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quickstart: Add a note about QEMU limitation with Kind / Minikube

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It's a known limitation that QEMU based runtime classes will not work
with Kind or Minikube, leading to:
```
Events:
  Type     Reason                  Age   From               Message
  ----     ------                  ----  ----               -------
  Normal   Scheduled               42s   default-scheduler  Successfully assigned default/nginx-kata-qemu to minikube
  Warning  FailedCreatePodSandBox  9s    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to create containerd task: failed to create shim task: Failed to Check if grpc server is working: rpc error: code = DeadlineExceeded desc = timed out connecting to vsock 3189232285:1024: unknown
```

This needs further debug in order to get to the root cause of the issue,
and potentially to a fix.  However, for now, we should make sure that we
document such limitation.

One issue already reported about this is
https://github.com/confidential-containers/operator/issues/124, and
that's also been observed by Pradipta during the early tests of v0.1.0.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2022-11-10 11:10:19 +01:00 committed by Fabiano Fidêncio
parent 47df4e83e9
commit 9b797d0ddf
1 changed files with 2 additions and 1 deletions
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quickstart.md
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@ -34,7 +34,8 @@ This script requires `ansible-playbook`, which you can install on CentOS/RHEL us
get using `ansible-galaxy colection install community.docker`.
> **Note** You can also use a Kind or Minikube cluster with containerd runtime to try out the CoCo stack
for development purposes.
for development purposes. Make sure to use the `kata-clh` runtime class for your workloads when using Kind or
Minikube, [as QEMU is known to **not** be working with Kind or Minikube](https://github.com/confidential-containers/operator/issues/124).
## Prerequisites