Bulk move from k8s.io/kubectl

vendor/k8s.io/apimachinery/pkg/api/meta/testrestmapper/test_restmapper.go

@@ -0,0 +1,171 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package testrestmapper
+
+import (
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/sets"
+)
+
+// TestOnlyStaticRESTMapper returns a union RESTMapper of all known types with priorities chosen in the following order:
+//  1. legacy kube group preferred version, extensions preferred version, metrics perferred version, legacy
+//     kube any version, extensions any version, metrics any version, all other groups alphabetical preferred version,
+//     all other groups alphabetical.
+// TODO callers of this method should be updated to build their own specific restmapper based on their scheme for their tests
+// TODO the things being tested are related to whether various cases are handled, not tied to the particular types being checked.
+func TestOnlyStaticRESTMapper(scheme *runtime.Scheme, versionPatterns ...schema.GroupVersion) meta.RESTMapper {
+	unionMapper := meta.MultiRESTMapper{}
+	unionedGroups := sets.NewString()
+	for _, enabledVersion := range scheme.PrioritizedVersionsAllGroups() {
+		if !unionedGroups.Has(enabledVersion.Group) {
+			unionedGroups.Insert(enabledVersion.Group)
+			unionMapper = append(unionMapper, newRESTMapper(enabledVersion.Group, scheme))
+		}
+	}
+
+	if len(versionPatterns) != 0 {
+		resourcePriority := []schema.GroupVersionResource{}
+		kindPriority := []schema.GroupVersionKind{}
+		for _, versionPriority := range versionPatterns {
+			resourcePriority = append(resourcePriority, versionPriority.WithResource(meta.AnyResource))
+			kindPriority = append(kindPriority, versionPriority.WithKind(meta.AnyKind))
+		}
+
+		return meta.PriorityRESTMapper{Delegate: unionMapper, ResourcePriority: resourcePriority, KindPriority: kindPriority}
+	}
+
+	prioritizedGroups := []string{"", "extensions", "metrics"}
+	resourcePriority, kindPriority := prioritiesForGroups(scheme, prioritizedGroups...)
+
+	prioritizedGroupsSet := sets.NewString(prioritizedGroups...)
+	remainingGroups := sets.String{}
+	for _, enabledVersion := range scheme.PrioritizedVersionsAllGroups() {
+		if !prioritizedGroupsSet.Has(enabledVersion.Group) {
+			remainingGroups.Insert(enabledVersion.Group)
+		}
+	}
+
+	remainingResourcePriority, remainingKindPriority := prioritiesForGroups(scheme, remainingGroups.List()...)
+	resourcePriority = append(resourcePriority, remainingResourcePriority...)
+	kindPriority = append(kindPriority, remainingKindPriority...)
+
+	return meta.PriorityRESTMapper{Delegate: unionMapper, ResourcePriority: resourcePriority, KindPriority: kindPriority}
+}
+
+// prioritiesForGroups returns the resource and kind priorities for a PriorityRESTMapper, preferring the preferred version of each group first,
+// then any non-preferred version of the group second.
+func prioritiesForGroups(scheme *runtime.Scheme, groups ...string) ([]schema.GroupVersionResource, []schema.GroupVersionKind) {
+	resourcePriority := []schema.GroupVersionResource{}
+	kindPriority := []schema.GroupVersionKind{}
+
+	for _, group := range groups {
+		availableVersions := scheme.PrioritizedVersionsForGroup(group)
+		if len(availableVersions) > 0 {
+			resourcePriority = append(resourcePriority, availableVersions[0].WithResource(meta.AnyResource))
+			kindPriority = append(kindPriority, availableVersions[0].WithKind(meta.AnyKind))
+		}
+	}
+	for _, group := range groups {
+		resourcePriority = append(resourcePriority, schema.GroupVersionResource{Group: group, Version: meta.AnyVersion, Resource: meta.AnyResource})
+		kindPriority = append(kindPriority, schema.GroupVersionKind{Group: group, Version: meta.AnyVersion, Kind: meta.AnyKind})
+	}
+
+	return resourcePriority, kindPriority
+}
+
+func newRESTMapper(group string, scheme *runtime.Scheme) meta.RESTMapper {
+	mapper := meta.NewDefaultRESTMapper(scheme.PrioritizedVersionsForGroup(group))
+	for _, gv := range scheme.PrioritizedVersionsForGroup(group) {
+		for kind := range scheme.KnownTypes(gv) {
+			if ignoredKinds.Has(kind) {
+				continue
+			}
+			scope := meta.RESTScopeNamespace
+			if rootScopedKinds[gv.WithKind(kind).GroupKind()] {
+				scope = meta.RESTScopeRoot
+			}
+			mapper.Add(gv.WithKind(kind), scope)
+		}
+	}
+
+	return mapper
+}
+
+// hardcoded is good enough for the test we're running
+var rootScopedKinds = map[schema.GroupKind]bool{
+	{Group: "admission.k8s.io", Kind: "AdmissionReview"}: true,
+
+	{Group: "admissionregistration.k8s.io", Kind: "InitializerConfiguration"}:       true,
+	{Group: "admissionregistration.k8s.io", Kind: "ValidatingWebhookConfiguration"}: true,
+	{Group: "admissionregistration.k8s.io", Kind: "MutatingWebhookConfiguration"}:   true,
+
+	{Group: "authentication.k8s.io", Kind: "TokenReview"}: true,
+
+	{Group: "authorization.k8s.io", Kind: "SubjectAccessReview"}:     true,
+	{Group: "authorization.k8s.io", Kind: "SelfSubjectAccessReview"}: true,
+	{Group: "authorization.k8s.io", Kind: "SelfSubjectRulesReview"}:  true,
+
+	{Group: "certificates.k8s.io", Kind: "CertificateSigningRequest"}: true,
+
+	{Group: "", Kind: "Node"}:             true,
+	{Group: "", Kind: "Namespace"}:        true,
+	{Group: "", Kind: "PersistentVolume"}: true,
+	{Group: "", Kind: "ComponentStatus"}:  true,
+
+	{Group: "extensions", Kind: "PodSecurityPolicy"}: true,
+
+	{Group: "policy", Kind: "PodSecurityPolicy"}: true,
+
+	{Group: "extensions", Kind: "PodSecurityPolicy"}: true,
+
+	{Group: "rbac.authorization.k8s.io", Kind: "ClusterRole"}:        true,
+	{Group: "rbac.authorization.k8s.io", Kind: "ClusterRoleBinding"}: true,
+
+	{Group: "scheduling.k8s.io", Kind: "PriorityClass"}: true,
+
+	{Group: "storage.k8s.io", Kind: "StorageClass"}:     true,
+	{Group: "storage.k8s.io", Kind: "VolumeAttachment"}: true,
+
+	{Group: "apiextensions.k8s.io", Kind: "CustomResourceDefinition"}: true,
+
+	{Group: "apiserver.k8s.io", Kind: "AdmissionConfiguration"}: true,
+
+	{Group: "audit.k8s.io", Kind: "Event"}:  true,
+	{Group: "audit.k8s.io", Kind: "Policy"}: true,
+
+	{Group: "apiregistration.k8s.io", Kind: "APIService"}: true,
+
+	{Group: "metrics.k8s.io", Kind: "NodeMetrics"}: true,
+
+	{Group: "wardle.k8s.io", Kind: "Fischer"}: true,
+}
+
+// hardcoded is good enough for the test we're running
+var ignoredKinds = sets.NewString(
+	"ListOptions",
+	"DeleteOptions",
+	"Status",
+	"PodLogOptions",
+	"PodExecOptions",
+	"PodAttachOptions",
+	"PodPortForwardOptions",
+	"PodProxyOptions",
+	"NodeProxyOptions",
+	"ServiceProxyOptions",
+)