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c3d07e942c
The /usr images must be identical across groups so that information is static. Eventually the default will be 'stable'
113 lines
3.7 KiB
Bash
Executable File
113 lines
3.7 KiB
Bash
Executable File
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Shell function library for functions specific to creating dev
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# images from base images. The main function for export in this
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# library is 'install_dev_packages'.
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configure_dev_portage() {
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# Need profiles at the bare minimum
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local repo
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for repo in portage-stable coreos-overlay; do
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sudo mkdir -p "$1/var/lib/portage/${repo}"
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sudo rsync -rtl --exclude=md5-cache \
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"${SRC_ROOT}/third_party/${repo}/metadata" \
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"${SRC_ROOT}/third_party/${repo}/profiles" \
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"$1/var/lib/portage/${repo}"
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done
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sudo mkdir -p "$1/etc/portage"
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sudo_clobber "$1/etc/portage/make.conf" <<EOF
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# make.conf for CoreOS dev images
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ARCH=$(get_board_arch $BOARD)
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CHOST=$(get_board_chost $BOARD)
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BOARD_USE="$BOARD"
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# Use /var/lib/portage instead of /usr/portage
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DISTDIR="/var/lib/portage/distfiles"
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PKGDIR="/var/lib/portage/packages"
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PORTDIR="/var/lib/portage/portage-stable"
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PORTDIR_OVERLAY="/var/lib/portage/coreos-overlay"
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EOF
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# Now set the correct profile
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sudo PORTAGE_CONFIGROOT="$1" ROOT="$1" \
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PORTDIR="$1/var/lib/portage/portage-stable" \
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PORTDIR_OVERLAY="$1/var/lib/portage/coreos-overlay" \
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eselect profile set --force $(get_board_profile $BOARD)
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}
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detect_dev_url() {
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local port=":8080"
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local host=$(hostname --fqdn 2>/dev/null)
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if [[ -z "${host}" ]]; then
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host=$(ip addr show scope global | \
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awk '$1 == "inet" { sub(/[/].*/, "", $2); print $2; exit }')
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fi
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if [[ -n "${host}" ]]; then
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echo "http://${host}${port}"
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fi
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}
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# Modifies an existing image to add development packages.
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# Takes as an arg the name of the image to be created.
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install_dev_packages() {
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local image_name=$1
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local disk_layout=$2
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local devserver=$(detect_dev_url)
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local auserver=""
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if [[ -n "${devserver}" ]]; then
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info "Using ${devserver} for local dev server URL."
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auserver="${devserver}/update"
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else
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info "Unable do detect local dev server address."
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fi
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info "Adding developer packages to ${image_name}"
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local root_fs_dir="${BUILD_DIR}/rootfs"
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"${BUILD_LIBRARY_DIR}/disk_util" --disk_layout="${disk_layout}" \
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mount "${BUILD_DIR}/${image_name}" "${root_fs_dir}"
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trap "cleanup_mounts '${root_fs_dir}' && delete_prompt" EXIT
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# Install developer packages described in coreos-dev.
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emerge_to_image --root="${root_fs_dir}" coreos-base/coreos-dev
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# Make sure profile.env and ld.so.cache has been generated
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sudo ROOT="${root_fs_dir}" env-update
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# Setup portage for emerge and gmerge
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configure_dev_portage "${root_fs_dir}" "${devserver}"
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sudo_append "${root_fs_dir}/etc/coreos/update.conf" <<EOF
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SERVER=${auserver}
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# For gmerge
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DEVSERVER=${devserver}
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EOF
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# Mark the image as a developer image (input to chromeos_startup).
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# TODO(arkaitzr): Remove this file when applications no longer rely on it
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# (crosbug.com/16648). The preferred way of determining developer mode status
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# is via crossystem cros_debug?1 (checks boot args for "cros_debug").
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sudo mkdir -p "${root_fs_dir}/root"
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sudo touch "${root_fs_dir}/root/.dev_mode"
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# Remount the system partition read-write by default.
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# The remount services are provided by coreos-base/coreos-init
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local fs_wants="${root_fs_dir}/usr/lib/systemd/system/local-fs.target.wants"
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sudo mkdir -p "${fs_wants}"
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sudo ln -s ../remount-usr.service "${fs_wants}"
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# Zero all fs free space, not fatal since it won't work on linux < 3.2
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sudo fstrim "${root_fs_dir}" || true
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sudo fstrim "${root_fs_dir}/usr" || true
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info "Developer image built and stored at ${image_name}"
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cleanup_mounts "${root_fs_dir}"
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trap - EXIT
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}
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