Virtlet stores all ephemeral volumes in the local libvirt pool
storage in var/lib/virtlet/volumes. The volume configuration is
defined under the volume section.
The following text is an example of a pod (virtual machine) definition with an ephemeral volume of 2048 MB capacity.
apiVersion: v1
kind: Pod
metadata:
name: test-vm-pod
annotations:
kubernetes.io/target-runtime: virtlet
spec:
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: extraRuntime
operator: In
values:
- virtlet
containers:
- name: test-vm
image: download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img
volumeMounts:
- name: containerd
mountPath: /var/lib/containerd
volumes:
- name: containerd
flexVolume:
driver: "virtlet/flexvolume_driver"
options:
type: qcow2
capacity: 2048MB