Golang NewAccessor Examples

Example #1

File: group_factory.go Project: alex-mohr/kubernetes

// Enable enables group versions that are allowed, adds methods to the scheme, etc.
func (gmf *GroupMetaFactory) Enable(m *registered.APIRegistrationManager, scheme *runtime.Scheme) error {
	externalVersions := []schema.GroupVersion{}
	for _, v := range gmf.prioritizedVersionList {
		if !m.IsAllowedVersion(v) {
			continue
		}
		externalVersions = append(externalVersions, v)
		if err := m.EnableVersions(v); err != nil {
			return err
		}
		gmf.VersionArgs[v.Version].AddToScheme(scheme)
	}
	if len(externalVersions) == 0 {
		glog.V(4).Infof("No version is registered for group %v", gmf.GroupArgs.GroupName)
		return nil
	}

	if gmf.GroupArgs.AddInternalObjectsToScheme != nil {
		gmf.GroupArgs.AddInternalObjectsToScheme(scheme)
	}

	preferredExternalVersion := externalVersions[0]
	accessor := meta.NewAccessor()

	groupMeta := &apimachinery.GroupMeta{
		GroupVersion:  preferredExternalVersion,
		GroupVersions: externalVersions,
		SelfLinker:    runtime.SelfLinker(accessor),
	}
	for _, v := range externalVersions {
		gvf := gmf.VersionArgs[v.Version]
		if err := groupMeta.AddVersionInterfaces(
			schema.GroupVersion{Group: gvf.GroupName, Version: gvf.VersionName},
			&meta.VersionInterfaces{
				ObjectConvertor:  scheme,
				MetadataAccessor: accessor,
			},
		); err != nil {
			return err
		}
	}
	groupMeta.InterfacesFor = groupMeta.DefaultInterfacesFor
	groupMeta.RESTMapper = gmf.newRESTMapper(scheme, externalVersions, groupMeta)

	if err := m.RegisterGroup(*groupMeta); err != nil {
		return err
	}
	return nil
}

Example #2

File: install.go Project: alex-mohr/kubernetes

	"github.com/golang/glog"

	"k8s.io/client-go/pkg/api"
	"k8s.io/client-go/pkg/api/meta"
	"k8s.io/client-go/pkg/apimachinery"
	"k8s.io/client-go/pkg/apimachinery/registered"
	"k8s.io/client-go/pkg/federation/apis/federation"
	"k8s.io/client-go/pkg/federation/apis/federation/v1beta1"
	"k8s.io/client-go/pkg/runtime"
	"k8s.io/client-go/pkg/runtime/schema"
	"k8s.io/client-go/pkg/util/sets"
)

const importPrefix = "k8s.io/client-go/pkg/federation/apis/federation"

var accessor = meta.NewAccessor()

// availableVersions lists all known external versions for this group from most preferred to least preferred
var availableVersions = []schema.GroupVersion{v1beta1.SchemeGroupVersion}

func init() {
	registered.RegisterVersions(availableVersions)
	externalVersions := []schema.GroupVersion{}
	for _, v := range availableVersions {
		if registered.IsAllowedVersion(v) {
			externalVersions = append(externalVersions, v)
		}
	}
	if len(externalVersions) == 0 {
		glog.V(4).Infof("No version is registered for group %v", federation.GroupName)
		return

Example #3

File: dynamic_util.go Project: jbeda/kubernetes

// VersionInterfaces provides an object converter and metadata
// accessor appropriate for use with unstructured objects.
func VersionInterfaces(schema.GroupVersion) (*meta.VersionInterfaces, error) {
	return &meta.VersionInterfaces{
		ObjectConvertor:  &unstructured.UnstructuredObjectConverter{},
		MetadataAccessor: meta.NewAccessor(),
	}, nil
}