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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
.. Copyright 2017 Huawei Technologies Co., Ltd.
.. _cli_architecture:
CLI architecture
================
Following diagram shows the high-level architecture of OCLIP.
.. image:: images/portal-cli-arch.png
* **Command Registrar** : Registrar keeps track of the commands registered in OCLIP and when user invokes the command,
it identify the corresponding command and helps to invoke the corresponding command plug-in.
* **Command Discoverer** : Discoverer discovers the commands both in plug-in format and YAML and automatically register
them into Registrar.
* **Command Plug-in** : Implement the command as plug-in. More details :ref:`cli_developer_guide`
* **HTTP Command** : Plug-in for implementing all Rest based command as YAML without any coding.
* **Command Shell** : Provides the interactive command line console from Linux
* **Web Command Console** : Provides the interactive command line console from web-browser
* **Cache** : Provides an persistent storage for discoverer to store the meta-data about the discovered Commands.
* **open cli schemas** : Set of command YAML provides the CLI definitions.
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