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On Thu, Dec 27, 2018 at 01:49:14PM +0100, Zrubi wrote:
> I need to "play" with custom xml configs, in order to get hardware
> info via dmidecode inside a VM.
(...)
> Am I missed something?
That's not how jinja template inheritance works. After {% extends %} clause
nothing is generated unless it is part of {% block %} that references
preexisting block in parent template.
http://jinja.pocoo.org/docs/2.10/templates/#template-inheritance
Only this has any effect:
> {% extends 'libvirt/xen.xml' %}
> {% block os %}
> {{ super() }}
> <smbios mode='sysinfo'/>
> {% endblock %}
The following goes to /dev/null:
> <sysinfo type='smbios'>
> {% block sysinfo %}
> <bios>
> <entry name='Vendor'>Lenovo</entry>
> </bios>
> <system>
> <entry name='manufacturer'>Fedora</entry>
> <entry name='product'>Virt-Manager</entry>
> <entry name='version'>0.9.4</entry>
> </system>
> <baseBoard>
> <entry name='manufacturer'>LENOVO</entry>
> <entry name='product'>20BE0061MC</entry>
> <entry name='version'>0B98401 Pro</entry>
> <entry name='serial'>W1KS427111E</entry>
> </baseBoard>
> <chassis>
> <entry name='manufacturer'>Dell Inc.</entry>
> <entry name='version'>2.12</entry>
> <entry name='serial'>65X0XF2</entry>
> <entry name='asset'>40000101</entry>
> <entry name='sku'>Type3Sku1</entry>
> </chassis>
> <oemStrings>
> <entry>myappname:some arbitrary data</entry>
> <entry>otherappname:more arbitrary data</entry>
> </oemStrings>
> {% endblock %}
> </sysinfo>
1) <sysinfo> and </sysinfo> lines are not inside any {% block %}
2) there is no "sysinfo" block in parent template
For a quick-and-dirty hack, if you intend this <sysinfo> node to be a child of
<domain>, just append it to some preexisting block using super():
{% block basic %}
{{ super() }}
<sysinfo type='smbios'>
{# ... #}
</sysinfo>
{% endblock %}
Alternatively, we'd accept a patch against libvirt/xen.xml to add something
like this:
<sysinfo>
{% block sysinfo %}{% endblock %}
</sysinfo>
After that patch being merged, you could write in your config:
{% extends 'libvirt/xen.ml' %}
{% block sysinfo %}
<bios/>
<system/>
<baseBoard/>
{# ... #}
{% endblock %}
- --
pozdrawiam / best regards _.-._
Wojtek Porczyk .-^' '^-.
Invisible Things Lab |'-.-^-.-'|
| | | |
I do not fear computers, | '-.-' |
I fear lack of them. '-._ : ,-'
-- Isaac Asimov `^-^-_>
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