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Added unit test for adding reason with termination.

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This commit is contained in:
Anirudh 2016-11-02 12:56:19 -07:00
parent a5bdc5f509
commit 8fd7de5f13
1 changed files with 141 additions and 0 deletions
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141
pkg/controller/node/nodecontroller_test.go
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@ -29,12 +29,14 @@ import (
"k8s.io/kubernetes/pkg/client/cache"
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
testcore "k8s.io/kubernetes/pkg/client/testing/core"
"k8s.io/kubernetes/pkg/cloudprovider"
fakecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/fake"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/controller/informers"
"k8s.io/kubernetes/pkg/types"
"k8s.io/kubernetes/pkg/util/diff"
"k8s.io/kubernetes/pkg/util/node"
"k8s.io/kubernetes/pkg/util/wait"
)
@ -538,6 +540,145 @@ func TestMonitorNodeStatusEvictPods(t *testing.T) {
}
}
func TestPodStatusChange(t *testing.T) {
fakeNow := unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC)
evictionTimeout := 10 * time.Minute
// Because of the logic that prevents NC from evicting anything when all Nodes are NotReady
// we need second healthy node in tests. Because of how the tests are written we need to update
// the status of this Node.
healthyNodeNewStatus := api.NodeStatus{
Conditions: []api.NodeCondition{
{
Type: api.NodeReady,
Status: api.ConditionTrue,
// Node status has just been updated, and is NotReady for 10min.
LastHeartbeatTime: unversioned.Date(2015, 1, 1, 12, 9, 0, 0, time.UTC),
LastTransitionTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
}
// Node created long time ago, node controller posted Unknown for a long period of time.
table := []struct {
fakeNodeHandler *FakeNodeHandler
daemonSets []extensions.DaemonSet
timeToPass time.Duration
newNodeStatus api.NodeStatus
secondNodeNewStatus api.NodeStatus
expectedPodUpdate bool
expectedReason string
description string
}{
{
fakeNodeHandler: &FakeNodeHandler{
Existing: []*api.Node{
{
ObjectMeta: api.ObjectMeta{
Name: "node0",
CreationTimestamp: unversioned.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{
unversioned.LabelZoneRegion: "region1",
unversioned.LabelZoneFailureDomain: "zone1",
},
},
Status: api.NodeStatus{
Conditions: []api.NodeCondition{
{
Type: api.NodeReady,
Status: api.ConditionUnknown,
LastHeartbeatTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
},
{
ObjectMeta: api.ObjectMeta{
Name: "node1",
CreationTimestamp: unversioned.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
Labels: map[string]string{
unversioned.LabelZoneRegion: "region1",
unversioned.LabelZoneFailureDomain: "zone1",
},
},
Status: api.NodeStatus{
Conditions: []api.NodeCondition{
{
Type: api.NodeReady,
Status: api.ConditionTrue,
LastHeartbeatTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
},
},
Clientset: fake.NewSimpleClientset(&api.PodList{Items: []api.Pod{*newPod("pod0", "node0")}}),
},
timeToPass: 60 * time.Minute,
newNodeStatus: api.NodeStatus{
Conditions: []api.NodeCondition{
{
Type: api.NodeReady,
Status: api.ConditionUnknown,
// Node status was updated by nodecontroller 1hr ago
LastHeartbeatTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
LastTransitionTime: unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
},
},
},
secondNodeNewStatus: healthyNodeNewStatus,
expectedPodUpdate: true,
expectedReason: node.NodeUnreachablePodReason,
description: "Node created long time ago, node controller posted Unknown for a " +
"long period of time, the pod status must include reason for termination.",
},
}
for _, item := range table {
nodeController, _ := NewNodeControllerFromClient(nil, item.fakeNodeHandler,
evictionTimeout, testRateLimiterQPS, testRateLimiterQPS, testLargeClusterThreshold, testUnhealtyThreshold, testNodeMonitorGracePeriod,
testNodeStartupGracePeriod, testNodeMonitorPeriod, nil, nil, 0, false)
nodeController.now = func() unversioned.Time { return fakeNow }
if err := nodeController.monitorNodeStatus(); err != nil {
t.Errorf("unexpected error: %v", err)
}
if item.timeToPass > 0 {
nodeController.now = func() unversioned.Time { return unversioned.Time{Time: fakeNow.Add(item.timeToPass)} }
item.fakeNodeHandler.Existing[0].Status = item.newNodeStatus
item.fakeNodeHandler.Existing[1].Status = item.secondNodeNewStatus
}
if err := nodeController.monitorNodeStatus(); err != nil {
t.Errorf("unexpected error: %v", err)
}
zones := getZones(item.fakeNodeHandler)
for _, zone := range zones {
nodeController.zonePodEvictor[zone].Try(func(value TimedValue) (bool, time.Duration) {
nodeUid, _ := value.UID.(string)
deletePods(item.fakeNodeHandler, nodeController.recorder, value.Value, nodeUid, nodeController.daemonSetStore)
return true, 0
})
}
podReasonUpdate := false
for _, action := range item.fakeNodeHandler.Actions() {
if action.GetVerb() == "update" && action.GetResource().Resource == "pods" {
updateReason := action.(testcore.UpdateActionImpl).GetObject().(*api.Pod).Status.Reason
podReasonUpdate = true
if updateReason != item.expectedReason {
t.Errorf("expected pod status reason: %+v, got %+v for %+v", item.expectedReason, updateReason, item.description)
}
}
}
if podReasonUpdate != item.expectedPodUpdate {
t.Errorf("expected pod update: %+v, got %+v for %+v", podReasonUpdate, item.expectedPodUpdate, item.description)
}
}
}
func TestMonitorNodeStatusEvictPodsWithDisruption(t *testing.T) {
fakeNow := unversioned.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC)
evictionTimeout := 10 * time.Minute