90ae592ff1
This ensures that both UID and GID of the builder user inside the container is aligned with the caller of kas-docker - or that of "docker run" when "-e GROUP_ID=..." is specified. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
51 lines
999 B
Bash
Executable File
51 lines
999 B
Bash
Executable File
#!/bin/bash
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if mount | grep -q "on / type aufs"; then
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cat <<EOF >&2
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WARNING: Generation of wic images will fail!
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Your docker host setup uses broken aufs as storage driver. Adjust the docker
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configuration to use a different driver (overlay, overlay2, devicemapper). You
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may also need to update the host distribution (e.g. Debian Jessie -> Stretch).
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EOF
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fi
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USER_ID=${USER_ID:-30000}
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GROUP_ID=${GROUP_ID:-30000}
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if [ $USER_ID == 0 ]; then
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# We shall run everything as root
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mkdir -p /builder
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GOSU=""
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else
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if ! grep -q "^builder:" /etc/group; then
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groupadd -o --gid $GROUP_ID builder
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fi
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if ! id builder >/dev/null 2>&1; then
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# Create a non-root user that will perform the actual build
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useradd -o --uid $USER_ID --gid $GROUP_ID --create-home \
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--home-dir /builder builder
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fi
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GOSU="gosu builder"
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fi
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if [ "$PWD" = / ]; then
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cd /builder
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fi
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if [ -n "$1" ]; then
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case "$1" in
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build|shell|-*)
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exec $GOSU kas "$@"
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;;
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*)
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exec $GOSU "$@"
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;;
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esac
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else
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exec $GOSU bash
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fi
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