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Why I did it
sonic-pit is originated from S3IP(Simplify Switch System Integration Program) PIT(Platform Integration Test). It's designed to verify switch devices in the process of development, manufacturing and delivering stages. It focus on 2 roles: ODM and user. ODM may use PIT in developing and manufaturing stages, user may use PIT in delivery stage for acceptance test. It aims to provide an verify system for siwtch devices' hardware, drivers and firmware. More information, see HLD: https://github.com/clarklee-guizhao/SONiC/blob/pit/doc/pit/Platform_Integration_Test_high_level_design.md
How I did it
Porting sonic-pit from S3IP-PIT, make the original code clean enough, add PIT source as sonic-pit, add PIT running environment as docker-pit.
How to verify it
Build docker docker-pit, deploy it onto devices which support sonic-pit, run pit.
Which release branch to backport (provide reason below if selected)
Description for the changelog
Add PIT, whihc include sonic-pit(the PIT system) and docker-pit(the running environment for sonic-pit).
Ensure to add label/tag for the feature raised.
PR#1014Add PIT HLD document.
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)