98fc4a107a
When node lease feature is enabled, kubelet reports node status to api server only if there is some change or it didn't report over last report interval.
1922 lines
70 KiB
Go
1922 lines
70 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubelet
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import (
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"encoding/json"
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"fmt"
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"net"
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goruntime "runtime"
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"sort"
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"strconv"
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"sync/atomic"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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cadvisorapi "github.com/google/cadvisor/info/v1"
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"k8s.io/api/core/v1"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/diff"
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"k8s.io/apimachinery/pkg/util/rand"
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"k8s.io/apimachinery/pkg/util/strategicpatch"
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"k8s.io/apimachinery/pkg/util/uuid"
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"k8s.io/apimachinery/pkg/util/wait"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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utilfeaturetesting "k8s.io/apiserver/pkg/util/feature/testing"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/fake"
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"k8s.io/client-go/rest"
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core "k8s.io/client-go/testing"
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"k8s.io/kubernetes/pkg/features"
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kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
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cadvisortest "k8s.io/kubernetes/pkg/kubelet/cadvisor/testing"
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"k8s.io/kubernetes/pkg/kubelet/cm"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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"k8s.io/kubernetes/pkg/kubelet/nodestatus"
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"k8s.io/kubernetes/pkg/kubelet/util/sliceutils"
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schedulerapi "k8s.io/kubernetes/pkg/scheduler/api"
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taintutil "k8s.io/kubernetes/pkg/util/taints"
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"k8s.io/kubernetes/pkg/version"
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"k8s.io/kubernetes/pkg/volume/util"
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)
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const (
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maxImageTagsForTest = 20
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)
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// generateTestingImageLists generate randomly generated image list and corresponding expectedImageList.
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func generateTestingImageLists(count int, maxImages int) ([]kubecontainer.Image, []v1.ContainerImage) {
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// imageList is randomly generated image list
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var imageList []kubecontainer.Image
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for ; count > 0; count-- {
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imageItem := kubecontainer.Image{
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ID: string(uuid.NewUUID()),
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RepoTags: generateImageTags(),
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Size: rand.Int63nRange(minImgSize, maxImgSize+1),
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}
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imageList = append(imageList, imageItem)
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}
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expectedImageList := makeExpectedImageList(imageList, maxImages)
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return imageList, expectedImageList
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}
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func makeExpectedImageList(imageList []kubecontainer.Image, maxImages int) []v1.ContainerImage {
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// expectedImageList is generated by imageList according to size and maxImages
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// 1. sort the imageList by size
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sort.Sort(sliceutils.ByImageSize(imageList))
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// 2. convert sorted imageList to v1.ContainerImage list
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var expectedImageList []v1.ContainerImage
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for _, kubeImage := range imageList {
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apiImage := v1.ContainerImage{
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Names: kubeImage.RepoTags[0:nodestatus.MaxNamesPerImageInNodeStatus],
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SizeBytes: kubeImage.Size,
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}
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expectedImageList = append(expectedImageList, apiImage)
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}
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// 3. only returns the top maxImages images in expectedImageList
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if maxImages == -1 { // -1 means no limit
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return expectedImageList
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}
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return expectedImageList[0:maxImages]
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}
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func generateImageTags() []string {
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var tagList []string
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// Generate > MaxNamesPerImageInNodeStatus tags so that the test can verify
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// that kubelet report up to MaxNamesPerImageInNodeStatus tags.
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count := rand.IntnRange(nodestatus.MaxNamesPerImageInNodeStatus+1, maxImageTagsForTest+1)
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for ; count > 0; count-- {
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tagList = append(tagList, "k8s.gcr.io:v"+strconv.Itoa(count))
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}
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return tagList
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}
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func applyNodeStatusPatch(originalNode *v1.Node, patch []byte) (*v1.Node, error) {
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original, err := json.Marshal(originalNode)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal original node %#v: %v", originalNode, err)
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}
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updated, err := strategicpatch.StrategicMergePatch(original, patch, v1.Node{})
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if err != nil {
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return nil, fmt.Errorf("failed to apply strategic merge patch %q on node %#v: %v",
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patch, originalNode, err)
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}
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updatedNode := &v1.Node{}
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if err := json.Unmarshal(updated, updatedNode); err != nil {
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return nil, fmt.Errorf("failed to unmarshal updated node %q: %v", updated, err)
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}
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return updatedNode, nil
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}
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func notImplemented(action core.Action) (bool, runtime.Object, error) {
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return true, nil, fmt.Errorf("no reaction implemented for %s", action)
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}
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func addNotImplatedReaction(kubeClient *fake.Clientset) {
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if kubeClient == nil {
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return
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}
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kubeClient.AddReactor("*", "*", notImplemented)
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}
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type localCM struct {
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cm.ContainerManager
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allocatableReservation v1.ResourceList
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capacity v1.ResourceList
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}
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func (lcm *localCM) GetNodeAllocatableReservation() v1.ResourceList {
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return lcm.allocatableReservation
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}
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func (lcm *localCM) GetCapacity() v1.ResourceList {
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return lcm.capacity
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}
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// sortableNodeAddress is a type for sorting []v1.NodeAddress
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type sortableNodeAddress []v1.NodeAddress
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func (s sortableNodeAddress) Len() int { return len(s) }
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func (s sortableNodeAddress) Less(i, j int) bool {
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return (string(s[i].Type) + s[i].Address) < (string(s[j].Type) + s[j].Address)
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}
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func (s sortableNodeAddress) Swap(i, j int) { s[j], s[i] = s[i], s[j] }
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func sortNodeAddresses(addrs sortableNodeAddress) {
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sort.Sort(addrs)
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}
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func TestUpdateNewNodeStatus(t *testing.T) {
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cases := []struct {
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desc string
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nodeStatusMaxImages int32
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}{
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{
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desc: "5 image limit",
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nodeStatusMaxImages: 5,
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},
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{
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desc: "no image limit",
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nodeStatusMaxImages: -1,
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},
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}
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for _, tc := range cases {
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t.Run(tc.desc, func(t *testing.T) {
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// generate one more in inputImageList than we configure the Kubelet to report,
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// or 5 images if unlimited
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numTestImages := int(tc.nodeStatusMaxImages) + 1
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if tc.nodeStatusMaxImages == -1 {
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numTestImages = 5
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}
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inputImageList, expectedImageList := generateTestingImageLists(numTestImages, int(tc.nodeStatusMaxImages))
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testKubelet := newTestKubeletWithImageList(
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t, inputImageList, false /* controllerAttachDetachEnabled */, true /*initFakeVolumePlugin*/)
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defer testKubelet.Cleanup()
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kubelet := testKubelet.kubelet
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kubelet.nodeStatusMaxImages = tc.nodeStatusMaxImages
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kubelet.kubeClient = nil // ensure only the heartbeat client is used
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kubelet.containerManager = &localCM{
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ContainerManager: cm.NewStubContainerManager(),
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allocatableReservation: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(200, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(100E6, resource.BinarySI),
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v1.ResourceEphemeralStorage: *resource.NewQuantity(2000, resource.BinarySI),
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},
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capacity: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
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v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
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},
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}
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// Since this test retroactively overrides the stub container manager,
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// we have to regenerate default status setters.
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kubelet.setNodeStatusFuncs = kubelet.defaultNodeStatusFuncs()
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kubeClient := testKubelet.fakeKubeClient
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existingNode := v1.Node{ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname}}
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kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{existingNode}}).ReactionChain
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machineInfo := &cadvisorapi.MachineInfo{
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MachineID: "123",
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SystemUUID: "abc",
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BootID: "1b3",
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NumCores: 2,
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MemoryCapacity: 10E9, // 10G
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}
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kubelet.machineInfo = machineInfo
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expectedNode := &v1.Node{
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ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
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Spec: v1.NodeSpec{},
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Status: v1.NodeStatus{
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Conditions: []v1.NodeCondition{
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{
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Type: v1.NodeMemoryPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientMemory",
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Message: fmt.Sprintf("kubelet has sufficient memory available"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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{
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Type: v1.NodeDiskPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasNoDiskPressure",
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Message: fmt.Sprintf("kubelet has no disk pressure"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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{
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Type: v1.NodePIDPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientPID",
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Message: fmt.Sprintf("kubelet has sufficient PID available"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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{
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Type: v1.NodeReady,
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Status: v1.ConditionTrue,
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Reason: "KubeletReady",
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Message: fmt.Sprintf("kubelet is posting ready status"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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},
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NodeInfo: v1.NodeSystemInfo{
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MachineID: "123",
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SystemUUID: "abc",
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BootID: "1b3",
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KernelVersion: cadvisortest.FakeKernelVersion,
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OSImage: cadvisortest.FakeContainerOsVersion,
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OperatingSystem: goruntime.GOOS,
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Architecture: goruntime.GOARCH,
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ContainerRuntimeVersion: "test://1.5.0",
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KubeletVersion: version.Get().String(),
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KubeProxyVersion: version.Get().String(),
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},
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Capacity: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
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v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
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v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
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},
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Allocatable: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(1800, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(9900E6, resource.BinarySI),
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v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
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v1.ResourceEphemeralStorage: *resource.NewQuantity(3000, resource.BinarySI),
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},
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Addresses: []v1.NodeAddress{
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{Type: v1.NodeInternalIP, Address: "127.0.0.1"},
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{Type: v1.NodeHostName, Address: testKubeletHostname},
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},
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Images: expectedImageList,
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},
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}
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kubelet.updateRuntimeUp()
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assert.NoError(t, kubelet.updateNodeStatus())
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actions := kubeClient.Actions()
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require.Len(t, actions, 2)
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require.True(t, actions[1].Matches("patch", "nodes"))
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require.Equal(t, actions[1].GetSubresource(), "status")
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updatedNode, err := applyNodeStatusPatch(&existingNode, actions[1].(core.PatchActionImpl).GetPatch())
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assert.NoError(t, err)
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for i, cond := range updatedNode.Status.Conditions {
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assert.False(t, cond.LastHeartbeatTime.IsZero(), "LastHeartbeatTime for %v condition is zero", cond.Type)
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assert.False(t, cond.LastTransitionTime.IsZero(), "LastTransitionTime for %v condition is zero", cond.Type)
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updatedNode.Status.Conditions[i].LastHeartbeatTime = metav1.Time{}
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updatedNode.Status.Conditions[i].LastTransitionTime = metav1.Time{}
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}
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// Version skew workaround. See: https://github.com/kubernetes/kubernetes/issues/16961
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assert.Equal(t, v1.NodeReady, updatedNode.Status.Conditions[len(updatedNode.Status.Conditions)-1].Type,
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"NotReady should be last")
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assert.Len(t, updatedNode.Status.Images, len(expectedImageList))
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assert.True(t, apiequality.Semantic.DeepEqual(expectedNode, updatedNode), "%s", diff.ObjectDiff(expectedNode, updatedNode))
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})
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}
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}
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func TestUpdateExistingNodeStatus(t *testing.T) {
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testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
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defer testKubelet.Cleanup()
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kubelet := testKubelet.kubelet
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kubelet.nodeStatusMaxImages = 5 // don't truncate the image list that gets constructed by hand for this test
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kubelet.kubeClient = nil // ensure only the heartbeat client is used
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kubelet.containerManager = &localCM{
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ContainerManager: cm.NewStubContainerManager(),
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allocatableReservation: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(200, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(100E6, resource.BinarySI),
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},
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capacity: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
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v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
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},
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}
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// Since this test retroactively overrides the stub container manager,
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// we have to regenerate default status setters.
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kubelet.setNodeStatusFuncs = kubelet.defaultNodeStatusFuncs()
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kubeClient := testKubelet.fakeKubeClient
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existingNode := v1.Node{
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ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
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Spec: v1.NodeSpec{},
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Status: v1.NodeStatus{
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Conditions: []v1.NodeCondition{
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{
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Type: v1.NodeMemoryPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientMemory",
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Message: fmt.Sprintf("kubelet has sufficient memory available"),
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LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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},
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{
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Type: v1.NodeDiskPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientDisk",
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Message: fmt.Sprintf("kubelet has sufficient disk space available"),
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LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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},
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{
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Type: v1.NodePIDPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientPID",
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Message: fmt.Sprintf("kubelet has sufficient PID available"),
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LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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},
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{
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Type: v1.NodeReady,
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Status: v1.ConditionTrue,
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Reason: "KubeletReady",
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Message: fmt.Sprintf("kubelet is posting ready status"),
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LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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},
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},
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Capacity: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(3000, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
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v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
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},
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Allocatable: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(2800, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(19900E6, resource.BinarySI),
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v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
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},
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},
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}
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kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{existingNode}}).ReactionChain
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machineInfo := &cadvisorapi.MachineInfo{
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MachineID: "123",
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SystemUUID: "abc",
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BootID: "1b3",
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NumCores: 2,
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MemoryCapacity: 20E9,
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}
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kubelet.machineInfo = machineInfo
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|
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expectedNode := &v1.Node{
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ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
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Spec: v1.NodeSpec{},
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Status: v1.NodeStatus{
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Conditions: []v1.NodeCondition{
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{
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Type: v1.NodeMemoryPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientMemory",
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Message: fmt.Sprintf("kubelet has sufficient memory available"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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{
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Type: v1.NodeDiskPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientDisk",
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Message: fmt.Sprintf("kubelet has sufficient disk space available"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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{
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Type: v1.NodePIDPressure,
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Status: v1.ConditionFalse,
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Reason: "KubeletHasSufficientPID",
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Message: fmt.Sprintf("kubelet has sufficient PID available"),
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LastHeartbeatTime: metav1.Time{},
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LastTransitionTime: metav1.Time{},
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},
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{
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Type: v1.NodeReady,
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Status: v1.ConditionTrue,
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Reason: "KubeletReady",
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Message: fmt.Sprintf("kubelet is posting ready status"),
|
|
LastHeartbeatTime: metav1.Time{}, // placeholder
|
|
LastTransitionTime: metav1.Time{}, // placeholder
|
|
},
|
|
},
|
|
NodeInfo: v1.NodeSystemInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
KernelVersion: cadvisortest.FakeKernelVersion,
|
|
OSImage: cadvisortest.FakeContainerOsVersion,
|
|
OperatingSystem: goruntime.GOOS,
|
|
Architecture: goruntime.GOARCH,
|
|
ContainerRuntimeVersion: "test://1.5.0",
|
|
KubeletVersion: version.Get().String(),
|
|
KubeProxyVersion: version.Get().String(),
|
|
},
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(1800, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(19900E6, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
Addresses: []v1.NodeAddress{
|
|
{Type: v1.NodeInternalIP, Address: "127.0.0.1"},
|
|
{Type: v1.NodeHostName, Address: testKubeletHostname},
|
|
},
|
|
// images will be sorted from max to min in node status.
|
|
Images: []v1.ContainerImage{
|
|
{
|
|
Names: []string{"k8s.gcr.io:v1", "k8s.gcr.io:v2"},
|
|
SizeBytes: 123,
|
|
},
|
|
{
|
|
Names: []string{"k8s.gcr.io:v3", "k8s.gcr.io:v4"},
|
|
SizeBytes: 456,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
kubelet.updateRuntimeUp()
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
|
|
actions := kubeClient.Actions()
|
|
assert.Len(t, actions, 2)
|
|
|
|
assert.IsType(t, core.PatchActionImpl{}, actions[1])
|
|
patchAction := actions[1].(core.PatchActionImpl)
|
|
|
|
updatedNode, err := applyNodeStatusPatch(&existingNode, patchAction.GetPatch())
|
|
require.NoError(t, err)
|
|
|
|
for i, cond := range updatedNode.Status.Conditions {
|
|
old := metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC).Time
|
|
// Expect LastHearbeat to be updated to Now, while LastTransitionTime to be the same.
|
|
assert.NotEqual(t, old, cond.LastHeartbeatTime.Rfc3339Copy().UTC(), "LastHeartbeatTime for condition %v", cond.Type)
|
|
assert.EqualValues(t, old, cond.LastTransitionTime.Rfc3339Copy().UTC(), "LastTransitionTime for condition %v", cond.Type)
|
|
|
|
updatedNode.Status.Conditions[i].LastHeartbeatTime = metav1.Time{}
|
|
updatedNode.Status.Conditions[i].LastTransitionTime = metav1.Time{}
|
|
}
|
|
|
|
// Version skew workaround. See: https://github.com/kubernetes/kubernetes/issues/16961
|
|
assert.Equal(t, v1.NodeReady, updatedNode.Status.Conditions[len(updatedNode.Status.Conditions)-1].Type,
|
|
"NodeReady should be the last condition")
|
|
assert.True(t, apiequality.Semantic.DeepEqual(expectedNode, updatedNode), "%s", diff.ObjectDiff(expectedNode, updatedNode))
|
|
}
|
|
|
|
func TestUpdateExistingNodeStatusTimeout(t *testing.T) {
|
|
attempts := int64(0)
|
|
failureCallbacks := int64(0)
|
|
|
|
// set up a listener that hangs connections
|
|
ln, err := net.Listen("tcp", "127.0.0.1:0")
|
|
assert.NoError(t, err)
|
|
defer ln.Close()
|
|
go func() {
|
|
// accept connections and just let them hang
|
|
for {
|
|
_, err := ln.Accept()
|
|
if err != nil {
|
|
t.Log(err)
|
|
return
|
|
}
|
|
t.Log("accepted connection")
|
|
atomic.AddInt64(&attempts, 1)
|
|
}
|
|
}()
|
|
|
|
config := &rest.Config{
|
|
Host: "http://" + ln.Addr().String(),
|
|
QPS: -1,
|
|
Timeout: time.Second,
|
|
}
|
|
assert.NoError(t, err)
|
|
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
kubelet.heartbeatClient, err = clientset.NewForConfig(config)
|
|
kubelet.onRepeatedHeartbeatFailure = func() {
|
|
atomic.AddInt64(&failureCallbacks, 1)
|
|
}
|
|
kubelet.containerManager = &localCM{
|
|
ContainerManager: cm.NewStubContainerManager(),
|
|
allocatableReservation: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(200, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(100E6, resource.BinarySI),
|
|
},
|
|
capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
|
|
},
|
|
}
|
|
|
|
// should return an error, but not hang
|
|
assert.Error(t, kubelet.updateNodeStatus())
|
|
|
|
// should have attempted multiple times
|
|
if actualAttempts := atomic.LoadInt64(&attempts); actualAttempts < nodeStatusUpdateRetry {
|
|
t.Errorf("Expected at least %d attempts, got %d", nodeStatusUpdateRetry, actualAttempts)
|
|
}
|
|
// should have gotten multiple failure callbacks
|
|
if actualFailureCallbacks := atomic.LoadInt64(&failureCallbacks); actualFailureCallbacks < (nodeStatusUpdateRetry - 1) {
|
|
t.Errorf("Expected %d failure callbacks, got %d", (nodeStatusUpdateRetry - 1), actualFailureCallbacks)
|
|
}
|
|
}
|
|
|
|
func TestUpdateNodeStatusWithRuntimeStateError(t *testing.T) {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubelet.nodeStatusMaxImages = 5 // don't truncate the image list that gets constructed by hand for this test
|
|
kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
kubelet.containerManager = &localCM{
|
|
ContainerManager: cm.NewStubContainerManager(),
|
|
allocatableReservation: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(200, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(100E6, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
},
|
|
capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(20E9, resource.BinarySI),
|
|
},
|
|
}
|
|
// Since this test retroactively overrides the stub container manager,
|
|
// we have to regenerate default status setters.
|
|
kubelet.setNodeStatusFuncs = kubelet.defaultNodeStatusFuncs()
|
|
|
|
clock := testKubelet.fakeClock
|
|
kubeClient := testKubelet.fakeKubeClient
|
|
existingNode := v1.Node{ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname}}
|
|
kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{existingNode}}).ReactionChain
|
|
machineInfo := &cadvisorapi.MachineInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
NumCores: 2,
|
|
MemoryCapacity: 10E9,
|
|
}
|
|
kubelet.machineInfo = machineInfo
|
|
|
|
expectedNode := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
|
|
Spec: v1.NodeSpec{},
|
|
Status: v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{
|
|
{
|
|
Type: v1.NodeMemoryPressure,
|
|
Status: v1.ConditionFalse,
|
|
Reason: "KubeletHasSufficientMemory",
|
|
Message: fmt.Sprintf("kubelet has sufficient memory available"),
|
|
LastHeartbeatTime: metav1.Time{},
|
|
LastTransitionTime: metav1.Time{},
|
|
},
|
|
{
|
|
Type: v1.NodeDiskPressure,
|
|
Status: v1.ConditionFalse,
|
|
Reason: "KubeletHasNoDiskPressure",
|
|
Message: fmt.Sprintf("kubelet has no disk pressure"),
|
|
LastHeartbeatTime: metav1.Time{},
|
|
LastTransitionTime: metav1.Time{},
|
|
},
|
|
{
|
|
Type: v1.NodePIDPressure,
|
|
Status: v1.ConditionFalse,
|
|
Reason: "KubeletHasSufficientPID",
|
|
Message: fmt.Sprintf("kubelet has sufficient PID available"),
|
|
LastHeartbeatTime: metav1.Time{},
|
|
LastTransitionTime: metav1.Time{},
|
|
},
|
|
{}, //placeholder
|
|
},
|
|
NodeInfo: v1.NodeSystemInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
KernelVersion: cadvisortest.FakeKernelVersion,
|
|
OSImage: cadvisortest.FakeContainerOsVersion,
|
|
OperatingSystem: goruntime.GOOS,
|
|
Architecture: goruntime.GOARCH,
|
|
ContainerRuntimeVersion: "test://1.5.0",
|
|
KubeletVersion: version.Get().String(),
|
|
KubeProxyVersion: version.Get().String(),
|
|
},
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(20E9, resource.BinarySI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(1800, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(9900E6, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
},
|
|
Addresses: []v1.NodeAddress{
|
|
{Type: v1.NodeInternalIP, Address: "127.0.0.1"},
|
|
{Type: v1.NodeHostName, Address: testKubeletHostname},
|
|
},
|
|
Images: []v1.ContainerImage{
|
|
{
|
|
Names: []string{"k8s.gcr.io:v1", "k8s.gcr.io:v2"},
|
|
SizeBytes: 123,
|
|
},
|
|
{
|
|
Names: []string{"k8s.gcr.io:v3", "k8s.gcr.io:v4"},
|
|
SizeBytes: 456,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
checkNodeStatus := func(status v1.ConditionStatus, reason string) {
|
|
kubeClient.ClearActions()
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
actions := kubeClient.Actions()
|
|
require.Len(t, actions, 2)
|
|
require.True(t, actions[1].Matches("patch", "nodes"))
|
|
require.Equal(t, actions[1].GetSubresource(), "status")
|
|
|
|
updatedNode, err := kubeClient.CoreV1().Nodes().Get(testKubeletHostname, metav1.GetOptions{})
|
|
require.NoError(t, err, "can't apply node status patch")
|
|
|
|
for i, cond := range updatedNode.Status.Conditions {
|
|
assert.False(t, cond.LastHeartbeatTime.IsZero(), "LastHeartbeatTime for %v condition is zero", cond.Type)
|
|
assert.False(t, cond.LastTransitionTime.IsZero(), "LastTransitionTime for %v condition is zero", cond.Type)
|
|
updatedNode.Status.Conditions[i].LastHeartbeatTime = metav1.Time{}
|
|
updatedNode.Status.Conditions[i].LastTransitionTime = metav1.Time{}
|
|
}
|
|
|
|
// Version skew workaround. See: https://github.com/kubernetes/kubernetes/issues/16961
|
|
lastIndex := len(updatedNode.Status.Conditions) - 1
|
|
assert.Equal(t, v1.NodeReady, updatedNode.Status.Conditions[lastIndex].Type, "NodeReady should be the last condition")
|
|
assert.NotEmpty(t, updatedNode.Status.Conditions[lastIndex].Message)
|
|
|
|
updatedNode.Status.Conditions[lastIndex].Message = ""
|
|
expectedNode.Status.Conditions[lastIndex] = v1.NodeCondition{
|
|
Type: v1.NodeReady,
|
|
Status: status,
|
|
Reason: reason,
|
|
LastHeartbeatTime: metav1.Time{},
|
|
LastTransitionTime: metav1.Time{},
|
|
}
|
|
assert.True(t, apiequality.Semantic.DeepEqual(expectedNode, updatedNode), "%s", diff.ObjectDiff(expectedNode, updatedNode))
|
|
}
|
|
|
|
// TODO(random-liu): Refactor the unit test to be table driven test.
|
|
// Should report kubelet not ready if the runtime check is out of date
|
|
clock.SetTime(time.Now().Add(-maxWaitForContainerRuntime))
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
|
|
// Should report kubelet ready if the runtime check is updated
|
|
clock.SetTime(time.Now())
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionTrue, "KubeletReady")
|
|
|
|
// Should report kubelet not ready if the runtime check is out of date
|
|
clock.SetTime(time.Now().Add(-maxWaitForContainerRuntime))
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
|
|
// Should report kubelet not ready if the runtime check failed
|
|
fakeRuntime := testKubelet.fakeRuntime
|
|
// Inject error into fake runtime status check, node should be NotReady
|
|
fakeRuntime.StatusErr = fmt.Errorf("injected runtime status error")
|
|
clock.SetTime(time.Now())
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
|
|
fakeRuntime.StatusErr = nil
|
|
|
|
// Should report node not ready if runtime status is nil.
|
|
fakeRuntime.RuntimeStatus = nil
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
|
|
// Should report node not ready if runtime status is empty.
|
|
fakeRuntime.RuntimeStatus = &kubecontainer.RuntimeStatus{}
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
|
|
// Should report node not ready if RuntimeReady is false.
|
|
fakeRuntime.RuntimeStatus = &kubecontainer.RuntimeStatus{
|
|
Conditions: []kubecontainer.RuntimeCondition{
|
|
{Type: kubecontainer.RuntimeReady, Status: false},
|
|
{Type: kubecontainer.NetworkReady, Status: true},
|
|
},
|
|
}
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
|
|
// Should report node ready if RuntimeReady is true.
|
|
fakeRuntime.RuntimeStatus = &kubecontainer.RuntimeStatus{
|
|
Conditions: []kubecontainer.RuntimeCondition{
|
|
{Type: kubecontainer.RuntimeReady, Status: true},
|
|
{Type: kubecontainer.NetworkReady, Status: true},
|
|
},
|
|
}
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionTrue, "KubeletReady")
|
|
|
|
// Should report node not ready if NetworkReady is false.
|
|
fakeRuntime.RuntimeStatus = &kubecontainer.RuntimeStatus{
|
|
Conditions: []kubecontainer.RuntimeCondition{
|
|
{Type: kubecontainer.RuntimeReady, Status: true},
|
|
{Type: kubecontainer.NetworkReady, Status: false},
|
|
},
|
|
}
|
|
kubelet.updateRuntimeUp()
|
|
checkNodeStatus(v1.ConditionFalse, "KubeletNotReady")
|
|
}
|
|
|
|
func TestUpdateNodeStatusError(t *testing.T) {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
// No matching node for the kubelet
|
|
testKubelet.fakeKubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{}}).ReactionChain
|
|
assert.Error(t, kubelet.updateNodeStatus())
|
|
assert.Len(t, testKubelet.fakeKubeClient.Actions(), nodeStatusUpdateRetry)
|
|
}
|
|
|
|
func TestUpdateNodeStatusWithLease(t *testing.T) {
|
|
defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.NodeLease, true)()
|
|
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
defer testKubelet.Cleanup()
|
|
clock := testKubelet.fakeClock
|
|
kubelet := testKubelet.kubelet
|
|
kubelet.nodeStatusMaxImages = 5 // don't truncate the image list that gets constructed by hand for this test
|
|
kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
kubelet.containerManager = &localCM{
|
|
ContainerManager: cm.NewStubContainerManager(),
|
|
allocatableReservation: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(200, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(100E6, resource.BinarySI),
|
|
},
|
|
capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
}
|
|
// Since this test retroactively overrides the stub container manager,
|
|
// we have to regenerate default status setters.
|
|
kubelet.setNodeStatusFuncs = kubelet.defaultNodeStatusFuncs()
|
|
kubelet.nodeStatusReportFrequency = time.Minute
|
|
|
|
kubeClient := testKubelet.fakeKubeClient
|
|
existingNode := &v1.Node{ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname}}
|
|
kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{*existingNode}}).ReactionChain
|
|
machineInfo := &cadvisorapi.MachineInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
NumCores: 2,
|
|
MemoryCapacity: 20E9,
|
|
}
|
|
kubelet.machineInfo = machineInfo
|
|
|
|
now := metav1.NewTime(clock.Now()).Rfc3339Copy()
|
|
expectedNode := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
|
|
Spec: v1.NodeSpec{},
|
|
Status: v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{
|
|
{
|
|
Type: v1.NodeMemoryPressure,
|
|
Status: v1.ConditionFalse,
|
|
Reason: "KubeletHasSufficientMemory",
|
|
Message: fmt.Sprintf("kubelet has sufficient memory available"),
|
|
LastHeartbeatTime: now,
|
|
LastTransitionTime: now,
|
|
},
|
|
{
|
|
Type: v1.NodeDiskPressure,
|
|
Status: v1.ConditionFalse,
|
|
Reason: "KubeletHasNoDiskPressure",
|
|
Message: fmt.Sprintf("kubelet has no disk pressure"),
|
|
LastHeartbeatTime: now,
|
|
LastTransitionTime: now,
|
|
},
|
|
{
|
|
Type: v1.NodePIDPressure,
|
|
Status: v1.ConditionFalse,
|
|
Reason: "KubeletHasSufficientPID",
|
|
Message: fmt.Sprintf("kubelet has sufficient PID available"),
|
|
LastHeartbeatTime: now,
|
|
LastTransitionTime: now,
|
|
},
|
|
{
|
|
Type: v1.NodeReady,
|
|
Status: v1.ConditionTrue,
|
|
Reason: "KubeletReady",
|
|
Message: fmt.Sprintf("kubelet is posting ready status"),
|
|
LastHeartbeatTime: now,
|
|
LastTransitionTime: now,
|
|
},
|
|
},
|
|
NodeInfo: v1.NodeSystemInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
KernelVersion: cadvisortest.FakeKernelVersion,
|
|
OSImage: cadvisortest.FakeContainerOsVersion,
|
|
OperatingSystem: goruntime.GOOS,
|
|
Architecture: goruntime.GOARCH,
|
|
ContainerRuntimeVersion: "test://1.5.0",
|
|
KubeletVersion: version.Get().String(),
|
|
KubeProxyVersion: version.Get().String(),
|
|
},
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(1800, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(19900E6, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
Addresses: []v1.NodeAddress{
|
|
{Type: v1.NodeInternalIP, Address: "127.0.0.1"},
|
|
{Type: v1.NodeHostName, Address: testKubeletHostname},
|
|
},
|
|
// images will be sorted from max to min in node status.
|
|
Images: []v1.ContainerImage{
|
|
{
|
|
Names: []string{"k8s.gcr.io:v1", "k8s.gcr.io:v2"},
|
|
SizeBytes: 123,
|
|
},
|
|
{
|
|
Names: []string{"k8s.gcr.io:v3", "k8s.gcr.io:v4"},
|
|
SizeBytes: 456,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
// Update node status when node status is created.
|
|
// Report node status.
|
|
kubelet.updateRuntimeUp()
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
|
|
actions := kubeClient.Actions()
|
|
assert.Len(t, actions, 2)
|
|
assert.IsType(t, core.GetActionImpl{}, actions[0])
|
|
assert.IsType(t, core.PatchActionImpl{}, actions[1])
|
|
patchAction := actions[1].(core.PatchActionImpl)
|
|
|
|
updatedNode, err := applyNodeStatusPatch(existingNode, patchAction.GetPatch())
|
|
require.NoError(t, err)
|
|
for _, cond := range updatedNode.Status.Conditions {
|
|
cond.LastHeartbeatTime = cond.LastHeartbeatTime.Rfc3339Copy()
|
|
cond.LastTransitionTime = cond.LastTransitionTime.Rfc3339Copy()
|
|
}
|
|
assert.True(t, apiequality.Semantic.DeepEqual(expectedNode, updatedNode), "%s", diff.ObjectDiff(expectedNode, updatedNode))
|
|
|
|
// Version skew workaround. See: https://github.com/kubernetes/kubernetes/issues/16961
|
|
assert.Equal(t, v1.NodeReady, updatedNode.Status.Conditions[len(updatedNode.Status.Conditions)-1].Type,
|
|
"NodeReady should be the last condition")
|
|
|
|
// Update node status again when nothing is changed (except heatbeat time).
|
|
// Report node status if it has exceeded the duration of nodeStatusReportFrequency.
|
|
clock.Step(time.Minute)
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
|
|
// 2 more action (There were 2 actions before).
|
|
actions = kubeClient.Actions()
|
|
assert.Len(t, actions, 4)
|
|
assert.IsType(t, core.GetActionImpl{}, actions[2])
|
|
assert.IsType(t, core.PatchActionImpl{}, actions[3])
|
|
patchAction = actions[3].(core.PatchActionImpl)
|
|
|
|
updatedNode, err = applyNodeStatusPatch(updatedNode, patchAction.GetPatch())
|
|
require.NoError(t, err)
|
|
for _, cond := range updatedNode.Status.Conditions {
|
|
cond.LastHeartbeatTime = cond.LastHeartbeatTime.Rfc3339Copy()
|
|
cond.LastTransitionTime = cond.LastTransitionTime.Rfc3339Copy()
|
|
}
|
|
|
|
// Expect LastHearbeat updated, other things unchanged.
|
|
for i, cond := range expectedNode.Status.Conditions {
|
|
expectedNode.Status.Conditions[i].LastHeartbeatTime = metav1.NewTime(cond.LastHeartbeatTime.Time.Add(time.Minute)).Rfc3339Copy()
|
|
}
|
|
assert.True(t, apiequality.Semantic.DeepEqual(expectedNode, updatedNode), "%s", diff.ObjectDiff(expectedNode, updatedNode))
|
|
|
|
// Update node status again when nothing is changed (except heatbeat time).
|
|
// Do not report node status if it is within the duration of nodeStatusReportFrequency.
|
|
clock.Step(10 * time.Second)
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
|
|
// Only 1 more action (There were 4 actions before).
|
|
actions = kubeClient.Actions()
|
|
assert.Len(t, actions, 5)
|
|
assert.IsType(t, core.GetActionImpl{}, actions[4])
|
|
|
|
// Update node status again when something is changed.
|
|
// Report node status even if it is still within the duration of nodeStatusReportFrequency.
|
|
clock.Step(10 * time.Second)
|
|
var newMemoryCapacity int64 = 40E9
|
|
kubelet.machineInfo.MemoryCapacity = uint64(newMemoryCapacity)
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
|
|
// 2 more action (There were 5 actions before).
|
|
actions = kubeClient.Actions()
|
|
assert.Len(t, actions, 7)
|
|
assert.IsType(t, core.GetActionImpl{}, actions[5])
|
|
assert.IsType(t, core.PatchActionImpl{}, actions[6])
|
|
patchAction = actions[6].(core.PatchActionImpl)
|
|
|
|
updatedNode, err = applyNodeStatusPatch(updatedNode, patchAction.GetPatch())
|
|
require.NoError(t, err)
|
|
memCapacity, _ := updatedNode.Status.Capacity[v1.ResourceMemory]
|
|
updatedMemoryCapacity, _ := (&memCapacity).AsInt64()
|
|
assert.Equal(t, newMemoryCapacity, updatedMemoryCapacity, "Memory capacity")
|
|
|
|
now = metav1.NewTime(clock.Now()).Rfc3339Copy()
|
|
for _, cond := range updatedNode.Status.Conditions {
|
|
// Expect LastHearbeat updated, while LastTransitionTime unchanged.
|
|
assert.Equal(t, now, cond.LastHeartbeatTime.Rfc3339Copy(),
|
|
"LastHeartbeatTime for condition %v", cond.Type)
|
|
assert.Equal(t, now, metav1.NewTime(cond.LastTransitionTime.Time.Add(time.Minute+20*time.Second)).Rfc3339Copy(),
|
|
"LastTransitionTime for condition %v", cond.Type)
|
|
}
|
|
|
|
// Update node status when changing pod CIDR.
|
|
// Report node status if it is still within the duration of nodeStatusReportFrequency.
|
|
clock.Step(10 * time.Second)
|
|
assert.Equal(t, "", kubelet.runtimeState.podCIDR(), "Pod CIDR should be empty")
|
|
podCIDR := "10.0.0.0/24"
|
|
updatedNode.Spec.PodCIDR = podCIDR
|
|
kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{*updatedNode}}).ReactionChain
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
assert.Equal(t, podCIDR, kubelet.runtimeState.podCIDR(), "Pod CIDR should be updated now")
|
|
// 2 more action (There were 7 actions before).
|
|
actions = kubeClient.Actions()
|
|
assert.Len(t, actions, 9)
|
|
assert.IsType(t, core.GetActionImpl{}, actions[7])
|
|
assert.IsType(t, core.PatchActionImpl{}, actions[8])
|
|
patchAction = actions[8].(core.PatchActionImpl)
|
|
|
|
// Update node status when keeping the pod CIDR.
|
|
// Do not report node status if it is within the duration of nodeStatusReportFrequency.
|
|
clock.Step(10 * time.Second)
|
|
assert.Equal(t, podCIDR, kubelet.runtimeState.podCIDR(), "Pod CIDR should already be updated")
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
// Only 1 more action (There were 9 actions before).
|
|
actions = kubeClient.Actions()
|
|
assert.Len(t, actions, 10)
|
|
assert.IsType(t, core.GetActionImpl{}, actions[9])
|
|
}
|
|
|
|
func TestRegisterWithApiServer(t *testing.T) {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubeClient := testKubelet.fakeKubeClient
|
|
kubeClient.AddReactor("create", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
// Return an error on create.
|
|
return true, &v1.Node{}, &apierrors.StatusError{
|
|
ErrStatus: metav1.Status{Reason: metav1.StatusReasonAlreadyExists},
|
|
}
|
|
})
|
|
kubeClient.AddReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
// Return an existing (matching) node on get.
|
|
return true, &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: testKubeletHostname,
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: testKubeletHostname,
|
|
kubeletapis.LabelOS: goruntime.GOOS,
|
|
kubeletapis.LabelArch: goruntime.GOARCH,
|
|
},
|
|
},
|
|
}, nil
|
|
})
|
|
|
|
addNotImplatedReaction(kubeClient)
|
|
|
|
machineInfo := &cadvisorapi.MachineInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
NumCores: 2,
|
|
MemoryCapacity: 1024,
|
|
}
|
|
kubelet.machineInfo = machineInfo
|
|
|
|
done := make(chan struct{})
|
|
go func() {
|
|
kubelet.registerWithAPIServer()
|
|
done <- struct{}{}
|
|
}()
|
|
select {
|
|
case <-time.After(wait.ForeverTestTimeout):
|
|
assert.Fail(t, "timed out waiting for registration")
|
|
case <-done:
|
|
return
|
|
}
|
|
}
|
|
|
|
func TestTryRegisterWithApiServer(t *testing.T) {
|
|
alreadyExists := &apierrors.StatusError{
|
|
ErrStatus: metav1.Status{Reason: metav1.StatusReasonAlreadyExists},
|
|
}
|
|
|
|
conflict := &apierrors.StatusError{
|
|
ErrStatus: metav1.Status{Reason: metav1.StatusReasonConflict},
|
|
}
|
|
|
|
newNode := func(cmad bool) *v1.Node {
|
|
node := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: testKubeletHostname,
|
|
kubeletapis.LabelOS: goruntime.GOOS,
|
|
kubeletapis.LabelArch: goruntime.GOARCH,
|
|
},
|
|
},
|
|
}
|
|
|
|
if cmad {
|
|
node.Annotations = make(map[string]string)
|
|
node.Annotations[util.ControllerManagedAttachAnnotation] = "true"
|
|
}
|
|
|
|
return node
|
|
}
|
|
|
|
cases := []struct {
|
|
name string
|
|
newNode *v1.Node
|
|
existingNode *v1.Node
|
|
createError error
|
|
getError error
|
|
patchError error
|
|
deleteError error
|
|
expectedResult bool
|
|
expectedActions int
|
|
testSavedNode bool
|
|
savedNodeIndex int
|
|
savedNodeCMAD bool
|
|
}{
|
|
{
|
|
name: "success case - new node",
|
|
newNode: &v1.Node{},
|
|
expectedResult: true,
|
|
expectedActions: 1,
|
|
},
|
|
{
|
|
name: "success case - existing node - no change in CMAD",
|
|
newNode: newNode(true),
|
|
createError: alreadyExists,
|
|
existingNode: newNode(true),
|
|
expectedResult: true,
|
|
expectedActions: 2,
|
|
},
|
|
{
|
|
name: "success case - existing node - CMAD disabled",
|
|
newNode: newNode(false),
|
|
createError: alreadyExists,
|
|
existingNode: newNode(true),
|
|
expectedResult: true,
|
|
expectedActions: 3,
|
|
testSavedNode: true,
|
|
savedNodeIndex: 2,
|
|
savedNodeCMAD: false,
|
|
},
|
|
{
|
|
name: "success case - existing node - CMAD enabled",
|
|
newNode: newNode(true),
|
|
createError: alreadyExists,
|
|
existingNode: newNode(false),
|
|
expectedResult: true,
|
|
expectedActions: 3,
|
|
testSavedNode: true,
|
|
savedNodeIndex: 2,
|
|
savedNodeCMAD: true,
|
|
},
|
|
{
|
|
name: "create failed",
|
|
newNode: newNode(false),
|
|
createError: conflict,
|
|
expectedResult: false,
|
|
expectedActions: 1,
|
|
},
|
|
{
|
|
name: "get existing node failed",
|
|
newNode: newNode(false),
|
|
createError: alreadyExists,
|
|
getError: conflict,
|
|
expectedResult: false,
|
|
expectedActions: 2,
|
|
},
|
|
{
|
|
name: "update existing node failed",
|
|
newNode: newNode(false),
|
|
createError: alreadyExists,
|
|
existingNode: newNode(true),
|
|
patchError: conflict,
|
|
expectedResult: false,
|
|
expectedActions: 3,
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled is a don't-care for this test */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubeClient := testKubelet.fakeKubeClient
|
|
|
|
kubeClient.AddReactor("create", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
return true, nil, tc.createError
|
|
})
|
|
kubeClient.AddReactor("get", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
// Return an existing (matching) node on get.
|
|
return true, tc.existingNode, tc.getError
|
|
})
|
|
kubeClient.AddReactor("patch", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
if action.GetSubresource() == "status" {
|
|
return true, nil, tc.patchError
|
|
}
|
|
return notImplemented(action)
|
|
})
|
|
kubeClient.AddReactor("delete", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
return true, nil, tc.deleteError
|
|
})
|
|
addNotImplatedReaction(kubeClient)
|
|
|
|
result := kubelet.tryRegisterWithAPIServer(tc.newNode)
|
|
require.Equal(t, tc.expectedResult, result, "test [%s]", tc.name)
|
|
|
|
actions := kubeClient.Actions()
|
|
assert.Len(t, actions, tc.expectedActions, "test [%s]", tc.name)
|
|
|
|
if tc.testSavedNode {
|
|
var savedNode *v1.Node
|
|
|
|
t.Logf("actions: %v: %+v", len(actions), actions)
|
|
action := actions[tc.savedNodeIndex]
|
|
if action.GetVerb() == "create" {
|
|
createAction := action.(core.CreateAction)
|
|
obj := createAction.GetObject()
|
|
require.IsType(t, &v1.Node{}, obj)
|
|
savedNode = obj.(*v1.Node)
|
|
} else if action.GetVerb() == "patch" {
|
|
patchAction := action.(core.PatchActionImpl)
|
|
var err error
|
|
savedNode, err = applyNodeStatusPatch(tc.existingNode, patchAction.GetPatch())
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
actualCMAD, _ := strconv.ParseBool(savedNode.Annotations[util.ControllerManagedAttachAnnotation])
|
|
assert.Equal(t, tc.savedNodeCMAD, actualCMAD, "test [%s]", tc.name)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestUpdateNewNodeStatusTooLargeReservation(t *testing.T) {
|
|
const nodeStatusMaxImages = 5
|
|
|
|
// generate one more in inputImageList than we configure the Kubelet to report
|
|
inputImageList, _ := generateTestingImageLists(nodeStatusMaxImages+1, nodeStatusMaxImages)
|
|
testKubelet := newTestKubeletWithImageList(
|
|
t, inputImageList, false /* controllerAttachDetachEnabled */, true /* initFakeVolumePlugin */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubelet.nodeStatusMaxImages = nodeStatusMaxImages
|
|
kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
kubelet.containerManager = &localCM{
|
|
ContainerManager: cm.NewStubContainerManager(),
|
|
allocatableReservation: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(40000, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(1000, resource.BinarySI),
|
|
},
|
|
capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(3000, resource.BinarySI),
|
|
},
|
|
}
|
|
// Since this test retroactively overrides the stub container manager,
|
|
// we have to regenerate default status setters.
|
|
kubelet.setNodeStatusFuncs = kubelet.defaultNodeStatusFuncs()
|
|
|
|
kubeClient := testKubelet.fakeKubeClient
|
|
existingNode := v1.Node{ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname}}
|
|
kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{existingNode}}).ReactionChain
|
|
machineInfo := &cadvisorapi.MachineInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
NumCores: 2,
|
|
MemoryCapacity: 10E9, // 10G
|
|
}
|
|
kubelet.machineInfo = machineInfo
|
|
|
|
expectedNode := &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
|
|
Spec: v1.NodeSpec{},
|
|
Status: v1.NodeStatus{
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(3000, resource.BinarySI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(0, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(2000, resource.BinarySI),
|
|
},
|
|
},
|
|
}
|
|
|
|
kubelet.updateRuntimeUp()
|
|
assert.NoError(t, kubelet.updateNodeStatus())
|
|
actions := kubeClient.Actions()
|
|
require.Len(t, actions, 2)
|
|
require.True(t, actions[1].Matches("patch", "nodes"))
|
|
require.Equal(t, actions[1].GetSubresource(), "status")
|
|
|
|
updatedNode, err := applyNodeStatusPatch(&existingNode, actions[1].(core.PatchActionImpl).GetPatch())
|
|
assert.NoError(t, err)
|
|
assert.True(t, apiequality.Semantic.DeepEqual(expectedNode.Status.Allocatable, updatedNode.Status.Allocatable), "%s", diff.ObjectDiff(expectedNode.Status.Allocatable, updatedNode.Status.Allocatable))
|
|
}
|
|
|
|
func TestUpdateDefaultLabels(t *testing.T) {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
testKubelet.kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
|
|
cases := []struct {
|
|
name string
|
|
initialNode *v1.Node
|
|
existingNode *v1.Node
|
|
needsUpdate bool
|
|
finalLabels map[string]string
|
|
}{
|
|
{
|
|
name: "make sure default labels exist",
|
|
initialNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
},
|
|
existingNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{},
|
|
},
|
|
},
|
|
needsUpdate: true,
|
|
finalLabels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
{
|
|
name: "make sure default labels are up to date",
|
|
initialNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
},
|
|
existingNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "old-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "old-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "old-zone-region",
|
|
kubeletapis.LabelInstanceType: "old-instance-type",
|
|
kubeletapis.LabelOS: "old-os",
|
|
kubeletapis.LabelArch: "old-arch",
|
|
},
|
|
},
|
|
},
|
|
needsUpdate: true,
|
|
finalLabels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
{
|
|
name: "make sure existing labels do not get deleted",
|
|
initialNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
},
|
|
existingNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
"please-persist": "foo",
|
|
},
|
|
},
|
|
},
|
|
needsUpdate: false,
|
|
finalLabels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
"please-persist": "foo",
|
|
},
|
|
},
|
|
{
|
|
name: "make sure existing labels do not get deleted when initial node has no opinion",
|
|
initialNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{},
|
|
},
|
|
},
|
|
existingNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
"please-persist": "foo",
|
|
},
|
|
},
|
|
},
|
|
needsUpdate: false,
|
|
finalLabels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
"please-persist": "foo",
|
|
},
|
|
},
|
|
{
|
|
name: "no update needed",
|
|
initialNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
},
|
|
existingNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
},
|
|
needsUpdate: false,
|
|
finalLabels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
{
|
|
name: "not panic when existing node has nil labels",
|
|
initialNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
},
|
|
existingNode: &v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{},
|
|
},
|
|
needsUpdate: true,
|
|
finalLabels: map[string]string{
|
|
kubeletapis.LabelHostname: "new-hostname",
|
|
kubeletapis.LabelZoneFailureDomain: "new-zone-failure-domain",
|
|
kubeletapis.LabelZoneRegion: "new-zone-region",
|
|
kubeletapis.LabelInstanceType: "new-instance-type",
|
|
kubeletapis.LabelOS: "new-os",
|
|
kubeletapis.LabelArch: "new-arch",
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
|
|
needsUpdate := kubelet.updateDefaultLabels(tc.initialNode, tc.existingNode)
|
|
assert.Equal(t, tc.needsUpdate, needsUpdate, tc.name)
|
|
assert.Equal(t, tc.finalLabels, tc.existingNode.Labels, tc.name)
|
|
}
|
|
}
|
|
|
|
func TestReconcileExtendedResource(t *testing.T) {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
testKubelet.kubelet.kubeClient = nil // ensure only the heartbeat client is used
|
|
extendedResourceName1 := v1.ResourceName("test.com/resource1")
|
|
extendedResourceName2 := v1.ResourceName("test.com/resource2")
|
|
|
|
cases := []struct {
|
|
name string
|
|
existingNode *v1.Node
|
|
expectedNode *v1.Node
|
|
needsUpdate bool
|
|
}{
|
|
{
|
|
name: "no update needed without extended resource",
|
|
existingNode: &v1.Node{
|
|
Status: v1.NodeStatus{
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
},
|
|
},
|
|
expectedNode: &v1.Node{
|
|
Status: v1.NodeStatus{
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
},
|
|
},
|
|
},
|
|
needsUpdate: false,
|
|
},
|
|
{
|
|
name: "extended resource capacity is zeroed",
|
|
existingNode: &v1.Node{
|
|
Status: v1.NodeStatus{
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
extendedResourceName1: *resource.NewQuantity(int64(2), resource.DecimalSI),
|
|
extendedResourceName2: *resource.NewQuantity(int64(10), resource.DecimalSI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
extendedResourceName1: *resource.NewQuantity(int64(2), resource.DecimalSI),
|
|
extendedResourceName2: *resource.NewQuantity(int64(10), resource.DecimalSI),
|
|
},
|
|
},
|
|
},
|
|
expectedNode: &v1.Node{
|
|
Status: v1.NodeStatus{
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
extendedResourceName1: *resource.NewQuantity(int64(0), resource.DecimalSI),
|
|
extendedResourceName2: *resource.NewQuantity(int64(0), resource.DecimalSI),
|
|
},
|
|
Allocatable: v1.ResourceList{
|
|
v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
|
|
v1.ResourceMemory: *resource.NewQuantity(10E9, resource.BinarySI),
|
|
v1.ResourceEphemeralStorage: *resource.NewQuantity(5000, resource.BinarySI),
|
|
extendedResourceName1: *resource.NewQuantity(int64(0), resource.DecimalSI),
|
|
extendedResourceName2: *resource.NewQuantity(int64(0), resource.DecimalSI),
|
|
},
|
|
},
|
|
},
|
|
needsUpdate: true,
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
initialNode := &v1.Node{}
|
|
|
|
needsUpdate := kubelet.reconcileExtendedResource(initialNode, tc.existingNode)
|
|
assert.Equal(t, tc.needsUpdate, needsUpdate, tc.name)
|
|
assert.Equal(t, tc.expectedNode, tc.existingNode, tc.name)
|
|
}
|
|
|
|
}
|
|
|
|
func TestValidateNodeIPParam(t *testing.T) {
|
|
type test struct {
|
|
nodeIP string
|
|
success bool
|
|
testName string
|
|
}
|
|
tests := []test{
|
|
{
|
|
nodeIP: "",
|
|
success: false,
|
|
testName: "IP not set",
|
|
},
|
|
{
|
|
nodeIP: "127.0.0.1",
|
|
success: false,
|
|
testName: "IPv4 loopback address",
|
|
},
|
|
{
|
|
nodeIP: "::1",
|
|
success: false,
|
|
testName: "IPv6 loopback address",
|
|
},
|
|
{
|
|
nodeIP: "224.0.0.1",
|
|
success: false,
|
|
testName: "multicast IPv4 address",
|
|
},
|
|
{
|
|
nodeIP: "ff00::1",
|
|
success: false,
|
|
testName: "multicast IPv6 address",
|
|
},
|
|
{
|
|
nodeIP: "169.254.0.1",
|
|
success: false,
|
|
testName: "IPv4 link-local unicast address",
|
|
},
|
|
{
|
|
nodeIP: "fe80::0202:b3ff:fe1e:8329",
|
|
success: false,
|
|
testName: "IPv6 link-local unicast address",
|
|
},
|
|
{
|
|
nodeIP: "0.0.0.0",
|
|
success: false,
|
|
testName: "Unspecified IPv4 address",
|
|
},
|
|
{
|
|
nodeIP: "::",
|
|
success: false,
|
|
testName: "Unspecified IPv6 address",
|
|
},
|
|
{
|
|
nodeIP: "1.2.3.4",
|
|
success: false,
|
|
testName: "IPv4 address that doesn't belong to host",
|
|
},
|
|
}
|
|
addrs, err := net.InterfaceAddrs()
|
|
if err != nil {
|
|
assert.Error(t, err, fmt.Sprintf(
|
|
"Unable to obtain a list of the node's unicast interface addresses."))
|
|
}
|
|
for _, addr := range addrs {
|
|
var ip net.IP
|
|
switch v := addr.(type) {
|
|
case *net.IPNet:
|
|
ip = v.IP
|
|
case *net.IPAddr:
|
|
ip = v.IP
|
|
}
|
|
if ip.IsLoopback() || ip.IsLinkLocalUnicast() {
|
|
break
|
|
}
|
|
successTest := test{
|
|
nodeIP: ip.String(),
|
|
success: true,
|
|
testName: fmt.Sprintf("Success test case for address %s", ip.String()),
|
|
}
|
|
tests = append(tests, successTest)
|
|
}
|
|
for _, test := range tests {
|
|
err := validateNodeIP(net.ParseIP(test.nodeIP))
|
|
if test.success {
|
|
assert.NoError(t, err, "test %s", test.testName)
|
|
} else {
|
|
assert.Error(t, err, fmt.Sprintf("test %s", test.testName))
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRegisterWithApiServerWithTaint(t *testing.T) {
|
|
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
|
|
defer testKubelet.Cleanup()
|
|
kubelet := testKubelet.kubelet
|
|
kubeClient := testKubelet.fakeKubeClient
|
|
|
|
machineInfo := &cadvisorapi.MachineInfo{
|
|
MachineID: "123",
|
|
SystemUUID: "abc",
|
|
BootID: "1b3",
|
|
NumCores: 2,
|
|
MemoryCapacity: 1024,
|
|
}
|
|
kubelet.machineInfo = machineInfo
|
|
|
|
var gotNode runtime.Object
|
|
kubeClient.AddReactor("create", "nodes", func(action core.Action) (bool, runtime.Object, error) {
|
|
createAction := action.(core.CreateAction)
|
|
gotNode = createAction.GetObject()
|
|
return true, gotNode, nil
|
|
})
|
|
|
|
addNotImplatedReaction(kubeClient)
|
|
|
|
// Make node to be unschedulable.
|
|
kubelet.registerSchedulable = false
|
|
|
|
forEachFeatureGate(t, []utilfeature.Feature{features.TaintNodesByCondition}, func(t *testing.T) {
|
|
// Reset kubelet status for each test.
|
|
kubelet.registrationCompleted = false
|
|
|
|
// Register node to apiserver.
|
|
kubelet.registerWithAPIServer()
|
|
|
|
// Check the unschedulable taint.
|
|
got := gotNode.(*v1.Node)
|
|
unschedulableTaint := &v1.Taint{
|
|
Key: schedulerapi.TaintNodeUnschedulable,
|
|
Effect: v1.TaintEffectNoSchedule,
|
|
}
|
|
|
|
require.Equal(t,
|
|
utilfeature.DefaultFeatureGate.Enabled(features.TaintNodesByCondition),
|
|
taintutil.TaintExists(got.Spec.Taints, unschedulableTaint),
|
|
"test unschedulable taint for TaintNodesByCondition")
|
|
|
|
return
|
|
})
|
|
}
|
|
|
|
func TestNodeStatusHasChanged(t *testing.T) {
|
|
fakeNow := metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC)
|
|
fakeFuture := metav1.Time{Time: fakeNow.Time.Add(time.Minute)}
|
|
readyCondition := v1.NodeCondition{
|
|
Type: v1.NodeReady,
|
|
Status: v1.ConditionTrue,
|
|
LastHeartbeatTime: fakeNow,
|
|
LastTransitionTime: fakeNow,
|
|
}
|
|
readyConditionAtDiffHearbeatTime := v1.NodeCondition{
|
|
Type: v1.NodeReady,
|
|
Status: v1.ConditionTrue,
|
|
LastHeartbeatTime: fakeFuture,
|
|
LastTransitionTime: fakeNow,
|
|
}
|
|
readyConditionAtDiffTransitionTime := v1.NodeCondition{
|
|
Type: v1.NodeReady,
|
|
Status: v1.ConditionTrue,
|
|
LastHeartbeatTime: fakeFuture,
|
|
LastTransitionTime: fakeFuture,
|
|
}
|
|
notReadyCondition := v1.NodeCondition{
|
|
Type: v1.NodeReady,
|
|
Status: v1.ConditionFalse,
|
|
LastHeartbeatTime: fakeNow,
|
|
LastTransitionTime: fakeNow,
|
|
}
|
|
memoryPressureCondition := v1.NodeCondition{
|
|
Type: v1.NodeMemoryPressure,
|
|
Status: v1.ConditionFalse,
|
|
LastHeartbeatTime: fakeNow,
|
|
LastTransitionTime: fakeNow,
|
|
}
|
|
testcases := []struct {
|
|
name string
|
|
originalStatus *v1.NodeStatus
|
|
status *v1.NodeStatus
|
|
expectChange bool
|
|
}{
|
|
{
|
|
name: "Node status does not change with nil status.",
|
|
originalStatus: nil,
|
|
status: nil,
|
|
expectChange: false,
|
|
},
|
|
{
|
|
name: "Node status does not change with default status.",
|
|
originalStatus: &v1.NodeStatus{},
|
|
status: &v1.NodeStatus{},
|
|
expectChange: false,
|
|
},
|
|
{
|
|
name: "Node status changes with nil and default status.",
|
|
originalStatus: nil,
|
|
status: &v1.NodeStatus{},
|
|
expectChange: true,
|
|
},
|
|
{
|
|
name: "Node status changes with nil and status.",
|
|
originalStatus: nil,
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
expectChange: true,
|
|
},
|
|
{
|
|
name: "Node status does not change with empty conditions.",
|
|
originalStatus: &v1.NodeStatus{Conditions: []v1.NodeCondition{}},
|
|
status: &v1.NodeStatus{Conditions: []v1.NodeCondition{}},
|
|
expectChange: false,
|
|
},
|
|
{
|
|
name: "Node status does not change",
|
|
originalStatus: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
expectChange: false,
|
|
},
|
|
{
|
|
name: "Node status does not change even if heartbeat time changes.",
|
|
originalStatus: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyConditionAtDiffHearbeatTime, memoryPressureCondition},
|
|
},
|
|
expectChange: false,
|
|
},
|
|
{
|
|
name: "Node status does not change even if the orders of conditions are different.",
|
|
originalStatus: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{memoryPressureCondition, readyConditionAtDiffHearbeatTime},
|
|
},
|
|
expectChange: false,
|
|
},
|
|
{
|
|
name: "Node status changes if condition status differs.",
|
|
originalStatus: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{notReadyCondition, memoryPressureCondition},
|
|
},
|
|
expectChange: true,
|
|
},
|
|
{
|
|
name: "Node status changes if transition time changes.",
|
|
originalStatus: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyConditionAtDiffTransitionTime, memoryPressureCondition},
|
|
},
|
|
expectChange: true,
|
|
},
|
|
{
|
|
name: "Node status changes with different number of conditions.",
|
|
originalStatus: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{readyCondition, memoryPressureCondition},
|
|
},
|
|
expectChange: true,
|
|
},
|
|
{
|
|
name: "Node status changes with different phase.",
|
|
originalStatus: &v1.NodeStatus{
|
|
Phase: v1.NodePending,
|
|
Conditions: []v1.NodeCondition{readyCondition},
|
|
},
|
|
status: &v1.NodeStatus{
|
|
Phase: v1.NodeRunning,
|
|
Conditions: []v1.NodeCondition{readyCondition},
|
|
},
|
|
expectChange: true,
|
|
},
|
|
}
|
|
for _, tc := range testcases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
originalStatusCopy := tc.originalStatus.DeepCopy()
|
|
statusCopy := tc.status.DeepCopy()
|
|
changed := nodeStatusHasChanged(tc.originalStatus, tc.status)
|
|
assert.Equal(t, tc.expectChange, changed, "Expect node status change to be %t, but got %t.", tc.expectChange, changed)
|
|
assert.True(t, apiequality.Semantic.DeepEqual(originalStatusCopy, tc.originalStatus), "%s", diff.ObjectDiff(originalStatusCopy, tc.originalStatus))
|
|
assert.True(t, apiequality.Semantic.DeepEqual(statusCopy, tc.status), "%s", diff.ObjectDiff(statusCopy, tc.status))
|
|
})
|
|
}
|
|
}
|