25b6a6ecee
Currently, our docker-run helper will decide on its own whether it
should use docker (preferred) or podman (fallback), as introduced in
9a629f5129 (utils/docker-run: allow running with Podman). In case
both are installed, it is not possible to exercise the podman case.
Often, 'docker' is just an alias for 'podman' when both are available,
but this is not always true - and in the latter case, the user needs to
be able to choose which one they want.
Allow the user to force the one to use, by setting the BR2_DOCKER
environment variable. If that is set and it doesn't exist, exit with
an explicit error message (rather than relying on the failure when
eventually exec-ing the specified command).
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Ricardo Martincoski <ricardo.martincoski@datacom.com.br>
Cc: Julien Olivain <ju.o@free.fr>
Cc: Fiona Klute <fiona.klute@gmx.de>
Reviewed-by: Fiona Klute (WIWA) <fiona.klute@gmx.de>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
110 lines
3.4 KiB
Bash
Executable File
110 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -o errexit -o pipefail
|
|
DIR=$(dirname "${0}")
|
|
MAIN_DIR=$(readlink -f "${DIR}/..")
|
|
if [ -L "${MAIN_DIR}/.git/config" ]; then
|
|
# Support git-new-workdir
|
|
GIT_DIR="$(dirname "$(realpath "${MAIN_DIR}/.git/config")")"
|
|
else
|
|
# Support git-worktree
|
|
GIT_DIR="$(cd "${MAIN_DIR}" && git rev-parse --no-flags --git-common-dir)"
|
|
fi
|
|
if test -z "${IMAGE}" ; then
|
|
# shellcheck disable=SC2016
|
|
IMAGE=$(grep ^image: "${MAIN_DIR}/.gitlab-ci.yml" | \
|
|
sed -e 's,^image: ,,g' | sed -e 's,\$CI_REGISTRY,registry.gitlab.com,g')
|
|
fi
|
|
|
|
declare -a docker_opts=(
|
|
-i
|
|
--rm
|
|
--user "$(id -u):$(id -g)"
|
|
--workdir "$(pwd)"
|
|
--security-opt label=disable
|
|
--network host
|
|
)
|
|
|
|
declare -a mountpoints=(
|
|
"${MAIN_DIR}"
|
|
"$(pwd)"
|
|
)
|
|
|
|
# We use the PODMAN_USERNS environment variable rather than using the
|
|
# --userns command line argument because Fedora system may have the
|
|
# podman-docker package installed, providing the "docker"
|
|
# compatibility command.
|
|
export PODMAN_USERNS="keep-id"
|
|
|
|
if [ "${BR2_DOCKER}" ]; then
|
|
if command -v "${BR2_DOCKER}" >/dev/null; then
|
|
DOCKER="${BR2_DOCKER}"
|
|
else
|
|
printf 'ERROR: Command "%s" (from env BR2_DOCKER) not found.\n' "${BR2_DOCKER}" >&2
|
|
exit 1
|
|
fi
|
|
elif command -v docker >/dev/null; then
|
|
DOCKER="docker"
|
|
elif command -v podman >/dev/null; then
|
|
DOCKER="podman"
|
|
else
|
|
echo "ERROR: Neither docker nor podman available!" >&2
|
|
exit 1
|
|
fi
|
|
|
|
# curl lists (and recognises and uses) other types of *_proxy variables,
|
|
# but only those make sense for Buildroot:
|
|
for env in all_proxy http_proxy https_proxy ftp_proxy no_proxy; do
|
|
if [ "${!env}" ]; then
|
|
docker_opts+=( --env "${env}" )
|
|
# The lower-case variant takes precedence on the upper-case one
|
|
# (dixit curl)
|
|
continue
|
|
fi
|
|
# http_proxy is only lower-case (dixit curl)
|
|
if [ "${env}" = http_proxy ]; then
|
|
continue
|
|
fi
|
|
# All the others also exist in the upper-case variant
|
|
env="${env^^}"
|
|
if [ "${!env}" ]; then
|
|
docker_opts+=( --env "${env}" )
|
|
fi
|
|
done
|
|
|
|
# Empty GIT_DIR means that we are not in a workdir, *and* git is too old
|
|
# to know about worktrees, so we're not in a worktree either. So it means
|
|
# we're in the main git working copy, and thus we don't need to mount the
|
|
# .git directory.
|
|
if [ "${GIT_DIR}" ]; then
|
|
# GIT_DIR in the main working copy (when git supports worktrees) will
|
|
# be just '.git', but 'docker run' needs an absolute path. If it is
|
|
# not absolute, GIT_DIR is relative to MAIN_DIR. If it's an absolute
|
|
# path already (in a wordir), then that's a noop.
|
|
GIT_DIR="$(cd "${MAIN_DIR}"; readlink -e "${GIT_DIR}")"
|
|
mountpoints+=( "${GIT_DIR}" )
|
|
|
|
# 'repo' stores .git/objects separately.
|
|
if [ -L "${GIT_DIR}/objects" ]; then
|
|
# GITDIR is already an absolute path, but for symmetry
|
|
# with the above, keep the same cd+readlink construct.
|
|
OBJECTS_DIR="$(cd "${MAIN_DIR}"; readlink -e "${GIT_DIR}/objects")"
|
|
mountpoints+=( "${OBJECTS_DIR}" )
|
|
fi
|
|
fi
|
|
|
|
if [ "${BR2_DL_DIR}" ]; then
|
|
mountpoints+=( "${BR2_DL_DIR}" )
|
|
docker_opts+=( --env BR2_DL_DIR )
|
|
fi
|
|
|
|
# shellcheck disable=SC2013 # can't use while-read because of the assignment
|
|
for dir in $(printf '%s\n' "${mountpoints[@]}" |LC_ALL=C sort -u); do
|
|
docker_opts+=( --mount "type=bind,src=${dir},dst=${dir}" )
|
|
done
|
|
|
|
if tty -s; then
|
|
docker_opts+=( -t )
|
|
fi
|
|
|
|
exec ${DOCKER} run "${docker_opts[@]}" "${IMAGE}" "${@}"
|