mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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539 lines
20 KiB
Go
539 lines
20 KiB
Go
/*
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Copyright 2018 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 validation
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import (
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"errors"
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"fmt"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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componentbaseconfig "k8s.io/component-base/config"
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"k8s.io/kubernetes/pkg/scheduler/apis/config"
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"k8s.io/kubernetes/pkg/scheduler/apis/config/v1beta1"
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"k8s.io/kubernetes/pkg/scheduler/apis/config/v1beta2"
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)
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func TestValidateKubeSchedulerConfiguration(t *testing.T) {
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podInitialBackoffSeconds := int64(1)
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podMaxBackoffSeconds := int64(1)
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validConfig := &config.KubeSchedulerConfiguration{
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TypeMeta: metav1.TypeMeta{
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APIVersion: v1beta2.SchemeGroupVersion.String(),
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},
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Parallelism: 8,
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HealthzBindAddress: "0.0.0.0:10254",
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MetricsBindAddress: "0.0.0.0:10254",
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ClientConnection: componentbaseconfig.ClientConnectionConfiguration{
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AcceptContentTypes: "application/json",
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ContentType: "application/json",
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QPS: 10,
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Burst: 10,
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},
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LeaderElection: componentbaseconfig.LeaderElectionConfiguration{
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ResourceLock: "configmap",
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LeaderElect: true,
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LeaseDuration: metav1.Duration{Duration: 30 * time.Second},
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RenewDeadline: metav1.Duration{Duration: 15 * time.Second},
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RetryPeriod: metav1.Duration{Duration: 5 * time.Second},
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ResourceNamespace: "name",
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ResourceName: "name",
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},
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PodInitialBackoffSeconds: podInitialBackoffSeconds,
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PodMaxBackoffSeconds: podMaxBackoffSeconds,
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PercentageOfNodesToScore: 35,
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Profiles: []config.KubeSchedulerProfile{
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{
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SchedulerName: "me",
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Plugins: &config.Plugins{
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QueueSort: config.PluginSet{
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Enabled: []config.Plugin{{Name: "CustomSort"}},
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},
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Score: config.PluginSet{
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Disabled: []config.Plugin{{Name: "*"}},
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},
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},
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PluginConfig: []config.PluginConfig{
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{
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Name: "DefaultPreemption",
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Args: &config.DefaultPreemptionArgs{MinCandidateNodesPercentage: 10, MinCandidateNodesAbsolute: 100},
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},
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},
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},
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{
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SchedulerName: "other",
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Plugins: &config.Plugins{
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QueueSort: config.PluginSet{
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Enabled: []config.Plugin{{Name: "CustomSort"}},
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},
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Bind: config.PluginSet{
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Enabled: []config.Plugin{{Name: "CustomBind"}},
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},
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},
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},
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},
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Extenders: []config.Extender{
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{
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PrioritizeVerb: "prioritize",
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Weight: 1,
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},
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},
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}
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invalidParallelismValue := validConfig.DeepCopy()
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invalidParallelismValue.Parallelism = 0
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resourceNameNotSet := validConfig.DeepCopy()
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resourceNameNotSet.LeaderElection.ResourceName = ""
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resourceNamespaceNotSet := validConfig.DeepCopy()
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resourceNamespaceNotSet.LeaderElection.ResourceNamespace = ""
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metricsBindAddrHostInvalid := validConfig.DeepCopy()
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metricsBindAddrHostInvalid.MetricsBindAddress = "0.0.0.0.0:9090"
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metricsBindAddrPortInvalid := validConfig.DeepCopy()
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metricsBindAddrPortInvalid.MetricsBindAddress = "0.0.0.0:909090"
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metricsBindAddrHostOnlyInvalid := validConfig.DeepCopy()
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metricsBindAddrHostOnlyInvalid.MetricsBindAddress = "999.999.999.999"
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healthzBindAddrHostInvalid := validConfig.DeepCopy()
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healthzBindAddrHostInvalid.HealthzBindAddress = "0.0.0.0.0:9090"
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healthzBindAddrPortInvalid := validConfig.DeepCopy()
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healthzBindAddrPortInvalid.HealthzBindAddress = "0.0.0.0:909090"
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healthzBindAddrHostOnlyInvalid := validConfig.DeepCopy()
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healthzBindAddrHostOnlyInvalid.HealthzBindAddress = "999.999.999.999"
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enableContentProfilingSetWithoutEnableProfiling := validConfig.DeepCopy()
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enableContentProfilingSetWithoutEnableProfiling.EnableProfiling = false
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enableContentProfilingSetWithoutEnableProfiling.EnableContentionProfiling = true
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percentageOfNodesToScore101 := validConfig.DeepCopy()
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percentageOfNodesToScore101.PercentageOfNodesToScore = int32(101)
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schedulerNameNotSet := validConfig.DeepCopy()
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schedulerNameNotSet.Profiles[1].SchedulerName = ""
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repeatedSchedulerName := validConfig.DeepCopy()
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repeatedSchedulerName.Profiles[0].SchedulerName = "other"
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differentQueueSort := validConfig.DeepCopy()
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differentQueueSort.Profiles[1].Plugins.QueueSort.Enabled[0].Name = "AnotherSort"
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oneEmptyQueueSort := validConfig.DeepCopy()
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oneEmptyQueueSort.Profiles[0].Plugins = nil
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extenderNegativeWeight := validConfig.DeepCopy()
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extenderNegativeWeight.Extenders[0].Weight = -1
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invalidNodePercentage := validConfig.DeepCopy()
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invalidNodePercentage.Profiles[0].PluginConfig = []config.PluginConfig{
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{
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Name: "DefaultPreemption",
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Args: &config.DefaultPreemptionArgs{MinCandidateNodesPercentage: 200, MinCandidateNodesAbsolute: 100},
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},
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}
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invalidPluginArgs := validConfig.DeepCopy()
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invalidPluginArgs.Profiles[0].PluginConfig = []config.PluginConfig{
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{
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Name: "DefaultPreemption",
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Args: &config.InterPodAffinityArgs{},
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},
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}
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duplicatedPluginConfig := validConfig.DeepCopy()
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duplicatedPluginConfig.Profiles[0].PluginConfig = []config.PluginConfig{
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{
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Name: "config",
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},
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{
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Name: "config",
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},
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}
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mismatchQueueSort := validConfig.DeepCopy()
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mismatchQueueSort.Profiles = []config.KubeSchedulerProfile{
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{
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SchedulerName: "me",
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Plugins: &config.Plugins{
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QueueSort: config.PluginSet{
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Enabled: []config.Plugin{{Name: "PrioritySort"}},
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},
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},
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PluginConfig: []config.PluginConfig{
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{
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Name: "PrioritySort",
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},
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},
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},
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{
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SchedulerName: "other",
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Plugins: &config.Plugins{
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QueueSort: config.PluginSet{
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Enabled: []config.Plugin{{Name: "CustomSort"}},
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},
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},
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PluginConfig: []config.PluginConfig{
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{
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Name: "CustomSort",
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},
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},
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},
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}
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extenderDuplicateManagedResource := validConfig.DeepCopy()
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extenderDuplicateManagedResource.Extenders[0].ManagedResources = []config.ExtenderManagedResource{
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{Name: "foo", IgnoredByScheduler: false},
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{Name: "foo", IgnoredByScheduler: false},
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}
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extenderDuplicateBind := validConfig.DeepCopy()
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extenderDuplicateBind.Extenders[0].BindVerb = "foo"
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extenderDuplicateBind.Extenders = append(extenderDuplicateBind.Extenders, config.Extender{
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PrioritizeVerb: "prioritize",
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BindVerb: "bar",
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})
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badRemovedPlugins1 := validConfig.DeepCopy() // default v1beta2
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badRemovedPlugins1.Profiles[0].Plugins.Score.Enabled = append(badRemovedPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "ServiceAffinity", Weight: 2})
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badRemovedPlugins2 := validConfig.DeepCopy()
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badRemovedPlugins2.APIVersion = "kubescheduler.config.k8s.io/v1beta3" // hypothetical, v1beta3 doesn't exist
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badRemovedPlugins2.Profiles[0].Plugins.Score.Enabled = append(badRemovedPlugins2.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "ServiceAffinity", Weight: 2})
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badRemovedPlugins3 := validConfig.DeepCopy() // default v1beta2
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badRemovedPlugins3.Profiles[0].Plugins.Score.Enabled = append(badRemovedPlugins3.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesMostAllocated", Weight: 2})
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goodRemovedPlugins1 := validConfig.DeepCopy() // ServiceAffinity is okay in v1beta1.
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goodRemovedPlugins1.APIVersion = v1beta1.SchemeGroupVersion.String()
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goodRemovedPlugins1.Profiles[0].Plugins.Score.Enabled = append(goodRemovedPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "ServiceAffinity", Weight: 2})
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goodRemovedPlugins2 := validConfig.DeepCopy()
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goodRemovedPlugins2.Profiles[0].Plugins.Score.Enabled = append(goodRemovedPlugins2.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "PodTopologySpread", Weight: 2})
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goodRemovedPlugins3 := validConfig.DeepCopy()
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goodRemovedPlugins3.APIVersion = v1beta1.SchemeGroupVersion.String()
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goodRemovedPlugins3.Profiles[0].Plugins.Score.Enabled = append(goodRemovedPlugins3.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesMostAllocated", Weight: 2})
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badConflictPlugins1 := validConfig.DeepCopy()
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badConflictPlugins1.APIVersion = v1beta1.SchemeGroupVersion.String()
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badConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(badConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesFit", Weight: 2})
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badConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(badConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesLeastAllocated", Weight: 2})
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badConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(badConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesMostAllocated", Weight: 2})
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badConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(badConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "RequestedToCapacityRatio", Weight: 2})
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goodConflictPlugins1 := validConfig.DeepCopy()
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goodConflictPlugins1.APIVersion = v1beta1.SchemeGroupVersion.String()
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goodConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(goodConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesLeastAllocated", Weight: 2})
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goodConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(goodConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesMostAllocated", Weight: 2})
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goodConflictPlugins1.Profiles[0].Plugins.Score.Enabled = append(goodConflictPlugins1.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "RequestedToCapacityRatio", Weight: 2})
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goodConflictPlugins2 := validConfig.DeepCopy()
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goodConflictPlugins2.APIVersion = v1beta1.SchemeGroupVersion.String()
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goodConflictPlugins2.Profiles[0].Plugins.Filter.Enabled = append(goodConflictPlugins2.Profiles[0].Plugins.Filter.Enabled, config.Plugin{Name: "NodeResourcesFit", Weight: 2})
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goodConflictPlugins2.Profiles[0].Plugins.Score.Enabled = append(goodConflictPlugins2.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesLeastAllocated", Weight: 2})
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goodConflictPlugins2.Profiles[0].Plugins.Score.Enabled = append(goodConflictPlugins2.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "NodeResourcesMostAllocated", Weight: 2})
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goodConflictPlugins2.Profiles[0].Plugins.Score.Enabled = append(goodConflictPlugins2.Profiles[0].Plugins.Score.Enabled, config.Plugin{Name: "RequestedToCapacityRatio", Weight: 2})
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scenarios := map[string]struct {
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expectedToFail bool
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config *config.KubeSchedulerConfiguration
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errorString string
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}{
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"good": {
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expectedToFail: false,
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config: validConfig,
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},
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"bad-parallelism-invalid-value": {
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expectedToFail: true,
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config: invalidParallelismValue,
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},
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"bad-resource-name-not-set": {
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expectedToFail: true,
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config: resourceNameNotSet,
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},
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"bad-resource-namespace-not-set": {
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expectedToFail: true,
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config: resourceNamespaceNotSet,
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},
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"bad-healthz-port-invalid": {
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expectedToFail: true,
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config: healthzBindAddrPortInvalid,
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},
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"bad-healthz-host-invalid": {
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expectedToFail: true,
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config: healthzBindAddrHostInvalid,
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},
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"bad-healthz-host-only-invalid": {
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expectedToFail: true,
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config: healthzBindAddrHostOnlyInvalid,
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},
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"bad-metrics-port-invalid": {
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expectedToFail: true,
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config: metricsBindAddrPortInvalid,
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},
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"bad-metrics-host-invalid": {
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expectedToFail: true,
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config: metricsBindAddrHostInvalid,
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},
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"bad-metrics-host-only-invalid": {
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expectedToFail: true,
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config: metricsBindAddrHostOnlyInvalid,
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},
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"bad-percentage-of-nodes-to-score": {
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expectedToFail: true,
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config: percentageOfNodesToScore101,
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},
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"scheduler-name-not-set": {
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expectedToFail: true,
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config: schedulerNameNotSet,
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},
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"repeated-scheduler-name": {
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expectedToFail: true,
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config: repeatedSchedulerName,
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},
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"different-queue-sort": {
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expectedToFail: true,
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config: differentQueueSort,
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},
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"one-empty-queue-sort": {
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expectedToFail: true,
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config: oneEmptyQueueSort,
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},
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"extender-negative-weight": {
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expectedToFail: true,
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config: extenderNegativeWeight,
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},
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"extender-duplicate-managed-resources": {
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expectedToFail: true,
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config: extenderDuplicateManagedResource,
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},
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"extender-duplicate-bind": {
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expectedToFail: true,
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config: extenderDuplicateBind,
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},
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"invalid-node-percentage": {
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expectedToFail: true,
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config: invalidNodePercentage,
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},
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"invalid-plugin-args": {
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expectedToFail: true,
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config: invalidPluginArgs,
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},
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"duplicated-plugin-config": {
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expectedToFail: true,
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config: duplicatedPluginConfig,
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},
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"mismatch-queue-sort": {
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expectedToFail: true,
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config: mismatchQueueSort,
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},
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"bad-removed-plugins-1": {
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expectedToFail: true,
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config: badRemovedPlugins1,
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},
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"bad-removed-plugins-2": {
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expectedToFail: true,
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config: badRemovedPlugins2,
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},
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"bad-removed-plugins-3": {
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expectedToFail: true,
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config: badRemovedPlugins3,
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},
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"good-removed-plugins-1": {
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expectedToFail: false,
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config: goodRemovedPlugins1,
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},
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"good-removed-plugins-2": {
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expectedToFail: false,
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config: goodRemovedPlugins2,
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},
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"good-removed-plugins-3": {
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expectedToFail: false,
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config: goodRemovedPlugins3,
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},
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"bad-conflict-plugins-1": {
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expectedToFail: true,
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config: badConflictPlugins1,
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errorString: "profiles[0].plugins.score.enabled[0]: Invalid value: \"NodeResourcesFit\": was conflict with [\"NodeResourcesLeastAllocated\" \"NodeResourcesMostAllocated\" \"RequestedToCapacityRatio\"] in version \"kubescheduler.config.k8s.io/v1beta1\" (KubeSchedulerConfiguration is version \"kubescheduler.config.k8s.io/v1beta1\")",
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},
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"good-conflict-plugins-1": {
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expectedToFail: false,
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config: goodConflictPlugins1,
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},
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"good-conflict-plugins-2": {
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expectedToFail: false,
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config: goodConflictPlugins2,
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},
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}
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for name, scenario := range scenarios {
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t.Run(name, func(t *testing.T) {
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errs := ValidateKubeSchedulerConfiguration(scenario.config)
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if errs == nil && scenario.expectedToFail {
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t.Error("Unexpected success")
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}
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if errs != nil && !scenario.expectedToFail {
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t.Errorf("Unexpected failure: %+v", errs)
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}
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fmt.Println(errs)
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if errs != nil && scenario.errorString != "" && errs.Error() != scenario.errorString {
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t.Errorf("Unexpected error string\n want:\t%s\n got:\t%s", scenario.errorString, errs.Error())
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}
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})
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}
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}
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func TestValidatePolicy(t *testing.T) {
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tests := []struct {
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policy config.Policy
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expected error
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name string
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}{
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{
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name: "no weight defined in policy",
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policy: config.Policy{Priorities: []config.PriorityPolicy{{Name: "NoWeightPriority"}}},
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expected: errors.New("priority NoWeightPriority should have a positive weight applied to it or it has overflown"),
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},
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{
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name: "policy weight is not positive",
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policy: config.Policy{Priorities: []config.PriorityPolicy{{Name: "NoWeightPriority", Weight: 0}}},
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expected: errors.New("priority NoWeightPriority should have a positive weight applied to it or it has overflown"),
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},
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{
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name: "valid weight priority",
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policy: config.Policy{Priorities: []config.PriorityPolicy{{Name: "WeightPriority", Weight: 2}}},
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expected: nil,
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},
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{
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name: "invalid negative weight policy",
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policy: config.Policy{Priorities: []config.PriorityPolicy{{Name: "WeightPriority", Weight: -2}}},
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expected: errors.New("priority WeightPriority should have a positive weight applied to it or it has overflown"),
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},
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{
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name: "policy weight exceeds maximum",
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policy: config.Policy{Priorities: []config.PriorityPolicy{{Name: "WeightPriority", Weight: config.MaxWeight}}},
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expected: errors.New("priority WeightPriority should have a positive weight applied to it or it has overflown"),
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},
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{
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name: "valid weight in policy extender config",
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policy: config.Policy{Extenders: []config.Extender{{URLPrefix: "http://127.0.0.1:8081/extender", PrioritizeVerb: "prioritize", Weight: 2}}},
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expected: nil,
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},
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{
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name: "invalid negative weight in policy extender config",
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policy: config.Policy{Extenders: []config.Extender{{URLPrefix: "http://127.0.0.1:8081/extender", PrioritizeVerb: "prioritize", Weight: -2}}},
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expected: errors.New("extenders[0].weight: Invalid value: -2: must have a positive weight applied to it"),
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},
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{
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name: "valid filter verb and url prefix",
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policy: config.Policy{Extenders: []config.Extender{{URLPrefix: "http://127.0.0.1:8081/extender", FilterVerb: "filter"}}},
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expected: nil,
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},
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{
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name: "valid preemt verb and urlprefix",
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policy: config.Policy{Extenders: []config.Extender{{URLPrefix: "http://127.0.0.1:8081/extender", PreemptVerb: "preempt"}}},
|
|
expected: nil,
|
|
},
|
|
{
|
|
name: "invalid multiple extenders",
|
|
policy: config.Policy{
|
|
Extenders: []config.Extender{
|
|
{URLPrefix: "http://127.0.0.1:8081/extender", BindVerb: "bind"},
|
|
{URLPrefix: "http://127.0.0.1:8082/extender", BindVerb: "bind"},
|
|
}},
|
|
expected: errors.New("extenders: Invalid value: \"found 2 extenders implementing bind\": only one extender can implement bind"),
|
|
},
|
|
{
|
|
name: "invalid duplicate extender resource name",
|
|
policy: config.Policy{
|
|
Extenders: []config.Extender{
|
|
{URLPrefix: "http://127.0.0.1:8081/extender", ManagedResources: []config.ExtenderManagedResource{{Name: "foo.com/bar"}}},
|
|
{URLPrefix: "http://127.0.0.1:8082/extender", BindVerb: "bind", ManagedResources: []config.ExtenderManagedResource{{Name: "foo.com/bar"}}},
|
|
}},
|
|
expected: errors.New("extenders[1].managedResources[0].name: Invalid value: \"foo.com/bar\": duplicate extender managed resource name"),
|
|
},
|
|
{
|
|
name: "invalid extended resource name",
|
|
policy: config.Policy{
|
|
Extenders: []config.Extender{
|
|
{URLPrefix: "http://127.0.0.1:8081/extender", ManagedResources: []config.ExtenderManagedResource{{Name: "kubernetes.io/foo"}}},
|
|
}},
|
|
expected: errors.New("extenders[0].managedResources[0].name: Invalid value: \"kubernetes.io/foo\": is an invalid extended resource name"),
|
|
},
|
|
{
|
|
name: "invalid redeclared RequestedToCapacityRatio custom priority",
|
|
policy: config.Policy{
|
|
Priorities: []config.PriorityPolicy{
|
|
{Name: "customPriority1", Weight: 1, Argument: &config.PriorityArgument{RequestedToCapacityRatioArguments: &config.RequestedToCapacityRatioArguments{}}},
|
|
{Name: "customPriority2", Weight: 1, Argument: &config.PriorityArgument{RequestedToCapacityRatioArguments: &config.RequestedToCapacityRatioArguments{}}},
|
|
},
|
|
},
|
|
expected: errors.New("priority \"customPriority2\" redeclares custom priority \"RequestedToCapacityRatio\", from: \"customPriority1\""),
|
|
},
|
|
{
|
|
name: "different weights for LabelPreference custom priority",
|
|
policy: config.Policy{
|
|
Priorities: []config.PriorityPolicy{
|
|
{Name: "customPriority1", Weight: 1, Argument: &config.PriorityArgument{LabelPreference: &config.LabelPreference{}}},
|
|
{Name: "customPriority2", Weight: 2, Argument: &config.PriorityArgument{LabelPreference: &config.LabelPreference{}}},
|
|
},
|
|
},
|
|
expected: errors.New("LabelPreference priority \"customPriority2\" has a different weight with \"customPriority1\""),
|
|
},
|
|
{
|
|
name: "different weights for ServiceAntiAffinity custom priority",
|
|
policy: config.Policy{
|
|
Priorities: []config.PriorityPolicy{
|
|
{Name: "customPriority1", Weight: 1, Argument: &config.PriorityArgument{ServiceAntiAffinity: &config.ServiceAntiAffinity{}}},
|
|
{Name: "customPriority2", Weight: 2, Argument: &config.PriorityArgument{ServiceAntiAffinity: &config.ServiceAntiAffinity{}}},
|
|
},
|
|
},
|
|
expected: errors.New("ServiceAntiAffinity priority \"customPriority2\" has a different weight with \"customPriority1\""),
|
|
},
|
|
{
|
|
name: "invalid hardPodAffinitySymmetricWeight, above the range",
|
|
policy: config.Policy{
|
|
HardPodAffinitySymmetricWeight: 101,
|
|
},
|
|
expected: errors.New("hardPodAffinitySymmetricWeight: Invalid value: 101: not in valid range [0-100]"),
|
|
},
|
|
{
|
|
name: "invalid hardPodAffinitySymmetricWeight, below the range",
|
|
policy: config.Policy{
|
|
HardPodAffinitySymmetricWeight: -1,
|
|
},
|
|
expected: errors.New("hardPodAffinitySymmetricWeight: Invalid value: -1: not in valid range [0-100]"),
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
actual := ValidatePolicy(test.policy)
|
|
if fmt.Sprint(test.expected) != fmt.Sprint(actual) {
|
|
t.Errorf("expected: %s, actual: %s", test.expected, actual)
|
|
}
|
|
})
|
|
}
|
|
}
|