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 k8s
import (
"context"
"fmt"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
)
func newInCluster() (*kubernetes.Clientset, error) {
//creates the in-cluster config
config, err := rest.InClusterConfig()
if err != nil {
return nil, fmt.Errorf("failed to get in-cluster config: %v", err)
}
// creates the clientset
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
panic(err.Error())
}
return clientset, nil
}
func GetVolumeCapacity(volumeId string) (int64, error) {
client, err := newInCluster()
if err != nil {
return 0, err
}
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
if volume, err := client.CoreV1().PersistentVolumes().Get(ctx, volumeId, metav1.GetOptions{}); err != nil {
return 0, err
} else {
storage := volume.Spec.Capacity.Storage()
capacity, _ := storage.AsInt64()
return capacity, nil
}
}
|
