/
conversion.go
119 lines (104 loc) · 4.34 KB
/
conversion.go
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/*
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 v1beta3
import (
"fmt"
"sync"
"k8s.io/apimachinery/pkg/conversion"
"k8s.io/apimachinery/pkg/runtime"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/kube-scheduler/config/v1beta3"
"github.com/k8stopologyawareschedwg/k8sschedulerconfig-api/pkg/scheduler/apis/config"
)
var (
// pluginArgConversionScheme is a scheme with internal and v1beta3 registered,
// used for defaulting/converting typed PluginConfig Args.
// Access via getPluginArgConversionScheme()
pluginArgConversionScheme *runtime.Scheme
initPluginArgConversionScheme sync.Once
)
func GetPluginArgConversionScheme() *runtime.Scheme {
initPluginArgConversionScheme.Do(func() {
// set up the scheme used for plugin arg conversion
pluginArgConversionScheme = runtime.NewScheme()
utilruntime.Must(AddToScheme(pluginArgConversionScheme))
utilruntime.Must(config.AddToScheme(pluginArgConversionScheme))
})
return pluginArgConversionScheme
}
func Convert_v1beta3_KubeSchedulerConfiguration_To_config_KubeSchedulerConfiguration(in *v1beta3.KubeSchedulerConfiguration, out *config.KubeSchedulerConfiguration, s conversion.Scope) error {
if err := autoConvert_v1beta3_KubeSchedulerConfiguration_To_config_KubeSchedulerConfiguration(in, out, s); err != nil {
return err
}
return convertToInternalPluginConfigArgs(out)
}
// convertToInternalPluginConfigArgs converts PluginConfig#Args into internal
// types using a scheme, after applying defaults.
func convertToInternalPluginConfigArgs(out *config.KubeSchedulerConfiguration) error {
scheme := GetPluginArgConversionScheme()
for i := range out.Profiles {
prof := &out.Profiles[i]
for j := range prof.PluginConfig {
args := prof.PluginConfig[j].Args
if args == nil {
continue
}
if _, isUnknown := args.(*runtime.Unknown); isUnknown {
continue
}
internalArgs, err := scheme.ConvertToVersion(args, config.SchemeGroupVersion)
if err != nil {
return fmt.Errorf("converting .Profiles[%d].PluginConfig[%d].Args into internal type: %w", i, j, err)
}
prof.PluginConfig[j].Args = internalArgs
}
}
return nil
}
func Convert_config_KubeSchedulerConfiguration_To_v1beta3_KubeSchedulerConfiguration(in *config.KubeSchedulerConfiguration, out *v1beta3.KubeSchedulerConfiguration, s conversion.Scope) error {
if err := autoConvert_config_KubeSchedulerConfiguration_To_v1beta3_KubeSchedulerConfiguration(in, out, s); err != nil {
return err
}
return convertToExternalPluginConfigArgs(out)
}
// convertToExternalPluginConfigArgs converts PluginConfig#Args into
// external (versioned) types using a scheme.
func convertToExternalPluginConfigArgs(out *v1beta3.KubeSchedulerConfiguration) error {
scheme := GetPluginArgConversionScheme()
for i := range out.Profiles {
for j := range out.Profiles[i].PluginConfig {
args := out.Profiles[i].PluginConfig[j].Args
if args.Object == nil {
continue
}
if _, isUnknown := args.Object.(*runtime.Unknown); isUnknown {
continue
}
externalArgs, err := scheme.ConvertToVersion(args.Object, SchemeGroupVersion)
if err != nil {
return err
}
out.Profiles[i].PluginConfig[j].Args.Object = externalArgs
}
}
return nil
}
// Convert_config_KubeSchedulerProfile_To_v1beta3_KubeSchedulerProfile called auto coversion by
// ignoring per profile PercentageOfNodesToScore.
func Convert_config_KubeSchedulerProfile_To_v1beta3_KubeSchedulerProfile(in *config.KubeSchedulerProfile, out *v1beta3.KubeSchedulerProfile, s conversion.Scope) error {
return autoConvert_config_KubeSchedulerProfile_To_v1beta3_KubeSchedulerProfile(in, out, s)
}
// Convert_config_Plugins_To_v1beta3_Plugins is an autogenerated conversion function.
func Convert_config_Plugins_To_v1beta3_Plugins(in *config.Plugins, out *v1beta3.Plugins, s conversion.Scope) error {
return autoConvert_config_Plugins_To_v1beta3_Plugins(in, out, s)
}