use containerd/sys to detect UserNamespaces#41108
Merged
cpuguy83 merged 4 commits intomoby:masterfrom Jun 15, 2020
Merged
Conversation
The implementation in libcontainer/system is quite complicated, and we only use it to detect if user-namespaces are enabled. In addition, the implementation in containerd uses a sync.Once, so that detection (and reading/parsing `/proc/self/uid_map`) is only performed once. Signed-off-by: Sebastiaan van Stijn <[email protected]>
The implementation in libcontainer/system is quite complicated, and we only use it to detect if user-namespaces are enabled. In addition, the implementation in containerd uses a sync.Once, so that detection (and reading/parsing `/proc/self/uid_map`) is only performed once. Signed-off-by: Sebastiaan van Stijn <[email protected]>
The implementation in libcontainer/system is quite complicated, and we only use it to detect if user-namespaces are enabled. In addition, the implementation in containerd uses a sync.Once, so that detection (and reading/parsing `/proc/self/uid_map`) is only performed once. Signed-off-by: Sebastiaan van Stijn <[email protected]>
The implementation in libcontainer/system is quite complicated, and we only use it to detect if user-namespaces are enabled. In addition, the implementation in containerd uses a sync.Once, so that detection (and reading/parsing `/proc/self/uid_map`) is only performed once. Signed-off-by: Sebastiaan van Stijn <[email protected]>
thaJeztah
added
status/2-code-review
area/security/userns
kind/refactor
Member
Author
|
@AkihiroSuda @cpuguy83 PTAL |
AkihiroSuda
approved these changes
Jun 15, 2020
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
The implementation in libcontainer/system is quite complicated,
and we only use it to detect if user-namespaces are enabled.
In addition, the implementation in containerd uses a sync.Once,
so that detection (and reading/parsing
/proc/self/uid_map) isonly performed once.