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[PULL,05/40] tests/docker: Specify --userns keep-id for Podman

Message ID 20240705153052.1219696-6-alex.bennee@linaro.org
State Accepted
Commit aa8246d8b4f81d5a552837c825fa4c72c55e1de9
Headers show
Series [PULL,01/40] tests/lcitool: fix debian-i686-cross toolchain prefix | expand

Commit Message

Alex Bennée July 5, 2024, 3:30 p.m. UTC 
From: Akihiko Odaki <akihiko.odaki@daynix.com>

Previously we are always specifying -u $(UID) to match the UID in the
container with one outside. This causes a problem with rootless Podman.

Rootless Podman remaps user IDs in the container to ones controllable
for the current user outside. The -u option instructs Podman to use
a specified UID in the container but does not affect the UID remapping.
Therefore, the UID in the container can be remapped to some other UID
outside the container. This can make the access to bind-mounted volumes
fail because the remapped UID mismatches with the owner of the
directories.

Replace -u $(UID) with --userns keep-id, which fixes the UID remapping.
This change is limited to Podman because Docker does not support
--userns keep-id.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240626-podman-v1-1-f8c8daf2bb0a@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-6-alex.bennee@linaro.org>
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Patch

diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 8df50a0ca0..708e3a72fb 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -207,7 +207,12 @@  docker-run: docker-qemu-src
 	$(call quiet-command,						\
 		$(RUNC) run 						\
 			--rm						\
-			$(if $(NOUSER),,-u $(UID)) 			\
+			$(if $(NOUSER),,				\
+				$(if $(filter docker,$(RUNC)),		\
+					-u $(UID),			\
+					--userns keep-id		\
+				)					\
+			) 						\
 			--security-opt seccomp=unconfined		\
 			$(if $(DEBUG),-ti,)				\
 			$(if $(NETWORK),$(if $(subst $(NETWORK),,1),--net=$(NETWORK)),--net=none) \