75 lines
2.6 KiB
Go
75 lines
2.6 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package scheduler
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import (
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"testing"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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"k8s.io/kubernetes/pkg/features"
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testutils "k8s.io/kubernetes/test/integration/util"
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)
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func TestNodeResourceLimits(t *testing.T) {
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ResourceLimitsPriorityFunction, true)()
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testCtx := initTest(t, "node-resource-limits")
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defer testutils.CleanupTest(t, testCtx)
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// Add one node
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expectedNode, err := createNode(testCtx.ClientSet, "test-node1", &v1.ResourceList{
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v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
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v1.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(2000, resource.DecimalSI),
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})
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if err != nil {
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t.Fatalf("Cannot create node: %v", err)
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}
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// Add another node with less resource
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_, err = createNode(testCtx.ClientSet, "test-node2", &v1.ResourceList{
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v1.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
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v1.ResourceCPU: *resource.NewMilliQuantity(1000, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(1000, resource.DecimalSI),
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})
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if err != nil {
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t.Fatalf("Cannot create node: %v", err)
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}
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podName := "pod-with-resource-limits"
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pod, err := runPausePod(testCtx.ClientSet, initPausePod(&pausePodConfig{
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Name: podName,
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Namespace: testCtx.NS.Name,
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Resources: &v1.ResourceRequirements{Requests: v1.ResourceList{
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v1.ResourceCPU: *resource.NewMilliQuantity(500, resource.DecimalSI),
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v1.ResourceMemory: *resource.NewQuantity(500, resource.DecimalSI)},
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},
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}))
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if err != nil {
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t.Fatalf("Error running pause pod: %v", err)
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}
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if pod.Spec.NodeName != expectedNode.Name {
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t.Errorf("pod %v got scheduled on an unexpected node: %v. Expected node: %v.", podName, pod.Spec.NodeName, expectedNode.Name)
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} else {
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t.Logf("pod %v got successfully scheduled on node %v.", podName, pod.Spec.NodeName)
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}
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}
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