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Merge pull request #52856 from yastij/nodecontroller-clean-backwards-tests
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. cleaning tests from deprecated usecases due to unsupported version **What this PR does / why we need it**: this part of the #52356 effort **Which issue this PR fixes**: **Special notes for your reviewer**: **Release note**: ```release-note None ```
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commit
46c2bfe47d
@ -1771,62 +1771,6 @@ func TestMonitorNodeStatusMarkPodsNotReady(t *testing.T) {
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},
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expectedPodStatusUpdate: true,
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},
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// Node created long time ago, with outdated kubelet version 1.1.0 and status
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// updated by kubelet exceeds grace period. Expect no action from node controller.
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{
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fakeNodeHandler: &testutil.FakeNodeHandler{
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Existing: []*v1.Node{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "node0",
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CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: "v1.1.0",
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},
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Conditions: []v1.NodeCondition{
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{
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Type: v1.NodeReady,
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Status: v1.ConditionTrue,
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// Node status hasn't been updated for 1hr.
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LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
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LastTransitionTime: metav1.Date(2015, 1, 1, 12, 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.ResourceName(v1.ResourceCPU): resource.MustParse("10"),
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v1.ResourceName(v1.ResourceMemory): resource.MustParse("10G"),
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},
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},
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Spec: v1.NodeSpec{
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ExternalID: "node0",
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},
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},
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},
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Clientset: fake.NewSimpleClientset(&v1.PodList{Items: []v1.Pod{*testutil.NewPod("pod0", "node0")}}),
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},
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timeToPass: 1 * time.Minute,
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newNodeStatus: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: "v1.1.0",
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},
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Conditions: []v1.NodeCondition{
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{
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Type: v1.NodeReady,
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Status: v1.ConditionTrue,
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// Node status hasn't been updated for 1hr.
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LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
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LastTransitionTime: metav1.Date(2015, 1, 1, 12, 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.ResourceName(v1.ResourceCPU): resource.MustParse("10"),
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v1.ResourceName(v1.ResourceMemory): resource.MustParse("10G"),
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},
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},
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expectedPodStatusUpdate: false,
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},
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}
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for i, item := range table {
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@ -2247,307 +2191,3 @@ func TestNodeEventGeneration(t *testing.T) {
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}
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}
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}
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func TestCheckPod(t *testing.T) {
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tcs := []struct {
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pod v1.Pod
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prune bool
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}{
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: nil},
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Spec: v1.PodSpec{NodeName: "new"},
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},
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prune: false,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: nil},
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Spec: v1.PodSpec{NodeName: "old"},
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},
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prune: false,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: nil},
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Spec: v1.PodSpec{NodeName: ""},
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},
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prune: false,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: nil},
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Spec: v1.PodSpec{NodeName: "nonexistant"},
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},
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prune: false,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: &metav1.Time{}},
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Spec: v1.PodSpec{NodeName: "new"},
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},
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prune: false,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: &metav1.Time{}},
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Spec: v1.PodSpec{NodeName: "old"},
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},
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prune: true,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: &metav1.Time{}},
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Spec: v1.PodSpec{NodeName: "older"},
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},
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prune: true,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: &metav1.Time{}},
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Spec: v1.PodSpec{NodeName: "oldest"},
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},
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prune: true,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: &metav1.Time{}},
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Spec: v1.PodSpec{NodeName: ""},
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},
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prune: false,
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},
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{
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pod: v1.Pod{
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ObjectMeta: metav1.ObjectMeta{DeletionTimestamp: &metav1.Time{}},
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Spec: v1.PodSpec{NodeName: "nonexistant"},
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},
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prune: false,
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},
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}
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nc, _ := newNodeControllerFromClient(nil, fake.NewSimpleClientset(), 0, 0, 0, 0, 0, 0, 0, 0, nil, nil, 0, false, false)
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nc.nodeInformer.Informer().GetStore().Add(&v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "new",
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: "v1.1.0",
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},
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},
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})
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nc.nodeInformer.Informer().GetStore().Add(&v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "old",
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: "v1.0.0",
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},
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},
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})
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nc.nodeInformer.Informer().GetStore().Add(&v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "older",
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: "v0.21.4",
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},
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},
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})
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nc.nodeInformer.Informer().GetStore().Add(&v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "oldest",
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: "v0.19.3",
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},
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},
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})
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for i, tc := range tcs {
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var deleteCalls int
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nc.forcefullyDeletePod = func(_ *v1.Pod) error {
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deleteCalls++
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return nil
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}
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nc.maybeDeleteTerminatingPod(&tc.pod)
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if tc.prune && deleteCalls != 1 {
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t.Errorf("[%v] expected number of delete calls to be 1 but got %v", i, deleteCalls)
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}
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if !tc.prune && deleteCalls != 0 {
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t.Errorf("[%v] expected number of delete calls to be 0 but got %v", i, deleteCalls)
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}
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}
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}
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func TestCheckNodeKubeletVersionParsing(t *testing.T) {
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tests := []struct {
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version string
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outdated bool
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}{
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{
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version: "",
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outdated: true,
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},
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{
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version: "v0.21.4",
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outdated: true,
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},
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{
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version: "v1.0.0",
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outdated: true,
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},
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{
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version: "v1.1.0",
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outdated: true,
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},
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{
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version: "v1.1.0-alpha.2.961+9d4c6846fc03b9-dirty",
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outdated: true,
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},
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{
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version: "v1.2.0",
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outdated: false,
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},
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{
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version: "v1.3.3",
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outdated: false,
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},
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{
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version: "v1.4.0-alpha.2.961+9d4c6846fc03b9-dirty",
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outdated: false,
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},
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{
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version: "v2.0.0",
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outdated: false,
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},
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}
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for _, ov := range tests {
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n := &v1.Node{
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KubeletVersion: ov.version,
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},
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},
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}
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isOutdated := util.NodeRunningOutdatedKubelet(n)
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if ov.outdated != isOutdated {
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t.Errorf("Version %v doesn't match test expectation. Expected outdated %v got %v", n.Status.NodeInfo.KubeletVersion, ov.outdated, isOutdated)
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} else {
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t.Logf("Version %v outdated %v", ov.version, isOutdated)
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}
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}
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}
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func TestFixDeprecatedTaintKey(t *testing.T) {
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fakeNow := metav1.Date(2017, 1, 1, 12, 0, 0, 0, time.UTC)
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evictionTimeout := 10 * time.Minute
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fakeNodeHandler := &testutil.FakeNodeHandler{
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Existing: []*v1.Node{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "node0",
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CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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Labels: map[string]string{
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kubeletapis.LabelZoneRegion: "region1",
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kubeletapis.LabelZoneFailureDomain: "zone1",
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},
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},
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},
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},
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Clientset: fake.NewSimpleClientset(&v1.PodList{Items: []v1.Pod{*testutil.NewPod("pod0", "node0")}}),
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}
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nodeController, _ := newNodeControllerFromClient(nil, fakeNodeHandler, evictionTimeout,
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testRateLimiterQPS, testRateLimiterQPS, testLargeClusterThreshold, testUnhealthyThreshold, testNodeMonitorGracePeriod,
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testNodeStartupGracePeriod, testNodeMonitorPeriod, nil, nil, 0, false, true)
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nodeController.now = func() metav1.Time { return fakeNow }
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nodeController.recorder = testutil.NewFakeRecorder()
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deprecatedTaint := &v1.Taint{
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Key: algorithm.DeprecatedTaintNodeNotReady,
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Effect: v1.TaintEffectNoExecute,
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}
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nodeNotReadyTaint := &v1.Taint{
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Key: algorithm.TaintNodeNotReady,
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Effect: v1.TaintEffectNoExecute,
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}
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tests := []struct {
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Name string
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Node *v1.Node
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ExpectedTaints []*v1.Taint
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}{
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{
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Name: "Node with deprecated taint key",
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Node: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "node0",
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CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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Labels: map[string]string{
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kubeletapis.LabelZoneRegion: "region1",
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kubeletapis.LabelZoneFailureDomain: "zone1",
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},
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},
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Spec: v1.NodeSpec{
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Taints: []v1.Taint{
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*deprecatedTaint,
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},
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},
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},
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ExpectedTaints: []*v1.Taint{nodeNotReadyTaint},
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},
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{
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Name: "Node with not-ready taint key",
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Node: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "node0",
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CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
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Labels: map[string]string{
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kubeletapis.LabelZoneRegion: "region1",
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kubeletapis.LabelZoneFailureDomain: "zone1",
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},
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},
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Spec: v1.NodeSpec{
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Taints: []v1.Taint{
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*nodeNotReadyTaint,
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},
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},
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},
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ExpectedTaints: []*v1.Taint{nodeNotReadyTaint},
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},
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}
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for _, test := range tests {
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fakeNodeHandler.Update(test.Node)
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if err := syncNodeStore(nodeController, fakeNodeHandler); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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nodeController.doFixDeprecatedTaintKeyPass(test.Node)
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if err := syncNodeStore(nodeController, fakeNodeHandler); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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node0, err := nodeController.nodeLister.Get("node0")
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if err != nil {
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t.Errorf("Can't get current node0...")
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return
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}
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if len(node0.Spec.Taints) != len(test.ExpectedTaints) {
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t.Errorf("%s: Unexpected number of taints: expected %d, got %d",
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test.Name, len(test.ExpectedTaints), len(node0.Spec.Taints))
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}
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for _, taint := range test.ExpectedTaints {
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if !taintutils.TaintExists(node0.Spec.Taints, taint) {
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t.Errorf("%s: Can't find taint %v in %v", test.Name, taint, node0.Spec.Taints)
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}
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}
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}
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}
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