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#!/bin/bash
#
# Copyright 2017 Bloomberg Finance LP
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Charles Bailey <cbailey32@bloomberg.net>
# Sam Thursfield <sam.thursfield@codethink.co.uk>
# This is a helper script for using BuildStream via Docker. See
# docs/source/install.rst for documentation.
usage() {
cat <<EOF
USAGE: $(basename "$0") [-i BST_HERE_IMAGE] [-j TAG] [-p] [-t] [-T] [-v VOLUME ...] [-h] [COMMAND [ARG..]]
Run a bst command in a new BuildStream container.
If no command is specified, an interactive shell is launched
using "/bin/bash -i".
See https://hub.docker.com/r/buildstream/buildstream for details on image
variants.
OPTIONS:
-i IMAGE Specify Docker image to use; can also be specified by setting
BST_HERE_IMAGE environment variable.
(default: buildstream/buildstream)
-j TAG Specify the tag of the Docker image to use.
(default: latest)
-p Pull the latest buildstream image before running.
-t Force pseudo-terminal allocation.
-T Disable pseudo-terminal allocation.
-v VOLUME Specify additional volumes to mount; should be in format
'host-src:container-dest' same as 'docker run -v'.
-h Print this help text and exit.
EOF
exit "$1"
}
bst_here_image="${BST_HERE_IMAGE:-buildstream/buildstream}"
bst_here_tag=
is_tty=
update=false
extra_volumes_opt=
if test -t 0
then
is_tty=y
fi
while getopts i:j:ptTv:h arg
do
case $arg in
i)
bst_here_image="$OPTARG"
;;
j)
bst_here_tag="$OPTARG"
;;
p)
update=true
;;
T)
is_tty=
;;
t)
is_tty=y
;;
v)
extra_volumes_opt="$extra_volumes_opt --volume $OPTARG"
;;
h)
usage 0
;;
\?)
usage 1
esac
done
if [ -n "$bst_here_tag" ]; then
bst_here_image="$bst_here_image:$bst_here_tag"
fi
test "$OPTIND" -gt 1 &&
shift $(( OPTIND - 1 ))
for vol in buildstream-cache buildstream-config
do
docker volume create "$vol" >/dev/null
done
BST_HERE_PS1="\[\033[01;34m\]\w\[\033[00m\]> "
if [ "$#" -eq 0 ]; then
command="/bin/bash -i"
else
command="/usr/local/bin/bst $@"
fi
if "$update" == true
then
docker pull "$bst_here_image"
fi
# FIXME: We run with --privileged to allow bwrap to mount system
# directories, but this is overkill. We should add the correct
# --cap-add calls, or seccomp settings, but we are not sure
# what those are yet.
#
# Old settings:
# --cap-add SYS_ADMIN
# --security-opt seccomp=unconfined
#
exec docker run --rm -i${is_tty:+ -t} \
--privileged \
--env PS1="$BST_HERE_PS1" \
--device /dev/fuse \
--volume buildstream-cache:/root/.cache/buildstream \
--volume buildstream-config:/root/.config \
--volume "$PWD":/src \
$extra_volumes_opt \
--workdir /src \
"$bst_here_image" \
$command
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