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Support for running controller outside of cluster #9

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merged 1 commit into from
Oct 14, 2020
Merged

Support for running controller outside of cluster #9

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27 changes: 20 additions & 7 deletions cmd/nfs-subdir-external-provisioner/provisioner.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,14 @@ import (
"k8s.io/kubernetes/pkg/apis/core/v1/helper"

"github.com/golang/glog"
"sigs.k8s.io/sig-storage-lib-external-provisioner/controller"
"k8s.io/api/core/v1"
storage "k8s.io/api/storage/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"sigs.k8s.io/sig-storage-lib-external-provisioner/controller"
)

const (
Expand Down Expand Up @@ -161,12 +162,24 @@ func main() {
if provisionerName == "" {
glog.Fatalf("environment variable %s is not set! Please set it.", provisionerNameKey)
}

// Create an InClusterConfig and use it to create a client for the controller
// to use to communicate with Kubernetes
config, err := rest.InClusterConfig()
if err != nil {
glog.Fatalf("Failed to create config: %v", err)
kubeconfig := os.Getenv("KUBECONFIG")
var config *rest.Config
if kubeconfig != "" {
// Create an OutOfClusterConfig and use it to create a client for the controller
// to use to communicate with Kubernetes
var err error
config, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
if err != nil {
glog.Fatalf("Failed to create kubeconfig: %v", err)
}
} else {
// Create an InClusterConfig and use it to create a client for the controller
// to use to communicate with Kubernetes
var err error
config, err = rest.InClusterConfig()
if err != nil {
glog.Fatalf("Failed to create config: %v", err)
}
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
Expand Down