// ServerPreferredNamespacedGroupVersionResources uses the specified client to discover the set of preferred groupVersionResources that are namespaced
func ServerPreferredNamespacedGroupVersionResources(discoveryClient discovery.DiscoveryInterface) ([]unversioned.GroupVersionResource, error) {
results := []unversioned.GroupVersionResource{}
serverGroupList, err := discoveryClient.ServerGroups()
if err != nil {
return results, err
}
allErrs := []error{}
for _, apiGroup := range serverGroupList.Groups {
preferredVersion := apiGroup.PreferredVersion
apiResourceList, err := discoveryClient.ServerResourcesForGroupVersion(preferredVersion.GroupVersion)
if err != nil {
allErrs = append(allErrs, err)
continue
}
groupVersion := unversioned.GroupVersion{Group: apiGroup.Name, Version: preferredVersion.Version}
for _, apiResource := range apiResourceList.APIResources {
if !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
results = append(results, groupVersion.WithResource(apiResource.Name))
}
}
return results, utilerrors.NewAggregate(allErrs)
}
func TestKindToResource(t *testing.T) {
testCases := []struct {
Kind string
Plural, Singular string
}{
{Kind: "Pod", Plural: "pods", Singular: "pod"},
{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},
// Add "ies" when ending with "y"
{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
// Add "es" when ending with "s"
{Kind: "miss", Plural: "misses", Singular: "miss"},
// Add "s" otherwise
{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
}
for i, testCase := range testCases {
version := unversioned.GroupVersion{}
plural, singular := KindToResource(version.WithKind(testCase.Kind))
if singular != version.WithResource(testCase.Singular) || plural != version.WithResource(testCase.Plural) {
t.Errorf("%d: unexpected plural and singular: %v %v", i, plural, singular)
}
}
}
func TestRESTMapper(t *testing.T) {
gv := unversioned.GroupVersion{Group: componentconfig.GroupName, Version: "v1alpha1"}
proxyGVK := gv.WithKind("KubeProxyConfiguration")
if gvk, err := registered.GroupOrDie(componentconfig.GroupName).RESTMapper.KindFor(gv.WithResource("kubeproxyconfiguration")); err != nil || gvk != proxyGVK {
t.Errorf("unexpected version mapping: %v %v", gvk, err)
}
if m, err := registered.GroupOrDie(componentconfig.GroupName).RESTMapper.RESTMapping(proxyGVK.GroupKind(), ""); err != nil || m.GroupVersionKind != proxyGVK || m.Resource != "kubeproxyconfigurations" {
t.Errorf("unexpected version mapping: %#v %v", m, err)
}
for _, version := range registered.GroupOrDie(componentconfig.GroupName).GroupVersions {
mapping, err := registered.GroupOrDie(componentconfig.GroupName).RESTMapper.RESTMapping(proxyGVK.GroupKind(), version.Version)
if err != nil {
t.Errorf("unexpected error: %v", err)
continue
}
if mapping.Resource != "kubeproxyconfigurations" {
t.Errorf("incorrect resource name: %#v", mapping)
}
if mapping.GroupVersionKind.GroupVersion() != version {
t.Errorf("incorrect groupVersion: %v", mapping)
}
interfaces, _ := registered.GroupOrDie(componentconfig.GroupName).InterfacesFor(version)
if mapping.ObjectConvertor != interfaces.ObjectConvertor {
t.Errorf("unexpected: %#v, expected: %#v", mapping, interfaces)
}
}
}
// serverPreferredResources returns the supported resources with the version preferred by the
// server. If namespaced is true, only namespaced resources will be returned.
func (d *DiscoveryClient) serverPreferredResources(namespaced bool) ([]unversioned.GroupVersionResource, error) {
results := []unversioned.GroupVersionResource{}
serverGroupList, err := d.ServerGroups()
if err != nil {
return results, err
}
var failedGroups map[unversioned.GroupVersion]error
for _, apiGroup := range serverGroupList.Groups {
preferredVersion := apiGroup.PreferredVersion
groupVersion := unversioned.GroupVersion{Group: apiGroup.Name, Version: preferredVersion.Version}
apiResourceList, err := d.ServerResourcesForGroupVersion(preferredVersion.GroupVersion)
if err != nil {
if failedGroups == nil {
failedGroups = make(map[unversioned.GroupVersion]error)
}
failedGroups[groupVersion] = err
continue
}
for _, apiResource := range apiResourceList.APIResources {
// ignore the root scoped resources if "namespaced" is true.
if namespaced && !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
results = append(results, groupVersion.WithResource(apiResource.Name))
}
}
if len(failedGroups) > 0 {
return results, &ErrGroupDiscoveryFailed{Groups: failedGroups}
}
return results, nil
}
// serverPreferredResources returns the supported resources with the version preferred by the
// server. If namespaced is true, only namespaced resources will be returned.
func (d *DiscoveryClient) serverPreferredResources(namespaced bool) ([]unversioned.GroupVersionResource, error) {
results := []unversioned.GroupVersionResource{}
serverGroupList, err := d.ServerGroups()
if err != nil {
return results, err
}
allErrs := []error{}
for _, apiGroup := range serverGroupList.Groups {
preferredVersion := apiGroup.PreferredVersion
apiResourceList, err := d.ServerResourcesForGroupVersion(preferredVersion.GroupVersion)
if err != nil {
allErrs = append(allErrs, err)
continue
}
groupVersion := unversioned.GroupVersion{Group: apiGroup.Name, Version: preferredVersion.Version}
for _, apiResource := range apiResourceList.APIResources {
// ignore the root scoped resources if "namespaced" is true.
if namespaced && !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
results = append(results, groupVersion.WithResource(apiResource.Name))
}
}
return results, utilerrors.NewAggregate(allErrs)
}
// serverPreferredResources returns the supported resources with the version preferred by the
// server. If namespaced is true, only namespaced resources will be returned.
func (d *DiscoveryClient) serverPreferredResources(namespaced bool) ([]unversioned.GroupVersionResource, error) {
// retry in case the groups supported by the server change after ServerGroup() returns.
const maxRetries = 2
var failedGroups map[unversioned.GroupVersion]error
var results []unversioned.GroupVersionResource
var resources map[unversioned.GroupResource]string
RetrieveGroups:
for i := 0; i < maxRetries; i++ {
results = []unversioned.GroupVersionResource{}
resources = map[unversioned.GroupResource]string{}
failedGroups = make(map[unversioned.GroupVersion]error)
serverGroupList, err := d.ServerGroups()
if err != nil {
return results, err
}
for _, apiGroup := range serverGroupList.Groups {
versions := apiGroup.Versions
for _, version := range versions {
groupVersion := unversioned.GroupVersion{Group: apiGroup.Name, Version: version.Version}
apiResourceList, err := d.ServerResourcesForGroupVersion(version.GroupVersion)
if err != nil {
if i < maxRetries-1 {
continue RetrieveGroups
}
failedGroups[groupVersion] = err
continue
}
for _, apiResource := range apiResourceList.APIResources {
// ignore the root scoped resources if "namespaced" is true.
if namespaced && !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
gvr := groupVersion.WithResource(apiResource.Name)
if _, ok := resources[gvr.GroupResource()]; ok {
if gvr.Version != apiGroup.PreferredVersion.Version {
continue
}
// remove previous entry, because it will be replaced with a preferred one
for i := range results {
if results[i].GroupResource() == gvr.GroupResource() {
results = append(results[:i], results[i+1:]...)
}
}
}
resources[gvr.GroupResource()] = gvr.Version
results = append(results, gvr)
}
}
}
if len(failedGroups) == 0 {
return results, nil
}
}
return results, &ErrGroupDiscoveryFailed{Groups: failedGroups}
}
// getBatchResources returns the resources for batch api
func (m *Master) getBatchResources(c *Config, version unversioned.GroupVersion) map[string]rest.Storage {
storage := map[string]rest.Storage{}
if c.APIResourceConfigSource.ResourceEnabled(version.WithResource("jobs")) {
jobsStorage, jobsStatusStorage := jobetcd.NewREST(m.GetRESTOptionsOrDie(c, batch.Resource("jobs")))
storage["jobs"] = jobsStorage
storage["jobs/status"] = jobsStatusStorage
}
return storage
}
// serverPreferredResources returns the supported resources with the version preferred by the
// server. If namespaced is true, only namespaced resources will be returned.
func (d *DiscoveryClient) serverPreferredResources(namespaced bool) ([]unversioned.GroupVersionResource, error) {
// retry in case the groups supported by the server change after ServerGroup() returns.
const maxRetries = 2
var failedGroups map[unversioned.GroupVersion]error
var results []unversioned.GroupVersionResource
RetrieveGroups:
for i := 0; i < maxRetries; i++ {
results = []unversioned.GroupVersionResource{}
failedGroups = make(map[unversioned.GroupVersion]error)
serverGroupList, err := d.ServerGroups()
if err != nil {
return results, err
}
for _, apiGroup := range serverGroupList.Groups {
preferredVersion := apiGroup.PreferredVersion
groupVersion := unversioned.GroupVersion{Group: apiGroup.Name, Version: preferredVersion.Version}
apiResourceList, err := d.ServerResourcesForGroupVersion(preferredVersion.GroupVersion)
if err != nil {
if i < maxRetries-1 {
continue RetrieveGroups
}
failedGroups[groupVersion] = err
continue
}
for _, apiResource := range apiResourceList.APIResources {
// ignore the root scoped resources if "namespaced" is true.
if namespaced && !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
results = append(results, groupVersion.WithResource(apiResource.Name))
}
}
if len(failedGroups) == 0 {
return results, nil
}
}
return results, &ErrGroupDiscoveryFailed{Groups: failedGroups}
}
func TestDisabledVersion(t *testing.T) {
g1v1 := unversioned.GroupVersion{Group: "group1", Version: "version1"}
g1v2 := unversioned.GroupVersion{Group: "group1", Version: "version2"}
g2v1 := unversioned.GroupVersion{Group: "group2", Version: "version1"}
g3v1 := unversioned.GroupVersion{Group: "group3", Version: "version1"}
resourceType := "the-resource"
disabledResourceType := "the-disabled-resource"
config := NewResourceConfig()
config.DisableVersions(g1v1)
config.EnableVersions(g1v2, g3v1)
config.EnableResources(g1v1.WithResource(resourceType), g2v1.WithResource(resourceType))
config.DisableResources(g1v2.WithResource(disabledResourceType))
expectedEnabledResources := []unversioned.GroupVersionResource{
g1v2.WithResource(resourceType),
g2v1.WithResource(resourceType),
}
expectedDisabledResources := []unversioned.GroupVersionResource{
g1v1.WithResource(resourceType), g1v1.WithResource(disabledResourceType),
g1v2.WithResource(disabledResourceType),
g2v1.WithResource(disabledResourceType),
}
for _, expectedResource := range expectedEnabledResources {
if !config.ResourceEnabled(expectedResource) {
t.Errorf("expected enabled for %v, from %v", expectedResource, config)
}
}
for _, expectedResource := range expectedDisabledResources {
if config.ResourceEnabled(expectedResource) {
t.Errorf("expected disabled for %v, from %v", expectedResource, config)
}
}
if e, a := false, config.AnyResourcesForVersionEnabled(g1v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := false, config.AllResourcesForVersionEnabled(g1v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := true, config.AnyResourcesForVersionEnabled(g1v2); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := false, config.AllResourcesForVersionEnabled(g1v2); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := true, config.AnyResourcesForVersionEnabled(g3v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := true, config.AllResourcesForVersionEnabled(g3v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
expectedEnabledAnyVersionResources := []unversioned.GroupResource{
{Group: "group1", Resource: resourceType},
}
expectedDisabledAnyResources := []unversioned.GroupResource{
{Group: "group1", Resource: disabledResourceType},
}
for _, expectedResource := range expectedEnabledAnyVersionResources {
if !config.AnyVersionOfResourceEnabled(expectedResource) {
t.Errorf("expected enabled for %v, from %v", expectedResource, config)
}
}
for _, expectedResource := range expectedDisabledAnyResources {
if config.AnyVersionOfResourceEnabled(expectedResource) {
t.Errorf("expected disabled for %v, from %v", expectedResource, config)
}
}
}
func (d *discoveryRESTMapper) getDelegate() (meta.RESTMapper, error) {
d.initLock.Lock()
defer d.initLock.Unlock()
if d.delegate != nil {
return d.delegate, nil
}
serverGroups, err := d.discoveryClient.ServerGroups()
if err != nil {
return nil, err
}
// always prefer our default group for now. The version should be discovered from discovery, but this will hold us
// for quite some time.
resourcePriority := []unversioned.GroupVersionResource{
{Group: kapi.GroupName, Version: meta.AnyVersion, Resource: meta.AnyResource},
}
kindPriority := []unversioned.GroupVersionKind{
{Group: kapi.GroupName, Version: meta.AnyVersion, Kind: meta.AnyKind},
}
groupPriority := []string{}
unionMapper := meta.MultiRESTMapper{}
for _, group := range serverGroups.Groups {
if len(group.Versions) == 0 {
continue
}
groupPriority = append(groupPriority, group.Name)
if len(group.PreferredVersion.Version) != 0 {
preferredVersion := unversioned.GroupVersion{Group: group.Name, Version: group.PreferredVersion.Version}
if registered.IsEnabledVersion(preferredVersion) {
resourcePriority = append(resourcePriority, preferredVersion.WithResource(meta.AnyResource))
kindPriority = append(kindPriority, preferredVersion.WithKind(meta.AnyKind))
}
}
for _, discoveryVersion := range group.Versions {
version := unversioned.GroupVersion{Group: group.Name, Version: discoveryVersion.Version}
if !registered.IsEnabledVersion(version) {
continue
}
groupMeta, err := registered.Group(group.Name)
if err != nil {
return nil, err
}
resources, err := d.discoveryClient.ServerResourcesForGroupVersion(version.String())
if err != nil {
return nil, err
}
versionMapper := meta.NewDefaultRESTMapper([]unversioned.GroupVersion{version}, groupMeta.InterfacesFor)
for _, resource := range resources.APIResources {
// TODO properly handle resource versus kind
gvk := version.WithKind(resource.Kind)
scope := meta.RESTScopeNamespace
if !resource.Namespaced {
scope = meta.RESTScopeRoot
}
versionMapper.Add(gvk, scope)
// TODO formalize this by checking to see if they support listing
versionMapper.Add(version.WithKind(resource.Kind+"List"), scope)
}
// we need to add List. Its a special case of something we need that isn't in the discovery doc
if group.Name == kapi.GroupName {
versionMapper.Add(version.WithKind("List"), meta.RESTScopeNamespace)
}
unionMapper = append(unionMapper, versionMapper)
}
}
for _, group := range groupPriority {
resourcePriority = append(resourcePriority, unversioned.GroupVersionResource{Group: group, Version: meta.AnyVersion, Resource: meta.AnyResource})
kindPriority = append(kindPriority, unversioned.GroupVersionKind{Group: group, Version: meta.AnyVersion, Kind: meta.AnyKind})
}
return meta.PriorityRESTMapper{Delegate: unionMapper, ResourcePriority: resourcePriority, KindPriority: kindPriority}, nil
}