/
kubeconfig.go
63 lines (54 loc) · 1.38 KB
/
kubeconfig.go
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package config
import (
"os"
"path/filepath"
"github.com/blakelead/nsinjector/pkg/generated/clientset/versioned"
"k8s.io/client-go/discovery"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
)
var kubeconfig = filepath.Join(os.Getenv("HOME"), ".kube", "config")
// Clients struct regroups all necessary clients
type Clients struct {
Kube *kubernetes.Clientset
Discovery *discovery.DiscoveryClient
Dynamic dynamic.Interface
NRI *versioned.Clientset
}
// NewClients creates all clients and return them in Clients struct
func NewClients() (*Clients, error) {
config, err := clientcmd.BuildConfigFromFlags("", getConfig(kubeconfig))
if err != nil {
return nil, err
}
discoveryClient, err := discovery.NewDiscoveryClientForConfig(config)
if err != nil {
return nil, err
}
dynamicClient, err := dynamic.NewForConfig(config)
if err != nil {
return nil, err
}
kubernetesClient, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, err
}
nriClient, err := versioned.NewForConfig(config)
if err != nil {
return nil, err
}
return &Clients{
Discovery: discoveryClient,
Dynamic: dynamicClient,
Kube: kubernetesClient,
NRI: nriClient,
}, nil
}
func getConfig(kubeconfig string) string {
_, err := os.Stat(kubeconfig)
if !os.IsNotExist(err) && err == nil {
return kubeconfig
}
return ""
}