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client.go
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client.go
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package k8s
import (
"k8s.io/client-go/discovery"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
// RESTConfig creates a *rest.Config for the given kubeconfig.
func RESTConfig(kubeconfig string) (*rest.Config, error) {
var config *rest.Config
var err error
if len(kubeconfig) != 0 {
// use the current context in kubeconfig
if config, err = clientcmd.BuildConfigFromFlags("", kubeconfig); err != nil {
return nil, err
}
} else {
// creates the in-cluster config
if config, err = rest.InClusterConfig(); err != nil {
return nil, err
}
}
return config, nil
}
// RESTConfigOrDie creates a *rest.Config for the given kubeconfig.
// panic if there is any error occurs.
func RESTConfigOrDie(kubeconfig string) *rest.Config {
config, err := RESTConfig(kubeconfig)
if err != nil {
panic(err)
}
return config
}
// RESTClient creates a *rest.RESTClient for the given kubeconfig.
func RESTClient(kubeconfig string) (*rest.RESTClient, error) {
config, err := RESTConfig(kubeconfig)
if err != nil {
return nil, err
}
restClient, err := rest.RESTClientFor(config)
if err != nil {
return nil, err
}
return restClient, nil
}
// RESTClientOrDie creates a *rest.RESTClient for the given kubeconfig.
// panic if there is any error occurs.
func RESTClientOrDie(kubeconfig string) *rest.RESTClient {
restClient, err := RESTClient(kubeconfig)
if err != nil {
panic(err)
}
return restClient
}
// Clientset creates a *kubernetes.Clientset for the given kubeconfig.
func Clientset(kubeconfig string) (*kubernetes.Clientset, error) {
config, err := RESTConfig(kubeconfig)
if err != nil {
return nil, err
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, err
}
return clientset, nil
}
// ClientsetOrDie creates a *kubernetes.Clientset for the given kubeconfig.
// panic if there is any error occurs.
func ClientsetOrDie(kubeconfig string) *kubernetes.Clientset {
clientset, err := Clientset(kubeconfig)
if err != nil {
panic(err)
}
return clientset
}
// DynamicClient creates a dynamic.Interface for the given kubeconfig.
func DynamicClient(kubeconfig string) (dynamic.Interface, error) {
config, err := RESTConfig(kubeconfig)
if err != nil {
return nil, err
}
dynamicClient, err := dynamic.NewForConfig(config)
if err != nil {
return nil, err
}
return dynamicClient, nil
}
// DynamicClient creates a dynamic.Interface for the given kubeconfig.
// panic if there is any error occurs.
func DynamicClientOrDie(kubeconfig string) dynamic.Interface {
dynamicClient, err := DynamicClient(kubeconfig)
if err != nil {
panic(err)
}
return dynamicClient
}
// DiscoveryClient creates a *discovery.DiscoveryClient for the given kubeconfig.
func DiscoveryClient(kubeconfig string) (*discovery.DiscoveryClient, error) {
config, err := RESTConfig(kubeconfig)
if err != nil {
return nil, err
}
discoveryClient, err := discovery.NewDiscoveryClientForConfig(config)
if err != nil {
return nil, err
}
return discoveryClient, nil
}
// DiscoveryClientOrDie creates a *discovery.DiscoveryClient for the given kubeconfig.
// panic if there is any error occurs.
func DiscoveryClientOrDie(kubeconfig string) *discovery.DiscoveryClient {
discoveryClient, err := DiscoveryClient(kubeconfig)
if err != nil {
panic(err)
}
return discoveryClient
}