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Avoid returning nil responseKind in v1beta1 aggregated discovery

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Kubernetes-commit: 1876ddf71497bad349f7c4df24c2e22356d3bad9
This commit is contained in:
Jordan Liggitt 2023-08-08 14:25:56 -04:00 committed by Kubernetes Publisher
parent 49410bfbbc
commit bf44ac9180
2 changed files with 74 additions and 2 deletions
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6
discovery/aggregated_discovery.go
View File

@ -111,6 +111,8 @@ func convertAPIGroup(g apidiscovery.APIGroupDiscovery) (
return group, gvResources, failedGVs
}
var emptyKind = metav1.GroupVersionKind{}
// convertAPIResource tranforms a APIResourceDiscovery to an APIResource. We are
// resilient to missing GVK, since this resource might be the parent resource
// for a subresource. If the parent is missing a GVK, it is not returned in
@ -125,7 +127,7 @@ func convertAPIResource(in apidiscovery.APIResourceDiscovery) (metav1.APIResourc
Categories: in.Categories,
}
var err error
if in.ResponseKind != nil {
if in.ResponseKind != nil && (*in.ResponseKind) != emptyKind {
result.Group = in.ResponseKind.Group
result.Version = in.ResponseKind.Version
result.Kind = in.ResponseKind.Kind
@ -140,7 +142,7 @@ func convertAPIResource(in apidiscovery.APIResourceDiscovery) (metav1.APIResourc
// convertAPISubresource tranforms a APISubresourceDiscovery to an APIResource.
func convertAPISubresource(parent metav1.APIResource, in apidiscovery.APISubresourceDiscovery) (metav1.APIResource, error) {
result := metav1.APIResource{}
if in.ResponseKind == nil {
if in.ResponseKind == nil || (*in.ResponseKind) == emptyKind {
return result, fmt.Errorf("subresource %s/%s missing GVK", parent.Name, in.Subresource)
}
result.Name = fmt.Sprintf("%s/%s", parent.Name, in.Subresource)

70
discovery/aggregated_discovery_test.go
View File

@ -610,6 +610,76 @@ func TestSplitGroupsAndResources(t *testing.T) {
},
expectedFailedGVs: map[schema.GroupVersion]error{},
},
{
name: "Aggregated discovery with single subresource and parent empty GVK",
agg: apidiscovery.APIGroupDiscoveryList{
Items: []apidiscovery.APIGroupDiscovery{
{
ObjectMeta: metav1.ObjectMeta{
Name: "external.metrics.k8s.io",
},
Versions: []apidiscovery.APIVersionDiscovery{
{
Version: "v1beta1",
Resources: []apidiscovery.APIResourceDiscovery{
{
// resilient to empty GVK for parent
Resource: "*",
Scope: apidiscovery.ScopeNamespace,
SingularResource: "",
ResponseKind: &metav1.GroupVersionKind{},
Subresources: []apidiscovery.APISubresourceDiscovery{
{
Subresource: "other-external-metric",
ResponseKind: &metav1.GroupVersionKind{
Kind: "MetricValueList",
},
Verbs: []string{"get"},
},
},
},
},
},
},
},
},
},
expectedGroups: metav1.APIGroupList{
Groups: []metav1.APIGroup{
{
Name: "external.metrics.k8s.io",
Versions: []metav1.GroupVersionForDiscovery{
{
GroupVersion: "external.metrics.k8s.io/v1beta1",
Version: "v1beta1",
},
},
PreferredVersion: metav1.GroupVersionForDiscovery{
GroupVersion: "external.metrics.k8s.io/v1beta1",
Version: "v1beta1",
},
},
},
},
expectedGVResources: map[schema.GroupVersion]*metav1.APIResourceList{
{Group: "external.metrics.k8s.io", Version: "v1beta1"}: {
GroupVersion: "external.metrics.k8s.io/v1beta1",
APIResources: []metav1.APIResource{
// Since parent GVK was nil, it is NOT returned--only the subresource.
{
Name: "*/other-external-metric",
SingularName: "",
Namespaced: true,
Group: "",
Version: "",
Kind: "MetricValueList",
Verbs: []string{"get"},
},
},
},
},
expectedFailedGVs: map[schema.GroupVersion]error{},
},
{
name: "Aggregated discovery with multiple subresources",
agg: apidiscovery.APIGroupDiscoveryList{