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kubeclientset.go
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/
kubeclientset.go
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package utils
import (
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
"path/filepath"
)
type InvalidSetupError struct{}
func (e *InvalidSetupError) Error() string {
return "Unable to correctly setup from configuration. Generic message - most likely something wrong with the kubeconfig."
}
func NewKubeClientSet(useInclusterConfig bool) (*kubernetes.Clientset, error) {
var cfg *rest.Config
var err error
if useInclusterConfig {
if homedir := homedir.HomeDir(); homedir != "" {
p := filepath.Join(homedir, ".kube", "config")
cfg, err = clientcmd.BuildConfigFromFlags("", p)
if err != nil {
return nil, err
}
} else {
return nil, &InvalidSetupError{}
}
} else {
cfg, err = rest.InClusterConfig()
if err != nil {
return nil, err
}
}
clientset, cerr := kubernetes.NewForConfig(cfg)
if cerr != nil {
return nil, err
}
return clientset, nil
}