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factory_client_access.go
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/
factory_client_access.go
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/*
Copyright 2016 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.
*/
// this file contains factories with no other dependencies
package util
import (
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/cli-runtime/pkg/genericclioptions/resource"
"k8s.io/client-go/discovery"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/kubernetes/pkg/kubectl/validation"
)
type factoryImpl struct {
clientGetter genericclioptions.RESTClientGetter
}
func NewFactory(clientGetter genericclioptions.RESTClientGetter) Factory {
if clientGetter == nil {
panic("attempt to instantiate client_access_factory with nil clientGetter")
}
f := &factoryImpl{
clientGetter: clientGetter,
}
return f
}
func (f *factoryImpl) ToRESTConfig() (*restclient.Config, error) {
return f.clientGetter.ToRESTConfig()
}
func (f *factoryImpl) ToRESTMapper() (meta.RESTMapper, error) {
return f.clientGetter.ToRESTMapper()
}
func (f *factoryImpl) ToDiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
return f.clientGetter.ToDiscoveryClient()
}
func (f *factoryImpl) ToRawKubeConfigLoader() clientcmd.ClientConfig {
return f.clientGetter.ToRawKubeConfigLoader()
}
func (f *factoryImpl) KubernetesClientSet() (*kubernetes.Clientset, error) {
clientConfig, err := f.ToRESTConfig()
if err != nil {
return nil, err
}
return kubernetes.NewForConfig(clientConfig)
}
func (f *factoryImpl) DynamicClient() (dynamic.Interface, error) {
clientConfig, err := f.ToRESTConfig()
if err != nil {
return nil, err
}
return dynamic.NewForConfig(clientConfig)
}
// NewBuilder returns a new resource builder for structured api objects.
func (f *factoryImpl) NewBuilder() *resource.Builder {
return resource.NewBuilder(f.clientGetter)
}
func (f *factoryImpl) RESTClient() (*restclient.RESTClient, error) {
clientConfig, err := f.ToRESTConfig()
if err != nil {
return nil, err
}
setKubernetesDefaults(clientConfig)
return restclient.RESTClientFor(clientConfig)
}
func (f *factoryImpl) ClientForMapping(mapping *meta.RESTMapping) (resource.RESTClient, error) {
cfg, err := f.clientGetter.ToRESTConfig()
if err != nil {
return nil, err
}
if err := setKubernetesDefaults(cfg); err != nil {
return nil, err
}
gvk := mapping.GroupVersionKind
switch gvk.Group {
case corev1.GroupName:
cfg.APIPath = "/api"
default:
cfg.APIPath = "/apis"
}
gv := gvk.GroupVersion()
cfg.GroupVersion = &gv
return restclient.RESTClientFor(cfg)
}
func (f *factoryImpl) UnstructuredClientForMapping(mapping *meta.RESTMapping) (resource.RESTClient, error) {
cfg, err := f.clientGetter.ToRESTConfig()
if err != nil {
return nil, err
}
if err := restclient.SetKubernetesDefaults(cfg); err != nil {
return nil, err
}
cfg.APIPath = "/apis"
if mapping.GroupVersionKind.Group == corev1.GroupName {
cfg.APIPath = "/api"
}
gv := mapping.GroupVersionKind.GroupVersion()
cfg.ContentConfig = resource.UnstructuredPlusDefaultContentConfig()
cfg.GroupVersion = &gv
return restclient.RESTClientFor(cfg)
}
func (f *factoryImpl) Validator(validate bool) (validation.Schema, error) {
if !validate {
return validation.NullSchema{}, nil
}
return validation.ConjunctiveSchema{
validation.NoDoubleKeySchema{},
}, nil
}