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Support recursive mount attrs by using mount_setattr(2). #1398

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merged 2 commits into from
Dec 13, 2022

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higuruchi
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Implement "rro" mount option that implemented in runc(opencontainers/runc#3272) and crun(containers/crun#778).

This mount option "rro" makes the mount point recursively read-only, by calling mount_setattr(2) with MOUNT_ATTR_RDONLY and AT_RECURSIVE.

Signed-off-by: higuruchi fumiya2324@gmail.com

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codecov-commenter commented Dec 6, 2022

Codecov Report

Merging #1398 (0631de9) into main (3a6d105) will increase coverage by 0.21%.
The diff coverage is 86.15%.

Additional details and impacted files
@@            Coverage Diff             @@
##             main    #1398      +/-   ##
==========================================
+ Coverage   68.80%   69.02%   +0.21%     
==========================================
  Files         119      119              
  Lines       12664    13041     +377     
==========================================
+ Hits         8713     9001     +288     
- Misses       3951     4040      +89     

@higuruchi higuruchi marked this pull request as draft December 6, 2022 12:07
@higuruchi higuruchi force-pushed the Support/Recursive_mount_attrs branch 2 times, most recently from c1f61f3 to 7e886ad Compare December 6, 2022 12:21
Signed-off-by: higuruchi <fumiya2324@gmail.com>
@higuruchi higuruchi force-pushed the Support/Recursive_mount_attrs branch from 7e886ad to 7c4ff41 Compare December 6, 2022 12:28
@higuruchi higuruchi marked this pull request as ready for review December 6, 2022 12:37
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Thanks for your PR. Awesome. I left some comments

@higuruchi higuruchi force-pushed the Support/Recursive_mount_attrs branch 7 times, most recently from afa6111 to f25f745 Compare December 11, 2022 04:23
Implemented MountAttrOption enum.

Signed-off-by: higuruchi <fumiya2324@gmail.com>
MountAttrNosymfollow(bool, u64),
}

impl FromStr for MountAttrOption {
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I love it

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@higuruchi May I ask you to add a test about this in another PR? If you don't have time, please create the issue, and we can take over from you.

@utam0k utam0k merged commit 6d698da into youki-dev:main Dec 13, 2022
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I have never written a test for youki, can I try it?

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utam0k commented Dec 15, 2022

I have never written a test for youki, can I try it?

@higuruchi Sure! If you have trouble or a question about that, please create the issue and ping me or @YJDoc2 (He is a professional for our integration test)

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YJDoc2 commented Dec 18, 2022

@higuruchi Sure, let me know if you face any issues. Currently #361 is used to track porting of OCI integration tests, you can take a look at it and start from there 👍

@higuruchi higuruchi mentioned this pull request Dec 19, 2022
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4 participants