buildall.sh

#!/bin/bash

# Copyright (C) 2016 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

PIDS=()

trap cleanup SIGINT SIGTERM ERR
function cleanup () {
	# Since we're calling kill again on the entire process group make sure
	# to not recurse into cleanup() by disabling the trap on SIGTERM.
	trap - SIGTERM
	kill -- -$$

	exit 1
}

function build_images {
	PIDS=()
	localrepo=$2
	tmpdir=$(mktemp --tmpdir -d tmp-buildall.XXX)

	echo "Building in $tmpdir"

	for i in $1; do
		IMAGETAG=$(basename $i)
		CONTEXTDIR=$tmpdir/$IMAGETAG

		mkdir $CONTEXTDIR
		cd $CONTEXTDIR

		# Replace the rewitt/yocto repo with the newly one meant for testing
		cp $i/Dockerfile .
		sed -i -e "s#rewitt/yocto#$2#" Dockerfile
		echo "Building $localrepo:$IMAGETAG"
		bash -c "docker build --force-rm -t $localrepo:$IMAGETAG . > \
			build.log || \
			echo \"$IMAGETAG build failed\" \
			tail -f build.log \
			echo -e \"\n\n\"" &
		PIDS=( ${PIDS[@]} $! )

		cd -
	done
}

function waitforimages {
	numpids=${#PIDS[@]}
	while [ $numpids -gt 0 ]; do
		echo "waiting for $numpids images to be built"
		wait -n
		if [ $? -ne 0 ]; then
			cleanup
		fi
		numpids=$((numpids-1))
	done
}


set -e

SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd $SCRIPTDIR

if [ "x" = "x$REPO" ]; then
	# Create a uid for the repo so we don't overwrite any user images
	REPO=$(uuidgen)-yocto-docker-test
fi

# Build the "base" images first
DIRS=$(readlink -f $(dirname $(find -path '*base/Dockerfile')))
build_images "$DIRS" $REPO
waitforimages

DIRS=$(readlink -f $(dirname $(find -path '*builder/Dockerfile')))
build_images "$DIRS" $REPO
waitforimages