func (m PriorityRESTMapper) RESTMapping(gk schema.GroupKind, versions ...string) (mapping *RESTMapping, err error) {
mappings, err := m.Delegate.RESTMappings(gk)
if err != nil {
return nil, err
}
// any versions the user provides take priority
priorities := m.KindPriority
if len(versions) > 0 {
priorities = make([]schema.GroupVersionKind, 0, len(m.KindPriority)+len(versions))
for _, version := range versions {
gv := schema.GroupVersion{
Version: version,
Group: gk.Group,
}
priorities = append(priorities, gv.WithKind(AnyKind))
}
priorities = append(priorities, m.KindPriority...)
}
remaining := append([]*RESTMapping{}, mappings...)
for _, pattern := range priorities {
var matching []*RESTMapping
for _, m := range remaining {
if kindMatches(pattern, m.GroupVersionKind) {
matching = append(matching, m)
}
}
switch len(matching) {
case 0:
// if you have no matches, then nothing matched this pattern just move to the next
continue
case 1:
// one match, return
return matching[0], nil
default:
// more than one match, use the matched hits as the list moving to the next pattern.
// this way you can have a series of selection criteria
remaining = matching
}
}
if len(remaining) == 1 {
return remaining[0], nil
}
var kinds []schema.GroupVersionKind
for _, m := range mappings {
kinds = append(kinds, m.GroupVersionKind)
}
return nil, &AmbiguousKindError{PartialKind: gk.WithVersion(""), MatchingKinds: kinds}
}
// AddToGroupVersion registers the watch external and internal kinds with the scheme, and ensures the proper
// conversions are in place.
func AddToGroupVersion(scheme *runtime.Scheme, groupVersion schema.GroupVersion) {
scheme.AddKnownTypeWithName(groupVersion.WithKind(WatchEventKind), &Event{})
scheme.AddKnownTypeWithName(
schema.GroupVersion{Group: groupVersion.Group, Version: runtime.APIVersionInternal}.WithKind(WatchEventKind),
&InternalEvent{},
)
scheme.AddConversionFuncs(
Convert_versioned_Event_to_watch_Event,
Convert_versioned_InternalEvent_to_versioned_Event,
Convert_watch_Event_to_versioned_Event,
Convert_versioned_Event_to_versioned_InternalEvent,
)
}
// NewUnstructuredObjectTyper returns a runtime.ObjectTyper for
// unstructred objects based on discovery information.
func NewUnstructuredObjectTyper(groupResources []*APIGroupResources) *UnstructuredObjectTyper {
dot := &UnstructuredObjectTyper{registered: make(map[schema.GroupVersionKind]bool)}
for _, group := range groupResources {
for _, discoveryVersion := range group.Group.Versions {
resources, ok := group.VersionedResources[discoveryVersion.Version]
if !ok {
continue
}
gv := schema.GroupVersion{Group: group.Group.Name, Version: discoveryVersion.Version}
for _, resource := range resources {
dot.registered[gv.WithKind(resource.Kind)] = true
}
}
}
return dot
}
// DecodeParameters converts the provided url.Values into an object of type From with the kind of into, and then
// converts that object to into (if necessary). Returns an error if the operation cannot be completed.
func (c *parameterCodec) DecodeParameters(parameters url.Values, from schema.GroupVersion, into Object) error {
if len(parameters) == 0 {
return nil
}
targetGVKs, _, err := c.typer.ObjectKinds(into)
if err != nil {
return err
}
targetGVK := targetGVKs[0]
if targetGVK.GroupVersion() == from {
return c.convertor.Convert(¶meters, into, nil)
}
input, err := c.creator.New(from.WithKind(targetGVK.Kind))
if err != nil {
return err
}
if err := c.convertor.Convert(¶meters, input, nil); err != nil {
return err
}
return c.convertor.Convert(input, into, nil)
}
// NewRESTMapper returns a PriorityRESTMapper based on the discovered
// groups and resources passed in.
func NewRESTMapper(groupResources []*APIGroupResources, versionInterfaces meta.VersionInterfacesFunc) meta.RESTMapper {
unionMapper := meta.MultiRESTMapper{}
var groupPriority []string
var resourcePriority []schema.GroupVersionResource
var kindPriority []schema.GroupVersionKind
for _, group := range groupResources {
groupPriority = append(groupPriority, group.Group.Name)
if len(group.Group.PreferredVersion.Version) != 0 {
preferred := group.Group.PreferredVersion.Version
if _, ok := group.VersionedResources[preferred]; ok {
resourcePriority = append(resourcePriority, schema.GroupVersionResource{
Group: group.Group.Name,
Version: group.Group.PreferredVersion.Version,
Resource: meta.AnyResource,
})
kindPriority = append(kindPriority, schema.GroupVersionKind{
Group: group.Group.Name,
Version: group.Group.PreferredVersion.Version,
Kind: meta.AnyKind,
})
}
}
for _, discoveryVersion := range group.Group.Versions {
resources, ok := group.VersionedResources[discoveryVersion.Version]
if !ok {
continue
}
gv := schema.GroupVersion{Group: group.Group.Name, Version: discoveryVersion.Version}
versionMapper := meta.NewDefaultRESTMapper([]schema.GroupVersion{gv}, versionInterfaces)
for _, resource := range resources {
scope := meta.RESTScopeNamespace
if !resource.Namespaced {
scope = meta.RESTScopeRoot
}
versionMapper.Add(gv.WithKind(resource.Kind), scope)
// TODO only do this if it supports listing
versionMapper.Add(gv.WithKind(resource.Kind+"List"), scope)
}
// TODO why is this type not in discovery (at least for "v1")
versionMapper.Add(gv.WithKind("List"), meta.RESTScopeRoot)
unionMapper = append(unionMapper, versionMapper)
}
}
for _, group := range groupPriority {
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 meta.PriorityRESTMapper{
Delegate: unionMapper,
ResourcePriority: resourcePriority,
KindPriority: kindPriority,
}
}