remote access, SSH tunnelled)
</pre>
<h2>
<a name="xmlconfig" id="xmlconfig"></a>Example domain XML config</h2>
<p>There are some limitations on the XML attributes that may be
specified when interfacing OpenNebula. The following xml example
details the attributes and options supported by the OpenNebula
driver:</p>
<h3>Paravirtualized guest direct kernel boot
</h3>
<pre> <domain type='one'>
<name>vm01</name>
<memory>32768</memory>
<vcpu>1</vcpu>
<os>
<type>linux</type>
<kernel>/boot/vmlinuz-2.6.24-17-xen</kernel>
<initrd>/boot/initrd.img-2.6.24-17-xen</initrd>
<cmdline></cmdline>
<root>sda1</root>
</os>
<devices>
<disk type='file' device='disk'>
<source file='/images/sgehosts/01/disk.img'/>
<target dev='sda1'/>
</disk>
<disk type='file' device='disk'>
<source file='/images/sgehosts/01/swap.img'/>
<target dev='sda2'/>
</disk>
<disk type='file' device='cdrom'>
<source file='/images/iso/cdrom.iso'/>
<target dev='hdc'/>
<readonly/>
</disk>
<!--BRIDGE-->
<interface type='bridge'>
<source bridge='eth0'/>
<mac address='00:16:3e:5d:c7:9e'/>
</interface>
<!--ONE Network-->
<interface type='network'>
<source network='onenetwork'/>
</interface>
</devices>
</domain>
</pre>
<p>
<b>Note:</b> The "<interface type='network'>" will
attach the interface to a previously configured network (named
<tt>onenetwork</tt>) within the <a href="http://opennebula.org/">OpenNebula</a> system, typically with the
<tt>onevnet</tt> CLI command.</p>
<p><b>Note</b>: OpenNebula supports the simultaneous use of different hypervisors, so you can specify any os type (linux or hvm) supported by your cluster.
</p>
<h2>Links</h2>
<ul><li><a href="http://www.opennebula.org/doku.php?id=documentation">OpenNebula Documentation</a>
</li><li><a href="http://www.opennebula.org/doku.php?id=documentation:rel1.2:ug">OpenNebula User Guide</a>
</li></ul>
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