forked from alibaba/kt-connect
-
Notifications
You must be signed in to change notification settings - Fork 2
/
cluster.go
43 lines (37 loc) · 1.01 KB
/
cluster.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
package util
import (
"os"
"path/filepath"
"github.com/rs/zerolog/log"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
// GetKubernetesClient ...
func GetKubernetesClient() (clientset kubernetes.Interface, config *restclient.Config, err error) {
config, err = GetKubeconfig()
if err != nil {
panic(err.Error())
}
// creates the clientset
clientset, err = kubernetes.NewForConfig(config)
return
}
// GetKubeconfig ...
func GetKubeconfig() (config *restclient.Config, err error) {
kubeconfig := filepath.Join(homeDir(), ".kube", "config")
if _, err := os.Stat(kubeconfig); os.IsNotExist(err) {
log.Info().Msg("kubeconfig not found, use InCluster Mode")
config, err := restclient.InClusterConfig()
return config, err
}
log.Info().Msg("Use OutCluster Config Mode")
config, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
return
}
func homeDir() string {
if h := os.Getenv("HOME"); h != "" {
return h
}
return os.Getenv("USERPROFILE") // windows
}