[kata-dev] [Discussion] Some questions to answer, for 2.0 development

Sunny Cai sunny at openstack.org
Tue Mar 17 17:25:28 UTC 2020

Thank you for the update Xu!

> On Mar 17, 2020, at 10:12 AM, Xu Wang via kata-dev <kata-dev at lists.katacontainers.io> wrote:
> Hi folks,
> We just discussed some questions about 2.0 in the AC meeting one hour ago and had some initial answers.
> I post the Q&A here for further discussion and we'd like to make the decision in the next AC meeting.
> - Q1: Is the next release is 2.0? or, say, if there is a 1.12.x release before 2.0? (working on 1.12 in parallel is ok for us)
>  - A: We prefer to develop 1.12 and 2.0 in parallel because we think cloud-hypervisor still needs some features to be done.
> - Q2: (a) Do we want to support only rust-agent in 2.0? (b) Could we use ttRPC only (no gRPC any more) in 2.0?
>  - (because of rust tool-chain, we might have to disable some un-workable distros as rootfs temporarily 
>     when we release 2.0, this is only about the osbuilder and users don't customize there own kata rootfs
>     will not be affected at all)
>  - A: Yes.
> - Q3: Do we want to do the repo consolidation in 2.0 (in kata-containers repo)?
>  - (agent, runtime, shim... into single repo for the convenience of testing/dev)
>    - Q3x: Would that use submodules or straight consolidation?
>      - Ax: plan to be a straight consolidation
>  - A: Yes, we want, however, we may complete this in several releases.
> - Q4: Should we promote shimv2 as default instead of cmd line?
>  - A: Yes, Samuel thought we should try to remove the legacy shim-v1 support.
>  - docker support v1 only right now, so does Podman
>    - we should work on moby shim-v2 support
>    - at least we think this is not a blocker for 2.0 release
> - Q5: Should we promote cloud-hypervisor as default in 2.0?
>  - A: Yes, but we still have some ongoing works:
>    - cloud-hypervisor integration: https://github.com/orgs/kata-containers/projects/21
> (ref the meeting notes: https://etherpad.openstack.org/p/Kata_Containers_2020_Architecture_Committee_Mtgs)
> Any more ideas?
> Cheers!
> Xu
> --
> Xu Wang (@gnawux)
> Senior Staff Engineer at Ant Financial
> A Member of Kata Containers Architecture Committee
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