Exemple #1
0
// ClientForGroupVersion returns a client for the specified groupVersion, creates one if none exists. Kind
// in the GroupVersionKind may be empty.
func (c *clientPoolImpl) ClientForGroupVersionKind(kind schema.GroupVersionKind) (*Client, error) {
	c.lock.Lock()
	defer c.lock.Unlock()

	gv := kind.GroupVersion()

	// do we have a client already configured?
	if existingClient, found := c.clients[gv]; found {
		return existingClient, nil
	}

	// avoid changing the original config
	confCopy := *c.config
	conf := &confCopy

	// we need to set the api path based on group version, if no group, default to legacy path
	conf.APIPath = c.apiPathResolverFunc(kind)

	// we need to make a client
	conf.GroupVersion = &gv

	dynamicClient, err := NewClient(conf)
	if err != nil {
		return nil, err
	}
	c.clients[gv] = dynamicClient
	return dynamicClient, nil
}
Exemple #2
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func IsThirdPartyObject(rawData []byte, gvk *schema.GroupVersionKind) (isThirdParty bool, gvkOut *schema.GroupVersionKind, err error) {
	var gv schema.GroupVersion
	if gvk == nil {
		data, err := yaml.ToJSON(rawData)
		if err != nil {
			return false, nil, err
		}
		metadata := metav1.TypeMeta{}
		if err = json.Unmarshal(data, &metadata); err != nil {
			return false, nil, err
		}
		gv, err = schema.ParseGroupVersion(metadata.APIVersion)
		if err != nil {
			return false, nil, err
		}
		gvkOut = &schema.GroupVersionKind{
			Group:   gv.Group,
			Version: gv.Version,
			Kind:    metadata.Kind,
		}
	} else {
		gv = gvk.GroupVersion()
		gvkOut = gvk
	}
	return registered.IsThirdPartyAPIGroupVersion(gv), gvkOut, nil
}
Exemple #3
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func (f *factory) SwaggerSchema(gvk schema.GroupVersionKind) (*swagger.ApiDeclaration, error) {
	version := gvk.GroupVersion()
	discovery, err := f.DiscoveryClient()
	if err != nil {
		return nil, err
	}
	return discovery.SwaggerSchema(version)
}
Exemple #4
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func (f *factory) SwaggerSchema(gvk schema.GroupVersionKind) (*swagger.ApiDeclaration, error) {
	version := gvk.GroupVersion()
	clientset, err := f.clients.ClientSetForVersion(&version)
	if err != nil {
		return nil, err
	}
	return clientset.Discovery().SwaggerSchema(version)
}
Exemple #5
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func doDeepCopyTest(t *testing.T, kind schema.GroupVersionKind, f *fuzz.Fuzzer) {
	item, err := api.Scheme.New(kind)
	if err != nil {
		t.Fatalf("Could not create a %v: %s", kind, err)
	}
	f.Fuzz(item)
	itemCopy, err := api.Scheme.DeepCopy(item)
	if err != nil {
		t.Errorf("Could not deep copy a %v: %s", kind, err)
		return
	}

	if !reflect.DeepEqual(item, itemCopy) {
		t.Errorf("\nexpected: %#v\n\ngot:      %#v\n\ndiff:      %v", item, itemCopy, diff.ObjectReflectDiff(item, itemCopy))
	}

	prefuzzData := &bytes.Buffer{}
	if err := api.Codecs.LegacyCodec(kind.GroupVersion()).Encode(item, prefuzzData); err != nil {
		t.Errorf("Could not encode a %v: %s", kind, err)
		return
	}

	// Refuzz the copy, which should have no effect on the original
	f.Fuzz(itemCopy)

	postfuzzData := &bytes.Buffer{}
	if err := api.Codecs.LegacyCodec(kind.GroupVersion()).Encode(item, postfuzzData); err != nil {
		t.Errorf("Could not encode a %v: %s", kind, err)
		return
	}

	if bytes.Compare(prefuzzData.Bytes(), postfuzzData.Bytes()) != 0 {
		t.Log(diff.StringDiff(prefuzzData.String(), postfuzzData.String()))
		t.Errorf("Fuzzing copy modified original of %#v", kind)
		return
	}
}
Exemple #6
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// KindToResource converts Kind to a resource name.
// Broken. This method only "sort of" works when used outside of this package.  It assumes that Kinds and Resources match
// and they aren't guaranteed to do so.
func KindToResource(kind schema.GroupVersionKind) ( /*plural*/ schema.GroupVersionResource /*singular*/, schema.GroupVersionResource) {
	kindName := kind.Kind
	if len(kindName) == 0 {
		return schema.GroupVersionResource{}, schema.GroupVersionResource{}
	}
	singularName := strings.ToLower(kindName)
	singular := kind.GroupVersion().WithResource(singularName)

	for _, skip := range unpluralizedSuffixes {
		if strings.HasSuffix(singularName, skip) {
			return singular, singular
		}
	}

	switch string(singularName[len(singularName)-1]) {
	case "s":
		return kind.GroupVersion().WithResource(singularName + "es"), singular
	case "y":
		return kind.GroupVersion().WithResource(strings.TrimSuffix(singularName, "y") + "ies"), singular
	}

	return kind.GroupVersion().WithResource(singularName + "s"), singular
}
Exemple #7
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func (t *thirdPartyResourceDataCreator) New(kind schema.GroupVersionKind) (out runtime.Object, err error) {
	switch kind.Kind {
	case "ThirdPartyResourceData":
		if apiutil.GetGroupVersion(t.group, t.version) != kind.GroupVersion().String() {
			return nil, fmt.Errorf("unknown kind %v", kind)
		}
		return &extensions.ThirdPartyResourceData{}, nil
	case "ThirdPartyResourceDataList":
		if apiutil.GetGroupVersion(t.group, t.version) != kind.GroupVersion().String() {
			return nil, fmt.Errorf("unknown kind %v", kind)
		}
		return &extensions.ThirdPartyResourceDataList{}, nil
	// TODO: this list needs to be formalized higher in the chain
	case "ListOptions", "WatchEvent":
		if apiutil.GetGroupVersion(t.group, t.version) == kind.GroupVersion().String() {
			// Translate third party group to external group.
			gvk := registered.EnabledVersionsForGroup(api.GroupName)[0].WithKind(kind.Kind)
			return t.delegate.New(gvk)
		}
		return t.delegate.New(kind)
	default:
		return t.delegate.New(kind)
	}
}
Exemple #8
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func (c *mockCreater) New(kind schema.GroupVersionKind) (runtime.Object, error) {
	c.apiVersion, c.kind = kind.GroupVersion().String(), kind.Kind
	return c.obj, c.err
}
Exemple #9
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func (u *UnstructuredList) SetGroupVersionKind(gvk schema.GroupVersionKind) {
	u.SetAPIVersion(gvk.GroupVersion().String())
	u.SetKind(gvk.Kind)
}
Exemple #10
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func (t *thirdPartyResourceDataDecoder) Decode(data []byte, gvk *schema.GroupVersionKind, into runtime.Object) (runtime.Object, *schema.GroupVersionKind, error) {
	if into == nil {
		if gvk == nil || gvk.Kind != t.kind {
			if isThirdParty, _, err := IsThirdPartyObject(data, gvk); err != nil {
				return nil, nil, err
			} else if !isThirdParty {
				return t.delegate.Decode(data, gvk, into)
			}
		}
		return t.populate(data)
	}
	switch o := into.(type) {
	case *extensions.ThirdPartyResourceData:
		break
	case *runtime.VersionedObjects:
		// We're not sure that it's third party, we need to test
		if gvk == nil || gvk.Kind != t.kind {
			if isThirdParty, _, err := IsThirdPartyObject(data, gvk); err != nil {
				return nil, nil, err
			} else if !isThirdParty {
				return t.delegate.Decode(data, gvk, into)
			}
		}
		obj, outGVK, err := t.populate(data)
		if err != nil {
			return nil, nil, err
		}
		o.Objects = []runtime.Object{
			obj,
		}
		return o, outGVK, nil
	default:
		if gvk != nil && registered.IsThirdPartyAPIGroupVersion(gvk.GroupVersion()) {
			// delegate won't recognize a thirdparty group version
			gvk = nil
		}
		return t.delegate.Decode(data, gvk, into)
	}

	thirdParty := into.(*extensions.ThirdPartyResourceData)
	var dataObj interface{}
	if err := json.Unmarshal(data, &dataObj); err != nil {
		return nil, nil, err
	}
	mapObj, ok := dataObj.(map[string]interface{})
	if !ok {

		return nil, nil, fmt.Errorf("unexpected object: %#v", dataObj)
	}
	/*if gvk.Kind != "ThirdPartyResourceData" {
		return nil, nil, fmt.Errorf("unexpected kind: %s", gvk.Kind)
	}*/
	actual := &schema.GroupVersionKind{}
	if kindObj, found := mapObj["kind"]; !found {
		if gvk == nil {
			return nil, nil, runtime.NewMissingKindErr(string(data))
		}
		mapObj["kind"] = gvk.Kind
		actual.Kind = gvk.Kind
	} else {
		kindStr, ok := kindObj.(string)
		if !ok {
			return nil, nil, fmt.Errorf("unexpected object for 'kind': %v", kindObj)
		}
		if len(t.kind) > 0 && kindStr != t.kind {
			return nil, nil, fmt.Errorf("kind doesn't match, expecting: %s, got %s", t.kind, kindStr)
		}
		actual.Kind = kindStr
	}
	if versionObj, found := mapObj["apiVersion"]; !found {
		if gvk == nil {
			return nil, nil, runtime.NewMissingVersionErr(string(data))
		}
		mapObj["apiVersion"] = gvk.GroupVersion().String()
		actual.Group, actual.Version = gvk.Group, gvk.Version
	} else {
		versionStr, ok := versionObj.(string)
		if !ok {
			return nil, nil, fmt.Errorf("unexpected object for 'apiVersion': %v", versionObj)
		}
		if gvk != nil && versionStr != gvk.GroupVersion().String() {
			return nil, nil, fmt.Errorf("version doesn't match, expecting: %v, got %s", gvk.GroupVersion(), versionStr)
		}
		gv, err := schema.ParseGroupVersion(versionStr)
		if err != nil {
			return nil, nil, err
		}
		actual.Group, actual.Version = gv.Group, gv.Version
	}

	mapObj, err := parseObject(data)
	if err != nil {
		return nil, actual, err
	}
	if err := t.populateResource(thirdParty, mapObj, data); err != nil {
		return nil, actual, err
	}
	return thirdParty, actual, nil
}
Exemple #11
0
// RESTMapping returns a struct representing the resource path and conversion interfaces a
// RESTClient should use to operate on the provided group/kind in order of versions. If a version search
// order is not provided, the search order provided to DefaultRESTMapper will be used to resolve which
// version should be used to access the named group/kind.
// TODO: consider refactoring to use RESTMappings in a way that preserves version ordering and preference
func (m *DefaultRESTMapper) RESTMapping(gk schema.GroupKind, versions ...string) (*RESTMapping, error) {
	// Pick an appropriate version
	var gvk *schema.GroupVersionKind
	hadVersion := false
	for _, version := range versions {
		if len(version) == 0 || version == runtime.APIVersionInternal {
			continue
		}

		currGVK := gk.WithVersion(version)
		hadVersion = true
		if _, ok := m.kindToPluralResource[currGVK]; ok {
			gvk = &currGVK
			break
		}
	}
	// Use the default preferred versions
	if !hadVersion && (gvk == nil) {
		for _, gv := range m.defaultGroupVersions {
			if gv.Group != gk.Group {
				continue
			}

			currGVK := gk.WithVersion(gv.Version)
			if _, ok := m.kindToPluralResource[currGVK]; ok {
				gvk = &currGVK
				break
			}
		}
	}
	if gvk == nil {
		return nil, &NoKindMatchError{PartialKind: gk.WithVersion("")}
	}

	// Ensure we have a REST mapping
	resource, ok := m.kindToPluralResource[*gvk]
	if !ok {
		found := []schema.GroupVersion{}
		for _, gv := range m.defaultGroupVersions {
			if _, ok := m.kindToPluralResource[*gvk]; ok {
				found = append(found, gv)
			}
		}
		if len(found) > 0 {
			return nil, fmt.Errorf("object with kind %q exists in versions %v, not %v", gvk.Kind, found, gvk.GroupVersion().String())
		}
		return nil, fmt.Errorf("the provided version %q and kind %q cannot be mapped to a supported object", gvk.GroupVersion().String(), gvk.Kind)
	}

	// Ensure we have a REST scope
	scope, ok := m.kindToScope[*gvk]
	if !ok {
		return nil, fmt.Errorf("the provided version %q and kind %q cannot be mapped to a supported scope", gvk.GroupVersion().String(), gvk.Kind)
	}

	interfaces, err := m.interfacesFunc(gvk.GroupVersion())
	if err != nil {
		return nil, fmt.Errorf("the provided version %q has no relevant versions: %v", gvk.GroupVersion().String(), err)
	}

	retVal := &RESTMapping{
		Resource:         resource.Resource,
		GroupVersionKind: *gvk,
		Scope:            scope,

		ObjectConvertor:  interfaces.ObjectConvertor,
		MetadataAccessor: interfaces.MetadataAccessor,
	}

	return retVal, nil
}