643 lines
21 KiB
Go
643 lines
21 KiB
Go
/*
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Copyright 2014 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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"context"
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"errors"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/clock"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/client-go/informers"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/fake"
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"k8s.io/client-go/tools/cache"
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"k8s.io/client-go/tools/events"
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extenderv1 "k8s.io/kube-scheduler/extender/v1"
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apicore "k8s.io/kubernetes/pkg/apis/core"
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schedulerapi "k8s.io/kubernetes/pkg/scheduler/apis/config"
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"k8s.io/kubernetes/pkg/scheduler/framework"
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frameworkplugins "k8s.io/kubernetes/pkg/scheduler/framework/plugins"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/interpodaffinity"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodelabel"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/noderesources"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/podtopologyspread"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/serviceaffinity"
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frameworkruntime "k8s.io/kubernetes/pkg/scheduler/framework/runtime"
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internalcache "k8s.io/kubernetes/pkg/scheduler/internal/cache"
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internalqueue "k8s.io/kubernetes/pkg/scheduler/internal/queue"
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"k8s.io/kubernetes/pkg/scheduler/profile"
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)
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const (
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podInitialBackoffDurationSeconds = 1
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podMaxBackoffDurationSeconds = 10
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testSchedulerName = "test-scheduler"
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)
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func TestCreate(t *testing.T) {
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client := fake.NewSimpleClientset()
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stopCh := make(chan struct{})
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defer close(stopCh)
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factory := newConfigFactory(client, stopCh)
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if _, err := factory.createFromProvider(schedulerapi.SchedulerDefaultProviderName); err != nil {
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t.Error(err)
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}
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}
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// createAlgorithmSourceFromPolicy creates the schedulerAlgorithmSource from policy string
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func createAlgorithmSourceFromPolicy(configData []byte, clientSet clientset.Interface) schedulerapi.SchedulerAlgorithmSource {
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configPolicyName := "scheduler-custom-policy-config"
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policyConfigMap := v1.ConfigMap{
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TypeMeta: metav1.TypeMeta{
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{Namespace: metav1.NamespaceSystem, Name: configPolicyName},
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Data: map[string]string{schedulerapi.SchedulerPolicyConfigMapKey: string(configData)},
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}
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clientSet.CoreV1().ConfigMaps(metav1.NamespaceSystem).Create(context.TODO(), &policyConfigMap, metav1.CreateOptions{})
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return schedulerapi.SchedulerAlgorithmSource{
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Policy: &schedulerapi.SchedulerPolicySource{
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ConfigMap: &schedulerapi.SchedulerPolicyConfigMapSource{
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Namespace: policyConfigMap.Namespace,
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Name: policyConfigMap.Name,
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},
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},
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}
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}
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// TestCreateFromConfig configures a scheduler from policies defined in a configMap.
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// It combines some configurable predicate/priorities with some pre-defined ones
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func TestCreateFromConfig(t *testing.T) {
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testcases := []struct {
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name string
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configData []byte
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wantPluginConfig []schedulerapi.PluginConfig
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wantPlugins *schedulerapi.Plugins
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}{
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{
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name: "policy with unspecified predicates or priorities uses default",
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configData: []byte(`{
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"kind" : "Policy",
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"apiVersion" : "v1"
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}`),
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wantPluginConfig: []schedulerapi.PluginConfig{
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{
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Name: podtopologyspread.Name,
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Args: &schedulerapi.PodTopologySpreadArgs{DefaultingType: schedulerapi.SystemDefaulting},
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},
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},
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wantPlugins: &schedulerapi.Plugins{
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QueueSort: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "PrioritySort"}}},
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PreFilter: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "NodeResourcesFit"},
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{Name: "NodePorts"},
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{Name: "VolumeBinding"},
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{Name: "PodTopologySpread"},
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{Name: "InterPodAffinity"},
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},
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},
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Filter: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "NodeUnschedulable"},
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{Name: "NodeResourcesFit"},
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{Name: "NodeName"},
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{Name: "NodePorts"},
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{Name: "NodeAffinity"},
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{Name: "VolumeRestrictions"},
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{Name: "TaintToleration"},
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{Name: "EBSLimits"},
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{Name: "GCEPDLimits"},
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{Name: "NodeVolumeLimits"},
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{Name: "AzureDiskLimits"},
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{Name: "VolumeBinding"},
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{Name: "VolumeZone"},
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{Name: "PodTopologySpread"},
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{Name: "InterPodAffinity"},
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},
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},
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PostFilter: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "DefaultPreemption"}}},
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PreScore: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "PodTopologySpread"},
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{Name: "InterPodAffinity"},
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{Name: "TaintToleration"},
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},
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},
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Score: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "NodeResourcesBalancedAllocation", Weight: 1},
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{Name: "PodTopologySpread", Weight: 2},
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{Name: "ImageLocality", Weight: 1},
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{Name: "InterPodAffinity", Weight: 1},
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{Name: "NodeResourcesLeastAllocated", Weight: 1},
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{Name: "NodeAffinity", Weight: 1},
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{Name: "NodePreferAvoidPods", Weight: 10000},
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{Name: "TaintToleration", Weight: 1},
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},
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},
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Reserve: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "VolumeBinding"}}},
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Permit: &schedulerapi.PluginSet{},
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PreBind: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "VolumeBinding"}}},
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Bind: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "DefaultBinder"}}},
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PostBind: &schedulerapi.PluginSet{},
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},
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},
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{
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name: "policy with arguments",
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configData: []byte(`{
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"kind" : "Policy",
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"apiVersion" : "v1",
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"predicates" : [
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{"name" : "TestZoneAffinity", "argument" : {"serviceAffinity" : {"labels" : ["zone"]}}},
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{"name" : "TestZoneAffinity", "argument" : {"serviceAffinity" : {"labels" : ["foo"]}}},
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{"name" : "TestRequireZone", "argument" : {"labelsPresence" : {"labels" : ["zone"], "presence" : true}}},
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{"name" : "TestNoFooLabel", "argument" : {"labelsPresence" : {"labels" : ["foo"], "presence" : false}}}
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],
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"priorities" : [
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{"name" : "RackSpread", "weight" : 3, "argument" : {"serviceAntiAffinity" : {"label" : "rack"}}},
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{"name" : "ZoneSpread", "weight" : 3, "argument" : {"serviceAntiAffinity" : {"label" : "zone"}}},
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{
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"name": "RequestedToCapacityRatioPriority",
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"weight": 2,
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"argument": {
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"requestedToCapacityRatioArguments": {
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"shape": [
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{"utilization": 0, "score": 0},
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{"utilization": 50, "score": 7}
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]
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}
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}
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},
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{"name" : "LabelPreference1", "weight" : 3, "argument" : {"labelPreference" : {"label" : "l1", "presence": true}}},
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{"name" : "LabelPreference2", "weight" : 3, "argument" : {"labelPreference" : {"label" : "l2", "presence": false}}},
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{"name" : "NodeAffinityPriority", "weight" : 2},
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{"name" : "InterPodAffinityPriority", "weight" : 1}
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]
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}`),
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wantPluginConfig: []schedulerapi.PluginConfig{
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{
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Name: nodelabel.Name,
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Args: &schedulerapi.NodeLabelArgs{
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PresentLabels: []string{"zone"},
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AbsentLabels: []string{"foo"},
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PresentLabelsPreference: []string{"l1"},
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AbsentLabelsPreference: []string{"l2"},
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},
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},
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{
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Name: serviceaffinity.Name,
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Args: &schedulerapi.ServiceAffinityArgs{
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AffinityLabels: []string{"zone", "foo"},
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AntiAffinityLabelsPreference: []string{"rack", "zone"},
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},
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},
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{
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Name: noderesources.RequestedToCapacityRatioName,
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Args: &schedulerapi.RequestedToCapacityRatioArgs{
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Shape: []schedulerapi.UtilizationShapePoint{
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{Utilization: 0, Score: 0},
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{Utilization: 50, Score: 7},
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},
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Resources: []schedulerapi.ResourceSpec{},
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},
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},
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},
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wantPlugins: &schedulerapi.Plugins{
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QueueSort: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "PrioritySort"}}},
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PreFilter: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "ServiceAffinity"}}},
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Filter: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "NodeUnschedulable"},
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{Name: "TaintToleration"},
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{Name: "NodeLabel"},
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{Name: "ServiceAffinity"},
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},
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},
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PostFilter: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "DefaultPreemption"}}},
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PreScore: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "InterPodAffinity"}}},
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Score: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "InterPodAffinity", Weight: 1},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodeLabel", Weight: 6},
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{Name: "RequestedToCapacityRatio", Weight: 2},
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{Name: "ServiceAffinity", Weight: 6},
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},
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},
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Reserve: &schedulerapi.PluginSet{},
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Permit: &schedulerapi.PluginSet{},
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PreBind: &schedulerapi.PluginSet{},
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Bind: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "DefaultBinder"}}},
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PostBind: &schedulerapi.PluginSet{},
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},
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},
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{
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name: "policy with HardPodAffinitySymmetricWeight argument",
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configData: []byte(`{
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"kind" : "Policy",
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"apiVersion" : "v1",
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"predicates" : [
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{"name" : "TestZoneAffinity", "argument" : {"serviceAffinity" : {"labels" : ["zone"]}}},
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{"name" : "TestRequireZone", "argument" : {"labelsPresence" : {"labels" : ["zone"], "presence" : true}}},
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{"name" : "PodFitsResources"},
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{"name" : "PodFitsHostPorts"}
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],
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"priorities" : [
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{"name" : "RackSpread", "weight" : 3, "argument" : {"serviceAntiAffinity" : {"label" : "rack"}}},
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{"name" : "NodeAffinityPriority", "weight" : 2},
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{"name" : "ImageLocalityPriority", "weight" : 1},
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{"name" : "InterPodAffinityPriority", "weight" : 1}
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],
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"hardPodAffinitySymmetricWeight" : 10
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}`),
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wantPluginConfig: []schedulerapi.PluginConfig{
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{
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Name: nodelabel.Name,
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Args: &schedulerapi.NodeLabelArgs{
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PresentLabels: []string{"zone"},
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},
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},
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{
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Name: serviceaffinity.Name,
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Args: &schedulerapi.ServiceAffinityArgs{
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AffinityLabels: []string{"zone"},
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AntiAffinityLabelsPreference: []string{"rack"},
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},
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},
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{
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Name: interpodaffinity.Name,
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Args: &schedulerapi.InterPodAffinityArgs{
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HardPodAffinityWeight: 10,
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},
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},
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},
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wantPlugins: &schedulerapi.Plugins{
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QueueSort: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "PrioritySort"}}},
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PreFilter: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{
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{Name: "NodePorts"},
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{Name: "NodeResourcesFit"},
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{Name: "ServiceAffinity"},
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}},
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Filter: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "NodeUnschedulable"},
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{Name: "NodePorts"},
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{Name: "NodeResourcesFit"},
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{Name: "TaintToleration"},
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{Name: "NodeLabel"},
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{Name: "ServiceAffinity"},
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},
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},
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PostFilter: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "DefaultPreemption"}}},
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PreScore: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "InterPodAffinity"}}},
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Score: &schedulerapi.PluginSet{
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Enabled: []schedulerapi.Plugin{
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{Name: "ImageLocality", Weight: 1},
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{Name: "InterPodAffinity", Weight: 1},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "ServiceAffinity", Weight: 3},
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},
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},
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Reserve: &schedulerapi.PluginSet{},
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Permit: &schedulerapi.PluginSet{},
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PreBind: &schedulerapi.PluginSet{},
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Bind: &schedulerapi.PluginSet{Enabled: []schedulerapi.Plugin{{Name: "DefaultBinder"}}},
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PostBind: &schedulerapi.PluginSet{},
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},
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},
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}
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for _, tc := range testcases {
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t.Run(tc.name, func(t *testing.T) {
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client := fake.NewSimpleClientset()
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informerFactory := informers.NewSharedInformerFactory(client, 0)
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recorderFactory := profile.NewRecorderFactory(events.NewBroadcaster(&events.EventSinkImpl{Interface: client.EventsV1()}))
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_, err := New(
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client,
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informerFactory,
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recorderFactory,
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make(chan struct{}),
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WithAlgorithmSource(createAlgorithmSourceFromPolicy(tc.configData, client)),
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WithBuildFrameworkCapturer(func(p schedulerapi.KubeSchedulerProfile) {
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if p.SchedulerName != v1.DefaultSchedulerName {
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t.Errorf("unexpected scheduler name: want %q, got %q", v1.DefaultSchedulerName, p.SchedulerName)
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}
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if diff := cmp.Diff(tc.wantPluginConfig, p.PluginConfig); diff != "" {
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t.Errorf("unexpected plugins config diff (-want, +got): %s", diff)
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}
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if diff := cmp.Diff(tc.wantPlugins, p.Plugins); diff != "" {
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t.Errorf("unexpected plugins diff (-want, +got): %s", diff)
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}
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}),
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)
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if err != nil {
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t.Fatalf("Error constructing: %v", err)
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}
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})
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}
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}
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func TestDefaultErrorFunc(t *testing.T) {
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testPod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "test-pod", Namespace: "default"}}
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testPodUpdated := testPod.DeepCopy()
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testPodUpdated.Labels = map[string]string{"foo": ""}
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tests := []struct {
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name string
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injectErr error
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podUpdatedDuringScheduling bool // pod is updated during a scheduling cycle
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podDeletedDuringScheduling bool // pod is deleted during a scheduling cycle
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expect *v1.Pod
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}{
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{
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name: "pod is updated during a scheduling cycle",
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injectErr: nil,
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podUpdatedDuringScheduling: true,
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expect: testPodUpdated,
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},
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{
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name: "pod is not updated during a scheduling cycle",
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injectErr: nil,
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expect: testPod,
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},
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{
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name: "pod is deleted during a scheduling cycle",
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injectErr: nil,
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podDeletedDuringScheduling: true,
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expect: nil,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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stopCh := make(chan struct{})
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defer close(stopCh)
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client := fake.NewSimpleClientset(&v1.PodList{Items: []v1.Pod{*testPod}})
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informerFactory := informers.NewSharedInformerFactory(client, 0)
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podInformer := informerFactory.Core().V1().Pods()
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// Need to add/update/delete testPod to the store.
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podInformer.Informer().GetStore().Add(testPod)
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queue := internalqueue.NewPriorityQueue(nil, internalqueue.WithClock(clock.NewFakeClock(time.Now())))
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schedulerCache := internalcache.New(30*time.Second, stopCh)
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queue.Add(testPod)
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queue.Pop()
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if tt.podUpdatedDuringScheduling {
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podInformer.Informer().GetStore().Update(testPodUpdated)
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queue.Update(testPod, testPodUpdated)
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}
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if tt.podDeletedDuringScheduling {
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podInformer.Informer().GetStore().Delete(testPod)
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queue.Delete(testPod)
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}
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testPodInfo := &framework.QueuedPodInfo{Pod: testPod}
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errFunc := MakeDefaultErrorFunc(client, podInformer.Lister(), queue, schedulerCache)
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errFunc(testPodInfo, tt.injectErr)
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var got *v1.Pod
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if tt.podUpdatedDuringScheduling {
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head, e := queue.Pop()
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if e != nil {
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t.Fatalf("Cannot pop pod from the activeQ: %v", e)
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}
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got = head.Pod
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} else {
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got = getPodFromPriorityQueue(queue, testPod)
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}
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if diff := cmp.Diff(tt.expect, got); diff != "" {
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t.Errorf("Unexpected pod (-want, +got): %s", diff)
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}
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})
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}
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}
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func TestDefaultErrorFunc_NodeNotFound(t *testing.T) {
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nodeFoo := &v1.Node{ObjectMeta: metav1.ObjectMeta{Name: "foo"}}
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nodeBar := &v1.Node{ObjectMeta: metav1.ObjectMeta{Name: "bar"}}
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testPod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "test-pod", Namespace: "default"}}
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tests := []struct {
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name string
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nodes []v1.Node
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nodeNameToDelete string
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injectErr error
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expectNodeNames sets.String
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}{
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{
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name: "node is deleted during a scheduling cycle",
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nodes: []v1.Node{*nodeFoo, *nodeBar},
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nodeNameToDelete: "foo",
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injectErr: apierrors.NewNotFound(apicore.Resource("node"), nodeFoo.Name),
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expectNodeNames: sets.NewString("bar"),
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},
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{
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name: "node is not deleted but NodeNotFound is received incorrectly",
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|
nodes: []v1.Node{*nodeFoo, *nodeBar},
|
|
injectErr: apierrors.NewNotFound(apicore.Resource("node"), nodeFoo.Name),
|
|
expectNodeNames: sets.NewString("foo", "bar"),
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
stopCh := make(chan struct{})
|
|
defer close(stopCh)
|
|
|
|
client := fake.NewSimpleClientset(&v1.PodList{Items: []v1.Pod{*testPod}}, &v1.NodeList{Items: tt.nodes})
|
|
informerFactory := informers.NewSharedInformerFactory(client, 0)
|
|
podInformer := informerFactory.Core().V1().Pods()
|
|
// Need to add testPod to the store.
|
|
podInformer.Informer().GetStore().Add(testPod)
|
|
|
|
queue := internalqueue.NewPriorityQueue(nil, internalqueue.WithClock(clock.NewFakeClock(time.Now())))
|
|
schedulerCache := internalcache.New(30*time.Second, stopCh)
|
|
|
|
for i := range tt.nodes {
|
|
node := tt.nodes[i]
|
|
// Add node to schedulerCache no matter it's deleted in API server or not.
|
|
schedulerCache.AddNode(&node)
|
|
if node.Name == tt.nodeNameToDelete {
|
|
client.CoreV1().Nodes().Delete(context.TODO(), node.Name, metav1.DeleteOptions{})
|
|
}
|
|
}
|
|
|
|
testPodInfo := &framework.QueuedPodInfo{Pod: testPod}
|
|
errFunc := MakeDefaultErrorFunc(client, podInformer.Lister(), queue, schedulerCache)
|
|
errFunc(testPodInfo, tt.injectErr)
|
|
|
|
gotNodes := schedulerCache.Dump().Nodes
|
|
gotNodeNames := sets.NewString()
|
|
for _, nodeInfo := range gotNodes {
|
|
gotNodeNames.Insert(nodeInfo.Node().Name)
|
|
}
|
|
if diff := cmp.Diff(tt.expectNodeNames, gotNodeNames); diff != "" {
|
|
t.Errorf("Unexpected nodes (-want, +got): %s", diff)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// getPodFromPriorityQueue is the function used in the TestDefaultErrorFunc test to get
|
|
// the specific pod from the given priority queue. It returns the found pod in the priority queue.
|
|
func getPodFromPriorityQueue(queue *internalqueue.PriorityQueue, pod *v1.Pod) *v1.Pod {
|
|
podList := queue.PendingPods()
|
|
if len(podList) == 0 {
|
|
return nil
|
|
}
|
|
|
|
queryPodKey, err := cache.MetaNamespaceKeyFunc(pod)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
for _, foundPod := range podList {
|
|
foundPodKey, err := cache.MetaNamespaceKeyFunc(foundPod)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
|
|
if foundPodKey == queryPodKey {
|
|
return foundPod
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func newConfigFactoryWithFrameworkRegistry(
|
|
client clientset.Interface, stopCh <-chan struct{},
|
|
registry frameworkruntime.Registry) *Configurator {
|
|
informerFactory := informers.NewSharedInformerFactory(client, 0)
|
|
snapshot := internalcache.NewEmptySnapshot()
|
|
recorderFactory := profile.NewRecorderFactory(events.NewBroadcaster(&events.EventSinkImpl{Interface: client.EventsV1()}))
|
|
return &Configurator{
|
|
client: client,
|
|
informerFactory: informerFactory,
|
|
percentageOfNodesToScore: schedulerapi.DefaultPercentageOfNodesToScore,
|
|
podInitialBackoffSeconds: podInitialBackoffDurationSeconds,
|
|
podMaxBackoffSeconds: podMaxBackoffDurationSeconds,
|
|
StopEverything: stopCh,
|
|
registry: registry,
|
|
profiles: []schedulerapi.KubeSchedulerProfile{
|
|
{SchedulerName: testSchedulerName},
|
|
},
|
|
recorderFactory: recorderFactory,
|
|
nodeInfoSnapshot: snapshot,
|
|
}
|
|
}
|
|
|
|
func newConfigFactory(client clientset.Interface, stopCh <-chan struct{}) *Configurator {
|
|
return newConfigFactoryWithFrameworkRegistry(client, stopCh,
|
|
frameworkplugins.NewInTreeRegistry())
|
|
}
|
|
|
|
type fakeExtender struct {
|
|
isBinder bool
|
|
interestedPodName string
|
|
ignorable bool
|
|
gotBind bool
|
|
}
|
|
|
|
func (f *fakeExtender) Name() string {
|
|
return "fakeExtender"
|
|
}
|
|
|
|
func (f *fakeExtender) IsIgnorable() bool {
|
|
return f.ignorable
|
|
}
|
|
|
|
func (f *fakeExtender) ProcessPreemption(
|
|
_ *v1.Pod,
|
|
_ map[string]*extenderv1.Victims,
|
|
_ framework.NodeInfoLister,
|
|
) (map[string]*extenderv1.Victims, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (f *fakeExtender) SupportsPreemption() bool {
|
|
return false
|
|
}
|
|
|
|
func (f *fakeExtender) Filter(pod *v1.Pod, nodes []*v1.Node) (filteredNodes []*v1.Node, failedNodesMap extenderv1.FailedNodesMap, err error) {
|
|
return nil, nil, nil
|
|
}
|
|
|
|
func (f *fakeExtender) Prioritize(
|
|
_ *v1.Pod,
|
|
_ []*v1.Node,
|
|
) (hostPriorities *extenderv1.HostPriorityList, weight int64, err error) {
|
|
return nil, 0, nil
|
|
}
|
|
|
|
func (f *fakeExtender) Bind(binding *v1.Binding) error {
|
|
if f.isBinder {
|
|
f.gotBind = true
|
|
return nil
|
|
}
|
|
return errors.New("not a binder")
|
|
}
|
|
|
|
func (f *fakeExtender) IsBinder() bool {
|
|
return f.isBinder
|
|
}
|
|
|
|
func (f *fakeExtender) IsInterested(pod *v1.Pod) bool {
|
|
return pod != nil && pod.Name == f.interestedPodName
|
|
}
|
|
|
|
type TestPlugin struct {
|
|
name string
|
|
}
|
|
|
|
var _ framework.ScorePlugin = &TestPlugin{}
|
|
var _ framework.FilterPlugin = &TestPlugin{}
|
|
|
|
func (t *TestPlugin) Name() string {
|
|
return t.name
|
|
}
|
|
|
|
func (t *TestPlugin) Score(ctx context.Context, state *framework.CycleState, p *v1.Pod, nodeName string) (int64, *framework.Status) {
|
|
return 1, nil
|
|
}
|
|
|
|
func (t *TestPlugin) ScoreExtensions() framework.ScoreExtensions {
|
|
return nil
|
|
}
|
|
|
|
func (t *TestPlugin) Filter(ctx context.Context, state *framework.CycleState, pod *v1.Pod, nodeInfo *framework.NodeInfo) *framework.Status {
|
|
return nil
|
|
}
|