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coco_workshop's Issues

Operator config release 0.2.0?

The instructions to apply the operator are:

kubectl apply -k github.com/confidential-containers/operator/config/release?ref=v0.2.0

Is release 0.2.0 intentional here? I tried with 0.5.0, and it seems to work fine.

Failure to create .kube/config

Trying on a different host (Intel base) to investigate #7, I ran into a different problem, where for some reason the .kube/config was not created:

[centos@coco-lab ~]$ kubectl label node "$(hostname)" "node-role.kubernetes.io/worker="
The connection to the server localhost:8080 was refused - did you specify the right host or port?
[centos@coco-lab ~]$ hostname
coco-lab

Just running these steps fixed (but not sure why I had to):

  mkdir -p $HOME/.kube
  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
  sudo chown $(id -u):$(id -g) $HOME/.kube/config

AMD: Missing step to enable kvm in guest

On my AMD SEV-SNP test host, following the lab, both in centos and ubuntu, after this step:

kubectl apply -f coco-demo.yaml

I end up with demo pod getting stuck:

ubuntu@u2004-coco-lab:~$ kubectl get pods -l app=coco-demo --watch
NAME                         READY   STATUS              RESTARTS   AGE
coco-demo-7c545b4d6b-lr5ch   0/1     ContainerCreating   0          2m32s

Details:

$ kubectl describe pod coco-demo-7c545b4d6b-lr5ch
  Warning  FailedCreatePodSandBox  7s (x3 over 34s)  kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to create containerd task: failed to create shim task: failed to launch qemu: exit status 1, error messages from qemu log: Could not access KVM kernel module: No such file or directory
qemu-system-x86_64: failed to initialize kvm: No such file or directory

So we need to make sure kvm can run in the guest. Investigating where this is failing in the setup.

Permission error on Ubuntu 20.04

If I try to run the workshop with Ubuntu 20.04, I get an error at the very first step:

ubuntu@u2004-coco-lab:~$ kubectl label node "$(hostname)" "node-role.kubernetes.io/worker="                                                                                                                                                                                                              
error: error loading config file "/home/ubuntu/.kube/config": open /home/ubuntu/.kube/config: permission denied

This is because permissions on the installed .kube are root:root:

ubuntu@u2004-coco-lab:~$ ls -la
total 40
drwxr-xr-x 6 ubuntu ubuntu 4096 Jun  7 16:32 .
drwxr-xr-x 3 root   root   4096 Jun  7 16:30 ..
drwxrwxr-x 4 ubuntu ubuntu 4096 Jun  7 16:30 .ansible
-rw-r--r-- 1 ubuntu ubuntu  220 Feb 25  2020 .bash_logout
-rw-r--r-- 1 ubuntu ubuntu 3771 Feb 25  2020 .bashrc
drwx------ 2 ubuntu ubuntu 4096 Jun  7 16:30 .cache
drwxr-x--- 3 root   root   4096 Jun  7 16:32 .kube
-rw-r--r-- 1 ubuntu ubuntu  807 Feb 25  2020 .profile
drwx------ 2 ubuntu ubuntu 4096 Jun  7 16:30 .ssh
-rw-r--r-- 1 ubuntu ubuntu    0 Jun  7 16:30 .sudo_as_admin_successful
-rwxr-xr-x 1 ubuntu ubuntu  975 Jun  7 16:30 setup_lab_env.sh

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