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|
#!/usr/bin/env bash
set -e
rm -rf "$DEST"
if ! command -v dockerd &> /dev/null; then
echo >&2 'error: binary-daemon or dynbinary-daemon must be run before run'
false
fi
DOCKER_GRAPHDRIVER=${DOCKER_GRAPHDRIVER:-vfs}
DOCKER_USERLANDPROXY=${DOCKER_USERLANDPROXY:-true}
# example usage: DOCKER_STORAGE_OPTS="dm.basesize=20G,dm.loopdatasize=200G"
storage_params=""
if [ -n "$DOCKER_STORAGE_OPTS" ]; then
IFS=','
for i in ${DOCKER_STORAGE_OPTS}; do
storage_params="--storage-opt $i $storage_params"
done
unset IFS
fi
listen_port=2375
if [ -n "$DOCKER_PORT" ]; then
IFS=':' read -r -a ports <<< "$DOCKER_PORT"
listen_port="${ports[-1]}"
fi
extra_params="$DOCKERD_ARGS"
if [ "$DOCKER_REMAP_ROOT" ]; then
extra_params="$extra_params --userns-remap $DOCKER_REMAP_ROOT"
fi
if [ -n "$DOCKER_EXPERIMENTAL" ]; then
extra_params="$extra_params --experimental"
fi
dockerd="dockerd"
socket=/var/run/docker.sock
if [ -n "$DOCKER_ROOTLESS" ]; then
user="unprivilegeduser"
uid=$(id -u $user)
# shellcheck disable=SC2174
mkdir -p -m 700 "/tmp/docker-${uid}"
chown $user "/tmp/docker-${uid}"
dockerd="sudo -u $user -E XDG_RUNTIME_DIR=/tmp/docker-${uid} -E HOME=/home/${user} -- dockerd-rootless.sh"
socket=/tmp/docker-${uid}/docker.sock
fi
args="--debug \
--host "tcp://0.0.0.0:${listen_port}" --host "unix://${socket}" \
--storage-driver "${DOCKER_GRAPHDRIVER}" \
--userland-proxy="${DOCKER_USERLANDPROXY}" \
$storage_params \
$extra_params"
echo "${dockerd} ${args}"
# shellcheck disable=SC2086
exec "${dockerd}" ${args}
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