You should be able to build OCI images #1

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opened 2024-01-04 18:11:11 -07:00 by neale · 1 comment

neale commented

2024-01-04 18:11:11 -07:00

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Seems like rootless podman would let you build OCI images inside a big-builder image.

neale commented

2024-01-04 18:53:45 -07:00

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Here's the last thing I tried, and how it failed:

sweetums:~# podman exec -it -u 0 builder-betty bash
root@c6e1967b652e:/app# cat > /etc/subgid
builder:100000:65535
root@c6e1967b652e:/app# cat > /etc/subuid
builder:100000:65535
root@c6e1967b652e:/app# exit
sweetums:~# podman exec -it builder-betty bash
builder@c6e1967b652e:~$ podman run --rm -it alpine
ERRO[0000] running `/usr/bin/newuidmap 38 0 1000 1 1 100000 65535`: newuidmap: write to uid_map failed: Operation not permitted
Error: cannot set up namespace using "/usr/bin/newuidmap": exit status 1

I should note that podman in podman works great on alpine. But arduino doesn't.

Here's the last thing I tried, and how it failed: ```sh sweetums:~# podman exec -it -u 0 builder-betty bash root@c6e1967b652e:/app# cat > /etc/subgid builder:100000:65535 root@c6e1967b652e:/app# cat > /etc/subuid builder:100000:65535 root@c6e1967b652e:/app# exit sweetums:~# podman exec -it builder-betty bash builder@c6e1967b652e:~$ podman run --rm -it alpine ERRO[0000] running `/usr/bin/newuidmap 38 0 1000 1 1 100000 65535`: newuidmap: write to uid_map failed: Operation not permitted Error: cannot set up namespace using "/usr/bin/newuidmap": exit status 1 ``` I should note that podman in podman works great on alpine. But arduino doesn't.

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Reference: neale/big-builder#1

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