[release-3.4] Images tag (#5958)

* Feat: Add pagination for listing repository tags (#683)

* feat: add pagination for listing repository tags

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* use ParseQueryParameter

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

---------

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* feat: add tags total count (#695) (#698)

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

---------

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>
Co-authored-by: Wenhao Zhou <34303854+zhou1203@users.noreply.github.com>

pkg/kapis/resources/v1alpha3/handler.go

@@ -19,6 +19,7 @@ package v1alpha3
 import (
 	"fmt"
 	"net/http"
+	"sort"
 	"strings"
 
 	"github.com/emicklei/go-restful/v3"
@@ -251,6 +252,9 @@ func (h *Handler) handleGetRepositoryTags(request *restful.Request, response *re
 	secretName := request.QueryParameter("secret")
 	namespace := request.PathParameter("namespace")
 	repository := request.QueryParameter("repository")
+
+	q := query.ParseQueryParameter(request)
+
 	var secret *v1.Secret
 
 	if len(repository) == 0 {
@@ -272,6 +276,12 @@ func (h *Handler) handleGetRepositoryTags(request *restful.Request, response *re
 		return
 	}
 
+	if !q.Ascending {
+		sort.Sort(sort.Reverse(sort.StringSlice(tags.Tags)))
+	}
+	startIndex, endIndex := q.Pagination.GetValidPagination(len(tags.Tags))
+	tags.Tags = tags.Tags[startIndex:endIndex]
+
 	response.WriteHeaderAndJson(http.StatusOK, tags, restful.MIME_JSON)
 }
 

pkg/kapis/resources/v1alpha3/register.go

@@ -141,7 +141,9 @@ func AddToContainer(c *restful.Container, informerFactory informers.InformerFact
 		Param(webservice.PathParameter("namespace", "Namespace of the image repository secret.").Required(true)).
 		Param(webservice.QueryParameter("repository", "Repository to query, e.g. calico/cni.").Required(true)).
 		Param(webservice.QueryParameter("secret", "Secret name of the image repository credential, left empty means anonymous fetch.").Required(false)).
-		Metadata(restfulspec.KeyOpenAPITags, []string{tagNamespacedResource}).
+		Param(webservice.QueryParameter(query.ParameterPage, "page").Required(false).DataFormat("page=%d").DefaultValue("page=1")).
+		Param(webservice.QueryParameter(query.ParameterLimit, "limit").Required(false)).
+		Param(webservice.QueryParameter(query.ParameterAscending, "sort parameters, e.g. reverse=true").Required(false).DefaultValue("ascending=false")).
 		Doc("List repository tags, this is an experimental API, use it by your own caution.").
 		Returns(http.StatusOK, ok, v2.RepositoryTags{}))
 

pkg/models/registries/v2/registries.go

@@ -52,6 +52,7 @@ func (r *registryer) ListRepositoryTags(src string) (RepositoryTags, error) {
 		Registry:   repo.RegistryStr(),
 		Repository: repo.RepositoryStr(),
 		Tags:       tags,
+		Total:      len(tags),
 	}, nil
 }
 

pkg/models/registries/v2/types.go

@@ -42,6 +42,7 @@ type RepositoryTags struct {
 	Registry   string   `json:"registry"`
 	Repository string   `json:"repository"`
 	Tags       []string `json:"tags"`
+	Total      int      `json:"total"`
 }
 
 // ImageConfig wraps v1.ConfigFile to avoid direct dependency