Paweł Gronowski 8d9e3502ab hack: Fix TestOverlay* test failure in pkg/archive ...

The pkg/archive/archive_linux_test.go tests create a test archive
content in a temporary directory. This also includes device nodes (using
mknod).
Running these tests in Docker-in-Docker (dind) with systemd was failing
with "operation not permitted" because the rootfs is remounted with
`nodev`.

This change aligns `hack/dind-systemd` with `hack/dind` by
conditionally mounting a `tmpfs` on `/tmp` (with dev enabled),
to make the mknod work.

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

2025-03-26 12:11:44 +00:00

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