vendor: update buildkit to v0.19.0-rc1

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/k8s.io/client-go/discovery/aggregated_discovery.go

@@ -19,7 +19,8 @@ package discovery
 import (
 	"fmt"
 
-	apidiscovery "k8s.io/api/apidiscovery/v2beta1"
+	apidiscovery "k8s.io/api/apidiscovery/v2"
+	apidiscoveryv2beta1 "k8s.io/api/apidiscovery/v2beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 )
@@ -154,3 +155,124 @@ func convertAPISubresource(parent metav1.APIResource, in apidiscovery.APISubreso
 	result.Verbs = in.Verbs
 	return result, nil
 }
+
+// Please note the functions below will be removed in v1.33. They facilitate conversion
+// between the deprecated type apidiscoveryv2beta1.APIGroupDiscoveryList.
+
+// SplitGroupsAndResourcesV2Beta1 transforms "aggregated" discovery top-level structure into
+// the previous "unaggregated" discovery groups and resources.
+// Deprecated: Please use SplitGroupsAndResources
+func SplitGroupsAndResourcesV2Beta1(aggregatedGroups apidiscoveryv2beta1.APIGroupDiscoveryList) (
+	*metav1.APIGroupList,
+	map[schema.GroupVersion]*metav1.APIResourceList,
+	map[schema.GroupVersion]error) {
+	// Aggregated group list will contain the entirety of discovery, including
+	// groups, versions, and resources. GroupVersions marked "stale" are failed.
+	groups := []*metav1.APIGroup{}
+	failedGVs := map[schema.GroupVersion]error{}
+	resourcesByGV := map[schema.GroupVersion]*metav1.APIResourceList{}
+	for _, aggGroup := range aggregatedGroups.Items {
+		group, resources, failed := convertAPIGroupv2beta1(aggGroup)
+		groups = append(groups, group)
+		for gv, resourceList := range resources {
+			resourcesByGV[gv] = resourceList
+		}
+		for gv, err := range failed {
+			failedGVs[gv] = err
+		}
+	}
+	// Transform slice of groups to group list before returning.
+	groupList := &metav1.APIGroupList{}
+	groupList.Groups = make([]metav1.APIGroup, 0, len(groups))
+	for _, group := range groups {
+		groupList.Groups = append(groupList.Groups, *group)
+	}
+	return groupList, resourcesByGV, failedGVs
+}
+
+// convertAPIGroupv2beta1 tranforms an "aggregated" APIGroupDiscovery to an "legacy" APIGroup,
+// also returning the map of APIResourceList for resources within GroupVersions.
+func convertAPIGroupv2beta1(g apidiscoveryv2beta1.APIGroupDiscovery) (
+	*metav1.APIGroup,
+	map[schema.GroupVersion]*metav1.APIResourceList,
+	map[schema.GroupVersion]error) {
+	// Iterate through versions to convert to group and resources.
+	group := &metav1.APIGroup{}
+	gvResources := map[schema.GroupVersion]*metav1.APIResourceList{}
+	failedGVs := map[schema.GroupVersion]error{}
+	group.Name = g.ObjectMeta.Name
+	for _, v := range g.Versions {
+		gv := schema.GroupVersion{Group: g.Name, Version: v.Version}
+		if v.Freshness == apidiscoveryv2beta1.DiscoveryFreshnessStale {
+			failedGVs[gv] = StaleGroupVersionError{gv: gv}
+			continue
+		}
+		version := metav1.GroupVersionForDiscovery{}
+		version.GroupVersion = gv.String()
+		version.Version = v.Version
+		group.Versions = append(group.Versions, version)
+		// PreferredVersion is first non-stale Version
+		if group.PreferredVersion == (metav1.GroupVersionForDiscovery{}) {
+			group.PreferredVersion = version
+		}
+		resourceList := &metav1.APIResourceList{}
+		resourceList.GroupVersion = gv.String()
+		for _, r := range v.Resources {
+			resource, err := convertAPIResourcev2beta1(r)
+			if err == nil {
+				resourceList.APIResources = append(resourceList.APIResources, resource)
+			}
+			// Subresources field in new format get transformed into full APIResources.
+			// It is possible a partial result with an error was returned to be used
+			// as the parent resource for the subresource.
+			for _, subresource := range r.Subresources {
+				sr, err := convertAPISubresourcev2beta1(resource, subresource)
+				if err == nil {
+					resourceList.APIResources = append(resourceList.APIResources, sr)
+				}
+			}
+		}
+		gvResources[gv] = resourceList
+	}
+	return group, gvResources, failedGVs
+}
+
+// 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
+// discovery, and the subresource MUST have the GVK.
+func convertAPIResourcev2beta1(in apidiscoveryv2beta1.APIResourceDiscovery) (metav1.APIResource, error) {
+	result := metav1.APIResource{
+		Name:         in.Resource,
+		SingularName: in.SingularResource,
+		Namespaced:   in.Scope == apidiscoveryv2beta1.ScopeNamespace,
+		Verbs:        in.Verbs,
+		ShortNames:   in.ShortNames,
+		Categories:   in.Categories,
+	}
+	// Can return partial result with error, which can be the parent for a
+	// subresource. Do not add this result to the returned discovery resources.
+	if in.ResponseKind == nil || (*in.ResponseKind) == emptyKind {
+		return result, fmt.Errorf("discovery resource %s missing GVK", in.Resource)
+	}
+	result.Group = in.ResponseKind.Group
+	result.Version = in.ResponseKind.Version
+	result.Kind = in.ResponseKind.Kind
+	return result, nil
+}
+
+// convertAPISubresource tranforms a APISubresourceDiscovery to an APIResource.
+func convertAPISubresourcev2beta1(parent metav1.APIResource, in apidiscoveryv2beta1.APISubresourceDiscovery) (metav1.APIResource, error) {
+	result := metav1.APIResource{}
+	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)
+	result.SingularName = parent.SingularName
+	result.Namespaced = parent.Namespaced
+	result.Group = in.ResponseKind.Group
+	result.Version = in.ResponseKind.Version
+	result.Kind = in.ResponseKind.Kind
+	result.Verbs = in.Verbs
+	return result, nil
+}