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[Reclaim buffer][202106] Common infrastructure update for reclaiming buffer #9323

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stephenxs
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Why I did it

This is to update the common sonic-buildimage infra for reclaiming buffer.

How I did it

  • Render zero_profiles.j2 to zero_profiles.json for vendors that support reclaiming buffer
    The zero profiles will be referenced in PR [Reclaim buffer][202106] Reclaim unused buffers by applying zero buffer profiles #9062 on Mellanox platforms and there will be test cases to verify the behavior there.
    Rendering is done here for passing azure pipeline.
  • Load zero_profiles.json when the dynamic buffer manager starts
  • Generate inactive port list to reclaim buffer

It depends on PR sonic-net/sonic-swss#2038

How to verify it

Which release branch to backport (provide reason below if selected)

  • 201811
  • 201911
  • 202006
  • 202012
  • 202106

Description for the changelog

A picture of a cute animal (not mandatory but encouraged)

@stephenxs stephenxs changed the title [Reclaim buffer] Common infrastructure update for reclaiming buffer [Reclaim buffer][202106] Common infrastructure update for reclaiming buffer Nov 19, 2021
@stephenxs
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Can be cherry-picked from master. Close it.

@stephenxs stephenxs closed this Nov 19, 2021
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