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Test both strategies in all daemonSet controller unit tests

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This commit is contained in:
Janet Kuo 2017-05-19 17:34:04 -07:00
parent d02f40a5e7
commit d2cf00fcd6
1 changed files with 901 additions and 717 deletions
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184
pkg/controller/daemon/daemoncontroller_test.go
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@ -27,6 +27,7 @@ import (
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apiserver/pkg/storage/names"
utilfeature "k8s.io/apiserver/pkg/util/feature"
@ -119,6 +120,24 @@ func newDaemonSet(name string) *extensions.DaemonSet {
}
}
func newRollbackStrategy() *extensions.DaemonSetUpdateStrategy {
one := intstr.FromInt(1)
return &extensions.DaemonSetUpdateStrategy{
Type: extensions.RollingUpdateDaemonSetStrategyType,
RollingUpdate: &extensions.RollingUpdateDaemonSet{MaxUnavailable: &one},
}
}
func newOnDeleteStrategy() *extensions.DaemonSetUpdateStrategy {
return &extensions.DaemonSetUpdateStrategy{
Type: extensions.OnDeleteDaemonSetStrategyType,
}
}
func updateStrategies() []*extensions.DaemonSetUpdateStrategy {
return []*extensions.DaemonSetUpdateStrategy{newOnDeleteStrategy(), newRollbackStrategy()}
}
func newNode(name string, label map[string]string) *v1.Node {
return &v1.Node{
TypeMeta: metav1.TypeMeta{APIVersion: api.Registry.GroupOrDie(v1.GroupName).GroupVersion.String()},
@ -334,15 +353,18 @@ func clearExpectations(t *testing.T, manager *daemonSetsController, ds *extensio
}
func TestDeleteFinalStateUnknown(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
addNodes(manager.nodeStore, 0, 1, nil)
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
// DeletedFinalStateUnknown should queue the embedded DS if found.
manager.deleteDaemonset(cache.DeletedFinalStateUnknown{Key: "foo", Obj: ds})
enqueuedKey, _ := manager.queue.Get()
if enqueuedKey.(string) != "default/foo" {
t.Errorf("expected delete of DeletedFinalStateUnknown to enqueue the daemonset but found: %#v", enqueuedKey)
}
}
}
func markPodsReady(store cache.Store) {
@ -360,15 +382,20 @@ func markPodReady(pod *v1.Pod) {
// DaemonSets without node selectors should launch pods on every node.
func TestSimpleDaemonSetLaunchesPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
addNodes(manager.nodeStore, 0, 5, nil)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 0)
}
}
func TestSimpleDaemonSetUpdatesStatusAfterLaunchingPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, clientset := newTestController(ds)
var updated *extensions.DaemonSet
@ -391,29 +418,38 @@ func TestSimpleDaemonSetUpdatesStatusAfterLaunchingPods(t *testing.T) {
if got, want := updated.Status.CurrentNumberScheduled, int32(5); got != want {
t.Errorf("Status.CurrentNumberScheduled = %v, want %v", got, want)
}
}
}
// DaemonSets should do nothing if there aren't any nodes
func TestNoNodesDoesNothing(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, podControl, _ := newTestController()
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSets without node selectors should launch on a single node in a
// single node cluster.
func TestOneNodeDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
manager.nodeStore.Add(newNode("only-node", nil))
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSets should place onto NotReady nodes
func TestNotReadNodeDaemonDoesNotLaunchPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
node := newNode("not-ready", nil)
node.Status.Conditions = []v1.NodeCondition{
@ -422,17 +458,21 @@ func TestNotReadNodeDaemonDoesNotLaunchPod(t *testing.T) {
manager.nodeStore.Add(node)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSets should not place onto OutOfDisk nodes
func TestOutOfDiskNodeDaemonDoesNotLaunchPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
node := newNode("not-enough-disk", nil)
node.Status.Conditions = []v1.NodeCondition{{Type: v1.NodeOutOfDisk, Status: v1.ConditionTrue}}
manager.nodeStore.Add(node)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
func resourcePodSpec(nodeName, memory, cpu string) v1.PodSpec {
@ -456,8 +496,10 @@ func allocatableResources(memory, cpu string) v1.ResourceList {
// DaemonSets should not place onto nodes with insufficient free resource
func TestInsufficientCapacityNodeDaemonDoesNotLaunchPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := resourcePodSpec("too-much-mem", "75M", "75m")
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
manager, podControl, _ := newTestController(ds)
node := newNode("too-much-mem", nil)
@ -468,13 +510,16 @@ func TestInsufficientCapacityNodeDaemonDoesNotLaunchPod(t *testing.T) {
})
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSets should not unschedule a daemonset pod from a node with insufficient free resource
func TestInsufficientCapacityNodeDaemonDoesNotUnscheduleRunningPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := resourcePodSpec("too-much-mem", "75M", "75m")
podSpec.NodeName = "too-much-mem"
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
manager, podControl, _ := newTestController(ds)
node := newNode("too-much-mem", nil)
@ -485,11 +530,14 @@ func TestInsufficientCapacityNodeDaemonDoesNotUnscheduleRunningPod(t *testing.T)
})
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
func TestSufficientCapacityWithTerminatedPodsDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := resourcePodSpec("too-much-mem", "75M", "75m")
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
manager, podControl, _ := newTestController(ds)
node := newNode("too-much-mem", nil)
@ -501,12 +549,15 @@ func TestSufficientCapacityWithTerminatedPodsDaemonLaunchesPod(t *testing.T) {
})
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSets should place onto nodes with sufficient free resource
func TestSufficientCapacityNodeDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := resourcePodSpec("not-too-much-mem", "75M", "75m")
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
manager, podControl, _ := newTestController(ds)
node := newNode("not-too-much-mem", nil)
@ -517,11 +568,14 @@ func TestSufficientCapacityNodeDaemonLaunchesPod(t *testing.T) {
})
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet should launch a pod on a node with taint NetworkUnavailable condition.
func TestNetworkUnavailableNodeDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("simple")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
node := newNode("network-unavailable", nil)
@ -532,12 +586,15 @@ func TestNetworkUnavailableNodeDaemonLaunchesPod(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSets not take any actions when being deleted
func TestDontDoAnythingIfBeingDeleted(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := resourcePodSpec("not-too-much-mem", "75M", "75m")
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
now := metav1.Now()
ds.DeletionTimestamp = &now
@ -550,11 +607,14 @@ func TestDontDoAnythingIfBeingDeleted(t *testing.T) {
})
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
func TestDontDoAnythingIfBeingDeletedRace(t *testing.T) {
for _, strategy := range updateStrategies() {
// Bare client says it IS deleted.
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
now := metav1.Now()
ds.DeletionTimestamp = &now
manager, podControl, _ := newTestController(ds)
@ -570,10 +630,12 @@ func TestDontDoAnythingIfBeingDeletedRace(t *testing.T) {
manager.podStore.Add(pod)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSets should not place onto nodes that would cause port conflicts
func TestPortConflictNodeDaemonDoesNotLaunchPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := v1.PodSpec{
NodeName: "port-conflict",
Containers: []v1.Container{{
@ -590,9 +652,11 @@ func TestPortConflictNodeDaemonDoesNotLaunchPod(t *testing.T) {
})
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// Test that if the node is already scheduled with a pod using a host port
@ -600,6 +664,7 @@ func TestPortConflictNodeDaemonDoesNotLaunchPod(t *testing.T) {
//
// Issue: https://github.com/kubernetes/kubernetes/issues/22309
func TestPortConflictWithSameDaemonPodDoesNotDeletePod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := v1.PodSpec{
NodeName: "port-conflict",
Containers: []v1.Container{{
@ -612,6 +677,7 @@ func TestPortConflictWithSameDaemonPodDoesNotDeletePod(t *testing.T) {
node := newNode("port-conflict", nil)
manager.nodeStore.Add(node)
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
manager.dsStore.Add(ds)
manager.podStore.Add(&v1.Pod{
@ -623,10 +689,12 @@ func TestPortConflictWithSameDaemonPodDoesNotDeletePod(t *testing.T) {
Spec: podSpec,
})
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSets should place onto nodes that would not cause port conflicts
func TestNoPortConflictNodeDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec1 := v1.PodSpec{
NodeName: "no-port-conflict",
Containers: []v1.Container{{
@ -644,6 +712,7 @@ func TestNoPortConflictNodeDaemonLaunchesPod(t *testing.T) {
}},
}
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec2
manager, podControl, _ := newTestController(ds)
node := newNode("no-port-conflict", nil)
@ -653,6 +722,7 @@ func TestNoPortConflictNodeDaemonLaunchesPod(t *testing.T) {
})
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSetController should not sync DaemonSets with empty pod selectors.
@ -668,7 +738,9 @@ func TestPodIsNotDeletedByDaemonsetWithEmptyLabelSelector(t *testing.T) {
// this case even though it's empty pod selector matches all pods. The DaemonSetController
// should detect this misconfiguration and choose not to sync the DaemonSet. We should
// not observe a deletion of the pod on node1.
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ls := metav1.LabelSelector{}
ds.Spec.Selector = &ls
ds.Spec.Template.Spec.NodeSelector = map[string]string{"foo": "bar"}
@ -688,11 +760,14 @@ func TestPodIsNotDeletedByDaemonsetWithEmptyLabelSelector(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// Controller should not create pods on nodes which have daemon pods, and should remove excess pods from nodes that have extra pods.
func TestDealsWithExistingPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
manager.dsStore.Add(ds)
addNodes(manager.nodeStore, 0, 5, nil)
@ -701,22 +776,28 @@ func TestDealsWithExistingPods(t *testing.T) {
addPods(manager.podStore, "node-3", simpleDaemonSetLabel, ds, 5)
addPods(manager.podStore, "node-4", simpleDaemonSetLabel2, ds, 2)
syncAndValidateDaemonSets(t, manager, ds, podControl, 2, 5)
}
}
// Daemon with node selector should launch pods on nodes matching selector.
func TestSelectorDaemonLaunchesPods(t *testing.T) {
for _, strategy := range updateStrategies() {
daemon := newDaemonSet("foo")
daemon.Spec.UpdateStrategy = *strategy
daemon.Spec.Template.Spec.NodeSelector = simpleNodeLabel
manager, podControl, _ := newTestController(daemon)
addNodes(manager.nodeStore, 0, 4, nil)
addNodes(manager.nodeStore, 4, 3, simpleNodeLabel)
manager.dsStore.Add(daemon)
syncAndValidateDaemonSets(t, manager, daemon, podControl, 3, 0)
}
}
// Daemon with node selector should delete pods from nodes that do not satisfy selector.
func TestSelectorDaemonDeletesUnselectedPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeSelector = simpleNodeLabel
manager, podControl, _ := newTestController(ds)
manager.dsStore.Add(ds)
@ -727,11 +808,14 @@ func TestSelectorDaemonDeletesUnselectedPods(t *testing.T) {
addPods(manager.podStore, "node-1", simpleDaemonSetLabel2, ds, 1)
addPods(manager.podStore, "node-4", simpleDaemonSetLabel, ds, 1)
syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 4)
}
}
// DaemonSet with node selector should launch pods on nodes matching selector, but also deal with existing pods on nodes.
func TestSelectorDaemonDealsWithExistingPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeSelector = simpleNodeLabel
manager, podControl, _ := newTestController(ds)
manager.dsStore.Add(ds)
@ -746,42 +830,54 @@ func TestSelectorDaemonDealsWithExistingPods(t *testing.T) {
addPods(manager.podStore, "node-9", simpleDaemonSetLabel, ds, 1)
addPods(manager.podStore, "node-9", simpleDaemonSetLabel2, ds, 1)
syncAndValidateDaemonSets(t, manager, ds, podControl, 3, 20)
}
}
// DaemonSet with node selector which does not match any node labels should not launch pods.
func TestBadSelectorDaemonDoesNothing(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, podControl, _ := newTestController()
addNodes(manager.nodeStore, 0, 4, nil)
addNodes(manager.nodeStore, 4, 3, simpleNodeLabel)
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeSelector = simpleNodeLabel2
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSet with node name should launch pod on node with corresponding name.
func TestNameDaemonSetLaunchesPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeName = "node-0"
manager, podControl, _ := newTestController(ds)
addNodes(manager.nodeStore, 0, 5, nil)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet with node name that does not exist should not launch pods.
func TestBadNameDaemonSetDoesNothing(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeName = "node-10"
manager, podControl, _ := newTestController(ds)
addNodes(manager.nodeStore, 0, 5, nil)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSet with node selector, and node name, matching a node, should launch a pod on the node.
func TestNameAndSelectorDaemonSetLaunchesPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeSelector = simpleNodeLabel
ds.Spec.Template.Spec.NodeName = "node-6"
manager, podControl, _ := newTestController(ds)
@ -789,11 +885,14 @@ func TestNameAndSelectorDaemonSetLaunchesPods(t *testing.T) {
addNodes(manager.nodeStore, 4, 3, simpleNodeLabel)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet with node selector that matches some nodes, and node name that matches a different node, should do nothing.
func TestInconsistentNameSelectorDaemonSetDoesNothing(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec.NodeSelector = simpleNodeLabel
ds.Spec.Template.Spec.NodeName = "node-0"
manager, podControl, _ := newTestController(ds)
@ -801,6 +900,7 @@ func TestInconsistentNameSelectorDaemonSetDoesNothing(t *testing.T) {
addNodes(manager.nodeStore, 4, 3, simpleNodeLabel)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSet with node selector, matching some nodes, should launch pods on all the nodes.
@ -816,7 +916,9 @@ func TestSelectorDaemonSetLaunchesPods(t *testing.T) {
// Daemon with node affinity should launch pods on nodes matching affinity.
func TestNodeAffinityDaemonLaunchesPods(t *testing.T) {
for _, strategy := range updateStrategies() {
daemon := newDaemonSet("foo")
daemon.Spec.UpdateStrategy = *strategy
daemon.Spec.Template.Spec.Affinity = &v1.Affinity{
NodeAffinity: &v1.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
@ -840,10 +942,13 @@ func TestNodeAffinityDaemonLaunchesPods(t *testing.T) {
addNodes(manager.nodeStore, 4, 3, simpleNodeLabel)
manager.dsStore.Add(daemon)
syncAndValidateDaemonSets(t, manager, daemon, podControl, 3, 0)
}
}
func TestNumberReadyStatus(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, clientset := newTestController(ds)
var updated *extensions.DaemonSet
clientset.PrependReactor("update", "daemonsets", func(action core.Action) (handled bool, ret runtime.Object, err error) {
@ -876,10 +981,13 @@ func TestNumberReadyStatus(t *testing.T) {
if updated.Status.NumberReady != 2 {
t.Errorf("Wrong daemon %s status: %v", updated.Name, updated.Status)
}
}
}
func TestObservedGeneration(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds.Generation = 1
manager, podControl, clientset := newTestController(ds)
var updated *extensions.DaemonSet
@ -901,6 +1009,7 @@ func TestObservedGeneration(t *testing.T) {
if updated.Status.ObservedGeneration != ds.Generation {
t.Errorf("Wrong ObservedGeneration for daemon %s in status. Expected %d, got %d", updated.Name, ds.Generation, updated.Status.ObservedGeneration)
}
}
}
// DaemonSet controller should kill all failed pods and create at most 1 pod on every node.
@ -918,7 +1027,9 @@ func TestDaemonKillFailedPods(t *testing.T) {
for _, test := range tests {
t.Logf("test case: %s\n", test.test)
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
manager.dsStore.Add(ds)
addNodes(manager.nodeStore, 0, 1, nil)
@ -926,11 +1037,14 @@ func TestDaemonKillFailedPods(t *testing.T) {
addPods(manager.podStore, "node-0", simpleDaemonSetLabel, ds, test.numNormalPods)
syncAndValidateDaemonSets(t, manager, ds, podControl, test.expectedCreates, test.expectedDeletes)
}
}
}
// DaemonSet should not launch a pod on a tainted node when the pod doesn't tolerate that taint.
func TestTaintedNodeDaemonDoesNotLaunchUntoleratePod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("untolerate")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
node := newNode("tainted", nil)
@ -939,11 +1053,14 @@ func TestTaintedNodeDaemonDoesNotLaunchUntoleratePod(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
// DaemonSet should launch a pod on a tainted node when the pod can tolerate that taint.
func TestTaintedNodeDaemonLaunchesToleratePod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("tolerate")
ds.Spec.UpdateStrategy = *strategy
setDaemonSetToleration(ds, noScheduleTolerations)
manager, podControl, _ := newTestController(ds)
@ -953,11 +1070,14 @@ func TestTaintedNodeDaemonLaunchesToleratePod(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet should launch a pod on a not ready node with taint notReady:NoExecute.
func TestNotReadyNodeDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("simple")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
node := newNode("tainted", nil)
@ -969,11 +1089,14 @@ func TestNotReadyNodeDaemonLaunchesPod(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet should launch a pod on an unreachable node with taint unreachable:NoExecute.
func TestUnreachableNodeDaemonLaunchesPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("simple")
ds.Spec.UpdateStrategy = *strategy
manager, podControl, _ := newTestController(ds)
node := newNode("tainted", nil)
@ -985,11 +1108,14 @@ func TestUnreachableNodeDaemonLaunchesPod(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet should launch a pod on an untainted node when the pod has tolerations.
func TestNodeDaemonLaunchesToleratePod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("tolerate")
ds.Spec.UpdateStrategy = *strategy
setDaemonSetToleration(ds, noScheduleTolerations)
manager, podControl, _ := newTestController(ds)
@ -998,6 +1124,7 @@ func TestNodeDaemonLaunchesToleratePod(t *testing.T) {
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
func setNodeTaint(node *v1.Node, taints []v1.Taint) {
@ -1010,7 +1137,9 @@ func setDaemonSetToleration(ds *extensions.DaemonSet, tolerations []v1.Toleratio
// DaemonSet should launch a critical pod even when the node is OutOfDisk.
func TestOutOfDiskNodeDaemonLaunchesCriticalPod(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("critical")
ds.Spec.UpdateStrategy = *strategy
setDaemonSetCritical(ds)
manager, podControl, _ := newTestController(ds)
@ -1026,12 +1155,15 @@ func TestOutOfDiskNodeDaemonLaunchesCriticalPod(t *testing.T) {
// Enabling critical pod annotation feature gate should create critical pod
utilfeature.DefaultFeatureGate.Set("ExperimentalCriticalPodAnnotation=True")
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSet should launch a critical pod even when the node has insufficient free resource.
func TestInsufficientCapacityNodeDaemonLaunchesCriticalPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := resourcePodSpec("too-much-mem", "75M", "75m")
ds := newDaemonSet("critical")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
setDaemonSetCritical(ds)
@ -1051,10 +1183,12 @@ func TestInsufficientCapacityNodeDaemonLaunchesCriticalPod(t *testing.T) {
// Enabling critical pod annotation feature gate should create critical pod
utilfeature.DefaultFeatureGate.Set("ExperimentalCriticalPodAnnotation=True")
syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
}
}
// DaemonSets should NOT launch a critical pod when there are port conflicts.
func TestPortConflictNodeDaemonDoesNotLaunchCriticalPod(t *testing.T) {
for _, strategy := range updateStrategies() {
podSpec := v1.PodSpec{
NodeName: "port-conflict",
Containers: []v1.Container{{
@ -1072,10 +1206,12 @@ func TestPortConflictNodeDaemonDoesNotLaunchCriticalPod(t *testing.T) {
utilfeature.DefaultFeatureGate.Set("ExperimentalCriticalPodAnnotation=True")
ds := newDaemonSet("critical")
ds.Spec.UpdateStrategy = *strategy
ds.Spec.Template.Spec = podSpec
setDaemonSetCritical(ds)
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
}
func setDaemonSetCritical(ds *extensions.DaemonSet) {
@ -1177,6 +1313,7 @@ func TestNodeShouldRunDaemonPod(t *testing.T) {
}
for i, c := range cases {
for _, strategy := range updateStrategies() {
node := newNode("test-node", nil)
node.Status.Allocatable = allocatableResources("100M", "1")
manager, _, _ := newTestController()
@ -1185,6 +1322,7 @@ func TestNodeShouldRunDaemonPod(t *testing.T) {
manager.podStore.Add(p)
p.Spec.NodeName = "test-node"
}
c.ds.Spec.UpdateStrategy = *strategy
wantToRun, shouldSchedule, shouldContinueRunning, err := manager.nodeShouldRunDaemonPod(node, c.ds)
if wantToRun != c.wantToRun {
@ -1200,6 +1338,7 @@ func TestNodeShouldRunDaemonPod(t *testing.T) {
t.Errorf("[%v] expected err: %v, got: %v", i, c.err, err)
}
}
}
}
// DaemonSets should be resynced when node labels or taints changed
@ -1285,8 +1424,10 @@ func TestUpdateNode(t *testing.T) {
},
}
for _, c := range cases {
for _, strategy := range updateStrategies() {
manager, podControl, _ := newTestController()
manager.nodeStore.Add(c.oldNode)
c.ds.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(c.ds)
syncAndValidateDaemonSets(t, manager, c.ds, podControl, 0, 0)
@ -1302,11 +1443,15 @@ func TestUpdateNode(t *testing.T) {
t.Errorf("Test case: '%s', expected: %t, got: %t", c.test, c.shouldEnqueue, enqueued)
}
}
}
}
func TestGetNodesToDaemonPods(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager, _, _ := newTestController(ds, ds2)
manager.dsStore.Add(ds)
manager.dsStore.Add(ds2)
@ -1364,6 +1509,7 @@ func TestGetNodesToDaemonPods(t *testing.T) {
for podName := range gotPods {
t.Errorf("unexpected pod %v was returned", podName)
}
}
}
func TestAddNode(t *testing.T) {
@ -1390,9 +1536,12 @@ func TestAddNode(t *testing.T) {
}
func TestAddPod(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1423,13 +1572,18 @@ func TestAddPod(t *testing.T) {
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
}
}
func TestAddPodOrphan(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
ds3 := newDaemonSet("foo3")
ds3.Spec.UpdateStrategy = *strategy
ds3.Spec.Selector.MatchLabels = simpleDaemonSetLabel2
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1444,12 +1598,16 @@ func TestAddPodOrphan(t *testing.T) {
if got, want := getQueuedKeys(manager.queue), []string{"default/foo1", "default/foo2"}; !reflect.DeepEqual(got, want) {
t.Errorf("getQueuedKeys() = %v, want %v", got, want)
}
}
}
func TestUpdatePod(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1484,12 +1642,16 @@ func TestUpdatePod(t *testing.T) {
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
}
}
func TestUpdatePodOrphanSameLabels(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1500,12 +1662,16 @@ func TestUpdatePodOrphanSameLabels(t *testing.T) {
if got, want := manager.queue.Len(), 0; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
}
}
func TestUpdatePodOrphanWithNewLabels(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1520,9 +1686,13 @@ func TestUpdatePodOrphanWithNewLabels(t *testing.T) {
if got, want := getQueuedKeys(manager.queue), []string{"default/foo1", "default/foo2"}; !reflect.DeepEqual(got, want) {
t.Errorf("getQueuedKeys() = %v, want %v", got, want)
}
}
}
func TestUpdatePodChangeControllerRef(t *testing.T) {
for _, strategy := range updateStrategies() {
ds := newDaemonSet("foo")
ds.Spec.UpdateStrategy = *strategy
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds2 := newDaemonSet("foo2")
@ -1537,12 +1707,16 @@ func TestUpdatePodChangeControllerRef(t *testing.T) {
if got, want := manager.queue.Len(), 2; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
}
}
func TestUpdatePodControllerRefRemoved(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1554,12 +1728,16 @@ func TestUpdatePodControllerRefRemoved(t *testing.T) {
if got, want := manager.queue.Len(), 2; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
}
}
func TestDeletePod(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1590,13 +1768,18 @@ func TestDeletePod(t *testing.T) {
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
}
}
func TestDeletePodOrphan(t *testing.T) {
for _, strategy := range updateStrategies() {
manager, _, _ := newTestController()
ds1 := newDaemonSet("foo1")
ds1.Spec.UpdateStrategy = *strategy
ds2 := newDaemonSet("foo2")
ds2.Spec.UpdateStrategy = *strategy
ds3 := newDaemonSet("foo3")
ds3.Spec.UpdateStrategy = *strategy
ds3.Spec.Selector.MatchLabels = simpleDaemonSetLabel2
manager.dsStore.Add(ds1)
manager.dsStore.Add(ds2)
@ -1607,6 +1790,7 @@ func TestDeletePodOrphan(t *testing.T) {
if got, want := manager.queue.Len(), 0; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
}
}
func bumpResourceVersion(obj metav1.Object) {