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Hi Carlos,

Thank you for the information. This is really helpful!

I will share my ideas and let u guys know so that this can help make kata
better for everyone.

Regards

Wilson

On Thursday, May 7, 2020, Venegas Munoz, Jose Carlos <
jose.carlos.venegas.munoz at intel.com> wrote:

> Hi Wilson,
>
>
>
> It is great to know you are working on some POC based in kata and K8s. The
> new features Bo mentioned will land in Kata 1.11 (about to be released this
> week) for that release Kata will use the latest release for
> Cloud-hypervisor 0.7.0.
>
>
>
> Today for Kata in master we already have testing for K8s and containerd as
> CRI runtime + Cloud-hypervisor.
>
>
>
> For our current CI testing we are just missing support for hot plug of
> storage devices. We hope in next release of Ka ta alpha 1.12-alpha0 this
> could be ready for testing. Additionally we are working to enable
> End-to-End Kubernetes testing to increase the coverage of use cases. There
> are still a few API options that Cloud-hypervisor support and we have not
> evaluated. But I’d say that after blk/pmem hotplug enabling , we will have
> parity with Qemu implementation and  the use-cases we have in our CI today.
>
>
>
> Please open any issue you find, we want to make sure cloud-hypervisor and
> kata has the best experience.
>
>
>
> You can get some useful information about future fixes, issues, and
> missing items in the following github project:
>
> https://github.com/orgs/kata-containers/projects/21
>
>
>
> A summary of the current state also is documented here:
>
> https://github.com/kata-containers/runtime/issues/2545
>
>
>
> Summary of used cloud-hypervisor APIs (and comments why some are not used)
>
> https://github.com/kata-containers/runtime/issues/2541
>
>
>
> To summarize the more relevant missing items are related with hotplug are:
>
>
>
>    - Pmem/Block device hotplug
>
> https://github.com/kata-containers/runtime/issues/2541
>
> https://github.com/kata-containers/runtime/issues/2575
>
>
>
>    - Net hotplug : First we need to add some testing (at least with qemu)
>    to know where could be used in the k8s workflow, then we could enable it.
>
>
>
> You can track the CI stability of master and the current set of jobs that
> we use for test cloud-hypervisor integration.
>
> https://github.com/kata-containers/ci/wiki/cloud-hypervisor
>
>
>
>
>
> Cheers!
>
>
>
> -
>
> Carlos
>
>
>
>
>
> *From: *"wilsonny371 at gmail.com" <wilsonny371 at gmail.com>
> *Date: *Wednesday, 6 May 2020, 18:25
> *To: *"Chen, Bo2" <chen.bo at intel.com>
> *Cc: *"Venegas Munoz, Jose Carlos" <jose.carlos.venegas.munoz at intel.com>,
> "kata-dev at lists.katacontainers.io" <kata-dev at lists.katacontainers.io>
> *Subject: *Re: [kata-dev] hot plug/unplug for cloud hypervisor support
>
>
>
> Bo,
>
>
>
> Thanks for your reply.
>
>
>
> My colleagues and I are working on some POC and it is based on Kata & K8s.
> The new features you mentioned will definitely help us. However, we are
> still at the very early stage and trying to prove that cloud hypervisor is
> truly what we are looking for compared to firecracker which does not have
> these features yet.
>
>
>
> Regards
>
>
>
> Wilson
>
>
>
>
>
>
>
> On Wed, May 6, 2020 at 4:00 PM Chen, Bo2 <chen.bo at intel.com> wrote:
>
> Hi Wilson,
>
>
>
> Thanks for promoting this question. Yes, that is our plan. Along with the
> supported device hot-plug we have in Kata with cloud-hypervisor (e.g.
> vcpu/memory/vfio), we are enabling block (‘disk ‘and ‘pmem’) device
> hot-plug very soon. For few other HTTP APIs related to device hotplug that
> cloud-hypervisor recently added (e.g. ‘/vm.add-fs’, ‘/vm.add-net’, and
> ‘/vm.add-vsock’), we will need to look into them and add support if there
> are use cases in Kata.
>
>
>
> Carlos, would you please comment on the device hot-unplug side? Base on my
> limited understanding, we don’t have much use-case for device hot-unplug in
> Kata, right? Also, please correct me and add more for the device hot-plug
> side. Thanks a lot.
>
>
>
> I hope it helps and makes sense to you. Any more questions or comments,
> please don’t hesitate to share.
>
>
>
> Best,
>
> Bo
>
>
>
> *From:* wilsonny371 at gmail.com <wilsonny371 at gmail.com>
> *Sent:* Wednesday, May 6, 2020 3:35 PM
> *To:* kata-dev at lists.katacontainers.io
> *Subject:* [kata-dev] hot plug/unplug for cloud hypervisor support
>
>
>
> Hi guys,
>
>
>
> I have a question regarding Kata Containers hotplug support for cloud
> hypervisor.
>
>
>
> I saw recently cloud hypervisor added support for several different virtio
> devices hotplug. But the support for this is not yet there in Kata
> Containers.
>
>
>
> Do we have a plan to add this support soon?
>
>
>
> Thanks
>
>
>
>
>
> Wilson
>
>

-- 
Sent from my iPhone 6 Plus
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