/
iam.go
53 lines (44 loc) · 1.31 KB
/
iam.go
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package kubernetesiam
import (
"fmt"
"path/filepath"
"github.com/pkg/errors"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
)
func InClusterClient() (kubernetes.Interface, error) {
config, err := rest.InClusterConfig()
if err != nil {
return nil, errors.Wrap(err, "error getting in cluster config for k8s")
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, errors.Wrap(err, "error creating clientset from in cluster config for k8s")
}
return clientset, nil
}
func OutOfClusterClient() (kubernetes.Interface, error) {
kubeconfig := filepath.Join(homedir.HomeDir(), ".kube", "config")
config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
if err != nil {
return nil, errors.Wrap(err, "error getting config for out of cluster k8s")
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, errors.Wrap(err, "error creating clientset for out of cluster k8s")
}
return clientset, nil
}
func GetClient() (kubernetes.Interface, error) {
inCluster, err := InClusterClient()
if err == nil {
return inCluster, nil
}
outOfCluster, err := OutOfClusterClient()
if err == nil {
return outOfCluster, nil
}
return nil, fmt.Errorf("unable to configure kubernetes client")
}