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60 lines
1.9 KiB
Bash
Executable File
60 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# This entrypoint allows us to set the UID and GID of the host user so that
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# our testing environment does not override files permissions from the host.
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# Credits: https://github.com/thecodingmachine/docker-images-php.
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set +e
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mkdir -p testing_file_system_rights.foo
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chmod 700 testing_file_system_rights.foo
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su gotenberg -c "touch testing_file_system_rights.foo/foo > /dev/null 2>&1"
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HAS_CONSISTENT_RIGHTS=$?
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if [[ "$HAS_CONSISTENT_RIGHTS" != "0" ]]; then
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# If not specified, the DOCKER_USER is the owner of the current working directory (heuristic!).
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DOCKER_USER=$(stat -c '%u' "$(pwd)")
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else
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# macOs or Windows.
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# Note: in most cases, we don't care about the rights (they are not respected).
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FILE_OWNER=$(stat -c '%u' "testing_file_system_rights.foo/foo")
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if [[ "$FILE_OWNER" == "0" ]]; then
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# If root, we are likely on a Windows host.
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# All files will belong to root, but it does not matter as everybody can write/delete
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# those (0777 access rights).
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DOCKER_USER=gotenberg
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else
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# In case of a NFS mount (common on macOS), the created files will belong to the NFS user.
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DOCKER_USER=$FILE_OWNER
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fi
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fi
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rm -rf testing_file_system_rights.foo
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set -e
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unset HAS_CONSISTENT_RIGHTS
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# Note: DOCKER_USER is either a username (if the user exists in the container),
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# otherwise a user ID (a user from the host).
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# DOCKER_USER is an ID.
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if [[ "$DOCKER_USER" =~ ^[0-9]+$ ]] ; then
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# Let's change the gotenberg user's ID in order to match this free ID.
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usermod -u "$DOCKER_USER" -G sudo gotenberg
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DOCKER_USER=gotenberg
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fi
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DOCKER_USER_ID=$(id -ur $DOCKER_USER)
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# Fix access rights to stdout and stderr.
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set +e
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chown $DOCKER_USER /proc/self/fd/{1,2}
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set -e
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# Install modules.
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set -x
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go mod download
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go mod tidy
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set +x
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# Run the command with the correct user.
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exec "sudo" "-E" "-H" "-u" "#$DOCKER_USER_ID" "$@"
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