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|
#!/bin/bash
# Make it easy to build a docker image aimed at building the docker
# package, and the build the package, either as unprivileged user or
# as root. The idea with building as root is that it allows to run
# more unit tests.
#
# Copyright: Arnaud Rebillout <elboulangero@gmail.com>
# License: GPL-3+
set -e
set -u
DOCKER=docker
APT_PROXY=
IMAGE_TAG=${IMAGE_TAG:-debian/sid/docker-builder}
ACNG_PORT=${ACNG_PORT:-3142}
CMD=${1:-}
shift || :
## misc helpers
fail() {
echo >&2 "$@"
exit 1
}
user_in_docker_group() {
id -Gn | grep -q '\bdocker\b'
}
apt_cacher_ng_running() {
command -v nc >/dev/null 2>&1 || return 1
nc -z localhost $1
}
## docker helpers
docker_build() {
local opts=()
[ "$APT_PROXY" ] && \
opts+=("--build-arg" "http_proxy=$APT_PROXY")
$DOCKER build \
"${opts[@]}" \
-t $IMAGE_TAG \
.
}
docker_run_as_user() {
$DOCKER run -it --rm \
-u $(id -u):$(id -g) \
-v /etc/group:/etc/group:ro \
-v /etc/passwd:/etc/passwd:ro \
-v $(pwd)/..:/usr/src/ \
-w /usr/src/$(basename $(pwd)) \
$IMAGE_TAG \
"$@"
}
docker_run_as_root() {
$DOCKER run -it --rm \
--privileged \
-v $(pwd)/..:/usr/src \
-w /usr/src/$(basename $(pwd)) \
$IMAGE_TAG \
"$@"
}
## main
[ -d debian ] || \
fail "No 'debian' directory. Please run from the root of the source tree"
if ! user_in_docker_group; then
DOCKER='sudo docker'
echo "You are not part of the docker group, running docker with '$DOCKER'"
fi
if apt_cacher_ng_running $ACNG_PORT; then
APT_PROXY="http://172.17.0.1:$ACNG_PORT"
echo "Detected local apt proxy, using $APT_PROXY as container proxy"
fi
case "$CMD" in
(build)
cd debian
docker_build ;;
(run-user)
docker_run_as_user "$@" ;;
(run-root)
docker_run_as_root "$@" ;;
(*)
fail "Usage: $(basename $0) build | run-user [CMD] | run-root [CMD]" ;;
esac
# vim: et sts=4 sw=4
|
