app_containers: Detect the user home directory dynamically

...so that we can stop assuming the username inside the container
(although the shortcut generation script still does, but we'll fix that
later, hopefully)
This commit is contained in:
Peter Cai 2022-12-31 15:08:55 -05:00
parent 8aa252305d
commit fd3fcf1e36
1 changed files with 8 additions and 4 deletions

View File

@ -51,14 +51,18 @@ fi
# Default user
run_as=$UID
# We assume the user named `user` inside the container always has the same UID as
# the user with uid $run_as on the host; this is currently not yet configurable
homedir=/home/user
if [ "$CONTAINER_RUN_AS_ROOT" = true ]; then
run_as=0
homedir=/root
fi
homedir=/
for line in $(sudo cat /var/lib/machines/$CONTAINER_NAME/etc/passwd); do
if [ "$(echo "$line" | cut -d: -f3)" == "$run_as" ]; then
homedir="$(echo "$line" | cut -d: -f6)"
break
fi
done
# Userns-related config
# Default to identity mapping, which does not provide uid isolation but does for capabilities
private_users=identity