[action] [PR:21852] Use pzstd to compress the Docker in SWI slim images #22005
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#### Why I did it
Same with sonic-net#21824
Enabled the docker inram feature for slim image.
It would extract the docker image to ram during the boot, so it would take extra times during boot.
##### Work item tracking
- Microsoft ADO **(number only)**:
31323281
#### How I did it
Use pzstd which is more efficient tool to compress and decompress the docker file to reduce the boot time.
Currently, we do not modify the "FILESYSTEM_DOCKERFS=dockerfs.tar.gz" in onie-image.conf, so for slim image, we still use dockerfs.tar.gz as file name but actually with zstd compressed.
We tried to find out a way to adjust the file name in onie-image.conf, but it seems not easy to do that.
So we use the file cmd to determine the compressing type in union-mount.j2, then use the related cmd to extract the docker file.
Plan to support zstd for all types of images in the future to unify the docker file image .
#### How to verify it
Boot swi slim image and normal image, boot mellanox bin image, all boot successfully.
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- [ ] <!-- image version 2 -->
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#### Link to config_db schema for YANG module changes
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|
Original PR: #21852 |
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/azp run Azure.sonic-buildimage |
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Azure Pipelines successfully started running 1 pipeline(s). |
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Why I did it
Same with #21824
Enabled the docker inram feature for slim image.
It would extract the docker image to ram during the boot, so it would take extra times during boot.
Work item tracking
31323281
How I did it
Use pzstd which is more efficient tool to compress and decompress the docker file to reduce the boot time.
Currently, we do not modify the "FILESYSTEM_DOCKERFS=dockerfs.tar.gz" in onie-image.conf, so for slim image, we still use dockerfs.tar.gz as file name but actually with zstd compressed.
We tried to find out a way to adjust the file name in onie-image.conf, but it seems not easy to do that.
So we use the file cmd to determine the compressing type in union-mount.j2, then use the related cmd to extract the docker file.
Plan to support zstd for all types of images in the future to unify the docker file image .
How to verify it
Boot swi slim image and normal image, boot mellanox bin image, all boot successfully.
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)