Re: [Xen-users] Programmatic administration of Xen machines

[Andreas Pflug <pgadmin@xxxxxxxxxxxxxxxxx>]

Am 04.01.16 um 13:43 schrieb Ian Campbell:
> On Sat, 2015-12-26 at 16:18 -0500, Carl Patenaude Poulin wrote:
>> Hi all,
>>
>> I'd like to programmatically administer Xen machines. Ideally, I'd
>> need some sort of API or command-line tool that I can use to check
>> if a domain is paused, collect console output, etc. I started by
>> using xl, but the output it produces generally isn't suitable for
>> machine consumption.
> At least for some options (e.g. xl list) you can request JSON formatted
> output.
>
> For collecting console output you can configure xenconsoled to log all
> guest output to files under /var/log/xen/console:
>     http://wiki.xen.org/wiki/Reporting_Bugs_against_Xen#Guest_console_logs
> Not sure if that meets your requirements (this support is independent of
> the toolstack).
>
>> I'm wondering what solution you'd suggest. My first intuition is to
>> use virsh, is that a good idea?
> Contrary to what others have said, I think this (both virsh as a CLI and
> the libvirt RPC interface which underlies it) is a valid avenue to
> investigate and evaluate against your requirements.
>
> libvirt support for Xen via the libxl backend is far more complete than it
> was a couple of years ago and we think it should be usable for most cases.
> If you trip across any bugs or missing features then please do report back
> to us.
Methinks tracking a separate status is a fundamental design flaw. Might
have been a little easier to implement initially, but a fine source of
headache down the line.

Regards,
Andreas

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