1. Documentation

Guest Operating System Information

Guest Operating System Information

Guest operating system identity for the VirtualMachineInstance will be provided by the label kubevirt.io/os :

metadata:
  name: myvmi
  labels:
    kubevirt.io/os: win2k12r2

The kubevirt.io/os label is based on the short OS identifier from libosinfo database. The following Short IDs are currently supported:

Short ID Name Version Family ID

win2k12r2

Microsoft Windows Server 2012 R2

6.3

winnt

http://microsoft.com/win/2k12r2

Use with presets

A VirtualMachineInstancePreset representing an operating system with a kubevirt.io/os label could be applied on any given VirtualMachineInstance that have and match the`kubevirt.io/os` label.

Default presets for the OS identifiers above are included in the current release.

Windows Server 2012R2 VirtualMachineInstancePreset Example

apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstancePreset
metadata:
  name: windows-server-2012r2
  selector:
    matchLabels:
      kubevirt.io/os: win2k12r2
spec:
  domain:
    cpu:
      cores: 2
    resources:
      requests:
        memory: 2G
    features:
      acpi: {}
      apic: {}
      hyperv:
        relaxed: {}
        vapic: {}
        spinlocks:
          spinlocks: 8191
    clock:
      utc: {}
      timer:
        hpet:
          present: false
        pit:
          tickPolicy: delay
        rtc:
          tickPolicy: catchup
        hyperv: {}
---
apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  labels:
    kubevirt.io/os: win2k12r2
  name: windows2012r2
spec:
  terminationGracePeriodSeconds: 0
  domain:
    firmware:
      uuid: 5d307ca9-b3ef-428c-8861-06e72d69f223
    devices:
      disks:
      - name: server2012r2
        volumeName: server2012r2
        disk:
          dev: vda
  volumes:
    - name: server2012r2
      persistentVolumeClaim:
        claimName: my-windows-image

Once the VirtualMachineInstancePreset is applied to the VirtualMachineInstance, the resulting resource would look like this:

apiVersion: kubevirt.io/v1alpha2
kind: VirtualMachineInstance
metadata:
  annotations:
    presets.virtualmachineinstances.kubevirt.io/presets-applied: kubevirt.io/v1alpha2
    virtualmachineinstancepreset.kubevirt.io/windows-server-2012r2: kubevirt.io/v1alpha2
  labels:
    kubevirt.io/os: win2k12r2
  name: windows2012r2
spec:
  terminationGracePeriodSeconds: 0
  domain:
    cpu:
      cores: 2
    resources:
      requests:
        memory: 2G
    features:
      acpi: {}
      apic: {}
      hyperv:
        relaxed: {}
        vapic: {}
        spinlocks:
          spinlocks: 8191
    clock:
      utc: {}
      timer:
        hpet:
          present: false
        pit:
          tickPolicy: delay
        rtc:
          tickPolicy: catchup
        hyperv: {}
    firmware:
      uuid: 5d307ca9-b3ef-428c-8861-06e72d69f223
    devices:
      disks:
      - name: server2012r2
        volumeName: server2012r2
        disk:
          dev: vda
  volumes:
    - name: server2012r2
      persistentVolumeClaim:
        claimName: my-windows-image

For more information see VirtualMachineInstancePresets