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Check if group/user exists (#176)

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Ensure that group and user do not already exist before creating them.

Fixes #174
This commit is contained in:
Ed Summers 2022-11-03 20:28:13 -04:00 • committed by GitHub
parent ffa3174578
commit cd17764b77
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1 changed files with 12 additions and 11 deletions
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23
docker-entrypoint.sh
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@ -1,26 +1,27 @@
#!/bin/sh
set -e
# Get UID/GID from volume dir
VOLUME_UID=$(stat -c '%u' /crawls)
VOLUME_GID=$(stat -c '%g' /crawls)
# Get the UID/GID we are running as
MY_UID=$(id -u)
MY_GID=$(id -g)
# Run as custom user
# If we aren't running as the owner of the /crawls/ dir then add a new user
# btrix with the same UID/GID of the /crawls dir and run as that user instead.
if [ "$MY_GID" != "$VOLUME_GID" ] || [ "$MY_UID" != "$VOLUME_UID" ]; then
# create or modify user and group to match expected uid/gid
groupadd --gid $VOLUME_GID archivist || groupmod -o --gid $VOLUME_GID archivist
useradd -ms /bin/bash -u $VOLUME_UID -g $VOLUME_GID archivist || usermod -o -u $VOLUME_UID archivist
groupadd btrix
groupmod -o --gid $VOLUME_GID btrix
useradd -ms /bin/bash -g $VOLUME_GID btrix
usermod -o -u $VOLUME_UID btrix > /dev/null
cmd="cd $PWD; $@"
# run process as new archivist user
su archivist -c "$cmd"
# run as current user (root)
su btrix -c "$cmd"
else
exec $@
fi