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client.go
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client.go
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/*
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 client
import (
"strings"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/scheme"
_ "k8s.io/client-go/plugin/pkg/client/auth" // pull auth
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"github.com/aws/karpenter-core/pkg/apis/v1beta1"
)
func Create(kubeconfig, context string) (*kubernetes.Clientset, error) {
config, err := getConfig(kubeconfig, context)
if err != nil {
return nil, err
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, err
}
return clientset, err
}
func NodeClaims(kubeconfig, context string) (*rest.RESTClient, error) {
c, err := getConfig(kubeconfig, context)
if err != nil {
return nil, err
}
if err := v1beta1.SchemeBuilder.AddToScheme(scheme.Scheme); err != nil {
return nil, err
}
config := *c
config.ContentConfig.GroupVersion = &v1beta1.SchemeGroupVersion
config.APIPath = "/apis"
config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
config.UserAgent = rest.DefaultKubernetesUserAgent()
return rest.RESTClientFor(&config)
}
func getConfig(kubeconfig, context string) (*rest.Config, error) {
// use the current context in kubeconfig
return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{Precedence: strings.Split(kubeconfig, ":")},
&clientcmd.ConfigOverrides{CurrentContext: context}).ClientConfig()
}