Golang registered.GroupVersionsForGroup函数代码示例

func init() {
	groupMeta, err := latest.RegisterGroup("metrics")
	if err != nil {
		glog.V(4).Infof("%v", err)
		return
	}

	registeredGroupVersions := registered.GroupVersionsForGroup("metrics")
	groupVersion := registeredGroupVersions[0]
	*groupMeta = latest.GroupMeta{
		GroupVersion: groupVersion,
		Codec:        runtime.CodecFor(api.Scheme, groupVersion.String()),
	}

	worstToBestGroupVersions := []unversioned.GroupVersion{}
	for i := len(registeredGroupVersions) - 1; i >= 0; i-- {
		worstToBestGroupVersions = append(worstToBestGroupVersions, registeredGroupVersions[i])
	}
	groupMeta.GroupVersions = registeredGroupVersions

	groupMeta.SelfLinker = runtime.SelfLinker(accessor)

	// the list of kinds that are scoped at the root of the api hierarchy
	// if a kind is not enumerated here, it is assumed to have a namespace scope
	rootScoped := sets.NewString()

	ignoredKinds := sets.NewString()

	groupMeta.RESTMapper = api.NewDefaultRESTMapper(worstToBestGroupVersions, interfacesFor, importPrefix, ignoredKinds, rootScoped)
	api.RegisterRESTMapper(groupMeta.RESTMapper)
	groupMeta.InterfacesFor = interfacesFor
}

func init() {
	externalVersions := []unversioned.GroupVersion{}
	for _, allowedVersion := range registered.GroupVersionsForGroup(componentconfig.GroupName) {
		for _, externalVersion := range availableVersions {
			if externalVersion == allowedVersion {
				externalVersions = append(externalVersions, externalVersion)
			}
		}
	}

	if len(externalVersions) == 0 {
		glog.V(4).Infof("No version is registered for group %v", componentconfig.GroupName)
		return
	}

	preferredExternalVersion := externalVersions[0]

	groupMeta := latest.GroupMeta{
		GroupVersion:  preferredExternalVersion,
		GroupVersions: externalVersions,
		Codec:         runtime.CodecFor(api.Scheme, preferredExternalVersion),
		RESTMapper:    newRESTMapper(externalVersions),
		SelfLinker:    runtime.SelfLinker(accessor),
		InterfacesFor: interfacesFor,
	}

	if err := latest.RegisterGroup(groupMeta); err != nil {
		glog.V(4).Infof("%v", err)
		return
	}

	api.RegisterRESTMapper(groupMeta.RESTMapper)
}

func init() {
	groupMeta, err := latest.RegisterGroup("experimental")
	if err != nil {
		glog.V(4).Infof("%v", err)
		return
	}
	registeredGroupVersions := registered.GroupVersionsForGroup("experimental")
	groupVersion := registeredGroupVersions[0]
	*groupMeta = latest.GroupMeta{
		GroupVersion: groupVersion,
		Group:        apiutil.GetGroup(groupVersion),
		Version:      apiutil.GetVersion(groupVersion),
		Codec:        runtime.CodecFor(api.Scheme, groupVersion),
	}
	var versions []string
	var groupVersions []string
	for i := len(registeredGroupVersions) - 1; i >= 0; i-- {
		versions = append(versions, apiutil.GetVersion(registeredGroupVersions[i]))
		groupVersions = append(groupVersions, registeredGroupVersions[i])
	}
	groupMeta.Versions = versions
	groupMeta.GroupVersions = groupVersions

	groupMeta.SelfLinker = runtime.SelfLinker(accessor)

	// the list of kinds that are scoped at the root of the api hierarchy
	// if a kind is not enumerated here, it is assumed to have a namespace scope
	rootScoped := sets.NewString()

	ignoredKinds := sets.NewString()

	groupMeta.RESTMapper = api.NewDefaultRESTMapper("experimental", groupVersions, interfacesFor, importPrefix, ignoredKinds, rootScoped)
	api.RegisterRESTMapper(groupMeta.RESTMapper)
	groupMeta.InterfacesFor = interfacesFor
}

func init() {
	groupMeta, err := latest.RegisterGroup("")
	if err != nil {
		glog.V(4).Infof("%v", err)
		return
	}

	worstToBestGroupVersions := []unversioned.GroupVersion{}

	// Use the first API version in the list of registered versions as the latest.
	registeredGroupVersions := registered.GroupVersionsForGroup("")
	groupVersion := registeredGroupVersions[0]
	*groupMeta = latest.GroupMeta{
		GroupVersion: groupVersion.String(),
		Group:        groupVersion.Group,
		Version:      groupVersion.Version,
		Codec:        runtime.CodecFor(api.Scheme, groupVersion.String()),
	}
	var versions []string
	var groupVersions []string
	for i := len(registeredGroupVersions) - 1; i >= 0; i-- {
		versions = append(versions, registeredGroupVersions[i].Version)
		groupVersions = append(groupVersions, registeredGroupVersions[i].String())
		worstToBestGroupVersions = append(worstToBestGroupVersions, registeredGroupVersions[i])
	}
	groupMeta.Versions = versions
	groupMeta.GroupVersions = groupVersions

	groupMeta.SelfLinker = runtime.SelfLinker(accessor)

	// the list of kinds that are scoped at the root of the api hierarchy
	// if a kind is not enumerated here, it is assumed to have a namespace scope
	rootScoped := sets.NewString(
		"Node",
		"Namespace",
		"PersistentVolume",
		"ComponentStatus",
	)

	// these kinds should be excluded from the list of resources
	ignoredKinds := sets.NewString(
		"ListOptions",
		"DeleteOptions",
		"Status",
		"PodLogOptions",
		"PodExecOptions",
		"PodAttachOptions",
		"PodProxyOptions",
		"ThirdPartyResource",
		"ThirdPartyResourceData",
		"ThirdPartyResourceList")

	mapper := api.NewDefaultRESTMapper(worstToBestGroupVersions, interfacesFor, importPrefix, ignoredKinds, rootScoped)
	// setup aliases for groups of resources
	mapper.AddResourceAlias("all", userResources...)
	groupMeta.RESTMapper = mapper
	api.RegisterRESTMapper(groupMeta.RESTMapper)
	groupMeta.InterfacesFor = interfacesFor
}

// RegisterGroup registers a group to GroupMetaMap.
func (g GroupMetaMap) RegisterGroup(group string) (*GroupMeta, error) {
	_, found := g[group]
	if found {
		return nil, fmt.Errorf("group %v is already registered", g)
	}
	if len(registered.GroupVersionsForGroup(group)) == 0 {
		return nil, fmt.Errorf("No version is registered for group %v", group)
	}
	g[group] = &GroupMeta{}
	return g[group], nil
}

func TestDecodePodList(t *testing.T) {
	grace := int64(30)
	pod := &api.Pod{
		TypeMeta: unversioned.TypeMeta{
			APIVersion: "",
		},
		ObjectMeta: api.ObjectMeta{
			Name:      "test",
			UID:       "12345",
			Namespace: "mynamespace",
		},
		Spec: api.PodSpec{
			RestartPolicy:                 api.RestartPolicyAlways,
			DNSPolicy:                     api.DNSClusterFirst,
			TerminationGracePeriodSeconds: &grace,
			Containers: []api.Container{{
				Name:                   "image",
				Image:                  "test/image",
				ImagePullPolicy:        "IfNotPresent",
				TerminationMessagePath: "/dev/termination-log",
				SecurityContext:        securitycontext.ValidSecurityContextWithContainerDefaults(),
			}},
			SecurityContext: &api.PodSecurityContext{},
		},
	}
	podList := &api.PodList{
		Items: []api.Pod{*pod},
	}
	json, err := testapi.Default.Codec().Encode(podList)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	parsed, podListOut, err := tryDecodePodList(json, noDefault)
	if !parsed {
		t.Errorf("expected to have parsed file: (%s)", string(json))
	}
	if err != nil {
		t.Errorf("unexpected error: %v (%s)", err, string(json))
	}
	if !reflect.DeepEqual(podList, &podListOut) {
		t.Errorf("expected:\n%#v\ngot:\n%#v\n%s", podList, &podListOut, string(json))
	}

	for _, version := range registered.GroupVersionsForGroup("") {
		externalPodList, err := testapi.Default.Converter().ConvertToVersion(podList, version)
		if err != nil {
			t.Errorf("unexpected error: %v", err)
		}
		yaml, err := yaml.Marshal(externalPodList)
		if err != nil {
			t.Errorf("unexpected error: %v", err)
		}

		parsed, podListOut, err = tryDecodePodList(yaml, noDefault)
		if !parsed {
			t.Errorf("expected to have parsed file: (%s)", string(yaml))
		}
		if err != nil {
			t.Errorf("unexpected error: %v (%s)", err, string(yaml))
		}
		if !reflect.DeepEqual(podList, &podListOut) {
			t.Errorf("expected:\n%#v\ngot:\n%#v\n%s", pod, &podListOut, string(yaml))
		}
	}
}