kubernetes/pkg/scheduler/algorithmprovider/registry_test.go
Kubernetes Prow Robot 4d41f4809f
Merge pull request #86890 from damemi/move-selector-spread-to-plugin
Move selector spreading priority code to plugin
2020-01-08 21:29:45 -08:00

255 lines
8.7 KiB
Go

/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package algorithmprovider
import (
"fmt"
"testing"
"github.com/google/go-cmp/cmp"
"k8s.io/apimachinery/pkg/runtime"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/kubernetes/pkg/features"
schedulerapi "k8s.io/kubernetes/pkg/scheduler/apis/config"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/defaultpodtopologyspread"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/imagelocality"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/interpodaffinity"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeaffinity"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodename"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeports"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodepreferavoidpods"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/noderesources"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeunschedulable"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodevolumelimits"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/podtopologyspread"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/tainttoleration"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/volumebinding"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/volumerestrictions"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/volumezone"
)
func TestClusterAutoscalerProvider(t *testing.T) {
hardPodAffinityWeight := int64(1)
wantConfig := &Config{
FrameworkPlugins: &schedulerapi.Plugins{
PreFilter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: noderesources.FitName},
{Name: nodeports.Name},
{Name: interpodaffinity.Name},
},
},
Filter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: nodeunschedulable.Name},
{Name: noderesources.FitName},
{Name: nodename.Name},
{Name: nodeports.Name},
{Name: nodeaffinity.Name},
{Name: volumerestrictions.Name},
{Name: tainttoleration.Name},
{Name: nodevolumelimits.EBSName},
{Name: nodevolumelimits.GCEPDName},
{Name: nodevolumelimits.CSIName},
{Name: nodevolumelimits.AzureDiskName},
{Name: volumebinding.Name},
{Name: volumezone.Name},
{Name: interpodaffinity.Name},
},
},
PostFilter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: interpodaffinity.Name},
{Name: defaultpodtopologyspread.Name},
{Name: tainttoleration.Name},
},
},
Score: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: noderesources.BalancedAllocationName, Weight: 1},
{Name: imagelocality.Name, Weight: 1},
{Name: interpodaffinity.Name, Weight: 1},
{Name: noderesources.MostAllocatedName, Weight: 1},
{Name: nodeaffinity.Name, Weight: 1},
{Name: nodepreferavoidpods.Name, Weight: 10000},
{Name: defaultpodtopologyspread.Name, Weight: 1},
{Name: tainttoleration.Name, Weight: 1},
},
},
},
FrameworkPluginConfig: []schedulerapi.PluginConfig{
{
Name: interpodaffinity.Name,
Args: runtime.Unknown{Raw: []byte(fmt.Sprintf(`{"hardPodAffinityWeight":%d}`, hardPodAffinityWeight))},
},
},
}
r := NewRegistry(hardPodAffinityWeight)
gotConfig := r[ClusterAutoscalerProvider]
if diff := cmp.Diff(wantConfig, gotConfig); diff != "" {
t.Errorf("unexpected config diff (-want, +got): %s", diff)
}
}
func TestApplyFeatureGates(t *testing.T) {
hardPodAffinityWeight := int64(1)
tests := []struct {
name string
featuresEnabled bool
wantConfig *Config
}{
{
name: "Feature gates disabled",
featuresEnabled: false,
wantConfig: &Config{
FrameworkPlugins: &schedulerapi.Plugins{
PreFilter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: noderesources.FitName},
{Name: nodeports.Name},
{Name: interpodaffinity.Name},
},
},
Filter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: nodeunschedulable.Name},
{Name: noderesources.FitName},
{Name: nodename.Name},
{Name: nodeports.Name},
{Name: nodeaffinity.Name},
{Name: volumerestrictions.Name},
{Name: tainttoleration.Name},
{Name: nodevolumelimits.EBSName},
{Name: nodevolumelimits.GCEPDName},
{Name: nodevolumelimits.CSIName},
{Name: nodevolumelimits.AzureDiskName},
{Name: volumebinding.Name},
{Name: volumezone.Name},
{Name: interpodaffinity.Name},
},
},
PostFilter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: interpodaffinity.Name},
{Name: defaultpodtopologyspread.Name},
{Name: tainttoleration.Name},
},
},
Score: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: noderesources.BalancedAllocationName, Weight: 1},
{Name: imagelocality.Name, Weight: 1},
{Name: interpodaffinity.Name, Weight: 1},
{Name: noderesources.LeastAllocatedName, Weight: 1},
{Name: nodeaffinity.Name, Weight: 1},
{Name: nodepreferavoidpods.Name, Weight: 10000},
{Name: defaultpodtopologyspread.Name, Weight: 1},
{Name: tainttoleration.Name, Weight: 1},
},
},
},
FrameworkPluginConfig: []schedulerapi.PluginConfig{
{
Name: interpodaffinity.Name,
Args: runtime.Unknown{Raw: []byte(fmt.Sprintf(`{"hardPodAffinityWeight":%d}`, hardPodAffinityWeight))},
},
},
},
},
{
name: "Feature gates enabled",
featuresEnabled: true,
wantConfig: &Config{
FrameworkPlugins: &schedulerapi.Plugins{
PreFilter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: noderesources.FitName},
{Name: nodeports.Name},
{Name: interpodaffinity.Name},
{Name: podtopologyspread.Name},
},
},
Filter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: nodeunschedulable.Name},
{Name: noderesources.FitName},
{Name: nodename.Name},
{Name: nodeports.Name},
{Name: nodeaffinity.Name},
{Name: volumerestrictions.Name},
{Name: tainttoleration.Name},
{Name: nodevolumelimits.EBSName},
{Name: nodevolumelimits.GCEPDName},
{Name: nodevolumelimits.CSIName},
{Name: nodevolumelimits.AzureDiskName},
{Name: volumebinding.Name},
{Name: volumezone.Name},
{Name: interpodaffinity.Name},
{Name: podtopologyspread.Name},
},
},
PostFilter: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: interpodaffinity.Name},
{Name: defaultpodtopologyspread.Name},
{Name: tainttoleration.Name},
{Name: podtopologyspread.Name},
{Name: noderesources.ResourceLimitsName},
},
},
Score: &schedulerapi.PluginSet{
Enabled: []schedulerapi.Plugin{
{Name: noderesources.BalancedAllocationName, Weight: 1},
{Name: imagelocality.Name, Weight: 1},
{Name: interpodaffinity.Name, Weight: 1},
{Name: noderesources.LeastAllocatedName, Weight: 1},
{Name: nodeaffinity.Name, Weight: 1},
{Name: nodepreferavoidpods.Name, Weight: 10000},
{Name: defaultpodtopologyspread.Name, Weight: 1},
{Name: tainttoleration.Name, Weight: 1},
{Name: podtopologyspread.Name, Weight: 1},
{Name: noderesources.ResourceLimitsName, Weight: 1},
},
},
},
FrameworkPluginConfig: []schedulerapi.PluginConfig{
{
Name: interpodaffinity.Name,
Args: runtime.Unknown{Raw: []byte(fmt.Sprintf(`{"hardPodAffinityWeight":%d}`, hardPodAffinityWeight))},
},
},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ResourceLimitsPriorityFunction, test.featuresEnabled)()
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.EvenPodsSpread, test.featuresEnabled)()
r := NewRegistry(hardPodAffinityWeight)
gotConfig := r[schedulerapi.SchedulerDefaultProviderName]
if diff := cmp.Diff(test.wantConfig, gotConfig); diff != "" {
t.Errorf("unexpected config diff (-want, +got): %s", diff)
}
})
}
}