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vmi_configuration_test.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 2017 Red Hat, Inc.
*
*/
package tests_test
import (
"bufio"
"context"
"fmt"
"path/filepath"
"reflect"
"strconv"
"strings"
"time"
"unicode"
"k8s.io/apimachinery/pkg/util/rand"
"kubevirt.io/kubevirt/pkg/virt-controller/services"
expect "github.com/google/goexpect"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gstruct"
"github.com/pborman/uuid"
k8sv1 "k8s.io/api/core/v1"
kubev1 "k8s.io/api/core/v1"
nodev1 "k8s.io/api/node/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/utils/pointer"
cdiv1 "kubevirt.io/containerized-data-importer-api/pkg/apis/core/v1beta1"
"kubevirt.io/kubevirt/tests/exec"
"kubevirt.io/kubevirt/tests/framework/checks"
. "kubevirt.io/kubevirt/tests/framework/matcher"
"kubevirt.io/kubevirt/tests/util"
v1 "kubevirt.io/api/core/v1"
"kubevirt.io/client-go/kubecli"
"kubevirt.io/client-go/log"
kubevirt_hooks_v1alpha2 "kubevirt.io/kubevirt/pkg/hooks/v1alpha2"
"kubevirt.io/kubevirt/pkg/testutils"
"kubevirt.io/kubevirt/pkg/util/cluster"
hw_utils "kubevirt.io/kubevirt/pkg/util/hardware"
virtconfig "kubevirt.io/kubevirt/pkg/virt-config"
"kubevirt.io/kubevirt/pkg/virt-launcher/virtwrap/api"
"kubevirt.io/kubevirt/tests"
"kubevirt.io/kubevirt/tests/console"
cd "kubevirt.io/kubevirt/tests/containerdisk"
"kubevirt.io/kubevirt/tests/libdv"
"kubevirt.io/kubevirt/tests/libnode"
"kubevirt.io/kubevirt/tests/libstorage"
"kubevirt.io/kubevirt/tests/libvmi"
"kubevirt.io/kubevirt/tests/testsuite"
"kubevirt.io/kubevirt/tests/watcher"
)
var _ = Describe("[sig-compute]Configurations", func() {
const enoughMemForSafeBiosEmulation = "32Mi"
var err error
var virtClient kubecli.KubevirtClient
const (
cgroupV1MemoryUsagePath = "/sys/fs/cgroup/memory/memory.usage_in_bytes"
cgroupV2MemoryUsagePath = "/sys/fs/cgroup/memory.current"
)
getPodMemoryUsage := func(pod *kubev1.Pod) (output string, err error) {
output, err = exec.ExecuteCommandOnPod(
virtClient,
pod,
"compute",
[]string{"cat", cgroupV2MemoryUsagePath},
)
if err == nil {
return
}
output, err = exec.ExecuteCommandOnPod(
virtClient,
pod,
"compute",
[]string{"cat", cgroupV1MemoryUsagePath},
)
return
}
BeforeEach(func() {
virtClient, err = kubecli.GetKubevirtClient()
util.PanicOnError(err)
})
Context("with all devices on the root PCI bus", func() {
It("[test_id:4623]should start run the guest as usual", func() {
vmi := libvmi.NewCirros(
libvmi.WithAnnotation(v1.PlacePCIDevicesOnRootComplex, "true"),
libvmi.WithRng(),
)
vmi.Spec.Domain.Devices.Inputs = []v1.Input{{Name: "tablet", Bus: v1.VirtIO, Type: "tablet"}, {Name: "tablet1", Bus: "usb", Type: "tablet"}}
vmi.Spec.Domain.Devices.Watchdog = &v1.Watchdog{Name: "watchdog", WatchdogDevice: v1.WatchdogDevice{I6300ESB: &v1.I6300ESBWatchdog{Action: v1.WatchdogActionPoweroff}}}
vmi = tests.RunVMIAndExpectLaunch(vmi, 60)
Expect(console.LoginToCirros(vmi)).To(Succeed())
domSpec, err := tests.GetRunningVMIDomainSpec(vmi)
Expect(err).ToNot(HaveOccurred())
rootPortController := []api.Controller{}
for _, c := range domSpec.Devices.Controllers {
if c.Model == "pcie-root-port" {
rootPortController = append(rootPortController, c)
}
}
Expect(rootPortController).To(BeEmpty(), "libvirt should not add additional buses to the root one")
})
})
Context("when requesting virtio-transitional models", func() {
It("[test_id:6957]should start and run the guest", func() {
vmi := libvmi.NewCirros(libvmi.WithRng())
vmi.Spec.Domain.Devices.Inputs = []v1.Input{{Name: "tablet", Bus: v1.VirtIO, Type: "tablet"}, {Name: "tablet1", Bus: "usb", Type: "tablet"}}
vmi.Spec.Domain.Devices.Watchdog = &v1.Watchdog{Name: "watchdog", WatchdogDevice: v1.WatchdogDevice{I6300ESB: &v1.I6300ESBWatchdog{Action: v1.WatchdogActionPoweroff}}}
vmi.Spec.Domain.Devices.UseVirtioTransitional = pointer.BoolPtr(true)
vmi = tests.RunVMIAndExpectLaunch(vmi, 60)
Expect(console.LoginToCirros(vmi)).To(Succeed())
domSpec, err := tests.GetRunningVMIDomainSpec(vmi)
Expect(err).ToNot(HaveOccurred())
testutils.ExpectVirtioTransitionalOnly(domSpec)
})
})
Context("[rfe_id:897][crit:medium][vendor:[email protected]][level:component]for CPU and memory limits should", func() {
It("[test_id:3110]lead to get the burstable QOS class assigned when limit and requests differ", func() {
vmi := libvmi.NewAlpine()
vmi = tests.RunVMIAndExpectScheduling(vmi, 60)
Eventually(func() kubev1.PodQOSClass {
vmi, err := virtClient.VirtualMachineInstance(vmi.Namespace).Get(vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vmi.IsFinal()).To(BeFalse())
if vmi.Status.QOSClass == nil {
return ""
}
return *vmi.Status.QOSClass
}, 10*time.Second, 1*time.Second).Should(Equal(kubev1.PodQOSBurstable))
})
It("[test_id:3111]lead to get the guaranteed QOS class assigned when limit and requests are identical", func() {
vmi := libvmi.NewAlpine()
By("specifying identical limits and requests")
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("1"),
kubev1.ResourceMemory: resource.MustParse("64M"),
},
Limits: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("1"),
kubev1.ResourceMemory: resource.MustParse("64M"),
},
}
By("adding a sidecar to ensure it gets limits assigned too")
vmi.ObjectMeta.Annotations = RenderSidecar(kubevirt_hooks_v1alpha2.Version)
vmi = tests.RunVMIAndExpectScheduling(vmi, 60)
Eventually(func() kubev1.PodQOSClass {
vmi, err := virtClient.VirtualMachineInstance(vmi.Namespace).Get(vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vmi.IsFinal()).To(BeFalse())
if vmi.Status.QOSClass == nil {
return ""
}
return *vmi.Status.QOSClass
}, 10*time.Second, 1*time.Second).Should(Equal(kubev1.PodQOSGuaranteed))
})
It("[test_id:3112]lead to get the guaranteed QOS class assigned when only limits are set", func() {
vmi := libvmi.NewAlpine()
By("specifying identical limits and requests")
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{},
Limits: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("1"),
kubev1.ResourceMemory: resource.MustParse("64M"),
},
}
By("adding a sidecar to ensure it gets limits assigned too")
vmi.ObjectMeta.Annotations = RenderSidecar(kubevirt_hooks_v1alpha2.Version)
vmi = tests.RunVMIAndExpectScheduling(vmi, 60)
Eventually(func() kubev1.PodQOSClass {
vmi, err := virtClient.VirtualMachineInstance(vmi.Namespace).Get(vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vmi.IsFinal()).To(BeFalse())
if vmi.Status.QOSClass == nil {
return ""
}
return *vmi.Status.QOSClass
}, 10*time.Second, 1*time.Second).Should(Equal(kubev1.PodQOSGuaranteed))
vmi, err = virtClient.VirtualMachineInstance(vmi.Namespace).Get(vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(vmi.Spec.Domain.Resources.Requests.Cpu().Cmp(*vmi.Spec.Domain.Resources.Limits.Cpu())).To(BeZero())
Expect(vmi.Spec.Domain.Resources.Requests.Memory().Cmp(*vmi.Spec.Domain.Resources.Limits.Memory())).To(BeZero())
})
})
Describe("VirtualMachineInstance definition", func() {
fedoraWithUefiSecuredBoot := libvmi.NewFedora(
libvmi.WithResourceMemory("1Gi"),
libvmi.WithUefi(true),
libvmi.WithInterface(libvmi.InterfaceDeviceWithMasqueradeBinding()),
libvmi.WithNetwork(v1.DefaultPodNetwork()),
)
alpineWithUefiWithoutSecureBoot := libvmi.NewAlpine(
libvmi.WithResourceMemory("1Gi"),
libvmi.WithUefi(false),
libvmi.WithInterface(libvmi.InterfaceDeviceWithMasqueradeBinding()),
libvmi.WithNetwork(v1.DefaultPodNetwork()),
)
DescribeTable("with memory configuration", func(vmiOptions []libvmi.Option, expectedGuestMemory int) {
vmi := libvmi.New(vmiOptions...)
By("Starting a VirtualMachineInstance")
vmi = tests.RunVMIAndExpectScheduling(vmi, 60)
tests.WaitForSuccessfulVMIStart(vmi)
expectedMemoryInKiB := expectedGuestMemory * 1024
expectedMemoryXMLStr := fmt.Sprintf("unit='KiB'>%d", expectedMemoryInKiB)
domXml, err := tests.GetRunningVirtualMachineInstanceDomainXML(virtClient, vmi)
Expect(err).ToNot(HaveOccurred())
Expect(domXml).To(ContainSubstring(expectedMemoryXMLStr))
},
Entry("provided by domain spec directly",
[]libvmi.Option{
libvmi.WithGuestMemory("512Mi"),
},
512,
),
Entry("provided by resources limits",
[]libvmi.Option{
libvmi.WithLimitMemory("256Mi"),
libvmi.WithLimitCPU("1"),
},
256,
),
Entry("provided by resources requests and limits",
[]libvmi.Option{
libvmi.WithResourceCPU("1"),
libvmi.WithLimitCPU("1"),
libvmi.WithResourceMemory("64Mi"),
libvmi.WithLimitMemory("256Mi"),
},
64,
),
)
Context("[Serial][rfe_id:2065][crit:medium][vendor:[email protected]][level:component]with 3 CPU cores", func() {
var availableNumberOfCPUs int
var vmi *v1.VirtualMachineInstance
BeforeEach(func() {
availableNumberOfCPUs = libnode.GetHighestCPUNumberAmongNodes(virtClient)
requiredNumberOfCpus := 3
Expect(availableNumberOfCPUs).ToNot(BeNumerically("<", requiredNumberOfCpus),
fmt.Sprintf("Test requires %d cpus, but only %d available!", requiredNumberOfCpus, availableNumberOfCPUs))
vmi = libvmi.NewAlpine()
})
It("[test_id:1659]should report 3 cpu cores under guest OS", func() {
vmi.Spec.Domain.CPU = &v1.CPU{
Cores: 3,
}
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("100M"),
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of CPU cores under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep -c ^processor /proc/cpuinfo\n"},
&expect.BExp{R: console.RetValue("3")},
}, 15)).To(Succeed(), "should report number of cores")
By("Checking the requested amount of memory allocated for a guest")
Expect(vmi.Spec.Domain.Resources.Requests.Memory().String()).To(Equal("100M"))
readyPod := tests.GetRunningPodByVirtualMachineInstance(vmi, util.NamespaceTestDefault)
var computeContainer *kubev1.Container
for _, container := range readyPod.Spec.Containers {
if container.Name == "compute" {
computeContainer = &container
break
}
}
if computeContainer == nil {
util.PanicOnError(fmt.Errorf("could not find the compute container"))
}
Expect(computeContainer.Resources.Requests.Memory().ToDec().ScaledValue(resource.Mega)).To(Equal(int64(371)))
Expect(err).ToNot(HaveOccurred())
})
It("[test_id:4624]should set a correct memory units", func() {
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("64Mi"),
},
}
expectedMemoryInKiB := 64 * 1024
expectedMemoryXMLStr := fmt.Sprintf("unit='KiB'>%d", expectedMemoryInKiB)
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
domXml, err := tests.GetRunningVirtualMachineInstanceDomainXML(virtClient, vmi)
Expect(err).ToNot(HaveOccurred())
Expect(domXml).To(ContainSubstring(expectedMemoryXMLStr))
})
It("[test_id:1660]should report 3 sockets under guest OS", func() {
vmi.Spec.Domain.CPU = &v1.CPU{
Sockets: 3,
Cores: 2,
}
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("120M"),
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of sockets under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep '^physical id' /proc/cpuinfo | uniq | wc -l\n"},
&expect.BExp{R: console.RetValue("3")},
}, 60)).To(Succeed(), "should report number of sockets")
})
It("[test_id:1661]should report 2 sockets from spec.domain.resources.requests under guest OS ", func() {
vmi.Spec.Domain.CPU = nil
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("1200m"),
kubev1.ResourceMemory: resource.MustParse("100M"),
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of sockets under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep '^physical id' /proc/cpuinfo | uniq | wc -l\n"},
&expect.BExp{R: console.RetValue("2")},
}, 60)).To(Succeed(), "should report number of sockets")
})
It("[test_id:1662]should report 2 sockets from spec.domain.resources.limits under guest OS ", func() {
vmi.Spec.Domain.CPU = nil
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("100M"),
},
Limits: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("1200m"),
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of sockets under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep '^physical id' /proc/cpuinfo | uniq | wc -l\n"},
&expect.BExp{R: console.RetValue("2")},
}, 60)).To(Succeed(), "should report number of sockets")
})
It("[test_id:1663]should report 4 vCPUs under guest OS", func() {
vmi.Spec.Domain.CPU = &v1.CPU{
Threads: 2,
Sockets: 2,
Cores: 1,
}
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("128M"),
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of vCPUs under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep -c ^processor /proc/cpuinfo\n"},
&expect.BExp{R: console.RetValue("4")},
}, 60)).To(Succeed(), "should report number of threads")
})
It("[Serial][test_id:1664]should map cores to virtio block queues", func() {
_true := true
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("64M"),
kubev1.ResourceCPU: resource.MustParse("3"),
},
}
vmi.Spec.Domain.Devices.BlockMultiQueue = &_true
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
domXml, err := tests.GetRunningVirtualMachineInstanceDomainXML(virtClient, vmi)
Expect(err).ToNot(HaveOccurred())
Expect(domXml).To(ContainSubstring("queues='3'"))
})
It("[test_id:1665]should map cores to virtio net queues", func() {
if testsuite.ShouldAllowEmulation(virtClient) {
Skip("Software emulation should not be enabled for this test to run")
}
_true := true
_false := false
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("64M"),
kubev1.ResourceCPU: resource.MustParse("3"),
},
}
vmi.Spec.Domain.Devices.NetworkInterfaceMultiQueue = &_true
vmi.Spec.Domain.Devices.BlockMultiQueue = &_false
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
domXml, err := tests.GetRunningVirtualMachineInstanceDomainXML(virtClient, vmi)
Expect(err).ToNot(HaveOccurred())
Expect(domXml).To(ContainSubstring("driver name='vhost' queues='3'"))
// make sure that there are not block queues configured
Expect(domXml).ToNot(ContainSubstring("cache='none' queues='3'"))
})
It("[test_id:1667]should not enforce explicitly rejected virtio block queues without cores", func() {
_false := false
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("64M"),
},
}
vmi.Spec.Domain.Devices.BlockMultiQueue = &_false
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
domXml, err := tests.GetRunningVirtualMachineInstanceDomainXML(virtClient, vmi)
Expect(err).ToNot(HaveOccurred())
Expect(domXml).ToNot(ContainSubstring("queues='"))
})
})
Context("[rfe_id:140][crit:medium][vendor:[email protected]][level:component]with no memory requested", func() {
It("[test_id:3113]should failed to the VMI creation", func() {
vmi := libvmi.New()
By("Starting a VirtualMachineInstance")
_, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).To(HaveOccurred())
})
})
Context("[Serial][rfe_id:609][crit:medium][vendor:[email protected]][level:component]with cluster memory overcommit being applied", func() {
BeforeEach(func() {
kv := util.GetCurrentKv(virtClient)
config := kv.Spec.Configuration
config.DeveloperConfiguration.MemoryOvercommit = 200
tests.UpdateKubeVirtConfigValueAndWait(config)
})
It("[test_id:3114]should set requested amount of memory according to the specified virtual memory", func() {
vmi := libvmi.New()
guestMemory := resource.MustParse("4096M")
vmi.Spec.Domain.Memory = &v1.Memory{Guest: &guestMemory}
vmi.Spec.Domain.Resources = v1.ResourceRequirements{}
runningVMI := tests.RunVMI(vmi, 30)
Expect(runningVMI.Spec.Domain.Resources.Requests.Memory().String()).To(Equal("2048M"))
})
})
Context("with BIOS bootloader method and no disk", func() {
It("[test_id:5265]should find no bootable device by default", func() {
By("Creating a VMI with no disk and an explicit network interface")
vmi := libvmi.New(
libvmi.WithNetwork(v1.DefaultPodNetwork()),
libvmi.WithInterface(libvmi.InterfaceDeviceWithMasqueradeBinding()),
)
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("32M"),
},
}
By("Enabling BIOS serial output")
vmi.Spec.Domain.Firmware = &v1.Firmware{
Bootloader: &v1.Bootloader{
BIOS: &v1.BIOS{
UseSerial: tests.NewBool(true),
},
},
}
By("Ensuring network boot is disabled on the network interface")
Expect(vmi.Spec.Domain.Devices.Interfaces[0].BootOrder).To(BeNil())
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
By("Expecting no bootable NIC")
Expect(console.NetBootExpecter(vmi)).NotTo(Succeed())
// The expecter *should* have error-ed since the network interface is not marked bootable
})
It("[test_id:5266]should boot to NIC rom if a boot order was set on a network interface", func() {
By("Enabling network boot")
var bootOrder uint = 1
interfaceDeviceWithMasqueradeBinding := libvmi.InterfaceDeviceWithMasqueradeBinding()
interfaceDeviceWithMasqueradeBinding.BootOrder = &bootOrder
By("Creating a VMI with no disk and an explicit network interface")
vmi := libvmi.New(
libvmi.WithResourceMemory(enoughMemForSafeBiosEmulation),
libvmi.WithNetwork(v1.DefaultPodNetwork()),
libvmi.WithInterface(interfaceDeviceWithMasqueradeBinding),
withSerialBIOS(),
)
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
By("Expecting a bootable NIC")
Expect(console.NetBootExpecter(vmi)).To(Succeed())
})
})
DescribeTable("[rfe_id:2262][crit:medium][vendor:[email protected]][level:component]with EFI bootloader method", func(vmi *v1.VirtualMachineInstance, loginTo console.LoginToFunction, msg string, fileName string) {
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
wp := watcher.WarningsPolicy{FailOnWarnings: false}
tests.WaitForVMIStartOrFailed(vmi, 180, wp)
vmiMeta, err := virtClient.VirtualMachineInstance(vmi.Namespace).Get(vmi.Name, &metav1.GetOptions{})
ExpectWithOffset(1, err).ToNot(HaveOccurred())
switch vmiMeta.Status.Phase {
case v1.Failed:
// This Error is expected to be handled
By("Getting virt-launcher logs")
logs := func() string { return getVirtLauncherLogs(virtClient, vmi) }
Eventually(logs,
30*time.Second,
500*time.Millisecond).
Should(ContainSubstring("EFI OVMF rom missing"))
default:
tests.WaitUntilVMIReady(vmi, loginTo)
By(msg)
domXml, err := tests.GetRunningVirtualMachineInstanceDomainXML(virtClient, vmi)
Expect(err).ToNot(HaveOccurred())
Expect(domXml).To(MatchRegexp(fileName))
}
},
Entry("[Serial][test_id:1668]should use EFI without secure boot", alpineWithUefiWithoutSecureBoot, console.LoginToAlpine, "Checking if UEFI is enabled", `OVMF_CODE(\.secboot)?\.fd`),
Entry("[Serial][test_id:4437]should enable EFI secure boot", fedoraWithUefiSecuredBoot, console.SecureBootExpecter, "Checking if SecureBoot is enabled in the libvirt XML", `OVMF_CODE\.secboot\.fd`),
)
Context("[rfe_id:140][crit:medium][vendor:[email protected]][level:component]with diverging guest memory from requested memory", func() {
It("[test_id:1669]should show the requested guest memory inside the VMI", func() {
vmi := libvmi.NewCirros()
guestMemory := resource.MustParse("256Mi")
vmi.Spec.Domain.Memory = &v1.Memory{
Guest: &guestMemory,
}
vmi, err := virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
Expect(console.LoginToCirros(vmi)).To(Succeed())
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "free -m | grep Mem: | tr -s ' ' | cut -d' ' -f2\n"},
&expect.BExp{R: console.RetValue("225")},
}, 10)).To(Succeed())
})
})
Context("[rfe_id:140][crit:medium][vendor:[email protected]][level:component]with diverging memory limit from memory request and no guest memory", func() {
It("[test_id:3115]should show the memory request inside the VMI", func() {
vmi := libvmi.NewCirros(
libvmi.WithResourceMemory("256Mi"),
libvmi.WithLimitMemory("512Mi"),
)
vmi, err := virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
Expect(console.LoginToCirros(vmi)).To(Succeed())
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "free -m | grep Mem: | tr -s ' ' | cut -d' ' -f2\n"},
&expect.BExp{R: console.RetValue("225")},
}, 10)).To(Succeed())
})
})
Context("[rfe_id:989]test cpu_allocation_ratio", func() {
It("virt-launchers pod cpu requests should be proportional to the number of vCPUs", func() {
vmi := libvmi.NewCirros()
guestMemory := resource.MustParse("256Mi")
vmi.Spec.Domain.Memory = &v1.Memory{
Guest: &guestMemory,
}
vmi.Spec.Domain.CPU = &v1.CPU{
Threads: 1,
Sockets: 1,
Cores: 6,
}
vmi, err := virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
readyPod := tests.GetRunningPodByVirtualMachineInstance(vmi, util.NamespaceTestDefault)
var computeContainer *kubev1.Container
for _, container := range readyPod.Spec.Containers {
if container.Name == "compute" {
computeContainer = &container
break
}
}
if computeContainer == nil {
util.PanicOnError(fmt.Errorf("could not find the compute container"))
}
Expect(computeContainer.Resources.Requests.Cpu().String()).To(Equal("600m"))
})
})
Context("[rfe_id:140][crit:medium][vendor:[email protected]][level:component]with support memory over commitment", func() {
It("[test_id:755]should show the requested memory different than guest memory", func() {
vmi := libvmi.NewCirros(overcommitGuestOverhead())
guestMemory := resource.MustParse("256Mi")
vmi.Spec.Domain.Memory = &v1.Memory{
Guest: &guestMemory,
}
vmi, err := virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
Expect(console.LoginToCirros(vmi)).To(Succeed())
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "[ $(free -m | grep Mem: | tr -s ' ' | cut -d' ' -f2) -gt 200 ] && echo 'pass'\n"},
&expect.BExp{R: console.RetValue("pass")},
&expect.BSnd{S: "swapoff -a && dd if=/dev/zero of=/dev/shm/test bs=1k count=100k\n"},
&expect.BExp{R: console.PromptExpression},
&expect.BSnd{S: "echo $?\n"},
&expect.BExp{R: console.RetValue("0")},
}, 15)).To(Succeed())
pod := tests.GetRunningPodByVirtualMachineInstance(vmi, util.NamespaceTestDefault)
podMemoryUsage, err := getPodMemoryUsage(pod)
Expect(err).ToNot(HaveOccurred())
By("Converting pod memory usage")
m, err := strconv.Atoi(strings.Trim(podMemoryUsage, "\n"))
Expect(err).ToNot(HaveOccurred())
By("Checking if pod memory usage is > 64Mi")
Expect(m > 67108864).To(BeTrue(), "67108864 B = 64 Mi")
})
})
Context("[rfe_id:609][crit:medium][vendor:[email protected]][level:component]Support memory over commitment test", func() {
var vmi *v1.VirtualMachineInstance
BeforeEach(func() {
vmi = libvmi.NewCirros(overcommitGuestOverhead())
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(vmi)
})
It("[test_id:730]Check OverCommit VM Created and Started", func() {
overcommitVmi, err := virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Get(vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
tests.WaitForSuccessfulVMIStart(overcommitVmi)
})
It("[test_id:731]Check OverCommit status on VMI", func() {
overcommitVmi, err := virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Get(vmi.Name, &metav1.GetOptions{})
Expect(err).ToNot(HaveOccurred())
Expect(overcommitVmi.Spec.Domain.Resources.OvercommitGuestOverhead).To(BeTrue())
})
It("[test_id:732]Check Free memory on the VMI", func() {
By("Expecting console")
Expect(console.LoginToCirros(vmi)).To(Succeed())
// Check on the VM, if the Free memory is roughly what we expected
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "[ $(free -m | grep Mem: | tr -s ' ' | cut -d' ' -f2) -gt 90 ] && echo 'pass'\n"},
&expect.BExp{R: console.RetValue("pass")},
}, 15)).To(Succeed())
})
})
Context("[rfe_id:3078][crit:medium][vendor:[email protected]][level:component]with usb controller", func() {
It("[test_id:3117]should start the VMI with usb controller when usb device is present", func() {
vmi := libvmi.NewAlpine()
vmi.Spec.Domain.Devices.Inputs = []v1.Input{
{
Name: "tablet0",
Type: "tablet",
Bus: "usb",
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of usb under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "ls -l /sys/bus/usb/devices/usb* | wc -l\n"},
&expect.BExp{R: console.RetValue("2")},
}, 60)).To(Succeed(), "should report number of usb")
})
It("[test_id:3117]should start the VMI with usb controller when input device doesn't have bus", func() {
vmi := libvmi.NewAlpine()
vmi.Spec.Domain.Devices.Inputs = []v1.Input{
{
Name: "tablet0",
Type: "tablet",
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of usb under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "ls -l /sys/bus/usb/devices/usb* | wc -l\n"},
&expect.BExp{R: console.RetValue("2")},
}, 60)).To(Succeed(), "should report number of usb")
})
It("[test_id:3118]should start the VMI without usb controller", func() {
vmi := libvmi.NewAlpine()
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the number of usb under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "ls -l /sys/bus/usb/devices/usb* 2>/dev/null | wc -l\n"},
&expect.BExp{R: console.RetValue("0")},
}, 60)).To(Succeed(), "should report number of usb")
})
})
Context("[rfe_id:3077][crit:medium][vendor:[email protected]][level:component]with input devices", func() {
It("[test_id:2642]should failed to start the VMI with wrong type of input device", func() {
vmi := libvmi.NewCirros()
vmi.Spec.Domain.Devices.Inputs = []v1.Input{
{
Name: "tablet0",
Type: "keyboard",
Bus: v1.VirtIO,
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).To(HaveOccurred(), "should not start vmi")
})
It("[test_id:3074]should failed to start the VMI with wrong bus of input device", func() {
vmi := libvmi.NewCirros()
vmi.Spec.Domain.Devices.Inputs = []v1.Input{
{
Name: "tablet0",
Type: "tablet",
Bus: "ps2",
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).To(HaveOccurred(), "should not start vmi")
})
It("[test_id:3072]should start the VMI with tablet input device with virtio bus", func() {
vmi := libvmi.NewAlpine()
vmi.Spec.Domain.Devices.Inputs = []v1.Input{
{
Name: "tablet0",
Type: "tablet",
Bus: v1.VirtIO,
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the tablet input under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep -rs '^QEMU Virtio Tablet' /sys/devices | wc -l\n"},
&expect.BExp{R: console.RetValue("1")},
}, 60)).To(Succeed(), "should report input device")
})
It("[test_id:3073]should start the VMI with tablet input device with usb bus", func() {
vmi := libvmi.NewAlpine()
vmi.Spec.Domain.Devices.Inputs = []v1.Input{
{
Name: "tablet0",
Type: "tablet",
Bus: "usb",
},
}
By("Starting a VirtualMachineInstance")
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
Expect(err).ToNot(HaveOccurred(), "should start vmi")
tests.WaitForSuccessfulVMIStart(vmi)
By("Expecting the VirtualMachineInstance console")
Expect(console.LoginToAlpine(vmi)).To(Succeed())
By("Checking the tablet input under guest OS")
Expect(console.SafeExpectBatch(vmi, []expect.Batcher{
&expect.BSnd{S: "grep -rs '^QEMU USB Tablet' /sys/devices | wc -l\n"},
&expect.BExp{R: console.RetValue("1")},
}, 60)).To(Succeed(), "should report input device")
})
})
Context("[rfe_id:140][crit:medium][vendor:[email protected]][level:component]with namespace memory limits lower than VMI required memory", func() {
var vmi *v1.VirtualMachineInstance
It("[test_id:1670]should failed to start the VMI", func() {
// create a namespace default limit
limitRangeObj := kubev1.LimitRange{
ObjectMeta: metav1.ObjectMeta{Name: "abc1", Namespace: util.NamespaceTestDefault},
Spec: kubev1.LimitRangeSpec{
Limits: []kubev1.LimitRangeItem{
{
Type: kubev1.LimitTypeContainer,
Default: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("32Mi"),
},
},
},
},
}
_, err := virtClient.CoreV1().LimitRanges(util.NamespaceTestDefault).Create(context.Background(), &limitRangeObj, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
By("Starting a VirtualMachineInstance")
// Retrying up to 5 sec, then if you still succeeds in VMI creation, things must be going wrong.
Eventually(func() error {
vmi = libvmi.NewAlpine()
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceMemory: resource.MustParse("64M"),
},
}
vmi, err = virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Create(vmi)
virtClient.VirtualMachineInstance(util.NamespaceTestDefault).Delete(vmi.Name, &metav1.DeleteOptions{})
return err
}, 5*time.Second, 1*time.Second).Should(MatchError("admission webhook \"virtualmachineinstances-create-validator.kubevirt.io\" denied the request: spec.domain.resources.requests.memory '64M' is greater than spec.domain.resources.limits.memory '32Mi'"))
})
})
Context("[rfe_id:140][crit:medium][vendor:[email protected]][level:component]with namespace cpu limits lower than VMI required cpu", func() {
var vmi *v1.VirtualMachineInstance
It("[test_id:3119]should fail to start the VMI", func() {
// create a namespace default limit
limitRangeObj := kubev1.LimitRange{
ObjectMeta: metav1.ObjectMeta{Name: "abc1", Namespace: util.NamespaceTestDefault},
Spec: kubev1.LimitRangeSpec{
Limits: []kubev1.LimitRangeItem{
{
Type: kubev1.LimitTypeContainer,
Default: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("500m"),
},
},
},
},
}
_, err := virtClient.CoreV1().LimitRanges(util.NamespaceTestDefault).Create(context.Background(), &limitRangeObj, metav1.CreateOptions{})
Expect(err).ToNot(HaveOccurred())
By("Starting a VirtualMachineInstance")
// Retrying up to 5 sec, then if you still succeeds in VMI creation, things must be going wrong.
Eventually(func() error {
vmi = libvmi.NewAlpine()
vmi.Spec.Domain.Resources = v1.ResourceRequirements{
Requests: kubev1.ResourceList{
kubev1.ResourceCPU: resource.MustParse("800m"),
kubev1.ResourceMemory: resource.MustParse("512M"),
},