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utils.go
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utils.go
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/*
* This file is part of the KubeVirt project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2018 Red Hat, Inc.
*
*/
package utils
import (
"encoding/json"
"fmt"
"os"
"strings"
"k8s.io/apimachinery/pkg/util/rand"
"kubevirt.io/api/migrations/v1alpha1"
"kubevirt.io/client-go/kubecli"
k8sv1 "k8s.io/api/core/v1"
schedulingv1 "k8s.io/api/scheduling/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/utils/pointer"
v1 "kubevirt.io/api/core/v1"
instancetypev1beta1 "kubevirt.io/api/instancetype/v1beta1"
poolv1 "kubevirt.io/api/pool/v1alpha1"
cdiv1 "kubevirt.io/containerized-data-importer-api/pkg/apis/core/v1beta1"
k6tpointer "kubevirt.io/kubevirt/pkg/pointer"
)
const (
strFmt = "%s/%s:%s"
kubevirtIoVM = "kubevirt.io/vm"
vmName = "vm-${NAME}"
kubevirtIoOS = "kubevirt.io/os"
kubevirtVM = "kubevirt-vm"
githubKubevirtIsVMTemplate = "miq.github.io/kubevirt-is-vm-template"
rhel74 = "rhel-7.4"
)
const (
VmiEphemeral = "vmi-ephemeral"
VmiMigratable = "vmi-migratable"
VmiInstancetypeSmall = "vmi-instancetype-small"
VmiSata = "vmi-sata"
VmiFedora = "vmi-fedora"
VmiFedoraIsolated = "vmi-fedora-isolated"
VmiSecureBoot = "vmi-secureboot"
VmiAlpineEFI = "vmi-alpine-efi"
VmiNoCloud = "vmi-nocloud"
VmiPVC = "vmi-pvc"
VmiWindows = "vmi-windows"
VmiKernelBoot = "vmi-kernel-boot"
VmiSlirp = "vmi-slirp"
VmiMasquerade = "vmi-masquerade"
VmiSRIOV = "vmi-sriov"
VmiWithHookSidecar = "vmi-with-sidecar-hook"
VmiWithHookSidecarConfigMap = "vmi-with-sidecar-hook-configmap"
VmiMultusPtp = "vmi-multus-ptp"
VmiMultusMultipleNet = "vmi-multus-multiple-net"
VmiHostDisk = "vmi-host-disk"
VmiGPU = "vmi-gpu"
VmiARM = "vmi-arm"
VmiMacvtap = "vmi-macvtap"
VmiUSB = "vmi-usb"
VmTemplateFedora = "vm-template-fedora"
VmTemplateRHEL7 = "vm-template-rhel7"
VmTemplateWindows = "vm-template-windows2012r2"
)
const (
Preemtible = "preemtible"
NonPreemtible = "non-preemtible"
)
const (
VirtualMachineInstancetypeComputeSmall = "csmall"
VirtualMachineClusterInstancetypeComputeSmall = "cluster-csmall"
VirtualMachineInstancetypeComputeLarge = "clarge"
VirtualMachinePreferenceVirtio = v1.VirtIO
VirtualMachinePreferenceWindows = "windows"
VmCirrosInstancetypeComputeSmall = "vm-cirros-csmall"
VmCirrosClusterInstancetypeComputeSmall = "vm-cirros-cluster-csmall"
VmCirrosInstancetypeComputeLarge = "vm-cirros-clarge"
VmCirrosInstancetypeComputeLargePreferncesVirtio = "vm-cirros-clarge-virtio"
VmCirrosInstancetypeComputeLargePreferencesWindows = "vm-cirros-clarge-windows"
VmWindowsInstancetypeComputeLargePreferencesWindows = "vm-windows-clarge-windows"
)
const (
VmCirros = "vm-cirros"
VmAlpineMultiPvc = "vm-alpine-multipvc"
VmAlpineDataVolume = "vm-alpine-datavolume"
VMPriorityClass = "vm-priorityclass"
VmCirrosSata = "vm-cirros-sata"
)
const VmiReplicaSetCirros = "vmi-replicaset-cirros"
const VmPoolCirros = "vm-pool-cirros"
const VmiPresetSmall = "vmi-preset-small"
const VmiMigration = "migration-job"
const MigrationPolicyName = "example-migration-policy"
const (
imageAlpine = "alpine-container-disk-demo"
imageCirros = "cirros-container-disk-demo"
imageFedora = "fedora-with-test-tooling-container-disk"
imageKernelBoot = "alpine-ext-kernel-boot-demo"
)
const windowsFirmware = "5d307ca9-b3ef-428c-8861-06e72d69f223"
const defaultInterfaceName = "default"
const enableNetworkInterfaceMultiqueueForTemplate = true
const EthernetAdaptorModelToEnableMultiqueue = v1.VirtIO
const (
cloudConfigHeader = "#cloud-config"
cloudConfigInstallAndStartService = `packages:
- nginx
runcmd:
- [ "systemctl", "enable", "--now", "nginx" ]`
cloudConfigUserPassword = `password: fedora
chpasswd: { expire: False }`
secondaryIfaceDhcpNetworkData = `version: 2
ethernets:
eth1:
dhcp4: true
`
)
var DockerPrefix = "registry:5000/kubevirt"
var DockerTag = "devel"
var gracePeriod = int64(0)
func getBaseVMISpec() *v1.VirtualMachineInstanceSpec {
return &v1.VirtualMachineInstanceSpec{
TerminationGracePeriodSeconds: &gracePeriod,
Domain: v1.DomainSpec{
Resources: v1.ResourceRequirements{
Requests: k8sv1.ResourceList{
k8sv1.ResourceMemory: resource.MustParse("128Mi"),
},
},
},
}
}
func getBaseVMI(name string) *v1.VirtualMachineInstance {
baseVMISpec := getBaseVMISpec()
return &v1.VirtualMachineInstance{
TypeMeta: metav1.TypeMeta{
APIVersion: v1.GroupVersion.String(),
Kind: "VirtualMachineInstance",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: map[string]string{"special": name},
},
Spec: *baseVMISpec,
}
}
func initFedoraWithDisk(spec *v1.VirtualMachineInstanceSpec, containerDisk string) *v1.VirtualMachineInstanceSpec {
addContainerDisk(spec, containerDisk, v1.DiskBusVirtio)
addRNG(spec)
return spec
}
func initFedora(spec *v1.VirtualMachineInstanceSpec) *v1.VirtualMachineInstanceSpec {
addContainerDisk(spec, fmt.Sprintf(strFmt, DockerPrefix, imageFedora, DockerTag), v1.DiskBusVirtio)
addRNG(spec) // without RNG, newer fedora images may hang waiting for entropy sources
return spec
}
func initFedoraIsolated(spec *v1.VirtualMachineInstanceSpec) *v1.VirtualMachineInstanceSpec {
addContainerDisk(spec, fmt.Sprintf(strFmt, DockerPrefix, imageFedora, DockerTag), v1.DiskBusVirtio)
addRNG(spec) // without RNG, newer fedora images may hang waiting for entropy sources
addDedicatedAndIsolatedCPU(spec)
return spec
}
func enableNetworkInterfaceMultiqueue(spec *v1.VirtualMachineInstanceSpec, enable bool) {
spec.Domain.Devices.NetworkInterfaceMultiQueue = &enable
}
func setDefaultNetworkAndInterface(spec *v1.VirtualMachineInstanceSpec, bindingMethod v1.InterfaceBindingMethod, networkSource v1.NetworkSource) *v1.VirtualMachineInstanceSpec {
spec.Domain.Devices.Interfaces = []v1.Interface{
{
Name: defaultInterfaceName,
InterfaceBindingMethod: bindingMethod,
Model: EthernetAdaptorModelToEnableMultiqueue},
}
spec.Networks = []v1.Network{
{
Name: defaultInterfaceName,
NetworkSource: networkSource},
}
return spec
}
func addDedicatedAndIsolatedCPU(spec *v1.VirtualMachineInstanceSpec) *v1.VirtualMachineInstanceSpec {
cpu := &v1.CPU{
IsolateEmulatorThread: true,
DedicatedCPUPlacement: true,
Cores: 1,
}
spec.Domain.CPU = cpu
return spec
}
func addRNG(spec *v1.VirtualMachineInstanceSpec) *v1.VirtualMachineInstanceSpec {
spec.Domain.Devices.Rng = &v1.Rng{}
return spec
}
func addContainerDisk(spec *v1.VirtualMachineInstanceSpec, image string, bus v1.DiskBus) *v1.VirtualMachineInstanceSpec {
// Only add a reference to the disk if it isn't using the default v1.DiskBusSATA bus
if bus != v1.DiskBusSATA {
disk := &v1.Disk{
Name: "containerdisk",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: bus,
},
},
}
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, *disk)
}
volume := &v1.Volume{
Name: "containerdisk",
VolumeSource: v1.VolumeSource{
ContainerDisk: &v1.ContainerDiskSource{
Image: image,
},
},
}
spec.Volumes = append(spec.Volumes, *volume)
return spec
}
func addKernelBootContainer(spec *v1.VirtualMachineInstanceSpec, image, kernelArgs, kernelPath, initrdPath string) *v1.VirtualMachineInstanceSpec {
if spec.Domain.Firmware == nil {
spec.Domain.Firmware = &v1.Firmware{}
}
spec.Domain.Firmware.KernelBoot = &v1.KernelBoot{
KernelArgs: kernelArgs,
Container: &v1.KernelBootContainer{
Image: image,
KernelPath: kernelPath,
InitrdPath: initrdPath,
},
}
return spec
}
func addNoCloudDisk(spec *v1.VirtualMachineInstanceSpec) *v1.VirtualMachineInstanceSpec {
return addNoCloudDiskWitUserData(spec, "#!/bin/sh\n\necho 'printed from cloud-init userdata'\n")
}
func addNoCloudDiskWitUserData(spec *v1.VirtualMachineInstanceSpec, data string) *v1.VirtualMachineInstanceSpec {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: "cloudinitdisk",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: v1.DiskBusVirtio,
},
},
})
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: "cloudinitdisk",
VolumeSource: v1.VolumeSource{
CloudInitNoCloud: &v1.CloudInitNoCloudSource{
UserData: data,
},
},
})
return spec
}
func addNoCloudDiskWitUserDataNetworkData(spec *v1.VirtualMachineInstanceSpec, userData string, networkData string) *v1.VirtualMachineInstanceSpec {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: "cloudinitdisk",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: v1.DiskBusVirtio,
},
},
})
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: "cloudinitdisk",
VolumeSource: v1.VolumeSource{
CloudInitNoCloud: &v1.CloudInitNoCloudSource{
UserData: userData,
NetworkData: networkData,
},
},
})
return spec
}
func addEmptyDisk(spec *v1.VirtualMachineInstanceSpec, size string) *v1.VirtualMachineInstanceSpec {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: "emptydisk",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: v1.DiskBusVirtio,
},
},
})
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: "emptydisk",
VolumeSource: v1.VolumeSource{
EmptyDisk: &v1.EmptyDiskSource{
Capacity: resource.MustParse(size),
},
},
})
return spec
}
func addDataVolumeDisk(spec *v1.VirtualMachineInstanceSpec, dataVolumeName string, bus v1.DiskBus, diskName string) *v1.VirtualMachineInstanceSpec {
// Only add a reference to the disk if it isn't using the default v1.DiskBusSATA bus
if bus != v1.DiskBusSATA {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: diskName,
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: bus,
},
},
})
}
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: diskName,
VolumeSource: v1.VolumeSource{
DataVolume: &v1.DataVolumeSource{
Name: dataVolumeName,
},
},
})
return spec
}
func addPVCDisk(spec *v1.VirtualMachineInstanceSpec, claimName string, bus v1.DiskBus, diskName string) *v1.VirtualMachineInstanceSpec {
// Only add a reference to the disk if it isn't using the default v1.DiskBusSATA bus
if bus != v1.DiskBusSATA {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: diskName,
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: bus,
},
},
})
}
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: diskName,
VolumeSource: v1.VolumeSource{
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
PersistentVolumeClaimVolumeSource: k8sv1.PersistentVolumeClaimVolumeSource{ClaimName: claimName},
},
},
})
return spec
}
func addEphemeralPVCDisk(spec *v1.VirtualMachineInstanceSpec, claimName string, bus v1.DiskBus, diskName string) *v1.VirtualMachineInstanceSpec {
// Only add a reference to the disk if it isn't using the default v1.DiskBusSATA bus
if bus != v1.DiskBusSATA {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: diskName,
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: bus,
},
},
})
}
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: diskName,
VolumeSource: v1.VolumeSource{
Ephemeral: &v1.EphemeralVolumeSource{
PersistentVolumeClaim: &k8sv1.PersistentVolumeClaimVolumeSource{
ClaimName: claimName,
},
},
},
})
return spec
}
func addHostDisk(spec *v1.VirtualMachineInstanceSpec, path string, hostDiskType v1.HostDiskType, size string) *v1.VirtualMachineInstanceSpec {
spec.Domain.Devices.Disks = append(spec.Domain.Devices.Disks, v1.Disk{
Name: "host-disk",
DiskDevice: v1.DiskDevice{
Disk: &v1.DiskTarget{
Bus: v1.DiskBusVirtio,
},
},
})
spec.Volumes = append(spec.Volumes, v1.Volume{
Name: "host-disk",
VolumeSource: v1.VolumeSource{
HostDisk: &v1.HostDisk{
Path: path,
Type: hostDiskType,
Capacity: resource.MustParse(size),
},
},
})
return spec
}
func GetVMIMigratable() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiMigratable)
makeMigratable(vmi)
addContainerDisk(&vmi.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageAlpine, DockerTag), v1.DiskBusVirtio)
return vmi
}
func GetVMIEphemeral() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiEphemeral)
addContainerDisk(&vmi.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageCirros, DockerTag), v1.DiskBusVirtio)
return vmi
}
func GetVMISata() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiSata)
addContainerDisk(&vmi.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageCirros, DockerTag), v1.DiskBusSATA)
return vmi
}
func GetVMIEphemeralFedora() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiFedora)
vmi.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
makeMigratable(vmi)
initFedora(&vmi.Spec)
addNoCloudDiskWitUserData(&vmi.Spec, generateCloudConfigString(cloudConfigUserPassword))
return vmi
}
func GetVMIEphemeralFedoraIsolated() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiFedora)
vmi.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
initFedoraIsolated(&vmi.Spec)
addNoCloudDiskWitUserData(&vmi.Spec, generateCloudConfigString(cloudConfigUserPassword))
return vmi
}
func GetVMISecureBoot() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiSecureBoot)
addContainerDisk(&vmi.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageFedora, DockerTag), v1.DiskBusVirtio)
_true := true
vmi.Spec.Domain.Features = &v1.Features{
SMM: &v1.FeatureState{
Enabled: &_true,
},
}
vmi.Spec.Domain.Firmware = &v1.Firmware{
Bootloader: &v1.Bootloader{
EFI: &v1.EFI{
SecureBoot: &_true,
},
},
}
vmi.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1Gi")
return vmi
}
func GetVMIAlpineEFI() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiAlpineEFI)
_false := false
addContainerDisk(&vmi.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageAlpine, DockerTag), v1.DiskBusVirtio)
vmi.Spec.Domain.Firmware = &v1.Firmware{
Bootloader: &v1.Bootloader{
EFI: &v1.EFI{
SecureBoot: &_false,
},
},
}
vmi.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1Gi")
return vmi
}
func GetVMISlirp() *v1.VirtualMachineInstance {
vm := getBaseVMI(VmiSlirp)
vm.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
vm.Spec.Networks = []v1.Network{{Name: "testSlirp", NetworkSource: v1.NetworkSource{Pod: &v1.PodNetwork{}}}}
initFedora(&vm.Spec)
addNoCloudDiskWitUserData(
&vm.Spec,
generateCloudConfigString(cloudConfigUserPassword, cloudConfigInstallAndStartService))
slirp := &v1.InterfaceSlirp{}
ports := []v1.Port{{Name: "http", Protocol: "TCP", Port: 80}}
vm.Spec.Domain.Devices.Interfaces = []v1.Interface{{Name: "testSlirp", Ports: ports, InterfaceBindingMethod: v1.InterfaceBindingMethod{Slirp: slirp}}}
return vm
}
func GetVMIMasquerade() *v1.VirtualMachineInstance {
vm := getBaseVMI(VmiMasquerade)
vm.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
vm.Spec.Networks = []v1.Network{{Name: "testmasquerade", NetworkSource: v1.NetworkSource{Pod: &v1.PodNetwork{}}}}
initFedora(&vm.Spec)
networkData := "version: 2\nethernets:\n eth0:\n addresses: [ fd10:0:2::2/120 ]\n dhcp4: true\n gateway6: fd10:0:2::1\n"
addNoCloudDiskWitUserDataNetworkData(
&vm.Spec,
generateCloudConfigString(cloudConfigUserPassword, cloudConfigInstallAndStartService),
networkData)
masquerade := &v1.InterfaceMasquerade{}
ports := []v1.Port{{Name: "http", Protocol: "TCP", Port: 80}}
vm.Spec.Domain.Devices.Interfaces = []v1.Interface{{Name: "testmasquerade", Ports: ports, InterfaceBindingMethod: v1.InterfaceBindingMethod{Masquerade: masquerade}}}
return vm
}
func GetVMISRIOV() *v1.VirtualMachineInstance {
vm := getBaseVMI(VmiSRIOV)
vm.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
vm.Spec.Networks = []v1.Network{*v1.DefaultPodNetwork(), {Name: "sriov-net", NetworkSource: v1.NetworkSource{Multus: &v1.MultusNetwork{NetworkName: "sriov/sriov-network"}}}}
initFedora(&vm.Spec)
addNoCloudDiskWitUserDataNetworkData(&vm.Spec, generateCloudConfigString(cloudConfigUserPassword), secondaryIfaceDhcpNetworkData)
vm.Spec.Domain.Devices.Interfaces = []v1.Interface{{Name: "default", InterfaceBindingMethod: v1.InterfaceBindingMethod{Masquerade: &v1.InterfaceMasquerade{}}},
{Name: "sriov-net", InterfaceBindingMethod: v1.InterfaceBindingMethod{SRIOV: &v1.InterfaceSRIOV{}}}}
return vm
}
func GetVMIMultusPtp() *v1.VirtualMachineInstance {
vm := getBaseVMI(VmiMultusPtp)
vm.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
vm.Spec.Networks = []v1.Network{{Name: "ptp", NetworkSource: v1.NetworkSource{Multus: &v1.MultusNetwork{NetworkName: "ptp-conf"}}}}
initFedora(&vm.Spec)
addNoCloudDiskWitUserData(&vm.Spec, generateCloudConfigString(cloudConfigUserPassword))
vm.Spec.Domain.Devices.Interfaces = []v1.Interface{{Name: "ptp", InterfaceBindingMethod: v1.InterfaceBindingMethod{Bridge: &v1.InterfaceBridge{}}}}
return vm
}
func GetVMIMultusMultipleNet() *v1.VirtualMachineInstance {
vm := getBaseVMI(VmiMultusMultipleNet)
vm.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1024M")
vm.Spec.Networks = []v1.Network{*v1.DefaultPodNetwork(), {Name: "ptp", NetworkSource: v1.NetworkSource{Multus: &v1.MultusNetwork{NetworkName: "ptp-conf"}}}}
initFedora(&vm.Spec)
addNoCloudDiskWitUserDataNetworkData(&vm.Spec, generateCloudConfigString(cloudConfigUserPassword), secondaryIfaceDhcpNetworkData)
vm.Spec.Domain.Devices.Interfaces = []v1.Interface{{Name: "default", InterfaceBindingMethod: v1.InterfaceBindingMethod{Masquerade: &v1.InterfaceMasquerade{}}},
{Name: "ptp", InterfaceBindingMethod: v1.InterfaceBindingMethod{Bridge: &v1.InterfaceBridge{}}}}
return vm
}
func GetVMINoCloud() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiNoCloud)
addContainerDisk(&vmi.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageCirros, DockerTag), v1.DiskBusVirtio)
addNoCloudDisk(&vmi.Spec)
addEmptyDisk(&vmi.Spec, "2Gi")
return vmi
}
func GetVMIPvc() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiPVC)
addPVCDisk(&vmi.Spec, "disk-alpine", v1.DiskBusVirtio, "pvcdisk")
return vmi
}
func GetVMIHostDisk() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiHostDisk)
addHostDisk(&vmi.Spec, "/var/data/disk.img", v1.HostDiskExistsOrCreate, "1Gi")
return vmi
}
func GetVMIWindows() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiWindows)
gracePeriod := int64(0)
spinlocks := uint32(8191)
firmware := types.UID(windowsFirmware)
_true := true
_false := false
vmi.Spec = v1.VirtualMachineInstanceSpec{
TerminationGracePeriodSeconds: &gracePeriod,
Domain: v1.DomainSpec{
CPU: &v1.CPU{Cores: 2},
Features: &v1.Features{
ACPI: v1.FeatureState{},
APIC: &v1.FeatureAPIC{},
Hyperv: &v1.FeatureHyperv{
Relaxed: &v1.FeatureState{},
VAPIC: &v1.FeatureState{},
Spinlocks: &v1.FeatureSpinlocks{Retries: &spinlocks},
},
SMM: &v1.FeatureState{},
},
Clock: &v1.Clock{
ClockOffset: v1.ClockOffset{UTC: &v1.ClockOffsetUTC{}},
Timer: &v1.Timer{
HPET: &v1.HPETTimer{Enabled: &_false},
PIT: &v1.PITTimer{TickPolicy: v1.PITTickPolicyDelay},
RTC: &v1.RTCTimer{TickPolicy: v1.RTCTickPolicyCatchup},
Hyperv: &v1.HypervTimer{},
},
},
Firmware: &v1.Firmware{
UUID: firmware,
Bootloader: &v1.Bootloader{
EFI: &v1.EFI{SecureBoot: &_true},
},
},
Resources: v1.ResourceRequirements{
Requests: k8sv1.ResourceList{
k8sv1.ResourceMemory: resource.MustParse("2048Mi"),
},
},
Devices: v1.Devices{
Interfaces: []v1.Interface{*v1.DefaultMasqueradeNetworkInterface()},
TPM: &v1.TPMDevice{},
},
},
Networks: []v1.Network{*v1.DefaultPodNetwork()},
}
// pick e1000 network model type for windows machines
vmi.Spec.Domain.Devices.Interfaces[0].Model = "e1000"
addPVCDisk(&vmi.Spec, "disk-windows", v1.DiskBusSATA, "pvcdisk")
return vmi
}
func GetVMIKernelBoot() *v1.VirtualMachineInstance {
vmi := getBaseVMI(VmiKernelBoot)
vmi.Spec.Domain.Resources.Requests[k8sv1.ResourceMemory] = resource.MustParse("1Gi")
AddKernelBootToVMI(vmi)
return vmi
}
func GetVMIKernelBootWithRandName() *v1.VirtualMachineInstance {
vmi := GetVMIKernelBoot()
vmi.Name += "-" + rand.String(5)
return vmi
}
func AddKernelBootToVMI(vmi *v1.VirtualMachineInstance) {
image := fmt.Sprintf(strFmt, DockerPrefix, imageKernelBoot, DockerTag)
const KernelArgs = "console=ttyS0"
const kernelPath = "/boot/vmlinuz-virt"
const initrdPath = "/boot/initramfs-virt"
addKernelBootContainer(&vmi.Spec, image, KernelArgs, kernelPath, initrdPath)
}
func getBaseVM(name string, labels map[string]string) *v1.VirtualMachine {
baseVMISpec := getBaseVMISpec()
running := false
return &v1.VirtualMachine{
TypeMeta: metav1.TypeMeta{
APIVersion: v1.GroupVersion.String(),
Kind: "VirtualMachine",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: labels,
},
Spec: v1.VirtualMachineSpec{
Running: &running,
Template: &v1.VirtualMachineInstanceTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
},
Spec: *baseVMISpec,
},
},
}
}
func GetPreemtible() *schedulingv1.PriorityClass {
preemtionPolicy := k8sv1.PreemptLowerPriority
pc := schedulingv1.PriorityClass{
TypeMeta: metav1.TypeMeta{
APIVersion: schedulingv1.SchemeGroupVersion.String(),
Kind: "PriorityClass",
},
GlobalDefault: false,
Description: "Priority class for VMs which are allowed to be preemtited.",
PreemptionPolicy: &preemtionPolicy,
Value: 1000000,
}
pc.ObjectMeta.Name = "preemtible"
return &pc
}
func GetNonPreemtible() *schedulingv1.PriorityClass {
preemtionPolicy := k8sv1.PreemptNever
pc := schedulingv1.PriorityClass{
TypeMeta: metav1.TypeMeta{
APIVersion: schedulingv1.SchemeGroupVersion.String(),
Kind: "PriorityClass",
},
GlobalDefault: false,
Description: "Priority class for VMs which should not be preemtited.",
PreemptionPolicy: &preemtionPolicy,
Value: 999999999,
}
pc.ObjectMeta.Name = NonPreemtible
return &pc
}
func GetVMPriorityClass() *v1.VirtualMachine {
vm := GetVMCirros()
vm.Spec.Template.Spec.PriorityClassName = NonPreemtible
vm.ObjectMeta.Name = "vm-non-preemtible"
return vm
}
func GetVMCirros() *v1.VirtualMachine {
vm := getBaseVM(VmCirros, map[string]string{
kubevirtIoVM: VmCirros,
})
addContainerDisk(&vm.Spec.Template.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageCirros, DockerTag), v1.DiskBusVirtio)
addNoCloudDisk(&vm.Spec.Template.Spec)
return vm
}
func GetVMCirrosSata() *v1.VirtualMachine {
vm := getBaseVM(VmCirrosSata, map[string]string{
kubevirtIoVM: VmCirrosSata,
})
addContainerDisk(&vm.Spec.Template.Spec, fmt.Sprintf(strFmt, DockerPrefix, imageCirros, DockerTag), v1.DiskBusSATA)
addNoCloudDisk(&vm.Spec.Template.Spec)
vm.Spec.Template.Spec.Domain.Devices = v1.Devices{}
return vm
}
func GetTemplateFedoraWithContainerDisk(containerDisk string) *Template {
vm := getFedoraVMWithoutDisk()
initFedoraWithDisk(&vm.Spec.Template.Spec, containerDisk)
return createFedoraTemplateFromVM(vm)
}
func getFedoraVMWithoutDisk() *v1.VirtualMachine {
vm := getBaseVM("", map[string]string{kubevirtVM: vmName, kubevirtIoOS: "fedora27"})
spec := &vm.Spec.Template.Spec
addNoCloudDiskWitUserData(spec, generateCloudConfigString(cloudConfigUserPassword))
setDefaultNetworkAndInterface(spec, v1.InterfaceBindingMethod{
Masquerade: &v1.InterfaceMasquerade{},
},
v1.NetworkSource{
Pod: &v1.PodNetwork{},
})
enableNetworkInterfaceMultiqueue(spec, enableNetworkInterfaceMultiqueueForTemplate)
return vm
}
func createFedoraTemplateFromVM(vm *v1.VirtualMachine) *Template {
template := getBaseTemplate(vm, "4096Mi", "4")
template.ObjectMeta = metav1.ObjectMeta{
Name: VmTemplateFedora,
Annotations: map[string]string{
"description": "OCP KubeVirt Fedora 27 VM template",
"tags": "kubevirt,ocp,template,linux,virtualmachine",
"iconClass": "icon-fedora",
},
Labels: map[string]string{
kubevirtIoOS: "fedora27",
githubKubevirtIsVMTemplate: "true",
},
}
return template
}
func GetTemplateFedora() *Template {
vm := getFedoraVMWithoutDisk()
initFedora(&vm.Spec.Template.Spec)
return createFedoraTemplateFromVM(vm)
}
func GetTemplateRHEL7() *Template {
vm := getBaseVM("", map[string]string{kubevirtVM: vmName, kubevirtIoOS: rhel74})
spec := &vm.Spec.Template.Spec
setDefaultNetworkAndInterface(spec, v1.InterfaceBindingMethod{
Masquerade: &v1.InterfaceMasquerade{},
},
v1.NetworkSource{
Pod: &v1.PodNetwork{},
})
enableNetworkInterfaceMultiqueue(spec, enableNetworkInterfaceMultiqueueForTemplate)
addPVCDisk(spec, "linux-vm-pvc-${NAME}", v1.DiskBusVirtio, "disk0")
pvc := getPVCForTemplate("linux-vm-pvc-${NAME}")
template := newTemplateForRHEL7VM(vm)
template.Objects = append(template.Objects, pvc)
return template
}
func GetTestTemplateRHEL7() *Template {
vm := getBaseVM("", map[string]string{kubevirtVM: vmName, kubevirtIoOS: rhel74})
spec := &vm.Spec.Template.Spec
addEphemeralPVCDisk(spec, "disk-rhel", v1.DiskBusSATA, "pvcdisk")
setDefaultNetworkAndInterface(spec, v1.InterfaceBindingMethod{
Masquerade: &v1.InterfaceMasquerade{},
},
v1.NetworkSource{
Pod: &v1.PodNetwork{},
})
enableNetworkInterfaceMultiqueue(spec, enableNetworkInterfaceMultiqueueForTemplate)
return newTemplateForRHEL7VM(vm)
}
func newTemplateForRHEL7VM(vm *v1.VirtualMachine) *Template {
template := getBaseTemplate(vm, "4096Mi", "4")
template.ObjectMeta = metav1.ObjectMeta{
Name: VmTemplateRHEL7,
Annotations: map[string]string{
"iconClass": "icon-rhel",
"description": "OCP KubeVirt Red Hat Enterprise Linux 7.4 VM template",
"tags": "kubevirt,ocp,template,linux,virtualmachine",
},
Labels: map[string]string{
kubevirtIoOS: rhel74,
githubKubevirtIsVMTemplate: "true",
},
}
return template
}
func GetTemplateWindows() *Template {
vm := getBaseVM("", map[string]string{kubevirtVM: vmName, kubevirtIoOS: "win2k12r2"})
windows := GetVMIWindows()
vm.Spec.Template.Spec = windows.Spec
vm.Spec.Template.ObjectMeta.Annotations = windows.ObjectMeta.Annotations
addPVCDisk(&vm.Spec.Template.Spec, "windows-vm-pvc-${NAME}", v1.DiskBusVirtio, "disk0")
pvc := getPVCForTemplate("windows-vm-pvc-${NAME}")
template := getBaseTemplate(vm, "4096Mi", "4")
template.ObjectMeta = metav1.ObjectMeta{
Name: VmTemplateWindows,
Annotations: map[string]string{
"iconClass": "icon-windows",
"description": "OCP KubeVirt Microsoft Windows Server 2012 R2 VM template",
"tags": "kubevirt,ocp,template,windows,virtualmachine",
},
Labels: map[string]string{
kubevirtIoOS: "win2k12r2",
githubKubevirtIsVMTemplate: "true",
},
}
template.Objects = append(template.Objects, pvc)
return template
}
func getPVCForTemplate(name string) *k8sv1.PersistentVolumeClaim {
return &k8sv1.PersistentVolumeClaim{
TypeMeta: metav1.TypeMeta{
Kind: "PersistentVolumeClaim",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: k8sv1.PersistentVolumeClaimSpec{
AccessModes: []k8sv1.PersistentVolumeAccessMode{k8sv1.ReadWriteOnce},
Resources: k8sv1.ResourceRequirements{
Requests: k8sv1.ResourceList{
k8sv1.ResourceStorage: resource.MustParse("10Gi"),
},
},
},
}
}
func getBaseTemplate(vm *v1.VirtualMachine, memory string, cores string) *Template {
obj := toUnstructured(vm)
unstructured.SetNestedField(obj.Object, "${{CPU_CORES}}", "spec", "template", "spec", "domain", "cpu", "cores")
unstructured.SetNestedField(obj.Object, "${MEMORY}", "spec", "template", "spec", "domain", "resources", "requests", "memory")
obj.SetName("${NAME}")
return &Template{
TypeMeta: metav1.TypeMeta{
Kind: "Template",
APIVersion: "template.openshift.io/v1",
},
Objects: []runtime.Object{
obj,
},
Parameters: templateParameters(memory, cores),
}
}
func toUnstructured(object runtime.Object) *unstructured.Unstructured {
raw, err := json.Marshal(object)
if err != nil {
panic(err)
}
var objmap map[string]interface{}
err = json.Unmarshal(raw, &objmap)
if err != nil {
panic(err)
}
return &unstructured.Unstructured{Object: objmap}
}
func templateParameters(memory string, cores string) []Parameter {
return []Parameter{
{
Name: "NAME",
Description: "Name for the new VM",
},
{
Name: "MEMORY",
Description: "Amount of memory",
Value: memory,
},
{
Name: "CPU_CORES",
Description: "Amount of cores",
Value: cores,
},
}
}
func GetVMDataVolume() *v1.VirtualMachine {
vm := getBaseVM(VmAlpineDataVolume, map[string]string{
kubevirtIoVM: VmAlpineDataVolume,
})
quantity, err := resource.ParseQuantity("2Gi")
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
panic(err)
}
storageClassName := "local"
url := fmt.Sprintf("docker://%s/%s:%s", DockerPrefix, imageAlpine, DockerTag)
dataVolumeSpec := v1.DataVolumeTemplateSpec{