DKube v1.0

service/namespace.go

@@ -0,0 +1,84 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"github.com/wonderivan/logger"
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+var Namespace namespace
+
+type namespace struct{}
+
+type NamespacesResp struct {
+	Items []corev1.Namespace `json:"items"`
+	Total int                `json:"total"`
+}
+
+func (n *namespace) GetNamespaces(filterName string, limit, page int) (namespacesResp *NamespacesResp, err error) {
+	namespaceList, err := K8s.ClientSet.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
+	if err != nil {
+		logger.Error(errors.New("获取Namespace列表失败, " + err.Error()))
+		return nil, errors.New("获取Namespace列表失败, " + err.Error())
+	}
+	selectableData := &dataSelector{
+		GenericDataList: n.toCells(namespaceList.Items),
+		DataSelect: &DataSelectQuery{
+			Filter: &FilterQuery{Name: filterName},
+			Paginate: &PaginateQuery{
+				Limit: limit,
+				Page:  page,
+			},
+		},
+	}
+
+	filtered := selectableData.Filter()
+	total := len(filtered.GenericDataList)
+	data := filtered.Sort().Paginate()
+
+	namespaces := n.fromCells(data.GenericDataList)
+
+	return &NamespacesResp{
+		Items: namespaces,
+		Total: total,
+	}, nil
+}
+
+func (n *namespace) GetNamespaceDetail(namespaceName string) (namespace *corev1.Namespace, err error) {
+	namespace, err = K8s.ClientSet.CoreV1().Namespaces().Get(context.TODO(), namespaceName, metav1.GetOptions{})
+	if err != nil {
+		logger.Error(errors.New("获取Namespace详情失败, " + err.Error()))
+		return nil, errors.New("获取Namespace详情失败, " + err.Error())
+	}
+
+	return namespace, nil
+}
+
+func (n *namespace) DeleteNamespace(namespaceName string) (err error) {
+	err = K8s.ClientSet.CoreV1().Namespaces().Delete(context.TODO(), namespaceName, metav1.DeleteOptions{})
+	if err != nil {
+		logger.Error(errors.New("删除Namespace失败, " + err.Error()))
+		return errors.New("删除Namespace失败, " + err.Error())
+	}
+
+	return nil
+}
+
+func (n *namespace) toCells(std []corev1.Namespace) []DataCell {
+	cells := make([]DataCell, len(std))
+	for i := range std {
+		cells[i] = namespaceCell(std[i])
+	}
+	return cells
+}
+
+func (n *namespace) fromCells(cells []DataCell) []corev1.Namespace {
+	namespaces := make([]corev1.Namespace, len(cells))
+	for i := range cells {
+		namespaces[i] = corev1.Namespace(cells[i].(namespaceCell))
+	}
+
+	return namespaces
+}