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diff --git a/docs/developer/design/apigateway.rst b/docs/developer/design/apigateway.rst new file mode 100644 index 0000000..dbeb94d --- /dev/null +++ b/docs/developer/design/apigateway.rst @@ -0,0 +1,38 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 + +================= +Parser apigateway +================= + +This document provides a description of apigateway, a message relay submodule for the other +parser submodules. + +.. contents:: + :depth: 3 + :local: + +Overview +-------- +Provide unified access interfaces for follow independent parser components: + - tosca2heat + - yang2tosca + - policy2tosca + - verigraph + - parser ui + The apigateway will relay message between above submodules throngh gRPC interface, in additon, +apigateway also exposes restful api to provide parser all functions to the 3rd applications. + + +Architecture +------------ +Apigateway exploits three sub-components: + +- **APIGW**, the main part of apigateway, which is the message center. +- **gRPC**, provide gRPC client and server for the other parser sub-modules, it can be devided +into defferent pair of client/server according to the function. +- **CLI**, command line tool for apigateway access and management . + +Apigateway architecture is shown below: + +.. image:: /images/API_gateway_architecture.png |