flatcar-scripts/build_library/dev_image_util.sh
Michael Marineau bb3d751e6f feat(build_image): Generate lists of image contents
Index contents by file and package.
2014-06-08 16:38:54 -04:00

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# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Shell function library for functions specific to creating dev
# images from base images. The main function for export in this
# library is 'install_dev_packages'.
configure_dev_portage() {
# Need profiles at the bare minimum
local repo
for repo in portage-stable coreos-overlay; do
sudo mkdir -p "$1/var/lib/portage/${repo}"
sudo rsync -rtl --exclude=md5-cache \
"${SRC_ROOT}/third_party/${repo}/metadata" \
"${SRC_ROOT}/third_party/${repo}/profiles" \
"$1/var/lib/portage/${repo}"
done
sudo mkdir -p "$1/etc/portage"
sudo_clobber "$1/etc/portage/make.conf" <<EOF
# make.conf for CoreOS dev images
ARCH=$(get_board_arch $BOARD)
CHOST=$(get_board_chost $BOARD)
BOARD_USE="$BOARD"
# Use /var/lib/portage instead of /usr/portage
DISTDIR="/var/lib/portage/distfiles"
PKGDIR="/var/lib/portage/packages"
PORTDIR="/var/lib/portage/portage-stable"
PORTDIR_OVERLAY="/var/lib/portage/coreos-overlay"
EOF
# Now set the correct profile
sudo PORTAGE_CONFIGROOT="$1" ROOT="$1" \
PORTDIR="$1/var/lib/portage/portage-stable" \
PORTDIR_OVERLAY="$1/var/lib/portage/coreos-overlay" \
eselect profile set --force $(get_board_profile $BOARD)
}
detect_dev_url() {
local port=":8080"
local host=$(hostname --fqdn 2>/dev/null)
if [[ -z "${host}" ]]; then
host=$(ip addr show scope global | \
awk '$1 == "inet" { sub(/[/].*/, "", $2); print $2; exit }')
fi
if [[ -n "${host}" ]]; then
echo "http://${host}${port}"
fi
}
create_dev_image() {
local image_name=$1
local disk_layout=$2
local update_group=$3
local devserver=$(detect_dev_url)
local auserver=""
if [[ -n "${devserver}" ]]; then
info "Using ${devserver} for local dev server URL."
auserver="${devserver}/update"
else
info "Unable do detect local dev server address."
fi
info "Building developer image ${image_name}"
local root_fs_dir="${BUILD_DIR}/rootfs"
local image_contents="${image_name%.bin}_contents.txt"
local image_packages="${image_name%.bin}_packages.txt"
start_image "${image_name}" "${disk_layout}" "${root_fs_dir}" "${update_group}"
emerge_to_image "${root_fs_dir}" coreos-base/coreos-dev
write_packages "${root_fs_dir}" "${BUILD_DIR}/${image_packages}"
# Setup portage for emerge and gmerge
configure_dev_portage "${root_fs_dir}" "${devserver}"
sudo_append "${root_fs_dir}/etc/coreos/update.conf" <<EOF
SERVER=${auserver}
# For gmerge
DEVSERVER=${devserver}
EOF
# Mark the image as a developer image (input to chromeos_startup).
# TODO(arkaitzr): Remove this file when applications no longer rely on it
# (crosbug.com/16648). The preferred way of determining developer mode status
# is via crossystem cros_debug?1 (checks boot args for "cros_debug").
sudo mkdir -p "${root_fs_dir}/root"
sudo touch "${root_fs_dir}/root/.dev_mode"
# Remount the system partition read-write by default.
# The remount services are provided by coreos-base/coreos-init
systemd_enable "${root_fs_dir}" "local-fs.target" "remount-usr.service"
finish_image "${disk_layout}" "${root_fs_dir}" "${image_contents}"
upload_image -d "${BUILD_DIR}/${image_name}.bz2.DIGESTS" \
"${BUILD_DIR}/${image_contents}" \
"${BUILD_DIR}/${image_packages}" \
"${BUILD_DIR}/${image_name}"
}