feat: K8s集群导出改为导出所有命名空间资源,去掉命名空间选择
- 后端: 新增 ExportResourcesAllNS handler (GET /:clusterCode/export),遍历所有NS收集资源 - 前端: KubernetesClusters 导出弹窗去掉命名空间输入框,一键导出全部NS - API: exportResources → exportAllResources,无需传 namespace 参数
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@@ -16,9 +16,122 @@ import (
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// yamlEntry 表示一个待打包的 YAML 资源
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type yamlEntry struct {
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folder string // tar 内子目录
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name string // 文件名(不含 .yaml)
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yaml []byte // 清理后的 YAML
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namespace string // 所属命名空间(用于 tar 内路径)
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folder string // tar 内子目录
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name string // 文件名(不含 .yaml)
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yaml []byte // 清理后的 YAML
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}
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// ExportResourcesAllNS 导出集群所有命名空间的 Deployment+Service+Ingress+ConfigMap+Secret 为 tar.gz
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func (h *KubernetesHandler) ExportResourcesAllNS(c *gin.Context) {
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clusterID := h.resolveClusterCode(c.Param("clusterCode"))
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if clusterID == 0 {
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c.JSON(500, gin.H{"code": 500, "message": "cluster not found"})
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return
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}
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client, _, err := h.getK8sClient(clusterID)
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if err != nil {
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c.JSON(500, gin.H{"code": 500, "message": err.Error()})
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return
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}
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// 获取所有命名空间
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namespaces, err := client.ListNamespaces()
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if err != nil {
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c.JSON(500, gin.H{"code": 500, "message": "list namespaces failed: " + err.Error()})
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return
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}
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// 资源类型 → API 路径模板 + 子目录名
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type resourceDef struct {
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apiPathTmpl string // %s = namespace
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folder string
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kind string
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apiVersion string
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}
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resourceDefs := []resourceDef{
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{"/apis/apps/v1/namespaces/%s/deployments", "deployments", "Deployment", "apps/v1"},
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{"/api/v1/namespaces/%s/services", "services", "Service", "v1"},
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{"/apis/networking.k8s.io/v1/namespaces/%s/ingresses", "ingresses", "Ingress", "networking.k8s.io/v1"},
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{"/api/v1/namespaces/%s/configmaps", "configmaps", "ConfigMap", "v1"},
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{"/api/v1/namespaces/%s/secrets", "secrets", "Secret", "v1"},
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}
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var entries []yamlEntry
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totalCount := 0
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for _, ns := range namespaces {
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for _, rd := range resourceDefs {
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listPath := fmt.Sprintf(rd.apiPathTmpl, ns)
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yamlBytes, err := client.GetResourceYAML(listPath)
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if err != nil {
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log.Printf("[ExportAllNS] %s/%s list failed: %v", ns, rd.folder, err)
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continue
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}
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var listObj map[string]interface{}
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if err := yaml.Unmarshal(yamlBytes, &listObj); err != nil {
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log.Printf("[ExportAllNS] %s/%s parse failed: %v", ns, rd.folder, err)
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continue
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}
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items, ok := listObj["items"].([]interface{})
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if !ok || len(items) == 0 {
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continue
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}
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for _, item := range items {
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itemMap, ok := item.(map[string]interface{})
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if !ok {
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continue
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}
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meta, _ := itemMap["metadata"].(map[string]interface{})
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name, _ := meta["name"].(string)
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if name == "" {
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continue
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}
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itemMap["apiVersion"] = rd.apiVersion
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itemMap["kind"] = rd.kind
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cleanResourceYAML(itemMap)
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cleanedBytes, err := yaml.Marshal(itemMap)
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if err != nil {
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log.Printf("[ExportAllNS] marshal %s/%s/%s failed: %v", ns, rd.folder, name, err)
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continue
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}
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entries = append(entries, yamlEntry{
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namespace: ns,
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folder: rd.folder,
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name: name,
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yaml: cleanedBytes,
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})
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totalCount++
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}
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}
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}
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if totalCount == 0 {
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c.JSON(404, gin.H{"code": 404, "message": "集群没有可导出的资源"})
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return
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}
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tarGz, err := buildTarGzAllNS(entries)
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if err != nil {
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c.JSON(500, gin.H{"code": 500, "message": "打包失败: " + err.Error()})
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return
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}
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clusterName := c.Param("clusterCode")
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filename := fmt.Sprintf("cluster-%s-%s.tar.gz", clusterName, time.Now().Format("20060102-150405"))
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c.Header("Content-Type", "application/gzip")
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c.Header("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, filename))
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c.Header("Content-Length", fmt.Sprintf("%d", len(tarGz)))
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c.Data(http.StatusOK, "application/gzip", tarGz)
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log.Printf("[ExportAllNS] exported %d resources across %d namespaces (cluster %d)", totalCount, len(namespaces), clusterID)
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}
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// ExportResourcesNS 导出指定命名空间的 Deployment + Service + Ingress + ConfigMap + Secret 为 tar.gz
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@@ -212,15 +325,48 @@ func cleanRuntimeAnnotations(annotations map[string]interface{}) {
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}
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}
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// buildTarGz 构建 tar.gz 包
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// buildTarGz 构建 tar.gz 包(单命名空间,路径: ns/folder/name.yaml)
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func buildTarGz(entries []yamlEntry, namespace string) ([]byte, error) {
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var buf bytes.Buffer
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gw := gzip.NewWriter(&buf)
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tw := tar.NewWriter(gw)
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for _, e := range entries {
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// 路径: {namespace}/{folder}/{name}.yaml
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path := fmt.Sprintf("%s/%s/%s.yaml", namespace, e.folder, e.name)
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ns := e.namespace
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if ns == "" {
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ns = namespace
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}
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path := fmt.Sprintf("%s/%s/%s.yaml", ns, e.folder, e.name)
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header := &tar.Header{
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Name: path,
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Mode: 0644,
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Size: int64(len(e.yaml)),
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}
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if err := tw.WriteHeader(header); err != nil {
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return nil, fmt.Errorf("tar write header %s: %w", path, err)
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}
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if _, err := io.Copy(tw, bytes.NewReader(e.yaml)); err != nil {
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return nil, fmt.Errorf("tar write body %s: %w", path, err)
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}
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}
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if err := tw.Close(); err != nil {
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return nil, fmt.Errorf("tar close: %w", err)
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}
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if err := gw.Close(); err != nil {
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return nil, fmt.Errorf("gzip close: %w", err)
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}
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return buf.Bytes(), nil
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}
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// buildTarGzAllNS 构建 tar.gz 包(多命名空间,路径: ns/folder/name.yaml)
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func buildTarGzAllNS(entries []yamlEntry) ([]byte, error) {
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var buf bytes.Buffer
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gw := gzip.NewWriter(&buf)
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tw := tar.NewWriter(gw)
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for _, e := range entries {
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path := fmt.Sprintf("%s/%s/%s.yaml", e.namespace, e.folder, e.name)
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header := &tar.Header{
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Name: path,
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Mode: 0644,
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@@ -398,6 +398,7 @@ func Register(r *gin.Engine, db *gorm.DB, log *zap.Logger, cfg *config.Config, c
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// 🆕 YAML Apply
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kubernetesRouter.POST("/:clusterCode/yaml/apply", k8sHandler.ApplyYAML)
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// 🆕 批量导出资源 (Deployment+Service+Ingress+ConfigMap+Secret) // Logan.Li
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kubernetesRouter.GET("/:clusterCode/export", k8sHandler.ExportResourcesAllNS)
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kubernetesRouter.GET("/:clusterCode/namespace/:namespace/export", k8sHandler.ExportResourcesNS)
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// PVC (存储)
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