Re: [kata-dev] Regarding, Kata 2.0.0, kata-runtime

4 Jan 2021

      [AMD Official Use Only - Internal Distribution Only]

Thank you Fabiano,
Will try the deployed version first,
One more to check please - In my understanding - Docker doesn't yet support the containerd shimv2 architecture directly, Kata 2.0.0 won't work with Docker ?
Is this correct ? 
Any workarounds.

--Best Regards
--Sandeep

-----Original Message-----
From: Fabiano Fidêncio <fidencio@redhat.com> 
Sent: Sunday, January 3, 2021 11:38 PM
To: Gupta, Sandeep <Sandeep.Gupta@amd.com>
Cc: kata-dev@lists.katacontainers.io
Subject: Re: [kata-dev] Regarding, Kata 2.0.0, kata-runtime

[CAUTION: External Email]

Sandeep,

[...]
...
Trying version-1 syntax:          (for /usr/local/bin/containerd -config /etc/containerd/config.toml),
# cat /etc/containerd/config.toml
[plugins.cri.containerd]
      no_pivot = false
[plugins.cri.containerd.runtimes]
      [plugins.cri.containerd.runtimes.runc]
         runtime_type = "io.containerd.runc.v1"
[plugins.cri.containerd.runtimes.runc.options]
           NoPivotRoot = false
           NoNewKeyring = false
           ShimCgroup = ""
           IoUid = 0
           IoGid = 0
           BinaryName = "runc"
           Root = ""
           CriuPath = ""
           SystemdCgroup = false
[plugins.cri.containerd.runtimes.kata]
         runtime_type = "io.containerd.kata.v2"
          [plugins.cri.containerd.runtimes.kata.options]
           ConfigPath = "/etc/kata-containers/configuration.toml"
[plugins.cri.containerd.runtimes.katacli]
         runtime_type = "io.containerd.runc.v1"
         [plugins.cri.containerd.runtimes.katacli.options]
           NoPivotRoot = false
           NoNewKeyring = false
           ShimCgroup = ""
           IoUid = 0
           IoGid = 0
           BinaryName = "/usr/local/bin/kata-runtime"
           Root = ""
           CriuPath = ""
           SystemdCgroup = false
[...]
...
/# ctr run --runtime io.containerd.run.kata.v2 -t --rm 
docker.io/library/busybox:latest sh
ctr: Failed to check if grpc server is working: unexpected EOF: 
unknown
I can discuss this Issue in, Kata AC call in 2021 on January 5th.
We can, but I think it may be easier to debug this via e-mail or Slack.
So, I'd like to ask you a few questions that will help me (and hopefully others) to understand where the error is coming from.
* When you're using 2.x, you're only replacing the runtime binary, but also the image and the agent inside it, right?
  - The reason I'm asking is because 2.x runtime doesn't speak the same language as the 1.x agent.
* Is your agent built using musl or gnu libc?

If you want to give it a quick try just to ensure kata 2.0 works for you before you start hacking the code, I'd suggest using
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com...

I hope that helps!

Best Regards,
--
Fabiano Fidêncio