autoscaler/cluster-autoscaler/core/utils_test.go

634 lines
22 KiB
Go

/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package core
import (
"fmt"
"testing"
"time"
testprovider "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/test"
"k8s.io/autoscaler/cluster-autoscaler/clusterstate"
"k8s.io/autoscaler/cluster-autoscaler/clusterstate/utils"
"k8s.io/autoscaler/cluster-autoscaler/context"
"k8s.io/autoscaler/cluster-autoscaler/simulator"
"k8s.io/autoscaler/cluster-autoscaler/utils/deletetaint"
scheduler_util "k8s.io/autoscaler/cluster-autoscaler/utils/scheduler"
. "k8s.io/autoscaler/cluster-autoscaler/utils/test"
apiv1 "k8s.io/api/core/v1"
extensionsv1 "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
kube_record "k8s.io/client-go/tools/record"
"k8s.io/kubernetes/pkg/api/testapi"
kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
"github.com/stretchr/testify/assert"
schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
)
func TestPodSchedulableMap(t *testing.T) {
rc1 := apiv1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{
Name: "rc1",
Namespace: "default",
SelfLink: testapi.Default.SelfLink("replicationcontrollers", "rc"),
UID: "12345678-1234-1234-1234-123456789012",
},
}
rc2 := apiv1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{
Name: "rc2",
Namespace: "default",
SelfLink: testapi.Default.SelfLink("replicationcontrollers", "rc"),
UID: "12345678-1234-1234-1234-12345678901a",
},
}
pMap := make(podSchedulableMap)
podInRc1_1 := BuildTestPod("podInRc1_1", 500, 1000)
podInRc1_1.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
podInRc2 := BuildTestPod("podInRc2", 500, 1000)
podInRc2.OwnerReferences = GenerateOwnerReferences(rc2.Name, "ReplicationController", "extensions/v1beta1", rc2.UID)
// Basic sanity checks
_, found := pMap.get(podInRc1_1)
assert.False(t, found)
pMap.set(podInRc1_1, true)
sched, found := pMap.get(podInRc1_1)
assert.True(t, found)
assert.True(t, sched)
// Pod in different RC
_, found = pMap.get(podInRc2)
assert.False(t, found)
pMap.set(podInRc2, false)
sched, found = pMap.get(podInRc2)
assert.True(t, found)
assert.False(t, sched)
// Another replica in rc1
podInRc1_2 := BuildTestPod("podInRc1_1", 500, 1000)
podInRc1_2.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
sched, found = pMap.get(podInRc1_2)
assert.True(t, found)
assert.True(t, sched)
// A pod in rc1, but with different requests
differentPodInRc1 := BuildTestPod("differentPodInRc1", 1000, 1000)
differentPodInRc1.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
_, found = pMap.get(differentPodInRc1)
assert.False(t, found)
pMap.set(differentPodInRc1, false)
sched, found = pMap.get(differentPodInRc1)
assert.True(t, found)
assert.False(t, sched)
// A non-replicated pod
nonReplicatedPod := BuildTestPod("nonReplicatedPod", 1000, 1000)
_, found = pMap.get(nonReplicatedPod)
assert.False(t, found)
pMap.set(nonReplicatedPod, false)
_, found = pMap.get(nonReplicatedPod)
assert.False(t, found)
// Verify information about first pod has not been overwritten by adding
// other pods
sched, found = pMap.get(podInRc1_1)
assert.True(t, found)
assert.True(t, sched)
}
func TestFilterOutSchedulable(t *testing.T) {
rc1 := apiv1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{
Name: "rc1",
Namespace: "default",
SelfLink: testapi.Default.SelfLink("replicationcontrollers", "rc"),
UID: "12345678-1234-1234-1234-123456789012",
},
}
rc2 := apiv1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{
Name: "rc2",
Namespace: "default",
SelfLink: testapi.Default.SelfLink("replicationcontrollers", "rc"),
UID: "12345678-1234-1234-1234-12345678901a",
},
}
p1 := BuildTestPod("p1", 1500, 200000)
p2_1 := BuildTestPod("p2_2", 3000, 200000)
p2_1.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
p2_2 := BuildTestPod("p2_2", 3000, 200000)
p2_2.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
p3_1 := BuildTestPod("p3", 100, 200000)
p3_1.OwnerReferences = GenerateOwnerReferences(rc2.Name, "ReplicationController", "extensions/v1beta1", rc2.UID)
p3_2 := BuildTestPod("p3", 100, 200000)
p3_2.OwnerReferences = GenerateOwnerReferences(rc2.Name, "ReplicationController", "extensions/v1beta1", rc2.UID)
unschedulablePods := []*apiv1.Pod{p1, p2_1, p2_2, p3_1, p3_2}
scheduledPod1 := BuildTestPod("s1", 100, 200000)
scheduledPod2 := BuildTestPod("s2", 1500, 200000)
scheduledPod3 := BuildTestPod("s3", 4000, 200000)
var priority1 int32 = 1
scheduledPod3.Spec.Priority = &priority1
scheduledPod1.Spec.NodeName = "node1"
scheduledPod2.Spec.NodeName = "node1"
scheduledPod2.Spec.NodeName = "node1"
podWaitingForPreemption := BuildTestPod("w1", 1500, 200000)
var priority100 int32 = 100
podWaitingForPreemption.Spec.Priority = &priority100
podWaitingForPreemption.Annotations = map[string]string{scheduler_util.NominatedNodeAnnotationKey: "node1"}
node := BuildTestNode("node1", 2000, 2000000)
SetNodeReadyState(node, true, time.Time{})
predicateChecker := simulator.NewTestPredicateChecker()
res := FilterOutSchedulable(unschedulablePods, []*apiv1.Node{node}, []*apiv1.Pod{scheduledPod1, scheduledPod3}, []*apiv1.Pod{}, predicateChecker, 10)
assert.Equal(t, 2, len(res))
assert.Equal(t, p2_1, res[0])
assert.Equal(t, p2_2, res[1])
res2 := FilterOutSchedulable(unschedulablePods, []*apiv1.Node{node}, []*apiv1.Pod{scheduledPod1, scheduledPod2, scheduledPod3}, []*apiv1.Pod{}, predicateChecker, 10)
assert.Equal(t, 3, len(res2))
assert.Equal(t, p1, res2[0])
assert.Equal(t, p2_1, res2[1])
assert.Equal(t, p2_2, res2[2])
res3 := FilterOutSchedulable(unschedulablePods, []*apiv1.Node{node}, []*apiv1.Pod{scheduledPod1, scheduledPod3}, []*apiv1.Pod{podWaitingForPreemption}, predicateChecker, 10)
assert.Equal(t, 3, len(res3))
assert.Equal(t, p1, res3[0])
assert.Equal(t, p2_1, res3[1])
assert.Equal(t, p2_2, res3[2])
}
func TestFilterOutExpendableAndSplit(t *testing.T) {
var priority1 int32 = 1
var priority100 int32 = 100
p1 := BuildTestPod("p1", 1000, 200000)
p1.Spec.Priority = &priority1
p2 := BuildTestPod("p2", 1000, 200000)
p2.Spec.Priority = &priority100
podWaitingForPreemption1 := BuildTestPod("w1", 1000, 200000)
podWaitingForPreemption1.Spec.Priority = &priority1
podWaitingForPreemption1.Annotations = map[string]string{scheduler_util.NominatedNodeAnnotationKey: "node1"}
podWaitingForPreemption2 := BuildTestPod("w2", 1000, 200000)
podWaitingForPreemption2.Spec.Priority = &priority100
podWaitingForPreemption2.Annotations = map[string]string{scheduler_util.NominatedNodeAnnotationKey: "node1"}
res1, res2 := FilterOutExpendableAndSplit([]*apiv1.Pod{p1, p2, podWaitingForPreemption1, podWaitingForPreemption2}, 0)
assert.Equal(t, 2, len(res1))
assert.Equal(t, p1, res1[0])
assert.Equal(t, p2, res1[1])
assert.Equal(t, 2, len(res2))
assert.Equal(t, podWaitingForPreemption1, res2[0])
assert.Equal(t, podWaitingForPreemption2, res2[1])
res1, res2 = FilterOutExpendableAndSplit([]*apiv1.Pod{p1, p2, podWaitingForPreemption1, podWaitingForPreemption2}, 10)
assert.Equal(t, 1, len(res1))
assert.Equal(t, p2, res1[0])
assert.Equal(t, 1, len(res2))
assert.Equal(t, podWaitingForPreemption2, res2[0])
}
func TestFilterOutExpendablePods(t *testing.T) {
p1 := BuildTestPod("p1", 1500, 200000)
p2 := BuildTestPod("p2", 3000, 200000)
podWaitingForPreemption1 := BuildTestPod("w1", 1500, 200000)
var priority1 int32 = -10
podWaitingForPreemption1.Spec.Priority = &priority1
podWaitingForPreemption1.Annotations = map[string]string{scheduler_util.NominatedNodeAnnotationKey: "node1"}
podWaitingForPreemption2 := BuildTestPod("w1", 1500, 200000)
var priority2 int32 = 10
podWaitingForPreemption2.Spec.Priority = &priority2
podWaitingForPreemption2.Annotations = map[string]string{scheduler_util.NominatedNodeAnnotationKey: "node1"}
res := FilterOutExpendablePods([]*apiv1.Pod{p1, p2, podWaitingForPreemption1, podWaitingForPreemption2}, 0)
assert.Equal(t, 3, len(res))
assert.Equal(t, p1, res[0])
assert.Equal(t, p2, res[1])
assert.Equal(t, podWaitingForPreemption2, res[2])
}
func TestFilterSchedulablePodsForNode(t *testing.T) {
rc1 := apiv1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{
Name: "rc1",
Namespace: "default",
SelfLink: testapi.Default.SelfLink("replicationcontrollers", "rc"),
UID: "12345678-1234-1234-1234-123456789012",
},
}
rc2 := apiv1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{
Name: "rc2",
Namespace: "default",
SelfLink: testapi.Default.SelfLink("replicationcontrollers", "rc"),
UID: "12345678-1234-1234-1234-12345678901a",
},
}
p1 := BuildTestPod("p1", 1500, 200000)
p2_1 := BuildTestPod("p2_2", 3000, 200000)
p2_1.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
p2_2 := BuildTestPod("p2_2", 3000, 200000)
p2_2.OwnerReferences = GenerateOwnerReferences(rc1.Name, "ReplicationController", "extensions/v1beta1", rc1.UID)
p3_1 := BuildTestPod("p3", 100, 200000)
p3_1.OwnerReferences = GenerateOwnerReferences(rc2.Name, "ReplicationController", "extensions/v1beta1", rc2.UID)
p3_2 := BuildTestPod("p3", 100, 200000)
p3_2.OwnerReferences = GenerateOwnerReferences(rc2.Name, "ReplicationController", "extensions/v1beta1", rc2.UID)
unschedulablePods := []*apiv1.Pod{p1, p2_1, p2_2, p3_1, p3_2}
tn := BuildTestNode("T1-abc", 2000, 2000000)
SetNodeReadyState(tn, true, time.Time{})
tni := schedulercache.NewNodeInfo()
tni.SetNode(tn)
context := &context.AutoscalingContext{
PredicateChecker: simulator.NewTestPredicateChecker(),
}
res := FilterSchedulablePodsForNode(context, unschedulablePods, "T1-abc", tni)
assert.Equal(t, 3, len(res))
assert.Equal(t, p1, res[0])
assert.Equal(t, p3_1, res[1])
assert.Equal(t, p3_2, res[2])
}
func TestGetNodeInfosForGroups(t *testing.T) {
n1 := BuildTestNode("n1", 100, 1000)
SetNodeReadyState(n1, true, time.Now())
n2 := BuildTestNode("n2", 1000, 1000)
SetNodeReadyState(n2, true, time.Now())
n3 := BuildTestNode("n3", 1000, 1000)
SetNodeReadyState(n3, false, time.Now())
n4 := BuildTestNode("n4", 1000, 1000)
SetNodeReadyState(n4, false, time.Now())
p1 := BuildTestPod("p1", 80, 0)
p2 := BuildTestPod("p2", 800, 0)
p3 := BuildTestPod("p3", 800, 0)
p1.Spec.NodeName = "n1"
p2.Spec.NodeName = "n2"
p3.Spec.NodeName = "n4"
tn := BuildTestNode("T1-abc", 4000, 1000000)
tni := schedulercache.NewNodeInfo()
tni.SetNode(tn)
// Cloud provider with TemplateNodeInfo implemented.
provider1 := testprovider.NewTestAutoprovisioningCloudProvider(nil, nil,
nil, nil,
nil, map[string]*schedulercache.NodeInfo{"n3": tni, "n4": tni})
provider1.AddNodeGroup("n1", 1, 10, 1) // Nodegroup with ready node.
provider1.AddNodeGroup("n2", 1, 10, 1) // Nodegroup with ready and unready node.
provider1.AddNodeGroup("n3", 1, 10, 1) // Nodegroup with unready node.
provider1.AddNodeGroup("n4", 0, 1000, 0) // Nodegroup without nodes.
provider1.AddNode("n1", n1)
provider1.AddNode("n2", n2)
provider1.AddNode("n2", n3)
provider1.AddNode("n3", n4)
// Cloud provider with TemplateNodeInfo not implemented.
provider2 := testprovider.NewTestAutoprovisioningCloudProvider(nil, nil,
nil, nil,
nil, nil)
provider2.AddNodeGroup("n5", 1, 10, 1) // Nodegroup without nodes.
fakeClient := &fake.Clientset{}
fakeClient.Fake.AddReactor("list", "pods", func(action core.Action) (bool, runtime.Object, error) {
return true, &apiv1.PodList{Items: []apiv1.Pod{}}, nil
})
predicateChecker := simulator.NewTestPredicateChecker()
res, err := GetNodeInfosForGroups([]*apiv1.Node{n1, n2, n3, n4}, provider1, fakeClient,
[]*extensionsv1.DaemonSet{}, predicateChecker)
assert.NoError(t, err)
assert.Equal(t, 4, len(res))
_, found := res["n1"]
assert.True(t, found)
_, found = res["n2"]
assert.True(t, found)
_, found = res["n3"]
assert.True(t, found)
_, found = res["n4"]
assert.True(t, found)
// Test for a nodegroup without nodes and TemplateNodeInfo not implemented by cloud proivder
res, err = GetNodeInfosForGroups([]*apiv1.Node{}, provider2, fakeClient,
[]*extensionsv1.DaemonSet{}, predicateChecker)
assert.NoError(t, err)
assert.Equal(t, 0, len(res))
}
func TestRemoveOldUnregisteredNodes(t *testing.T) {
deletedNodes := make(chan string, 10)
now := time.Now()
ng1_1 := BuildTestNode("ng1-1", 1000, 1000)
ng1_1.Spec.ProviderID = "ng1-1"
ng1_2 := BuildTestNode("ng1-2", 1000, 1000)
ng1_2.Spec.ProviderID = "ng1-2"
provider := testprovider.NewTestCloudProvider(nil, func(nodegroup string, node string) error {
deletedNodes <- fmt.Sprintf("%s/%s", nodegroup, node)
return nil
})
provider.AddNodeGroup("ng1", 1, 10, 2)
provider.AddNode("ng1", ng1_1)
provider.AddNode("ng1", ng1_2)
fakeClient := &fake.Clientset{}
fakeLogRecorder, _ := utils.NewStatusMapRecorder(fakeClient, "kube-system", kube_record.NewFakeRecorder(5), false)
clusterState := clusterstate.NewClusterStateRegistry(provider, clusterstate.ClusterStateRegistryConfig{
MaxTotalUnreadyPercentage: 10,
OkTotalUnreadyCount: 1,
}, fakeLogRecorder)
err := clusterState.UpdateNodes([]*apiv1.Node{ng1_1}, now.Add(-time.Hour))
assert.NoError(t, err)
context := &context.AutoscalingContext{
AutoscalingOptions: context.AutoscalingOptions{
MaxNodeProvisionTime: 45 * time.Minute,
},
CloudProvider: provider,
}
unregisteredNodes := clusterState.GetUnregisteredNodes()
assert.Equal(t, 1, len(unregisteredNodes))
// Nothing should be removed. The unregistered node is not old enough.
removed, err := removeOldUnregisteredNodes(unregisteredNodes, context, now.Add(-50*time.Minute), fakeLogRecorder)
assert.NoError(t, err)
assert.False(t, removed)
// ng1_2 should be removed.
removed, err = removeOldUnregisteredNodes(unregisteredNodes, context, now, fakeLogRecorder)
assert.NoError(t, err)
assert.True(t, removed)
deletedNode := getStringFromChan(deletedNodes)
assert.Equal(t, "ng1/ng1-2", deletedNode)
}
func TestSanitizeNodeInfo(t *testing.T) {
pod := BuildTestPod("p1", 80, 0)
pod.Spec.NodeName = "n1"
node := BuildTestNode("node", 1000, 1000)
nodeInfo := schedulercache.NewNodeInfo(pod)
nodeInfo.SetNode(node)
res, err := sanitizeNodeInfo(nodeInfo, "test-group")
assert.NoError(t, err)
assert.Equal(t, 1, len(res.Pods()))
}
func TestSanitizeLabels(t *testing.T) {
oldNode := BuildTestNode("ng1-1", 1000, 1000)
oldNode.Labels = map[string]string{
kubeletapis.LabelHostname: "abc",
"x": "y",
}
node, err := sanitizeTemplateNode(oldNode, "bzium")
assert.NoError(t, err)
assert.NotEqual(t, node.Labels[kubeletapis.LabelHostname], "abc")
assert.Equal(t, node.Labels["x"], "y")
assert.NotEqual(t, node.Name, oldNode.Name)
assert.Equal(t, node.Labels[kubeletapis.LabelHostname], node.Name)
}
func TestSanitizeTaints(t *testing.T) {
oldNode := BuildTestNode("ng1-1", 1000, 1000)
taints := make([]apiv1.Taint, 0)
taints = append(taints, apiv1.Taint{
Key: ReschedulerTaintKey,
Value: "test1",
Effect: apiv1.TaintEffectNoSchedule,
})
taints = append(taints, apiv1.Taint{
Key: "test-taint",
Value: "test2",
Effect: apiv1.TaintEffectNoSchedule,
})
taints = append(taints, apiv1.Taint{
Key: deletetaint.ToBeDeletedTaint,
Value: "1",
Effect: apiv1.TaintEffectNoSchedule,
})
oldNode.Spec.Taints = taints
node, err := sanitizeTemplateNode(oldNode, "bzium")
assert.NoError(t, err)
assert.Equal(t, len(node.Spec.Taints), 1)
assert.Equal(t, node.Spec.Taints[0].Key, "test-taint")
}
func TestRemoveFixNodeTargetSize(t *testing.T) {
sizeChanges := make(chan string, 10)
now := time.Now()
ng1_1 := BuildTestNode("ng1-1", 1000, 1000)
ng1_1.Spec.ProviderID = "ng1-1"
provider := testprovider.NewTestCloudProvider(func(nodegroup string, delta int) error {
sizeChanges <- fmt.Sprintf("%s/%d", nodegroup, delta)
return nil
}, nil)
provider.AddNodeGroup("ng1", 1, 10, 3)
provider.AddNode("ng1", ng1_1)
fakeClient := &fake.Clientset{}
fakeLogRecorder, _ := utils.NewStatusMapRecorder(fakeClient, "kube-system", kube_record.NewFakeRecorder(5), false)
clusterState := clusterstate.NewClusterStateRegistry(provider, clusterstate.ClusterStateRegistryConfig{
MaxTotalUnreadyPercentage: 10,
OkTotalUnreadyCount: 1,
}, fakeLogRecorder)
err := clusterState.UpdateNodes([]*apiv1.Node{ng1_1}, now.Add(-time.Hour))
assert.NoError(t, err)
context := &context.AutoscalingContext{
AutoscalingOptions: context.AutoscalingOptions{
MaxNodeProvisionTime: 45 * time.Minute,
},
CloudProvider: provider,
}
// Nothing should be fixed. The incorrect size state is not old enough.
removed, err := fixNodeGroupSize(context, clusterState, now.Add(-50*time.Minute))
assert.NoError(t, err)
assert.False(t, removed)
// Node group should be decreased.
removed, err = fixNodeGroupSize(context, clusterState, now)
assert.NoError(t, err)
assert.True(t, removed)
change := getStringFromChan(sizeChanges)
assert.Equal(t, "ng1/-2", change)
}
func TestGetPotentiallyUnneededNodes(t *testing.T) {
ng1_1 := BuildTestNode("ng1-1", 1000, 1000)
ng1_2 := BuildTestNode("ng1-2", 1000, 1000)
ng2_1 := BuildTestNode("ng2-1", 1000, 1000)
noNg := BuildTestNode("no-ng", 1000, 1000)
provider := testprovider.NewTestCloudProvider(nil, nil)
provider.AddNodeGroup("ng1", 1, 10, 2)
provider.AddNodeGroup("ng2", 1, 10, 1)
provider.AddNode("ng1", ng1_1)
provider.AddNode("ng1", ng1_2)
provider.AddNode("ng2", ng2_1)
context := &context.AutoscalingContext{
CloudProvider: provider,
}
result := getPotentiallyUnneededNodes(context, []*apiv1.Node{ng1_1, ng1_2, ng2_1, noNg})
assert.Equal(t, 2, len(result))
ok1 := result[0].Name == "ng1-1" && result[1].Name == "ng1-2"
ok2 := result[1].Name == "ng1-1" && result[0].Name == "ng1-2"
assert.True(t, ok1 || ok2)
}
func TestConfigurePredicateCheckerForLoop(t *testing.T) {
testCases := []struct {
affinity *apiv1.Affinity
predicateEnabled bool
}{
{
&apiv1.Affinity{
PodAffinity: &apiv1.PodAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: []apiv1.PodAffinityTerm{
{},
},
},
}, true},
{
&apiv1.Affinity{
PodAffinity: &apiv1.PodAffinity{
PreferredDuringSchedulingIgnoredDuringExecution: []apiv1.WeightedPodAffinityTerm{
{},
},
},
}, false},
{
&apiv1.Affinity{
PodAntiAffinity: &apiv1.PodAntiAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: []apiv1.PodAffinityTerm{
{},
},
},
}, true},
{
&apiv1.Affinity{
PodAntiAffinity: &apiv1.PodAntiAffinity{
PreferredDuringSchedulingIgnoredDuringExecution: []apiv1.WeightedPodAffinityTerm{
{},
},
},
}, false},
{
&apiv1.Affinity{
NodeAffinity: &apiv1.NodeAffinity{},
}, false},
}
for _, tc := range testCases {
p := BuildTestPod("p", 500, 1000)
p.Spec.Affinity = tc.affinity
predicateChecker := simulator.NewTestPredicateChecker()
predicateChecker.SetAffinityPredicateEnabled(false)
ConfigurePredicateCheckerForLoop([]*apiv1.Pod{p}, []*apiv1.Pod{}, predicateChecker)
assert.Equal(t, tc.predicateEnabled, predicateChecker.IsAffinityPredicateEnabled())
}
}
func TestGetNodeResource(t *testing.T) {
node := BuildTestNode("n1", 1000, 2*MB)
cores := getNodeResource(node, apiv1.ResourceCPU)
assert.Equal(t, int64(1), cores)
memory := getNodeResource(node, apiv1.ResourceMemory)
assert.Equal(t, int64(2*MB), memory)
unknownResourceValue := getNodeResource(node, "unknown resource")
assert.Equal(t, int64(0), unknownResourceValue)
// if we have no resources in capacity we expect getNodeResource to return 0
nodeWithMissingCapacity := BuildTestNode("n1", 1000, 2*MB)
nodeWithMissingCapacity.Status.Capacity = apiv1.ResourceList{}
cores = getNodeResource(nodeWithMissingCapacity, apiv1.ResourceCPU)
assert.Equal(t, int64(0), cores)
memory = getNodeResource(nodeWithMissingCapacity, apiv1.ResourceMemory)
assert.Equal(t, int64(0), memory)
// if we have negative values in resources we expect getNodeResource to return 0
nodeWithNegativeCapacity := BuildTestNode("n1", -1000, -2*MB)
nodeWithNegativeCapacity.Status.Capacity = apiv1.ResourceList{}
cores = getNodeResource(nodeWithNegativeCapacity, apiv1.ResourceCPU)
assert.Equal(t, int64(0), cores)
memory = getNodeResource(nodeWithNegativeCapacity, apiv1.ResourceMemory)
assert.Equal(t, int64(0), memory)
}
func TestGetNodeCoresAndMemory(t *testing.T) {
node := BuildTestNode("n1", 2000, 2048*MB)
cores, memory := getNodeCoresAndMemory(node)
assert.Equal(t, int64(2), cores)
assert.Equal(t, int64(2048*MB), memory)
// if we have no cpu/memory defined in capacity we expect getNodeCoresAndMemory to return 0s
nodeWithMissingCapacity := BuildTestNode("n1", 1000, 2*MB)
nodeWithMissingCapacity.Status.Capacity = apiv1.ResourceList{}
cores, memory = getNodeCoresAndMemory(nodeWithMissingCapacity)
assert.Equal(t, int64(0), cores)
assert.Equal(t, int64(0), memory)
}
func TestGetOldestPod(t *testing.T) {
p1 := BuildTestPod("p1", 500, 1000)
p1.CreationTimestamp = metav1.NewTime(time.Now().Add(-1 * time.Minute))
p2 := BuildTestPod("p2", 500, 1000)
p2.CreationTimestamp = metav1.NewTime(time.Now().Add(+1 * time.Minute))
p3 := BuildTestPod("p3", 500, 1000)
p3.CreationTimestamp = metav1.NewTime(time.Now())
assert.Equal(t, p1.CreationTimestamp.Time, getOldestCreateTime([]*apiv1.Pod{p1, p2, p3}))
assert.Equal(t, p1.CreationTimestamp.Time, getOldestCreateTime([]*apiv1.Pod{p3, p2, p1}))
}