【修改】k8s 配置

apps/devops/services/k8s/pvc/pvc.go

@@ -0,0 +1,92 @@
+package pvc
+
+import (
+	"context"
+	"fmt"
+
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	"pandax/apps/devops/entity/k8s"
+	k8scommon "pandax/apps/devops/services/k8s/common"
+	"pandax/apps/devops/services/k8s/dataselect"
+)
+
+// PersistentVolumeClaimList contains a list of Persistent Volume Claims in the cluster.
+type PersistentVolumeClaimList struct {
+	ListMeta k8s.ListMeta `json:"listMeta"`
+
+	// Unordered list of persistent volume claims
+	Items []PersistentVolumeClaim `json:"items"`
+}
+
+// PersistentVolumeClaim provides the simplified presentation layer view of Kubernetes Persistent Volume Claim resource.
+type PersistentVolumeClaim struct {
+	ObjectMeta   k8s.ObjectMeta                  `json:"objectMeta"`
+	TypeMeta     k8s.TypeMeta                    `json:"typeMeta"`
+	Status       string                          `json:"status"`
+	Volume       string                          `json:"volume"`
+	Capacity     v1.ResourceList                 `json:"capacity"`
+	AccessModes  []v1.PersistentVolumeAccessMode `json:"accessModes"`
+	StorageClass *string                         `json:"storageClass"`
+}
+
+// GetPersistentVolumeClaimList returns a list of all Persistent Volume Claims in the cluster.
+func GetPersistentVolumeClaimList(client kubernetes.Interface, nsQuery *k8scommon.NamespaceQuery, dsQuery *dataselect.DataSelectQuery) (*PersistentVolumeClaimList, error) {
+
+	global.Log.Info("Getting list persistent volumes claims")
+	channels := &k8scommon.ResourceChannels{
+		PersistentVolumeClaimList: k8scommon.GetPersistentVolumeClaimListChannel(client, nsQuery, 1),
+	}
+
+	return GetPersistentVolumeClaimListFromChannels(channels, nsQuery, dsQuery)
+}
+
+// GetPersistentVolumeClaimListFromChannels returns a list of all Persistent Volume Claims in the cluster
+// reading required resource list once from the channels.
+func GetPersistentVolumeClaimListFromChannels(channels *k8scommon.ResourceChannels, nsQuery *k8scommon.NamespaceQuery, dsQuery *dataselect.DataSelectQuery) (*PersistentVolumeClaimList, error) {
+
+	persistentVolumeClaims := <-channels.PersistentVolumeClaimList.List
+	err := <-channels.PersistentVolumeClaimList.Error
+	if err != nil {
+		return nil, err
+	}
+
+	return toPersistentVolumeClaimList(persistentVolumeClaims.Items, dsQuery), nil
+}
+
+func toPersistentVolumeClaim(pvc v1.PersistentVolumeClaim) PersistentVolumeClaim {
+
+	return PersistentVolumeClaim{
+		ObjectMeta:   k8s.NewObjectMeta(pvc.ObjectMeta),
+		TypeMeta:     k8s.NewTypeMeta(k8s.ResourceKindPersistentVolumeClaim),
+		Status:       string(pvc.Status.Phase),
+		Volume:       pvc.Spec.VolumeName,
+		Capacity:     pvc.Status.Capacity,
+		AccessModes:  pvc.Spec.AccessModes,
+		StorageClass: pvc.Spec.StorageClassName,
+	}
+}
+
+func toPersistentVolumeClaimList(persistentVolumeClaims []v1.PersistentVolumeClaim, dsQuery *dataselect.DataSelectQuery) *PersistentVolumeClaimList {
+
+	result := &PersistentVolumeClaimList{
+		Items:    make([]PersistentVolumeClaim, 0),
+		ListMeta: k8s.ListMeta{TotalItems: len(persistentVolumeClaims)},
+	}
+
+	pvcCells, filteredTotal := dataselect.GenericDataSelectWithFilter(toCells(persistentVolumeClaims), dsQuery)
+	persistentVolumeClaims = fromCells(pvcCells)
+	result.ListMeta = k8s.ListMeta{TotalItems: filteredTotal}
+
+	for _, item := range persistentVolumeClaims {
+		result.Items = append(result.Items, toPersistentVolumeClaim(item))
+	}
+
+	return result
+}
+
+func DeletePersistentVolumeClaim(client *kubernetes.Clientset, namespace, name string) (err error) {
+	global.Log.Info(fmt.Sprintf("Start deleting persistent volumes claims, namespace: %v, name: %v", namespace, name))
+	return client.CoreV1().PersistentVolumeClaims(namespace).Delete(context.TODO(), name, metav1.DeleteOptions{})
+}

apps/devops/services/k8s/pvc/pvc_common.go

@@ -0,0 +1,99 @@
+package pvc
+
+import (
+	"context"
+	"fmt"
+
+	api "k8s.io/api/core/v1"
+	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	client "k8s.io/client-go/kubernetes"
+	k8scommon "pandax/apps/devops/services/k8s/common"
+	"pandax/apps/devops/services/k8s/dataselect"
+	"strings"
+)
+
+// The code below allows to perform complex data section on []api.PersistentVolumeClaim
+
+type PersistentVolumeClaimCell api.PersistentVolumeClaim
+
+// GetPodPersistentVolumeClaims gets persistentvolumeclaims that are associated with this pod.
+func GetPodPersistentVolumeClaims(client client.Interface, namespace string, podName string, dsQuery *dataselect.DataSelectQuery) (*PersistentVolumeClaimList, error) {
+
+	pod, err := client.CoreV1().Pods(namespace).Get(context.TODO(), podName, metaV1.GetOptions{})
+	if err != nil {
+		return nil, err
+	}
+
+	claimNames := make([]string, 0)
+	if pod.Spec.Volumes != nil && len(pod.Spec.Volumes) > 0 {
+		for _, v := range pod.Spec.Volumes {
+			persistentVolumeClaim := v.PersistentVolumeClaim
+			if persistentVolumeClaim != nil {
+				claimNames = append(claimNames, persistentVolumeClaim.ClaimName)
+			}
+		}
+	}
+
+	if len(claimNames) > 0 {
+		channels := &k8scommon.ResourceChannels{
+			PersistentVolumeClaimList: k8scommon.GetPersistentVolumeClaimListChannel(
+				client, k8scommon.NewSameNamespaceQuery(namespace), 1),
+		}
+
+		persistentVolumeClaimList := <-channels.PersistentVolumeClaimList.List
+
+		err = <-channels.PersistentVolumeClaimList.Error
+		if err != nil {
+			return nil, err
+		}
+
+		podPersistentVolumeClaims := make([]api.PersistentVolumeClaim, 0)
+		for _, pvc := range persistentVolumeClaimList.Items {
+			for _, claimName := range claimNames {
+				if strings.Compare(claimName, pvc.Name) == 0 {
+					podPersistentVolumeClaims = append(podPersistentVolumeClaims, pvc)
+					break
+				}
+			}
+		}
+
+		global.Log.Info(fmt.Sprintf("Found %d persistentvolumeclaims related to %s pod", len(podPersistentVolumeClaims), podName))
+
+		return toPersistentVolumeClaimList(podPersistentVolumeClaims, dsQuery), nil
+	}
+
+	global.Log.Warn(fmt.Sprintf("No persistentvolumeclaims found related to %s pod", podName))
+
+	// No ClaimNames found in Pod details, return empty response.
+	return &PersistentVolumeClaimList{}, nil
+}
+
+func (self PersistentVolumeClaimCell) GetProperty(name dataselect.PropertyName) dataselect.ComparableValue {
+	switch name {
+	case dataselect.NameProperty:
+		return dataselect.StdComparableString(self.ObjectMeta.Name)
+	case dataselect.CreationTimestampProperty:
+		return dataselect.StdComparableTime(self.ObjectMeta.CreationTimestamp.Time)
+	case dataselect.NamespaceProperty:
+		return dataselect.StdComparableString(self.ObjectMeta.Namespace)
+	default:
+		// if name is not supported then just return a constant dummy value, sort will have no effect.
+		return nil
+	}
+}
+
+func toCells(std []api.PersistentVolumeClaim) []dataselect.DataCell {
+	cells := make([]dataselect.DataCell, len(std))
+	for i := range std {
+		cells[i] = PersistentVolumeClaimCell(std[i])
+	}
+	return cells
+}
+
+func fromCells(cells []dataselect.DataCell) []api.PersistentVolumeClaim {
+	std := make([]api.PersistentVolumeClaim, len(cells))
+	for i := range std {
+		std[i] = api.PersistentVolumeClaim(cells[i].(PersistentVolumeClaimCell))
+	}
+	return std
+}

apps/devops/services/k8s/pvc/pvc_detail.go

@@ -0,0 +1,35 @@
+package pvc
+
+import (
+	"context"
+	"fmt"
+	"pandax/base/global"
+
+	v1 "k8s.io/api/core/v1"
+	metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+)
+
+// PersistentVolumeClaimDetail provides the presentation layer view of Kubernetes Persistent Volume Claim resource.
+type PersistentVolumeClaimDetail struct {
+	// Extends list item structure.
+	PersistentVolumeClaim `json:",inline"`
+}
+
+// GetPersistentVolumeClaimDetail returns detailed information about a persistent volume claim
+func GetPersistentVolumeClaimDetail(client kubernetes.Interface, namespace string, name string) (*PersistentVolumeClaimDetail, error) {
+	global.Log.Info(fmt.Sprintf("Getting details of %s persistent volume claim", name))
+
+	pvc, err := client.CoreV1().PersistentVolumeClaims(namespace).Get(context.TODO(), name, metaV1.GetOptions{})
+	if err != nil {
+		return nil, err
+	}
+
+	return getPersistentVolumeClaimDetail(*pvc), nil
+}
+
+func getPersistentVolumeClaimDetail(pvc v1.PersistentVolumeClaim) *PersistentVolumeClaimDetail {
+	return &PersistentVolumeClaimDetail{
+		PersistentVolumeClaim: toPersistentVolumeClaim(pvc),
+	}
+}