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54d43ecaed
The code from github.com/opencontainers/runc/libcontainer/userns package
was moved into github.com/moby/sys/user and github.com/moby/sys/userns
(see [1]), and the runc package is now deprecated in favor of moby/sys
(see [2]).
In addition, moby/sys/userns now has a non-Linux implementation, so
pkg/kubelet/user/userns package (introduced in commit 2e999ff to make a
non-Linux implementation) is not really needed anymore.
Let's switch to moby/sys/userns, and remove the package.
[1]: https://github.com/moby/sys/releases/tag/userns%2Fv0.1.0
[2]: https://github.com/opencontainers/runc/pull/4350
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
17 lines
722 B
Go
17 lines
722 B
Go
// Package userns provides utilities to detect whether we are currently running
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// in a Linux user namespace.
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//
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// This code was migrated from [libcontainer/runc], which based its implementation
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// on code from [lcx/incus].
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//
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// [libcontainer/runc]: https://github.com/opencontainers/runc/blob/3778ae603c706494fd1e2c2faf83b406e38d687d/libcontainer/userns/userns_linux.go#L12-L49
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// [lcx/incus]: https://github.com/lxc/incus/blob/e45085dd42f826b3c8c3228e9733c0b6f998eafe/shared/util.go#L678-L700
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package userns
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// RunningInUserNS detects whether we are currently running in a Linux
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// user namespace and memoizes the result. It returns false on non-Linux
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// platforms.
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func RunningInUserNS() bool {
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return inUserNS()
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}
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