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Continue moving stuff out of pkg/runtime. the schemebuilder now lives in pkg/scheme.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| Copyright 2018 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 scheme contains utilities for gradually building Schemes, | ||
| // which contain information associating Go types with Kubernetes | ||
| // groups, versions, and kinds. | ||
| // | ||
| // Each API group should define a utility function | ||
| // called AddToScheme for adding its types to a Scheme: | ||
| // | ||
| // // in package myapigroupv1... | ||
| // var ( | ||
| // SchemeGroupVersion = schema.GroupVersion{Group: "my.api.group", Version: "v1"} | ||
| // SchemeBuilder = &scheme.Builder{GroupVersion: SchemeGroupVersion} | ||
| // AddToScheme = SchemeBuilder.AddToScheme | ||
| // ) | ||
| // | ||
| // func init() { | ||
| // SchemeBuilder.Register(&MyType{}, &MyTypeList) | ||
| // } | ||
| // var ( | ||
| // scheme *runtime.Scheme = runtime.NewScheme() | ||
| // ) | ||
| // | ||
| // This also true of the built-in Kubernetes types. Then, in the entrypoint for | ||
| // your manager, assemble the scheme containing exactly the types you need. | ||
| // For instance, if our controller needs types from the core/v1 API group (e.g. Pod), | ||
| // plus types from my.api.group/v1: | ||
| // | ||
| // func init() { | ||
| // myapigroupv1.AddToScheme(scheme) | ||
| // kubernetesscheme.AddToScheme(scheme) | ||
| // } | ||
| // | ||
| // func main() { | ||
| // mgr := controllers.NewManager(controllers.GetConfigOrDie(), manager.Options{ | ||
| // Scheme: scheme, | ||
| // }) | ||
| // // ... | ||
| // } | ||
| // | ||
| package scheme | ||
|
|
||
| import ( | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| ) | ||
|
|
||
| // Builder builds a new Scheme for mapping go types to Kubernetes GroupVersionKinds. | ||
| type Builder struct { | ||
| GroupVersion schema.GroupVersion | ||
| runtime.SchemeBuilder | ||
| } | ||
|
|
||
| // Register adds one or objects to the SchemeBuilder so they can be added to a Scheme. Register mutates bld. | ||
| func (bld *Builder) Register(object ...runtime.Object) *Builder { | ||
| bld.SchemeBuilder.Register(func(scheme *runtime.Scheme) error { | ||
| scheme.AddKnownTypes(bld.GroupVersion, object...) | ||
| metav1.AddToGroupVersion(scheme, bld.GroupVersion) | ||
| return nil | ||
| }) | ||
| return bld | ||
| } | ||
|
|
||
| // RegisterAll registers all types from the Builder argument. RegisterAll mutates bld. | ||
| func (bld *Builder) RegisterAll(b *Builder) *Builder { | ||
| bld.SchemeBuilder = append(bld.SchemeBuilder, b.SchemeBuilder...) | ||
| return bld | ||
| } | ||
|
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||
| // AddToScheme adds all registered types to s. | ||
| func (bld *Builder) AddToScheme(s *runtime.Scheme) error { | ||
| return bld.SchemeBuilder.AddToScheme(s) | ||
| } | ||
|
|
||
| // Build returns a new Scheme containing the registered types. | ||
| func (bld *Builder) Build() (*runtime.Scheme, error) { | ||
| s := runtime.NewScheme() | ||
| return s, bld.AddToScheme(s) | ||
| } |
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