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Kubernetes
Running unikernels under kubernetes diminishes some of their security benefits.
You need access to hardware virtualization. That means a real computer or nested virtualization but nested virtualization is not recommended. It's unclear if these instructions would work on AWS "metal" instances yet as that has not been tried.
Install KubeCtl:
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl
chmod +x ./kubectl
mv kubectl /usr/local/bin/.
sudo mv kubectl /usr/local/bin/.
kubectl version --client
Install Minikube:
curl -Lo minikube
https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
&& chmod +x minikube
minikube start --vm-driver=kvm2
Install KVM tooling:
sudo apt-get install libvirt-daemon-system libvirt-clients bridge-utils
Ensure you are setup for KVM via libvirt and have associated permissions:
virt-host-validate
groups
Install KubeVirt:
export KUBEVIRT_VERSION=$(curl -s
https://api.github.com/repos/kubevirt/kubevirt/releases | grep tag_name
| grep -v -- - | sort -V | tail -1 | awk -F':' '{print $2}' | sed
's/,//' | xargs)
echo $KUBEVIRT_VERSION
kubectl create -f
https://github.com/kubevirt/kubevirt/releases/download/${KUBEVIRT_VERSION}/kubevirt-operator.yaml
Create a Resource:
kubectl create -f https://github.com/kubevirt/kubevirt/releases/download/${KUBEVIRT_VERSION}/kubevirt-cr.yaml
Install Virtctl:
curl -L -o virtctl \
https://github.com/kubevirt/kubevirt/releases/download/${KUBEVIRT_VERSION}/virtctl-${KUBEVIRT_VERSION}-linux-amd64
chmod +x virtctl
Import CDI:
wget https://raw.githubusercontent.com/kubevirt/kubevirt.github.io/master/labs/manifests/storage-setup.yml
kubectl create -f storage-setup.yml
export VERSION=$(curl -s https://github.com/kubevirt/containerized-data-importer/releases/latest | grep -o "v[0-9]\.[0-9]*\.[0-9]*")
kubectl create -f https://github.com/kubevirt/containerized-data-importer/releases/download/$VERSION/cdi-operator.yaml
kubectl create -f https://github.com/kubevirt/containerized-data-importer/releases/download/$VERSION/cdi-cr.yaml
kubectl get pods -n cdi
If you have the base kubernetes installation up and running you can move on to the final part.
You need to compress the disk image in question to xz format.
cp .ops/images/goweb.img .
xz goweb.img
Now you need to upload that to a url for k8s to import.
Download a sample PVC template:
wget https://raw.githubusercontent.com/kubevirt/kubevirt.github.io/master/labs/manifests/pvc_fedora.yml
Edit the line to point to your xz'd image:
cdi.kubevirt.io/storage.import.endpoint: "https://storage.googleapis.com/totally-insecure/goweb.img.xz"
Import:
kubectl create -f pvc_fedora.yml
kubectl get pvc fedora -o yaml
Create the Actual VM:
wget https://raw.githubusercontent.com/kubevirt/kubevirt.github.io/master/labs/manifests/vm1_pvc.yml
kubectl create -f vm1_pvc.yml
If you
minikube ssh you should now be able to hit up your instance.Last modified 3yr ago