Errors when building an image about fuse-overlayfs HOT 14 CLOSED

First have you tried as root?
What does
$ podman cat /proc/self/uid_map

Show

from fuse-overlayfs.

On host:

❯ cat /etc/subgid /etc/subuid /proc/self/uid_map
francisco:100000:65536
francisco:100000:65536
         0          0 4294967295

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Also, I didn't try it as root, as it was working rootless before. My intent is to use it rootless. I finished build the same image with Docker, but hence, I had to run it with sudo.

from fuse-overlayfs.

I need podman unshare cat proc/self/uid_map

from fuse-overlayfs.

Just checking for root, to see if there are just issues on rootless.

from fuse-overlayfs.

❯ podman cat /proc/self/uid_map
Error: unrecognized command `podman cat`
Try 'podman --help' for more information.

❯ podman unshare cat proc/self/uid_map
cat: proc/self/uid_map: No such file or directory
Error: exit status 1

from fuse-overlayfs.

podman unshare cat /proc/self/uid_map

from fuse-overlayfs.

❯ podman unshare cat /proc/self/uid_map
         0       1000          1
         1     100000      65536

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I'll leave the build command running as root, but I'll have the result only tomorrow, as this build takes a lot of time.

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Ok, User Namespace looks good.
@giuseppe PTAL

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Build successful as root, just like with docker. So it looks like I'm hitting issues when running rootless now, which I didn't hit earlier.

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Well, when running in root I think there were some different configurations, for example, there's no uid/gip mapping, and also, the final image got double the size than I expected, I think it's because root isn't using layered filesystem, I've only configured that to my user.

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could you try #123 ?

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@giuseppe I just tried. I believe it's fixed. Sorry but I didn't rebuild the image from scratch as it's quite annoying. But, I didn't face containers/buildah#1868 after applying #123. Meaning, after an image upgrade, and installing some new tools, and squashing the image with buildah, I didn't end up with missing files. all was there. I think that issue relates to this one? It looks like for me, so I think this one is also fixed.

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