Esempio n. 1
0
func createHandler(r rest.NamedCreater, scope RequestScope, typer runtime.ObjectTyper, admit admission.Interface, includeName bool) restful.RouteFunction {
	return func(req *restful.Request, res *restful.Response) {
		// For performance tracking purposes.
		trace := util.NewTrace("Create " + req.Request.URL.Path)
		defer trace.LogIfLong(250 * time.Millisecond)

		w := res.ResponseWriter

		// TODO: we either want to remove timeout or document it (if we document, move timeout out of this function and declare it in api_installer)
		timeout := parseTimeout(req.Request.URL.Query().Get("timeout"))

		var (
			namespace, name string
			err             error
		)
		if includeName {
			namespace, name, err = scope.Namer.Name(req)
		} else {
			namespace, err = scope.Namer.Namespace(req)
		}
		if err != nil {
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}

		ctx := scope.ContextFunc(req)
		ctx = api.WithNamespace(ctx, namespace)

		gv := scope.Kind.GroupVersion()
		s, err := negotiateInputSerializer(req.Request, scope.Serializer)
		if err != nil {
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}
		decoder := scope.Serializer.DecoderToVersion(s, unversioned.GroupVersion{Group: gv.Group, Version: runtime.APIVersionInternal})

		body, err := readBody(req.Request)
		if err != nil {
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}

		defaultGVK := scope.Kind
		original := r.New()
		trace.Step("About to convert to expected version")
		obj, gvk, err := decoder.Decode(body, &defaultGVK, original)
		if err != nil {
			err = transformDecodeError(typer, err, original, gvk, body)
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}
		if gvk.GroupVersion() != gv {
			err = errors.NewBadRequest(fmt.Sprintf("the API version in the data (%s) does not match the expected API version (%v)", gvk.GroupVersion().String(), gv.String()))
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}
		trace.Step("Conversion done")

		if admit != nil && admit.Handles(admission.Create) {
			userInfo, _ := api.UserFrom(ctx)

			err = admit.Admit(admission.NewAttributesRecord(obj, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Create, userInfo))
			if err != nil {
				scope.err(err, res.ResponseWriter, req.Request)
				return
			}
		}

		trace.Step("About to store object in database")
		result, err := finishRequest(timeout, func() (runtime.Object, error) {
			out, err := r.Create(ctx, name, obj)
			if status, ok := out.(*unversioned.Status); ok && err == nil && status.Code == 0 {
				status.Code = http.StatusCreated
			}
			return out, err
		})
		if err != nil {
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}
		trace.Step("Object stored in database")

		if err := setSelfLink(result, req, scope.Namer); err != nil {
			scope.err(err, res.ResponseWriter, req.Request)
			return
		}
		trace.Step("Self-link added")

		write(http.StatusCreated, scope.Kind.GroupVersion(), scope.Serializer, result, w, req.Request)
	}
}
Esempio n. 2
0
func createHandler(r rest.NamedCreater, scope RequestScope, typer runtime.ObjectTyper, admit admission.Interface, includeName bool) restful.RouteFunction {
	return func(req *restful.Request, res *restful.Response) {
		w := res.ResponseWriter

		// TODO: we either want to remove timeout or document it (if we document, move timeout out of this function and declare it in api_installer)
		timeout := parseTimeout(req.Request.URL.Query().Get("timeout"))

		var (
			namespace, name string
			err             error
		)
		if includeName {
			namespace, name, err = scope.Namer.Name(req)
		} else {
			namespace, err = scope.Namer.Namespace(req)
		}
		if err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}

		ctx := scope.ContextFunc(req)
		ctx = api.WithNamespace(ctx, namespace)

		body, err := readBody(req.Request)
		if err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}

		obj := r.New()
		if err := scope.Codec.DecodeIntoWithSpecifiedVersionKind(body, obj, scope.APIVersion, scope.Kind); err != nil {
			err = transformDecodeError(typer, err, obj, body)
			errorJSON(err, scope.Codec, w)
			return
		}

		if admit != nil && admit.Handles(admission.Create) {
			userInfo, _ := api.UserFrom(ctx)

			err = admit.Admit(admission.NewAttributesRecord(obj, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Create, userInfo))
			if err != nil {
				errorJSON(err, scope.Codec, w)
				return
			}
		}

		result, err := finishRequest(timeout, func() (runtime.Object, error) {
			out, err := r.Create(ctx, name, obj)
			if status, ok := out.(*unversioned.Status); ok && err == nil && status.Code == 0 {
				status.Code = http.StatusCreated
			}
			return out, err
		})
		if err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}

		if err := setSelfLink(result, req, scope.Namer); err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}

		write(http.StatusCreated, scope.APIVersion, scope.Codec, result, w, req.Request)
	}
}
Esempio n. 3
0
func createHandler(r rest.NamedCreater, scope RequestScope, typer runtime.ObjectTyper, admit admission.Interface, includeName bool) restful.RouteFunction {
	return func(req *restful.Request, res *restful.Response) {
		// For performance tracking purposes.
		trace := util.NewTrace("Create " + req.Request.URL.Path)
		defer trace.LogIfLong(250 * time.Millisecond)

		w := res.ResponseWriter

		// TODO: we either want to remove timeout or document it (if we document, move timeout out of this function and declare it in api_installer)
		timeout := parseTimeout(req.Request.URL.Query().Get("timeout"))

		var (
			namespace, name string
			err             error
		)
		if includeName {
			namespace, name, err = scope.Namer.Name(req)
		} else {
			namespace, err = scope.Namer.Namespace(req)
		}
		if err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}

		ctx := scope.ContextFunc(req)
		ctx = api.WithNamespace(ctx, namespace)

		body, err := readBody(req.Request)
		if err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}

		obj := r.New()
		trace.Step("About to convert to expected version")
		// TODO this cleans up with proper typing
		if err := scope.Codec.DecodeIntoWithSpecifiedVersionKind(body, obj, scope.Kind); err != nil {
			err = transformDecodeError(typer, err, obj, body)
			errorJSON(err, scope.Codec, w)
			return
		}
		trace.Step("Conversion done")

		if admit != nil && admit.Handles(admission.Create) {
			userInfo, _ := api.UserFrom(ctx)

			err = admit.Admit(admission.NewAttributesRecord(obj, scope.Kind.GroupKind(), namespace, name, scope.Resource.GroupResource(), scope.Subresource, admission.Create, userInfo))
			if err != nil {
				errorJSON(err, scope.Codec, w)
				return
			}
		}

		trace.Step("About to store object in database")
		result, err := finishRequest(timeout, func() (runtime.Object, error) {
			out, err := r.Create(ctx, name, obj)
			if status, ok := out.(*unversioned.Status); ok && err == nil && status.Code == 0 {
				status.Code = http.StatusCreated
			}
			return out, err
		})
		if err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}
		trace.Step("Object stored in database")

		if err := setSelfLink(result, req, scope.Namer); err != nil {
			errorJSON(err, scope.Codec, w)
			return
		}
		trace.Step("Self-link added")

		write(http.StatusCreated, scope.Kind.GroupVersion(), scope.Codec, result, w, req.Request)
	}
}