func newPodList(count, isUnready, isUnhealthy int, labels map[string]string) *api.PodList {
pods := []api.Pod{}
for i := 0; i < count; i++ {
newPod := api.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("pod-%d", i+1),
Namespace: api.NamespaceDefault,
CreationTimestamp: metav1.Date(2016, time.April, 1, 1, 0, i, 0, time.UTC),
Labels: labels,
},
Status: api.PodStatus{
Conditions: []api.PodCondition{
{
Status: api.ConditionTrue,
Type: api.PodReady,
},
},
},
}
pods = append(pods, newPod)
}
if isUnready > -1 && isUnready < count {
pods[isUnready].Status.Conditions[0].Status = api.ConditionFalse
}
if isUnhealthy > -1 && isUnhealthy < count {
pods[isUnhealthy].Status.ContainerStatuses = []api.ContainerStatus{{RestartCount: 5}}
}
return &api.PodList{
Items: pods,
}
}
func TestScale(t *testing.T) {
newTimestamp := metav1.Date(2016, 5, 20, 2, 0, 0, 0, time.UTC)
oldTimestamp := metav1.Date(2016, 5, 20, 1, 0, 0, 0, time.UTC)
olderTimestamp := metav1.Date(2016, 5, 20, 0, 0, 0, 0, time.UTC)
var updatedTemplate = func(replicas int) *extensions.Deployment {
d := newDeployment("foo", replicas, nil, nil, nil, map[string]string{"foo": "bar"})
d.Spec.Template.Labels["another"] = "label"
return d
}
tests := []struct {
name string
deployment *extensions.Deployment
oldDeployment *extensions.Deployment
newRS *extensions.ReplicaSet
oldRSs []*extensions.ReplicaSet
expectedNew *extensions.ReplicaSet
expectedOld []*extensions.ReplicaSet
wasntUpdated map[string]bool
desiredReplicasAnnotations map[string]int32
}{
{
name: "normal scaling event: 10 -> 12",
deployment: newDeployment("foo", 12, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 10, nil, nil, nil, nil),
newRS: rs("foo-v1", 10, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{},
expectedNew: rs("foo-v1", 12, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{},
},
{
name: "normal scaling event: 10 -> 5",
deployment: newDeployment("foo", 5, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 10, nil, nil, nil, nil),
newRS: rs("foo-v1", 10, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{},
expectedNew: rs("foo-v1", 5, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{},
},
{
name: "proportional scaling: 5 -> 10",
deployment: newDeployment("foo", 10, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 5, nil, nil, nil, nil),
newRS: rs("foo-v2", 2, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v1", 3, nil, oldTimestamp)},
expectedNew: rs("foo-v2", 4, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v1", 6, nil, oldTimestamp)},
},
{
name: "proportional scaling: 5 -> 3",
deployment: newDeployment("foo", 3, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 5, nil, nil, nil, nil),
newRS: rs("foo-v2", 2, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v1", 3, nil, oldTimestamp)},
expectedNew: rs("foo-v2", 1, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v1", 2, nil, oldTimestamp)},
},
{
name: "proportional scaling: 9 -> 4",
deployment: newDeployment("foo", 4, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 9, nil, nil, nil, nil),
newRS: rs("foo-v2", 8, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v1", 1, nil, oldTimestamp)},
expectedNew: rs("foo-v2", 4, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v1", 0, nil, oldTimestamp)},
},
{
name: "proportional scaling: 7 -> 10",
deployment: newDeployment("foo", 10, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 7, nil, nil, nil, nil),
newRS: rs("foo-v3", 2, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 3, nil, oldTimestamp), rs("foo-v1", 2, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 3, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 4, nil, oldTimestamp), rs("foo-v1", 3, nil, olderTimestamp)},
},
{
name: "proportional scaling: 13 -> 8",
deployment: newDeployment("foo", 8, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 13, nil, nil, nil, nil),
newRS: rs("foo-v3", 2, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 8, nil, oldTimestamp), rs("foo-v1", 3, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 1, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 5, nil, oldTimestamp), rs("foo-v1", 2, nil, olderTimestamp)},
},
// Scales up the new replica set.
{
name: "leftover distribution: 3 -> 4",
deployment: newDeployment("foo", 4, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 3, nil, nil, nil, nil),
newRS: rs("foo-v3", 1, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 1, nil, oldTimestamp), rs("foo-v1", 1, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 2, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 1, nil, oldTimestamp), rs("foo-v1", 1, nil, olderTimestamp)},
},
// Scales down the older replica set.
{
name: "leftover distribution: 3 -> 2",
deployment: newDeployment("foo", 2, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 3, nil, nil, nil, nil),
newRS: rs("foo-v3", 1, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 1, nil, oldTimestamp), rs("foo-v1", 1, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 1, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 1, nil, oldTimestamp), rs("foo-v1", 0, nil, olderTimestamp)},
},
// Scales up the latest replica set first.
{
name: "proportional scaling (no new rs): 4 -> 5",
deployment: newDeployment("foo", 5, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 4, nil, nil, nil, nil),
newRS: nil,
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 2, nil, oldTimestamp), rs("foo-v1", 2, nil, olderTimestamp)},
expectedNew: nil,
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 3, nil, oldTimestamp), rs("foo-v1", 2, nil, olderTimestamp)},
},
// Scales down to zero
{
name: "proportional scaling: 6 -> 0",
deployment: newDeployment("foo", 0, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 6, nil, nil, nil, nil),
newRS: rs("foo-v3", 3, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 2, nil, oldTimestamp), rs("foo-v1", 1, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 0, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 0, nil, oldTimestamp), rs("foo-v1", 0, nil, olderTimestamp)},
},
// Scales up from zero
{
name: "proportional scaling: 0 -> 6",
deployment: newDeployment("foo", 6, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 6, nil, nil, nil, nil),
newRS: rs("foo-v3", 0, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 0, nil, oldTimestamp), rs("foo-v1", 0, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 6, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 0, nil, oldTimestamp), rs("foo-v1", 0, nil, olderTimestamp)},
wasntUpdated: map[string]bool{"foo-v2": true, "foo-v1": true},
},
// Scenario: deployment.spec.replicas == 3 ( foo-v1.spec.replicas == foo-v2.spec.replicas == foo-v3.spec.replicas == 1 )
// Deployment is scaled to 5. foo-v3.spec.replicas and foo-v2.spec.replicas should increment by 1 but foo-v2 fails to
// update.
{
name: "failed rs update",
deployment: newDeployment("foo", 5, nil, nil, nil, nil),
oldDeployment: newDeployment("foo", 5, nil, nil, nil, nil),
newRS: rs("foo-v3", 2, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 1, nil, oldTimestamp), rs("foo-v1", 1, nil, olderTimestamp)},
expectedNew: rs("foo-v3", 2, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 2, nil, oldTimestamp), rs("foo-v1", 1, nil, olderTimestamp)},
wasntUpdated: map[string]bool{"foo-v3": true, "foo-v1": true},
desiredReplicasAnnotations: map[string]int32{"foo-v2": int32(3)},
},
{
name: "deployment with surge pods",
deployment: newDeployment("foo", 20, nil, maxSurge(2), nil, nil),
oldDeployment: newDeployment("foo", 10, nil, maxSurge(2), nil, nil),
newRS: rs("foo-v2", 6, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v1", 6, nil, oldTimestamp)},
expectedNew: rs("foo-v2", 11, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v1", 11, nil, oldTimestamp)},
},
{
name: "change both surge and size",
deployment: newDeployment("foo", 50, nil, maxSurge(6), nil, nil),
oldDeployment: newDeployment("foo", 10, nil, maxSurge(3), nil, nil),
newRS: rs("foo-v2", 5, nil, newTimestamp),
oldRSs: []*extensions.ReplicaSet{rs("foo-v1", 8, nil, oldTimestamp)},
expectedNew: rs("foo-v2", 22, nil, newTimestamp),
expectedOld: []*extensions.ReplicaSet{rs("foo-v1", 34, nil, oldTimestamp)},
},
{
name: "change both size and template",
deployment: updatedTemplate(14),
oldDeployment: newDeployment("foo", 10, nil, nil, nil, map[string]string{"foo": "bar"}),
newRS: nil,
oldRSs: []*extensions.ReplicaSet{rs("foo-v2", 7, nil, newTimestamp), rs("foo-v1", 3, nil, oldTimestamp)},
expectedNew: nil,
expectedOld: []*extensions.ReplicaSet{rs("foo-v2", 10, nil, newTimestamp), rs("foo-v1", 4, nil, oldTimestamp)},
},
}
for _, test := range tests {
_ = olderTimestamp
t.Log(test.name)
fake := fake.Clientset{}
dc := &DeploymentController{
client: &fake,
eventRecorder: &record.FakeRecorder{},
}
if test.newRS != nil {
desiredReplicas := *(test.oldDeployment.Spec.Replicas)
if desired, ok := test.desiredReplicasAnnotations[test.newRS.Name]; ok {
desiredReplicas = desired
}
deploymentutil.SetReplicasAnnotations(test.newRS, desiredReplicas, desiredReplicas+deploymentutil.MaxSurge(*test.oldDeployment))
}
for i := range test.oldRSs {
rs := test.oldRSs[i]
if rs == nil {
continue
}
desiredReplicas := *(test.oldDeployment.Spec.Replicas)
if desired, ok := test.desiredReplicasAnnotations[rs.Name]; ok {
desiredReplicas = desired
}
deploymentutil.SetReplicasAnnotations(rs, desiredReplicas, desiredReplicas+deploymentutil.MaxSurge(*test.oldDeployment))
}
if err := dc.scale(test.deployment, test.newRS, test.oldRSs); err != nil {
t.Errorf("%s: unexpected error: %v", test.name, err)
continue
}
// Construct the nameToSize map that will hold all the sizes we got our of tests
// Skip updating the map if the replica set wasn't updated since there will be
// no update action for it.
nameToSize := make(map[string]int32)
if test.newRS != nil {
nameToSize[test.newRS.Name] = *(test.newRS.Spec.Replicas)
}
for i := range test.oldRSs {
rs := test.oldRSs[i]
nameToSize[rs.Name] = *(rs.Spec.Replicas)
}
// Get all the UPDATE actions and update nameToSize with all the updated sizes.
for _, action := range fake.Actions() {
rs := action.(testclient.UpdateAction).GetObject().(*extensions.ReplicaSet)
if !test.wasntUpdated[rs.Name] {
nameToSize[rs.Name] = *(rs.Spec.Replicas)
}
}
if test.expectedNew != nil && test.newRS != nil && *(test.expectedNew.Spec.Replicas) != nameToSize[test.newRS.Name] {
t.Errorf("%s: expected new replicas: %d, got: %d", test.name, *(test.expectedNew.Spec.Replicas), nameToSize[test.newRS.Name])
continue
}
if len(test.expectedOld) != len(test.oldRSs) {
t.Errorf("%s: expected %d old replica sets, got %d", test.name, len(test.expectedOld), len(test.oldRSs))
continue
}
for n := range test.oldRSs {
rs := test.oldRSs[n]
expected := test.expectedOld[n]
if *(expected.Spec.Replicas) != nameToSize[rs.Name] {
t.Errorf("%s: expected old (%s) replicas: %d, got: %d", test.name, rs.Name, *(expected.Spec.Replicas), nameToSize[rs.Name])
}
}
}
}
func TestGetFirstPod(t *testing.T) {
labelSet := map[string]string{"test": "selector"}
tests := []struct {
name string
podList *api.PodList
watching []watch.Event
sortBy func([]*v1.Pod) sort.Interface
expected *api.Pod
expectedNum int
expectedErr bool
}{
{
name: "kubectl logs - two ready pods",
podList: newPodList(2, -1, -1, labelSet),
sortBy: func(pods []*v1.Pod) sort.Interface { return controller.ByLogging(pods) },
expected: &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-1",
Namespace: api.NamespaceDefault,
CreationTimestamp: metav1.Date(2016, time.April, 1, 1, 0, 0, 0, time.UTC),
Labels: map[string]string{"test": "selector"},
},
Status: api.PodStatus{
Conditions: []api.PodCondition{
{
Status: api.ConditionTrue,
Type: api.PodReady,
},
},
},
},
expectedNum: 2,
},
{
name: "kubectl logs - one unhealthy, one healthy",
podList: newPodList(2, -1, 1, labelSet),
sortBy: func(pods []*v1.Pod) sort.Interface { return controller.ByLogging(pods) },
expected: &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-2",
Namespace: api.NamespaceDefault,
CreationTimestamp: metav1.Date(2016, time.April, 1, 1, 0, 1, 0, time.UTC),
Labels: map[string]string{"test": "selector"},
},
Status: api.PodStatus{
Conditions: []api.PodCondition{
{
Status: api.ConditionTrue,
Type: api.PodReady,
},
},
ContainerStatuses: []api.ContainerStatus{{RestartCount: 5}},
},
},
expectedNum: 2,
},
{
name: "kubectl attach - two ready pods",
podList: newPodList(2, -1, -1, labelSet),
sortBy: func(pods []*v1.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) },
expected: &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-1",
Namespace: api.NamespaceDefault,
CreationTimestamp: metav1.Date(2016, time.April, 1, 1, 0, 0, 0, time.UTC),
Labels: map[string]string{"test": "selector"},
},
Status: api.PodStatus{
Conditions: []api.PodCondition{
{
Status: api.ConditionTrue,
Type: api.PodReady,
},
},
},
},
expectedNum: 2,
},
{
name: "kubectl attach - wait for ready pod",
podList: newPodList(1, 1, -1, labelSet),
watching: []watch.Event{
{
Type: watch.Modified,
Object: &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-1",
Namespace: api.NamespaceDefault,
CreationTimestamp: metav1.Date(2016, time.April, 1, 1, 0, 0, 0, time.UTC),
Labels: map[string]string{"test": "selector"},
},
Status: api.PodStatus{
Conditions: []api.PodCondition{
{
Status: api.ConditionTrue,
Type: api.PodReady,
},
},
},
},
},
},
sortBy: func(pods []*v1.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) },
expected: &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-1",
Namespace: api.NamespaceDefault,
CreationTimestamp: metav1.Date(2016, time.April, 1, 1, 0, 0, 0, time.UTC),
Labels: map[string]string{"test": "selector"},
},
Status: api.PodStatus{
Conditions: []api.PodCondition{
{
Status: api.ConditionTrue,
Type: api.PodReady,
},
},
},
},
expectedNum: 1,
},
}
for i := range tests {
test := tests[i]
fake := fake.NewSimpleClientset(test.podList)
if len(test.watching) > 0 {
watcher := watch.NewFake()
for _, event := range test.watching {
switch event.Type {
case watch.Added:
go watcher.Add(event.Object)
case watch.Modified:
go watcher.Modify(event.Object)
}
}
fake.PrependWatchReactor("pods", testcore.DefaultWatchReactor(watcher, nil))
}
selector := labels.Set(labelSet).AsSelector()
pod, numPods, err := GetFirstPod(fake.Core(), api.NamespaceDefault, selector, 1*time.Minute, test.sortBy)
pod.Spec.SecurityContext = nil
if !test.expectedErr && err != nil {
t.Errorf("%s: unexpected error: %v", test.name, err)
continue
}
if test.expectedErr && err == nil {
t.Errorf("%s: expected an error", test.name)
continue
}
if test.expectedNum != numPods {
t.Errorf("%s: expected %d pods, got %d", test.name, test.expectedNum, numPods)
continue
}
if !reflect.DeepEqual(test.expected, pod) {
t.Errorf("%s:\nexpected pod:\n%#v\ngot:\n%#v\n\n", test.name, test.expected, pod)
}
}
}
// This test checks that the node is deleted when kubelet stops reporting
// and cloud provider says node is gone
func TestNodeDeleted(t *testing.T) {
pod0 := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "pod0",
},
Spec: v1.PodSpec{
NodeName: "node0",
},
Status: v1.PodStatus{
Conditions: []v1.PodCondition{
{
Type: v1.PodReady,
Status: v1.ConditionTrue,
},
},
},
}
pod1 := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "pod1",
},
Spec: v1.PodSpec{
NodeName: "node0",
},
Status: v1.PodStatus{
Conditions: []v1.PodCondition{
{
Type: v1.PodReady,
Status: v1.ConditionTrue,
},
},
},
}
fnh := &testutil.FakeNodeHandler{
Existing: []*v1.Node{
{
ObjectMeta: metav1.ObjectMeta{
Name: "node0",
CreationTimestamp: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeReady,
Status: v1.ConditionUnknown,
LastHeartbeatTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&v1.PodList{Items: []v1.Pod{*pod0, *pod1}}),
DeleteWaitChan: make(chan struct{}),
}
factory := informers.NewSharedInformerFactory(fnh, nil, controller.NoResyncPeriodFunc())
eventBroadcaster := record.NewBroadcaster()
cloudNodeController := &CloudNodeController{
kubeClient: fnh,
nodeInformer: factory.Nodes(),
cloud: &fakecloud.FakeCloud{Err: cloudprovider.InstanceNotFound},
nodeMonitorPeriod: 5 * time.Second,
recorder: eventBroadcaster.NewRecorder(v1.EventSource{Component: "controllermanager"}),
}
eventBroadcaster.StartLogging(glog.Infof)
cloudNodeController.Run()
select {
case <-fnh.DeleteWaitChan:
case <-time.After(wait.ForeverTestTimeout):
t.Errorf("Timed out waiting %v for node to be deleted", wait.ForeverTestTimeout)
}
if len(fnh.DeletedNodes) != 1 || fnh.DeletedNodes[0].Name != "node0" {
t.Errorf("Node was not deleted")
}
}
func TestConvert(t *testing.T) {
sinceSeconds := int64(123)
sinceTime := metav1.Date(2000, 1, 1, 12, 34, 56, 0, time.UTC)
tests := []struct {
input interface{}
expected url.Values
}{
{
input: &foo{
Str: "hello",
},
expected: url.Values{"str": {"hello"}},
},
{
input: &foo{
Str: "test string",
Slice: []string{"one", "two", "three"},
Integer: 234,
Boolean: true,
},
expected: url.Values{"str": {"test string"}, "slice": {"one", "two", "three"}, "integer": {"234"}, "boolean": {"true"}},
},
{
input: &foo{
Str: "named types",
NamedStr: "value1",
NamedBool: true,
},
expected: url.Values{"str": {"named types"}, "namedStr": {"value1"}, "namedBool": {"true"}},
},
{
input: &foo{
Str: "don't ignore embedded struct",
Foobar: bar{
Float1: 5.0,
},
},
expected: url.Values{"str": {"don't ignore embedded struct"}, "float1": {"5"}, "float2": {"0"}},
},
{
// Ignore untagged fields
input: &bar{
Float1: 23.5,
Float2: 100.7,
Int1: 1,
Int2: 2,
Int3: 3,
Ignored: 1,
Ignored2: "ignored",
},
expected: url.Values{"float1": {"23.5"}, "float2": {"100.7"}, "int1": {"1"}, "int2": {"2"}, "int3": {"3"}},
},
{
// include fields that are not tagged omitempty
input: &foo{
NamedStr: "named str",
},
expected: url.Values{"str": {""}, "namedStr": {"named str"}},
},
{
input: &baz{
Ptr: intp(5),
Bptr: boolp(true),
},
expected: url.Values{"ptr": {"5"}, "bptr": {"true"}},
},
{
input: &baz{
Bptr: boolp(true),
},
expected: url.Values{"ptr": {""}, "bptr": {"true"}},
},
{
input: &baz{
Ptr: intp(5),
},
expected: url.Values{"ptr": {"5"}},
},
{
input: &childStructs{
Container: "mycontainer",
Follow: true,
Previous: true,
SinceSeconds: &sinceSeconds,
SinceTime: &sinceTime, // test a custom marshaller
EmptyTime: nil, // test a nil custom marshaller without omitempty
},
expected: url.Values{"container": {"mycontainer"}, "follow": {"true"}, "previous": {"true"}, "sinceSeconds": {"123"}, "sinceTime": {"2000-01-01T12:34:56Z"}, "emptyTime": {""}},
},
{
input: &childStructs{
Container: "mycontainer",
Follow: true,
Previous: true,
SinceSeconds: &sinceSeconds,
SinceTime: nil, // test a nil custom marshaller with omitempty
},
expected: url.Values{"container": {"mycontainer"}, "follow": {"true"}, "previous": {"true"}, "sinceSeconds": {"123"}, "emptyTime": {""}},
},
}
for _, test := range tests {
result, err := queryparams.Convert(test.input)
if err != nil {
t.Errorf("Unexpected error while converting %#v: %v", test.input, err)
}
validateResult(t, test.input, result, test.expected)
}
}
func TestThresholdsUpdatedStats(t *testing.T) {
updatedThreshold := Threshold{
Signal: SignalMemoryAvailable,
}
locationUTC, err := time.LoadLocation("UTC")
if err != nil {
t.Error(err)
return
}
testCases := map[string]struct {
thresholds []Threshold
observations signalObservations
last signalObservations
result []Threshold
}{
"empty": {
thresholds: []Threshold{},
observations: signalObservations{},
last: signalObservations{},
result: []Threshold{},
},
"no-time": {
thresholds: []Threshold{updatedThreshold},
observations: signalObservations{
SignalMemoryAvailable: signalObservation{},
},
last: signalObservations{},
result: []Threshold{updatedThreshold},
},
"no-last-observation": {
thresholds: []Threshold{updatedThreshold},
observations: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 0, 0, 0, locationUTC),
},
},
last: signalObservations{},
result: []Threshold{updatedThreshold},
},
"time-machine": {
thresholds: []Threshold{updatedThreshold},
observations: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 0, 0, 0, locationUTC),
},
},
last: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 1, 0, 0, locationUTC),
},
},
result: []Threshold{},
},
"same-observation": {
thresholds: []Threshold{updatedThreshold},
observations: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 0, 0, 0, locationUTC),
},
},
last: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 0, 0, 0, locationUTC),
},
},
result: []Threshold{},
},
"new-observation": {
thresholds: []Threshold{updatedThreshold},
observations: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 1, 0, 0, locationUTC),
},
},
last: signalObservations{
SignalMemoryAvailable: signalObservation{
time: metav1.Date(2016, 1, 1, 0, 0, 0, 0, locationUTC),
},
},
result: []Threshold{updatedThreshold},
},
}
for testName, testCase := range testCases {
actual := thresholdsUpdatedStats(testCase.thresholds, testCase.observations, testCase.last)
if !thresholdList(actual).Equal(thresholdList(testCase.result)) {
t.Errorf("Test case: %s, expected: %v, actual: %v", testName, testCase.result, actual)
}
}
}
func TestUpdateExistingNodeStatus(t *testing.T) {
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
kubelet := testKubelet.kubelet
kubeClient := testKubelet.fakeKubeClient
existingNode := v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
Spec: v1.NodeSpec{},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeOutOfDisk,
Status: v1.ConditionTrue,
Reason: "KubeletOutOfDisk",
Message: "out of disk space",
LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
Type: v1.NodeMemoryPressure,
Status: v1.ConditionFalse,
Reason: "KubeletHasSufficientMemory",
Message: fmt.Sprintf("kubelet has sufficient memory available"),
LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
Type: v1.NodeDiskPressure,
Status: v1.ConditionFalse,
Reason: "KubeletHasSufficientDisk",
Message: fmt.Sprintf("kubelet has sufficient disk space available"),
LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
{
Type: v1.NodeReady,
Status: v1.ConditionTrue,
Reason: "KubeletReady",
Message: fmt.Sprintf("kubelet is posting ready status"),
LastHeartbeatTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
LastTransitionTime: metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
},
},
Capacity: v1.ResourceList{
v1.ResourceCPU: *resource.NewMilliQuantity(3000, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(20E9, resource.BinarySI),
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
},
Allocatable: v1.ResourceList{
v1.ResourceCPU: *resource.NewMilliQuantity(2800, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(19900E6, resource.BinarySI),
v1.ResourcePods: *resource.NewQuantity(0, resource.DecimalSI),
},
},
}
kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{existingNode}}).ReactionChain
mockCadvisor := testKubelet.fakeCadvisor
mockCadvisor.On("Start").Return(nil)
machineInfo := &cadvisorapi.MachineInfo{
MachineID: "123",
SystemUUID: "abc",
BootID: "1b3",
NumCores: 2,
MemoryCapacity: 20E9,
}
mockCadvisor.On("MachineInfo").Return(machineInfo, nil)
versionInfo := &cadvisorapi.VersionInfo{
KernelVersion: "3.16.0-0.bpo.4-amd64",
ContainerOsVersion: "Debian GNU/Linux 7 (wheezy)",
}
mockCadvisor.On("VersionInfo").Return(versionInfo, nil)
// Make kubelet report that it is out of disk space.
if err := updateDiskSpacePolicy(kubelet, mockCadvisor, 500, 500, 50, 50, 100, 100); err != nil {
t.Fatalf("can't update disk space manager: %v", err)
}
expectedNode := &v1.Node{
ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
Spec: v1.NodeSpec{},
Status: v1.NodeStatus{
Conditions: []v1.NodeCondition{
{
Type: v1.NodeOutOfDisk,
Status: v1.ConditionTrue,
Reason: "KubeletOutOfDisk",
Message: "out of disk space",
LastHeartbeatTime: metav1.Time{}, // placeholder
LastTransitionTime: metav1.Time{}, // placeholder
},
{
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: "KubeletHasSufficientDisk",
Message: fmt.Sprintf("kubelet has sufficient disk space available"),
LastHeartbeatTime: metav1.Time{},
LastTransitionTime: metav1.Time{},
},
{
Type: v1.NodeReady,
Status: v1.ConditionTrue,
Reason: "KubeletReady",
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: "3.16.0-0.bpo.4-amd64",
OSImage: "Debian GNU/Linux 7 (wheezy)",
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.ResourceNvidiaGPU: *resource.NewQuantity(0, resource.DecimalSI),
},
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.ResourceNvidiaGPU: *resource.NewQuantity(0, resource.DecimalSI),
},
Addresses: []v1.NodeAddress{
{Type: v1.NodeLegacyHostIP, Address: "127.0.0.1"},
{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{"gcr.io/google_containers:v3", "gcr.io/google_containers:v4"},
SizeBytes: 456,
},
{
Names: []string{"gcr.io/google_containers:v1", "gcr.io/google_containers:v2"},
SizeBytes: 123,
},
},
},
}
kubelet.updateRuntimeUp()
if err := kubelet.updateNodeStatus(); err != nil {
t.Errorf("unexpected error: %v", err)
}
actions := kubeClient.Actions()
if len(actions) != 2 {
t.Errorf("unexpected actions: %v", actions)
}
patchAction, ok := actions[1].(core.PatchActionImpl)
if !ok {
t.Errorf("unexpected action type. expected PatchActionImpl, got %#v", actions[1])
}
updatedNode, err := applyNodeStatusPatch(&existingNode, patchAction.GetPatch())
if !ok {
t.Fatalf("can't apply node status patch: %v", err)
}
for i, cond := range updatedNode.Status.Conditions {
// Expect LastProbeTime to be updated to Now, while LastTransitionTime to be the same.
if old := metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC).Time; reflect.DeepEqual(cond.LastHeartbeatTime.Rfc3339Copy().UTC(), old) {
t.Errorf("Condition %v LastProbeTime: expected \n%v\n, got \n%v", cond.Type, metav1.Now(), old)
}
if got, want := cond.LastTransitionTime.Rfc3339Copy().UTC(), metav1.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC).Time; !reflect.DeepEqual(got, want) {
t.Errorf("Condition %v LastTransitionTime: expected \n%#v\n, got \n%#v", cond.Type, want, got)
}
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
if updatedNode.Status.Conditions[len(updatedNode.Status.Conditions)-1].Type != v1.NodeReady {
t.Errorf("unexpected node condition order. NodeReady should be last.")
}
if !api.Semantic.DeepEqual(expectedNode, updatedNode) {
t.Errorf("unexpected objects: %s", diff.ObjectDiff(expectedNode, updatedNode))
}
}
func TestUnstructuredSetters(t *testing.T) {
unstruct := unstructured.Unstructured{}
trueVar := true
want := unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "test_kind",
"apiVersion": "test_version",
"metadata": map[string]interface{}{
"name": "test_name",
"namespace": "test_namespace",
"generateName": "test_generateName",
"uid": "test_uid",
"resourceVersion": "test_resourceVersion",
"selfLink": "test_selfLink",
"creationTimestamp": "2009-11-10T23:00:00Z",
"deletionTimestamp": "2010-11-10T23:00:00Z",
"labels": map[string]interface{}{
"test_label": "test_value",
},
"annotations": map[string]interface{}{
"test_annotation": "test_value",
},
"ownerReferences": []map[string]interface{}{
{
"kind": "Pod",
"name": "poda",
"apiVersion": "v1",
"uid": "1",
"controller": (*bool)(nil),
},
{
"kind": "Pod",
"name": "podb",
"apiVersion": "v1",
"uid": "2",
"controller": &trueVar,
},
},
"finalizers": []interface{}{
"finalizer.1",
"finalizer.2",
},
"clusterName": "cluster123",
},
},
}
unstruct.SetAPIVersion("test_version")
unstruct.SetKind("test_kind")
unstruct.SetNamespace("test_namespace")
unstruct.SetName("test_name")
unstruct.SetGenerateName("test_generateName")
unstruct.SetUID(types.UID("test_uid"))
unstruct.SetResourceVersion("test_resourceVersion")
unstruct.SetSelfLink("test_selfLink")
unstruct.SetCreationTimestamp(metav1.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC))
date := metav1.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC)
unstruct.SetDeletionTimestamp(&date)
unstruct.SetLabels(map[string]string{"test_label": "test_value"})
unstruct.SetAnnotations(map[string]string{"test_annotation": "test_value"})
newOwnerReferences := []metav1.OwnerReference{
{
Kind: "Pod",
Name: "poda",
APIVersion: "v1",
UID: "1",
},
{
Kind: "Pod",
Name: "podb",
APIVersion: "v1",
UID: "2",
Controller: &trueVar,
},
}
unstruct.SetOwnerReferences(newOwnerReferences)
unstruct.SetFinalizers([]string{"finalizer.1", "finalizer.2"})
unstruct.SetClusterName("cluster123")
if !reflect.DeepEqual(unstruct, want) {
t.Errorf("Wanted: \n%s\n Got:\n%s", want, unstruct)
}
}
func TestUnstructuredGetters(t *testing.T) {
unstruct := unstructured.Unstructured{
Object: map[string]interface{}{
"kind": "test_kind",
"apiVersion": "test_version",
"metadata": map[string]interface{}{
"name": "test_name",
"namespace": "test_namespace",
"generateName": "test_generateName",
"uid": "test_uid",
"resourceVersion": "test_resourceVersion",
"selfLink": "test_selfLink",
"creationTimestamp": "2009-11-10T23:00:00Z",
"deletionTimestamp": "2010-11-10T23:00:00Z",
"labels": map[string]interface{}{
"test_label": "test_value",
},
"annotations": map[string]interface{}{
"test_annotation": "test_value",
},
"ownerReferences": []map[string]interface{}{
{
"kind": "Pod",
"name": "poda",
"apiVersion": "v1",
"uid": "1",
},
{
"kind": "Pod",
"name": "podb",
"apiVersion": "v1",
"uid": "2",
},
},
"finalizers": []interface{}{
"finalizer.1",
"finalizer.2",
},
"clusterName": "cluster123",
},
},
}
if got, want := unstruct.GetAPIVersion(), "test_version"; got != want {
t.Errorf("GetAPIVersions() = %s, want %s", got, want)
}
if got, want := unstruct.GetKind(), "test_kind"; got != want {
t.Errorf("GetKind() = %s, want %s", got, want)
}
if got, want := unstruct.GetNamespace(), "test_namespace"; got != want {
t.Errorf("GetNamespace() = %s, want %s", got, want)
}
if got, want := unstruct.GetName(), "test_name"; got != want {
t.Errorf("GetName() = %s, want %s", got, want)
}
if got, want := unstruct.GetGenerateName(), "test_generateName"; got != want {
t.Errorf("GetGenerateName() = %s, want %s", got, want)
}
if got, want := unstruct.GetUID(), types.UID("test_uid"); got != want {
t.Errorf("GetUID() = %s, want %s", got, want)
}
if got, want := unstruct.GetResourceVersion(), "test_resourceVersion"; got != want {
t.Errorf("GetResourceVersion() = %s, want %s", got, want)
}
if got, want := unstruct.GetSelfLink(), "test_selfLink"; got != want {
t.Errorf("GetSelfLink() = %s, want %s", got, want)
}
if got, want := unstruct.GetCreationTimestamp(), metav1.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC); !got.Equal(want) {
t.Errorf("GetCreationTimestamp() = %s, want %s", got, want)
}
if got, want := unstruct.GetDeletionTimestamp(), metav1.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC); got == nil || !got.Equal(want) {
t.Errorf("GetDeletionTimestamp() = %s, want %s", got, want)
}
if got, want := unstruct.GetLabels(), map[string]string{"test_label": "test_value"}; !reflect.DeepEqual(got, want) {
t.Errorf("GetLabels() = %s, want %s", got, want)
}
if got, want := unstruct.GetAnnotations(), map[string]string{"test_annotation": "test_value"}; !reflect.DeepEqual(got, want) {
t.Errorf("GetAnnotations() = %s, want %s", got, want)
}
refs := unstruct.GetOwnerReferences()
expectedOwnerReferences := []metav1.OwnerReference{
{
Kind: "Pod",
Name: "poda",
APIVersion: "v1",
UID: "1",
},
{
Kind: "Pod",
Name: "podb",
APIVersion: "v1",
UID: "2",
},
}
if got, want := refs, expectedOwnerReferences; !reflect.DeepEqual(got, want) {
t.Errorf("GetOwnerReferences()=%v, want %v", got, want)
}
if got, want := unstruct.GetFinalizers(), []string{"finalizer.1", "finalizer.2"}; !reflect.DeepEqual(got, want) {
t.Errorf("GetFinalizers()=%v, want %v", got, want)
}
if got, want := unstruct.GetClusterName(), "cluster123"; got != want {
t.Errorf("GetClusterName()=%v, want %v", got, want)
}
}