make RESTMapper.KindFor

This commit is contained in:
deads2k 2015-11-16 15:14:27 -05:00
parent 581a1ad1af
commit 5c4fb5bcbe
11 changed files with 41 additions and 69 deletions

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@ -147,10 +147,9 @@ type RESTMapping struct {
// TODO(caesarxuchao): Add proper multi-group support so that kinds & resources are
// scoped to groups. See http://issues.k8s.io/12413 and http://issues.k8s.io/10009.
type RESTMapper interface {
VersionAndKindForResource(resource string) (defaultVersion, kind string, err error)
// TODO(caesarxuchao): Remove GroupForResource when multi-group support is in (since
// group will be part of the version).
GroupForResource(resource string) (string, error)
// KindFor takes a resource and returns back the unambiguous Kind (GroupVersionKind)
KindFor(resource string) (unversioned.GroupVersionKind, error)
RESTMapping(kind string, versions ...string) (*RESTMapping, error)
AliasesForResource(resource string) ([]string, bool)
ResourceSingularizer(resource string) (singular string, err error)

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@ -80,6 +80,8 @@ type DefaultRESTMapper struct {
interfacesFunc VersionInterfacesFunc
}
var _ RESTMapper = &DefaultRESTMapper{}
// VersionInterfacesFunc returns the appropriate codec, typer, and metadata accessor for a
// given api version, or an error if no such api version exists.
type VersionInterfacesFunc func(apiVersion string) (*VersionInterfaces, error)
@ -163,21 +165,12 @@ func (m *DefaultRESTMapper) ResourceSingularizer(resource string) (singular stri
}
// VersionAndKindForResource implements RESTMapper
func (m *DefaultRESTMapper) VersionAndKindForResource(resource string) (gvString, kind string, err error) {
func (m *DefaultRESTMapper) KindFor(resource string) (unversioned.GroupVersionKind, error) {
gvk, ok := m.resourceToKind[strings.ToLower(resource)]
if !ok {
return "", "", fmt.Errorf("in version and kind for resource, no resource %q has been defined", resource)
return gvk, fmt.Errorf("in version and kind for resource, no resource %q has been defined", resource)
}
return gvk.GroupVersion().String(), gvk.Kind, nil
}
func (m *DefaultRESTMapper) GroupForResource(resource string) (string, error) {
gvk, exists := m.resourceToKind[strings.ToLower(resource)]
if !exists {
return "", fmt.Errorf("in group for resource, no resource %q has been defined", resource)
}
return gvk.Group, nil
return gvk, nil
}
// RESTMapping returns a struct representing the resource path and conversion interfaces a
@ -295,7 +288,7 @@ func (m *DefaultRESTMapper) AliasesForResource(alias string) ([]string, bool) {
// ResourceIsValid takes a string (kind) and checks if it's a valid resource
func (m *DefaultRESTMapper) ResourceIsValid(resource string) bool {
_, _, err := m.VersionAndKindForResource(resource)
_, err := m.KindFor(resource)
return err == nil
}
@ -317,21 +310,9 @@ func (m MultiRESTMapper) ResourceSingularizer(resource string) (singular string,
// VersionAndKindForResource provides the Version and Kind mappings for the
// REST resources. This implementation supports multiple REST schemas and return
// the first match.
func (m MultiRESTMapper) VersionAndKindForResource(resource string) (defaultVersion, kind string, err error) {
func (m MultiRESTMapper) KindFor(resource string) (gvk unversioned.GroupVersionKind, err error) {
for _, t := range m {
defaultVersion, kind, err = t.VersionAndKindForResource(resource)
if err == nil {
return
}
}
return
}
// GroupForResource provides the Group mappings for the REST resources. This
// implementation supports multiple REST schemas and returns the first match.
func (m MultiRESTMapper) GroupForResource(resource string) (group string, err error) {
for _, t := range m {
group, err = t.GroupForResource(resource)
gvk, err = t.KindFor(resource)
if err == nil {
return
}

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@ -59,15 +59,10 @@ type ObjectScheme interface {
func ObjectReaction(o ObjectRetriever, mapper meta.RESTMapper) ReactionFunc {
return func(action Action) (bool, runtime.Object, error) {
gvString, kind, err := mapper.VersionAndKindForResource(action.GetResource())
gvk, err := mapper.KindFor(action.GetResource())
if err != nil {
return false, nil, fmt.Errorf("unrecognized action %s: %v", action.GetResource(), err)
}
gv, err := unversioned.ParseGroupVersion(gvString)
if err != nil {
return false, nil, err
}
gvk := gv.WithKind(kind)
// TODO: have mapper return a Kind for a subresource?
switch castAction := action.(type) {

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@ -82,13 +82,13 @@ func RunExplain(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []st
}
// TODO: We should deduce the group for a resource by discovering the supported resources at server.
group, err := mapper.GroupForResource(inModel)
gvk, err := mapper.KindFor(inModel)
if err != nil {
return err
}
if len(apiV) == 0 {
groupMeta, err := latest.Group(group)
groupMeta, err := latest.Group(gvk.Group)
if err != nil {
return err
}

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@ -151,7 +151,7 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
return clients.ClientConfigForVersion("")
},
RESTClient: func(mapping *meta.RESTMapping) (resource.RESTClient, error) {
group, err := api.RESTMapper.GroupForResource(mapping.Resource)
gvk, err := api.RESTMapper.KindFor(mapping.Resource)
if err != nil {
return nil, err
}
@ -159,7 +159,7 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
if err != nil {
return nil, err
}
switch group {
switch gvk.Group {
case "":
return client.RESTClient, nil
case "extensions":
@ -168,7 +168,7 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
return nil, fmt.Errorf("unable to get RESTClient for resource '%s'", mapping.Resource)
},
Describer: func(mapping *meta.RESTMapping) (kubectl.Describer, error) {
group, err := api.RESTMapper.GroupForResource(mapping.Resource)
gvk, err := api.RESTMapper.KindFor(mapping.Resource)
if err != nil {
return nil, err
}
@ -176,7 +176,7 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
if err != nil {
return nil, err
}
if describer, ok := kubectl.DescriberFor(group, mapping.GroupVersionKind.Kind, client); ok {
if describer, ok := kubectl.DescriberFor(gvk.Group, mapping.GroupVersionKind.Kind, client); ok {
return describer, nil
}
return nil, fmt.Errorf("no description has been implemented for %q", mapping.Kind)
@ -497,11 +497,11 @@ func (c *clientSwaggerSchema) ValidateBytes(data []byte) error {
return fmt.Errorf("API version %q isn't supported, only supports API versions %q", version, registered.RegisteredGroupVersions)
}
resource, _ := meta.KindToResource(kind, false)
group, err := c.mapper.GroupForResource(resource)
gvk, err := c.mapper.KindFor(resource)
if err != nil {
return fmt.Errorf("could not find api group for %s: %v", kind, err)
}
if group == "extensions" {
if gvk.Group == "extensions" {
if c.c.ExtensionsClient == nil {
return errors.New("unable to validate: no experimental client")
}

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@ -22,6 +22,7 @@ import (
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/meta"
"k8s.io/kubernetes/pkg/api/unversioned"
)
const kubectlAnnotationPrefix = "kubectl.kubernetes.io/"
@ -65,12 +66,13 @@ type ShortcutExpander struct {
meta.RESTMapper
}
// VersionAndKindForResource implements meta.RESTMapper. It expands the resource first, then invokes the wrapped
var _ meta.RESTMapper = &ShortcutExpander{}
// KindFor implements meta.RESTMapper. It expands the resource first, then invokes the wrapped
// mapper.
func (e ShortcutExpander) VersionAndKindForResource(resource string) (defaultVersion, kind string, err error) {
func (e ShortcutExpander) KindFor(resource string) (unversioned.GroupVersionKind, error) {
resource = expandResourceShortcut(resource)
defaultVersion, kind, err = e.RESTMapper.VersionAndKindForResource(resource)
return defaultVersion, kind, err
return e.RESTMapper.KindFor(resource)
}
// ResourceIsValid takes a string (kind) and checks if it's a valid resource.

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@ -426,11 +426,11 @@ func (b *Builder) resourceMappings() ([]*meta.RESTMapping, error) {
}
mappings := []*meta.RESTMapping{}
for _, r := range b.resources {
version, kind, err := b.mapper.VersionAndKindForResource(r)
gvk, err := b.mapper.KindFor(r)
if err != nil {
return nil, err
}
mapping, err := b.mapper.RESTMapping(kind, version)
mapping, err := b.mapper.RESTMapping(gvk.Kind, gvk.GroupVersion().String())
if err != nil {
return nil, err
}
@ -446,11 +446,11 @@ func (b *Builder) resourceTupleMappings() (map[string]*meta.RESTMapping, error)
if _, ok := mappings[r.Resource]; ok {
continue
}
version, kind, err := b.mapper.VersionAndKindForResource(r.Resource)
gvk, err := b.mapper.KindFor(r.Resource)
if err != nil {
return nil, err
}
mapping, err := b.mapper.RESTMapping(kind, version)
mapping, err := b.mapper.RESTMapping(gvk.Kind, gvk.GroupVersion().String())
if err != nil {
return nil, err
}

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@ -39,15 +39,17 @@ type thirdPartyResourceDataMapper struct {
group string
}
var _ meta.RESTMapper = &thirdPartyResourceDataMapper{}
func (t *thirdPartyResourceDataMapper) isThirdPartyResource(resource string) bool {
return resource == strings.ToLower(t.kind)+"s"
}
func (t *thirdPartyResourceDataMapper) GroupForResource(resource string) (string, error) {
func (t *thirdPartyResourceDataMapper) KindFor(resource string) (unversioned.GroupVersionKind, error) {
if t.isThirdPartyResource(resource) {
return t.group, nil
return unversioned.GroupVersionKind{Group: t.group, Version: t.version, Kind: t.kind}, nil
}
return t.mapper.GroupForResource(resource)
return t.mapper.KindFor(resource)
}
func (t *thirdPartyResourceDataMapper) RESTMapping(kind string, groupVersions ...string) (*meta.RESTMapping, error) {
@ -76,13 +78,6 @@ func (t *thirdPartyResourceDataMapper) ResourceSingularizer(resource string) (si
return t.mapper.ResourceSingularizer(resource)
}
func (t *thirdPartyResourceDataMapper) VersionAndKindForResource(resource string) (defaultVersion, kind string, err error) {
if t.isThirdPartyResource(resource) {
return t.version, t.kind, nil
}
return t.mapper.VersionAndKindForResource(resource)
}
// ResourceIsValid takes a string (kind) and checks if it's a valid resource
func (t *thirdPartyResourceDataMapper) ResourceIsValid(resource string) bool {
return t.isThirdPartyResource(resource) || t.mapper.ResourceIsValid(resource)

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@ -48,11 +48,11 @@ type provision struct {
}
func (p *provision) Admit(a admission.Attributes) (err error) {
defaultVersion, kind, err := api.RESTMapper.VersionAndKindForResource(a.GetResource())
gvk, err := api.RESTMapper.KindFor(a.GetResource())
if err != nil {
return admission.NewForbidden(a, err)
}
mapping, err := api.RESTMapper.RESTMapping(kind, defaultVersion)
mapping, err := api.RESTMapper.RESTMapping(gvk.Kind, gvk.GroupVersion().String())
if err != nil {
return admission.NewForbidden(a, err)
}

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@ -49,11 +49,11 @@ type exists struct {
}
func (e *exists) Admit(a admission.Attributes) (err error) {
defaultVersion, kind, err := api.RESTMapper.VersionAndKindForResource(a.GetResource())
gvk, err := api.RESTMapper.KindFor(a.GetResource())
if err != nil {
return errors.NewInternalError(err)
}
mapping, err := api.RESTMapper.RESTMapping(kind, defaultVersion)
mapping, err := api.RESTMapper.RESTMapping(gvk.Kind, gvk.GroupVersion().String())
if err != nil {
return errors.NewInternalError(err)
}

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@ -57,11 +57,11 @@ func (l *lifecycle) Admit(a admission.Attributes) (err error) {
return errors.NewForbidden(a.GetKind(), a.GetName(), fmt.Errorf("this namespace may not be deleted"))
}
defaultVersion, kind, err := api.RESTMapper.VersionAndKindForResource(a.GetResource())
gvk, err := api.RESTMapper.KindFor(a.GetResource())
if err != nil {
return errors.NewInternalError(err)
}
mapping, err := api.RESTMapper.RESTMapping(kind, defaultVersion)
mapping, err := api.RESTMapper.RESTMapping(gvk.Kind, gvk.GroupVersion().String())
if err != nil {
return errors.NewInternalError(err)
}