core-admin/templates/libvirt/xen.xml

<domain type="xen">
<name>{% if prepare_dvm %}%NAME%{% else %}{{ vm.name }}{% endif %}</name>
    <uuid>{{ vm.uuid }}</uuid>
    <memory unit="MiB">{{ vm.maxmem }}</memory>
    <currentMemory unit="MiB">{{ vm.memory }}</currentMemory>
    <vcpu placement="static">{{ vm.vcpus }}</vcpu>
    <os>
    {% if vm.hvm %}
        <type arch="x86_64" machine="xenfv">hvm</type>
        <loader>hvmloader</loader>
        <boot dev="cdrom" />
        <boot dev="hd" />
<!-- server_ip is the address of stubdomain. It hosts it's own DNS server. -->
    {% else %}
        <type arch="x86_64" machine="xenpv">linux</type>
        <kernel>{{ vm.storage.kernels_dir }}/vmlinuz</kernel>
        <initrd>{{ vm.storage.kernels_dir }}/initramfs</initrd>
        <cmdline>root=/dev/mapper/dmroot ro nomodeset console=hvc0 rd_NO_PLYMOUTH 3 {{ vm.kernelopts }}</cmdline>
    {% endif %}
    </os>

    <features>
        {% if vm.hvm %}
            <pae/>
            <acpi/>
            <apic/>
            <viridian/>
        {% endif %}

        {% if vm.devices['pci'].attached(persistent=True) | list
                and vm.features.get('pci-e820-host', True) %}
            <xen>
                <e820_host state="on"/>
            </xen>
        {% endif %}
    </features>

    {% if vm.hvm %}
        {% set timezone = vm.features.check_with_template('timezone', 'localtime').lower() %}
        {% if timezone == 'localtime' %}
            <clock offset="variable" adjustment="0" basis="localtime" />
        {% elif timezone.isdigit() %}
            <clock offset="variable" adjustment="{{ timezone }}" basis="UTC" />
        {% else %}
            <clock offset="variable" adjustment="0" basis="UTC" />
        {% endif %}
    {% else %}
        <clock offset='utc' adjustment='reset'>
            <timer name="tsc" mode="native"/>
        </clock>
    {% endif %}

    <on_poweroff>destroy</on_poweroff>
    <on_reboot>destroy</on_reboot>
    <on_crash>destroy</on_crash>
    <devices>
        {% set i = 0 %}
        {# TODO Allow more volumes out of the box #}
        {% set dd = ['e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
            'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y']
        %}
        {% for device in vm.block_devices %}
            <disk type="block" device="{{ device.devtype }}">
                <driver name="phy" />
                <source dev="{{ device.path }}" />
                {% if device.name == 'root' %}
                    <target dev="xvda" />
                {% elif device.name == 'private' %}
                    <target dev="xvdb" />
                {% elif device.name == 'volatile' %}
                    <target dev="xvdc" />
                {% elif device.name == 'kernel' %}
                    <target dev="xvdd" />
                {% else %}
                    <target dev="xvd{{dd[i]}}" />
                    {% set i = i + 1 %}
                {% endif %}

                {% if not device.rw %}
                    <readonly />
                {% endif %}

                {% if device.domain %}
                    <backenddomain name="{{ domain }}" />
                {% endif %}

                {% if device.script %}
                    <script path="{{ device.script }}" />
                {% endif %}
            </disk>
        {% endfor %}

        {% if vm.netvm %}
            {% include 'libvirt/devices/net.xml' with context %}
        {% endif %}

        {% for device in vm.devices.pci.attached(persistent=True) %}
            {% include 'libvirt/devices/pci.xml' %}
        {% endfor %}

        {% if vm.hvm %}
            <emulator
                type="stubdom"
                {% if vm.netvm %}
                    cmdline="-net lwip,client_ip={{ vm.ip -}}
                        ,server_ip={{ vm.secondary_dns -}}
                        ,dns={{ vm.netvm.gateway -}}
                        ,gw={{ self.netvm.gateway -}}
                        ,netmask={{ vm.netmask }}"
                {% endif %}
                />
            <input type="tablet" bus="usb"/>
            <video type="vga"/>
        {% else %}
            <console type="pty">
                <target type="xen" port="0"/>
            </console>
        {% endif %}

    </devices>
</domain>
 
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