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Merge pull request kosmos-io#384 from OrangeBao/dev_sc
feat: supports the coexistence of multiple storage provisioning methods
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package podutils | ||
|
|
||
| import ( | ||
| "context" | ||
| "os" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/client-go/dynamic" | ||
|
|
||
| "github.com/kosmos.io/kosmos/pkg/utils" | ||
| ) | ||
|
|
||
| var VolumePathGVR = schema.GroupVersionResource{ | ||
| Version: os.Getenv("ONEWAY-VERSION"), | ||
| Group: os.Getenv("ONEWAY-GROUP"), | ||
| Resource: os.Getenv("ONEWAY-RESOURCE"), | ||
| } | ||
|
|
||
| var ( | ||
| csiDriverName = os.Getenv("ONEWAY-CSI-DRIVER-NAME") | ||
| vpAnnotationKey = os.Getenv("ONEWAY-CSI-ANNOTATION-KEY") | ||
| ) | ||
|
|
||
| func NoOneWayPVCFilter(ctx context.Context, dynamicRootClient dynamic.Interface, pvcNames []string, ns string) ([]string, error) { | ||
| if len(os.Getenv("USE-ONEWAY-STORAGE")) == 0 { | ||
| return pvcNames, nil | ||
| } | ||
| result := []string{} | ||
| for _, pvcName := range pvcNames { | ||
| f, err := IsOneWayPVCByName(ctx, dynamicRootClient, pvcName, ns) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if !f { | ||
| result = append(result, pvcName) | ||
| } | ||
| } | ||
| return result, nil | ||
| } | ||
|
|
||
| func IsOneWayPVCByName(ctx context.Context, dynamicRootClient dynamic.Interface, pvcName string, ns string) (bool, error) { | ||
| rootobj, err := dynamicRootClient.Resource(utils.GVR_PVC).Namespace(ns).Get(ctx, pvcName, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| pvcObj := &corev1.PersistentVolumeClaim{} | ||
| err = runtime.DefaultUnstructuredConverter.FromUnstructured(rootobj.Object, pvcObj) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| return IsOneWayPVC(pvcObj), nil | ||
| } | ||
|
|
||
| func IsOneWayPVC(pvc *corev1.PersistentVolumeClaim) bool { | ||
| if len(os.Getenv("USE-ONEWAY-STORAGE")) == 0 { | ||
| return false | ||
| } | ||
| anno := pvc.GetAnnotations() | ||
| if anno == nil { | ||
| return false | ||
| } | ||
| if _, ok := anno[vpAnnotationKey]; ok { | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func IsOneWayPV(pv *corev1.PersistentVolume) bool { | ||
| if len(os.Getenv("USE-ONEWAY-STORAGE")) == 0 { | ||
| return false | ||
| } | ||
| return pv.Spec.CSI != nil && pv.Spec.CSI.Driver == csiDriverName | ||
| } |