New OS Providers for Ganeti

[Rudolph Bott]

Hey Folks,

we have used this year's GanetiCon to discuss new upstream OS providers. To include you in our discussions, we have created two repositories, which only contain design documents as of now:

https://github.com/ganeti/instance-simpleimage

https://github.com/ganeti/instance-cloudimage

If you want to add your own ideas, please open issues and/or pull requests against the design documents or start discussions on the mailing list(s).

We are aware that similar solutions might already exist. Our goal is to discuss and define first and then implement at a later stage and have those OS providers maintained under the hood of the Ganeti Github organisation.

Cheers,

Rudi, Ansgar & Sascha

(live from GanetiCon 2022 / FrOSCon 2022)

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[Rudolph Bott]

Hey Everyone,

quick update from my end. I finally found some time to hack together some bash scripts for the instance-simpleimage approach. You can find the current code here:

https://github.com/ganeti/instance-simpleimage

It features support for local and remote (HTTP/HTTPS) images, caching of downloaded files, multiple variants, hook scripts (per variant), bitwise export/import.

If it is of any help to you, please consider testing and/or improving it by opening issues or PRs :-)

Cheers,

Rudi

[Steffen Zieger]

This sounds a bit like https://github.com/osuosl/ganeti-instance-image which I've used in the past (and liked it).

Maybe some code/ideas can be reused? 

Best,

saz 

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[Rudolph Bott]

Hi Steffen, 

Steffen Zieger <steffen...@stroeer-online-marketing.de> schrieb am Mo., 14. Nov. 2022, 08:00:

This sounds a bit like https://github.com/osuosl/ganeti-instance-image which I've used in the past (and liked it).

Maybe some code/ideas can be reused? 

Yes, there are definetly similarities. However, I think the current implementation of the simpleimage provider is rather "feature complete" (but definetly not bug free). We wanted to have a very simple OS provider with only few external dependencies (which could be used both in development/testing or quick-start scenarios).

Of course the hook system allow for custom extensions and we could maybe incorporate some of the features as example hook scripts. OTOH I think both OS providers can co-exist just fine :-) 

Cheers, 

Rudi

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[Steffen Zieger]

Hi Rudi,

Sorry, I wasn't suggesting to replace it. ganeti-instance-image looks pretty unmaintained to me and I'd be happy, if instance-simpleimage can replace it (even if only a part of it).

Best,

saz

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