socket: try removing if socket-location is a directory on Linux #74
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Oops, didn't stage some files and pushed the wrong version; fixing now |
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done 😅 |
tiborvass
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Aug 29, 2020
| return nil, err | ||
| // Using syscall.Unlink(), not os.Remove() to prevent deleting the socket if it's in use | ||
| if err := syscall.Unlink(path); err != nil && !os.IsNotExist(err) { | ||
| if err != syscall.EISDIR { |
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OS X and Linux differ on whether unlink(dir)
returns EISDIR,
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Ah, interesting. I guess it's still ok to retry on Linux only then? Added a comment
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Due to race-conditions between containers starting and the Docker remote API being up, containers bind-mounting the docker-socket may cause the socket-path to be created as a directory. This patch will attempt to remove the directory in such situations. Removing will fail if the directory is not empty. MacOS does not allow us to detect that the path is a directory, and we'll return immediately instead of retrying. Signed-off-by: Sebastiaan van Stijn <[email protected]>
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macOS is failing due to the tempdir-location and/or permissions of it; I'll have to look at that; not a "real" failure, just have to look at how to make the test work |
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Alternative for #72. Relates to moby/moby#41392
Due to race-conditions between containers starting and the Docker remote API being up, containers bind-mounting the docker-socket may cause the socket-path to be created as a directory.
This patch will attempt to remove the directory in such situations. Removing will fail if the directory is not empty.