alicefr

1. Create a k8s cluster with DRA enabled. We use latest minikube (v1.30.1) as at the moment of writing this, it is only one of the few providing already k8s 1.27
```bash
$ minikube start --driver=kvm2 --feature-gates=DynamicResourceAllocation=true \
	--kubernetes-version=v1.27.0-rc.0  \
	--extra-config=apiserver.runtime-config='resource.k8s.io/v1alpha2=true'
```

2. Example:
```yaml
apiVersion: resource.k8s.io/v1alpha2

alicefr

Tools installation

yum install targetcli sg3_utils

Create loopback scsi target

modprobe tcm_loop
mount -t configfs configfs /sys/kernel/config/

mkdir -p /disks

alicefr

apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  labels:
    kubevirt.io/vm: test-ign
  name: test-ign
spec:
  dataVolumeTemplates:
  - metadata:
      name: rhcos-dv

alicefr

kubectl apply -f import-original-image.yaml
# Wait until the DV import has finished. Now you have imported the original image on your k8s cluster
# Modify the initial image with virt-customizee by using virtctl guestfs command. You can install additional packages or modify certain files
$ virtctl guestfs pvc-with-cloud-init
Use image: registry:5000/kubevirt/libguestfs-tools@sha256:4cfe1c07cc33999ed05bd43873b7a30b1b9127a4ae4922333e68a1bcd35169ce 
The PVC has been mounted at /disk 
If you don't see a command prompt, try pressing enter.
$ ls /disk/
disk.img
virt-customize --run-command 'echo "My awesome image" > /tmp/hello' --install cloud-init  -a /disk/disk.img

alicefr

$ kubectl get pvc
NAME       STATUS   VOLUME              CAPACITY   ACCESS MODES   STORAGECLASS   AGE
pvc-test   Bound    local-pv-25a396e8   34Gi       RWO            local          52m
$ kubectl apply -f expose-pvc-nbd.yaml
service/virt configured
pod/virt configured
# In another console
$ kubectl port-forward pod/virt 8080:8080
Handling connection for 8080

alicefr

#!/bin/bash

IMAGE="gcr.io/google-containers/ubuntu-slim:0.14"
COMMAND="/bin/bash"
SUFFIX=$(date +%s | shasum | base64 | fold -w 10 | head -1 | tr '[:upper:]' '[:lower:]')

usage_exit() {
    echo "Usage: $0 [-c command] [-i image] PVC ..." 1>&2
    exit 1
}

alicefr

<domain type='kvm' id='1'>
  <name>default_vm-fedora</name>
  <uuid>c9dc132f-1bb1-5f88-9891-deed35a6d803</uuid>
  <metadata>
    <kubevirt xmlns="http://kubevirt.io">
      <uid>990631c2-166a-401d-90e6-7a19b5fb2f18</uid>
      <graceperiod>
        <deletionGracePeriodSeconds>0</deletionGracePeriodSeconds>
      </graceperiod>
    </kubevirt>