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Merge pull request #70592 from ravisantoshgudimetla/remove-resource-limits-priority

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Remove resource limits priority
This commit is contained in:
k8s-ci-robot 2018-11-02 18:02:07 -07:00 committed by GitHub
commit b36d08b810
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2 changed files with 0 additions and 79 deletions
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2
test/e2e/scheduling/BUILD
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@ -22,7 +22,6 @@ go_library(
"//pkg/apis/core:go_default_library",
"//pkg/apis/extensions:go_default_library",
"//pkg/apis/scheduling:go_default_library",
"//pkg/features:go_default_library",
"//pkg/kubelet/apis:go_default_library",
"//pkg/quota/v1/evaluator/core:go_default_library",
"//pkg/scheduler/algorithm/priorities/util:go_default_library",
@ -40,7 +39,6 @@ go_library(
"//staging/src/k8s.io/apimachinery/pkg/util/version:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/watch:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/tools/cache:go_default_library",
"//test/e2e/common:go_default_library",

77
test/e2e/scheduling/priorities.go
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@ -30,9 +30,7 @@ import (
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/uuid"
utilfeature "k8s.io/apiserver/pkg/util/feature"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/pkg/features"
priorityutil "k8s.io/kubernetes/pkg/scheduler/algorithm/priorities/util"
"k8s.io/kubernetes/test/e2e/common"
"k8s.io/kubernetes/test/e2e/framework"
@ -256,66 +254,6 @@ var _ = SIGDescribe("SchedulerPriorities [Serial]", func() {
Expect(err).NotTo(HaveOccurred())
Expect(tolePod.Spec.NodeName).To(Equal(nodeName))
})
It("Pod should be preferably scheduled to nodes which satisfy its limits", func() {
if !utilfeature.DefaultFeatureGate.Enabled(features.ResourceLimitsPriorityFunction) {
framework.Skipf("ResourceLimits Priority function is not enabled, so skipping this test")
}
var podwithLargeRequestedResource *v1.ResourceRequirements = &v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceMemory: resource.MustParse("100Mi"),
v1.ResourceCPU: resource.MustParse("100m"),
},
Limits: v1.ResourceList{
v1.ResourceMemory: resource.MustParse("3000Mi"),
v1.ResourceCPU: resource.MustParse("5000m"),
},
}
// Update one node to have large allocatable.
lastNode := nodeList.Items[len(nodeList.Items)-1]
nodeName := lastNode.Name
nodeOriginalMemory, found := lastNode.Status.Allocatable[v1.ResourceMemory]
nodeOriginalCPU, found := lastNode.Status.Allocatable[v1.ResourceCPU]
nodeOriginalCPUCapacity, found := lastNode.Status.Capacity[v1.ResourceCPU]
nodeOriginalMemoryCapacity, found := lastNode.Status.Capacity[v1.ResourceMemory]
Expect(found).To(Equal(true))
nodeOriginalMemoryVal := nodeOriginalMemory.Value()
nodeOriginalCPUVal := nodeOriginalCPU.MilliValue()
nodeOriginalMemoryCapacityVal := nodeOriginalMemoryCapacity.Value()
nodeOriginalCPUCapacityVal := nodeOriginalCPUCapacity.MilliValue()
err := updateNodeResources(cs, nodeName, int64(10737418240), int64(12000), int64(10737418240), int64(12000))
Expect(err).NotTo(HaveOccurred())
defer func() {
// Resize the node back to its original allocatable values.
if err := updateNodeResources(cs, nodeName, nodeOriginalMemoryVal, nodeOriginalCPUVal, nodeOriginalMemoryCapacityVal, nodeOriginalCPUCapacityVal); err != nil {
framework.Logf("Failed to revert node resources with %v", err)
}
// Reset the node list with its old entry.
nodeList.Items[len(nodeList.Items)-1] = lastNode
}()
// update nodeList with newNode.
newNode, err := cs.CoreV1().Nodes().Get(nodeName, metav1.GetOptions{})
if err != nil {
framework.Logf("Failed to get node", err)
}
nodeList.Items[len(nodeList.Items)-1] = *newNode
err = createBalancedPodForNodes(f, cs, ns, nodeList.Items, podRequestedResource, 0.5)
framework.ExpectNoError(err)
// After the above we should see 50% of node to be available which is 5000MiB memory, 6000m cpu for large node.
By("Create a pod with unusual large limits")
podWithLargeLimits := "with-large-limits"
pod := createPausePod(f, pausePodConfig{
Name: podWithLargeLimits,
Resources: podwithLargeRequestedResource,
})
framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
By("Pod should preferably scheduled to nodes which satisfy its limits")
// The pod should land onto large node(which has 5000MiB free) which satisfies the pod limits which is 3000MiB.
podHighLimits, err := cs.CoreV1().Pods(ns).Get(podWithLargeLimits, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(podHighLimits.Spec.NodeName).To(Equal(nodeName))
})
})
// createBalancedPodForNodes creates a pod per node that asks for enough resources to make all nodes have the same mem/cpu usage ratio.
@ -461,18 +399,3 @@ func addRandomTaitToNode(cs clientset.Interface, nodeName string) *v1.Taint {
framework.ExpectNodeHasTaint(cs, nodeName, &testTaint)
return &testTaint
}
// updateNodeResources updates the resource of given node with the given values.
func updateNodeResources(c clientset.Interface, nodeName string, memoryAllocatable, cpuAllocatable, memoryCapacity, cpuCapacity int64) error {
node, err := c.CoreV1().Nodes().Get(nodeName, metav1.GetOptions{})
framework.ExpectNoError(err)
if err != nil {
return err
}
node.Status.Capacity[v1.ResourceMemory] = *resource.NewQuantity(memoryCapacity, resource.BinarySI)
node.Status.Capacity[v1.ResourceCPU] = *resource.NewMilliQuantity(cpuCapacity, resource.DecimalSI)
node.Status.Allocatable[v1.ResourceMemory] = *resource.NewQuantity(memoryAllocatable, resource.BinarySI)
node.Status.Allocatable[v1.ResourceCPU] = *resource.NewMilliQuantity(cpuAllocatable, resource.DecimalSI)
_, err = c.CoreV1().Nodes().UpdateStatus(node)
return err
}