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add a function that returns default scheduler configuration

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This commit is contained in:
Abdullah Gharaibeh 2021-06-23 19:33:05 -04:00
parent 6dd9deea3d
commit b6a317aeaf
3 changed files with 50 additions and 25 deletions
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23
cmd/kube-scheduler/app/options/options.go
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@ -38,14 +38,12 @@ import (
cliflag "k8s.io/component-base/cli/flag"
componentbaseconfig "k8s.io/component-base/config"
"k8s.io/component-base/config/options"
configv1alpha1 "k8s.io/component-base/config/v1alpha1"
"k8s.io/component-base/logs"
"k8s.io/component-base/metrics"
configv1beta2 "k8s.io/kube-scheduler/config/v1beta2"
schedulerappconfig "k8s.io/kubernetes/cmd/kube-scheduler/app/config"
"k8s.io/kubernetes/pkg/scheduler"
kubeschedulerconfig "k8s.io/kubernetes/pkg/scheduler/apis/config"
kubeschedulerscheme "k8s.io/kubernetes/pkg/scheduler/apis/config/scheme"
"k8s.io/kubernetes/pkg/scheduler/apis/config/latest"
"k8s.io/kubernetes/pkg/scheduler/apis/config/validation"
)
@ -73,7 +71,7 @@ type Options struct {
// NewOptions returns default scheduler app options.
func NewOptions() (*Options, error) {
cfg, err := newDefaultComponentConfig()
cfg, err := latest.Default()
if err != nil {
return nil, err
}
@ -130,23 +128,6 @@ func splitHostIntPort(s string) (string, int, error) {
return host, portInt, err
}
func newDefaultComponentConfig() (*kubeschedulerconfig.KubeSchedulerConfiguration, error) {
versionedCfg := configv1beta2.KubeSchedulerConfiguration{}
versionedCfg.DebuggingConfiguration = *configv1alpha1.NewRecommendedDebuggingConfiguration()
kubeschedulerscheme.Scheme.Default(&versionedCfg)
cfg := kubeschedulerconfig.KubeSchedulerConfiguration{}
if err := kubeschedulerscheme.Scheme.Convert(&versionedCfg, &cfg, nil); err != nil {
return nil, err
}
// We don't set this field in pkg/scheduler/apis/config/{version}/conversion.go
// because the field will be cleared later by API machinery during
// conversion. See KubeSchedulerConfiguration internal type definition for
// more details.
cfg.TypeMeta.APIVersion = configv1beta2.SchemeGroupVersion.String()
return &cfg, nil
}
// Flags returns flags for a specific scheduler by section name
func (o *Options) Flags() (nfs cliflag.NamedFlagSets) {
fs := nfs.FlagSet("misc")

9
cmd/kube-scheduler/app/options/options_test.go
View File

@ -38,6 +38,7 @@ import (
"k8s.io/kube-scheduler/config/v1beta1"
"k8s.io/kube-scheduler/config/v1beta2"
kubeschedulerconfig "k8s.io/kubernetes/pkg/scheduler/apis/config"
"k8s.io/kubernetes/pkg/scheduler/apis/config/latest"
configtesting "k8s.io/kubernetes/pkg/scheduler/apis/config/testing"
"k8s.io/kubernetes/pkg/scheduler/apis/config/testing/defaults"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/names"
@ -341,7 +342,7 @@ profiles:
options: &Options{
ConfigFile: configFile,
ComponentConfig: func() kubeschedulerconfig.KubeSchedulerConfiguration {
cfg, err := newDefaultComponentConfig()
cfg, err := latest.Default()
if err != nil {
t.Fatal(err)
}
@ -490,7 +491,7 @@ profiles:
options: &Options{
ConfigFile: oldConfigFile,
ComponentConfig: func() kubeschedulerconfig.KubeSchedulerConfiguration {
cfg, err := newDefaultComponentConfig()
cfg, err := latest.Default()
if err != nil {
t.Fatal(err)
}
@ -520,7 +521,7 @@ profiles:
name: "kubeconfig flag",
options: &Options{
ComponentConfig: func() kubeschedulerconfig.KubeSchedulerConfiguration {
cfg, _ := newDefaultComponentConfig()
cfg, _ := latest.Default()
cfg.ClientConnection.Kubeconfig = flagKubeconfig
return *cfg
}(),
@ -593,7 +594,7 @@ profiles:
name: "overridden master",
options: &Options{
ComponentConfig: func() kubeschedulerconfig.KubeSchedulerConfiguration {
cfg, _ := newDefaultComponentConfig()
cfg, _ := latest.Default()
cfg.ClientConnection.Kubeconfig = flagKubeconfig
return *cfg
}(),

43
pkg/scheduler/apis/config/latest/latest.go Normal file
View File

@ -0,0 +1,43 @@
/*
Copyright 2021 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 latest
import (
"k8s.io/component-base/config/v1alpha1"
"k8s.io/kube-scheduler/config/v1beta2"
"k8s.io/kubernetes/pkg/scheduler/apis/config"
"k8s.io/kubernetes/pkg/scheduler/apis/config/scheme"
)
// Default creates a default configuration of the latset versioned type.
// This function needs to be updated whenever we bump the scheduler's component config version.
func Default() (*config.KubeSchedulerConfiguration, error) {
versionedCfg := v1beta2.KubeSchedulerConfiguration{}
versionedCfg.DebuggingConfiguration = *v1alpha1.NewRecommendedDebuggingConfiguration()
scheme.Scheme.Default(&versionedCfg)
cfg := config.KubeSchedulerConfiguration{}
if err := scheme.Scheme.Convert(&versionedCfg, &cfg, nil); err != nil {
return nil, err
}
// We don't set this field in pkg/scheduler/apis/config/{version}/conversion.go
// because the field will be cleared later by API machinery during
// conversion. See KubeSchedulerConfiguration internal type definition for
// more details.
cfg.TypeMeta.APIVersion = v1beta2.SchemeGroupVersion.String()
return &cfg, nil
}