build/lib/functions/host/prepare-host.sh

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#!/usr/bin/env bash
#
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
#
# This file is a part of the Armbian Build Framework
# https://github.com/armbian/build/
# prepare_host
#
# * checks and installs necessary packages
# * creates directory structure
# * changes system settings
#
function prepare_host() {
LOG_SECTION="prepare_host_noninteractive" do_with_logging prepare_host_noninteractive
return 0
}
function assert_prepared_host() {
if [[ "${PRE_PREPARED_HOST:-"no"}" == "yes" ]]; then
return 0
fi
if [[ ${prepare_host_has_already_run:-0} -lt 1 ]]; then
exit_with_error "assert_prepared_host: Host has not yet been prepared. This is a bug in armbian-next code. Please report!"
fi
}
function check_basic_host() {
display_alert "Checking" "basic host setup" "info"
obtain_and_check_host_release_and_arch # sets HOSTRELEASE and validates it for sanity; also HOSTARCH
check_host_has_enough_disk_space # Checks disk space and exits if not enough
check_windows_wsl2 # checks if on Windows, on WSL2, (not 1) and exits if not supported
wait_for_package_manager # wait until dpkg is not locked...
}
function prepare_host_noninteractive() {
display_alert "Preparing" "host" "info"
# The 'offline' variable must always be set to 'true' or 'false'
declare offline=false
if [ "$OFFLINE_WORK" == "yes" ]; then
offline=true
fi
# fix for Locales settings, if locale-gen is installed, and /etc/locale.gen exists.
if [[ -n "$(command -v locale-gen)" && -f /etc/locale.gen ]]; then
if ! grep -q "^en_US.UTF-8 UTF-8" /etc/locale.gen; then
# @TODO: rpardini: this is bull, we're always root here. we've been pre-sudo'd.
local sudo_prefix="" && is_root_or_sudo_prefix sudo_prefix # nameref; "sudo_prefix" will be 'sudo' or ''
${sudo_prefix} sed -i 's/# en_US.UTF-8/en_US.UTF-8/' /etc/locale.gen
${sudo_prefix} locale-gen
fi
else
display_alert "locale-gen is not installed @host" "skipping locale-gen -- problems might arise" "warn"
fi
# Let's try and get all log output in English, overriding the builder's chosen or default language
export LANG="en_US.UTF-8"
export LANGUAGE="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
export LC_MESSAGES="en_US.UTF-8"
declare -g USE_LOCAL_APT_DEB_CACHE=${USE_LOCAL_APT_DEB_CACHE:-yes} # Use SRC/cache/aptcache as local apt cache by default
display_alert "Using local apt cache?" "USE_LOCAL_APT_DEB_CACHE: ${USE_LOCAL_APT_DEB_CACHE}" "debug"
# if USE_LOCAL_APT_DEB_CACHE equals no, display_alert a warning, it's not a good idea.
if [[ "${USE_LOCAL_APT_DEB_CACHE}" == "no" ]]; then
display_alert "USE_LOCAL_APT_DEB_CACHE is set to 'no'" "not recommended" "wrn"
fi
if armbian_is_running_in_container; then
display_alert "Running in container" "Adding provisions for container building" "info"
declare -g CONTAINER_COMPAT=yes # this controls mknod usage for loop devices.
if [[ "${MANAGE_ACNG}" == "yes" ]]; then
display_alert "Running in container" "Disabling ACNG - MANAGE_ACNG=yes not supported in containers" "warn"
declare -g MANAGE_ACNG=no
fi
SYNC_CLOCK=no
else
display_alert "NOT running in container" "No special provisions for container building" "debug"
fi
# If offline, do not try to install dependencies, manage acng, or sync the clock.
if ! $offline; then
# Prepare the list of host dependencies; it requires the target arch, the host release and arch
late_prepare_host_dependencies
install_host_dependencies "late dependencies during prepare_release"
# Manage apt-cacher-ng, if such is the case
[[ "${MANAGE_ACNG}" == "yes" ]] && acng_configure_and_restart_acng
# sync clock
if [[ $SYNC_CLOCK != no && -f /var/run/ntpd.pid ]]; then
display_alert "ntpd is running, skipping" "SYNC_CLOCK=no" "debug"
SYNC_CLOCK=no
fi
if [[ $SYNC_CLOCK != no ]]; then
display_alert "Syncing clock" "host" "info"
run_host_command_logged ntpdate "${NTP_SERVER:-pool.ntp.org}" || true # allow failures
fi
fi
# create directory structure # @TODO: this should be close to DEST, otherwise super-confusing
mkdir -p "${SRC}"/{cache,output} "${USERPATCHES_PATH}"
# @TODO: original: mkdir -p "${DEST}"/debs-beta/extra "${DEST}"/debs/extra "${DEST}"/{config,debug,patch} "${USERPATCHES_PATH}"/overlay "${SRC}"/cache/{sources,hash,hash-beta,toolchain,utility,rootfs} "${SRC}"/.tmp
mkdir -p "${USERPATCHES_PATH}"/overlay "${SRC}"/cache/{sources,rootfs} "${SRC}"/.tmp
# If offline, do not try to download/install toolchains.
if ! $offline; then
download_external_toolchains # Mostly deprecated, since SKIP_EXTERNAL_TOOLCHAINS=yes is the default
fi
# NEEDS_BINFMT=yes is set by default build and rootfs artifact build.
# if we're building an image, not only packages/artifacts...
# ... and the host arch does not match the target arch ...
# ... we then require binfmt_misc to be enabled.
# "enable arm binary format so that the cross-architecture chroot environment will work"
if [[ "${NEEDS_BINFMT:-"no"}" == "yes" ]]; then
if [[ "${SHOW_DEBUG}" == "yes" ]]; then
display_alert "Debugging binfmt - early" "/proc/sys/fs/binfmt_misc/" "debug"
run_host_command_logged ls -la /proc/sys/fs/binfmt_misc/ || true
fi
if dpkg-architecture -e "${ARCH}"; then
display_alert "Native arch build" "target ${ARCH} on host $(dpkg --print-architecture)" "cachehit"
else
local failed_binfmt_modprobe=0
display_alert "Cross arch build" "target ${ARCH} on host $(dpkg --print-architecture)" "debug"
# Check if binfmt_misc is loaded; if not, try to load it, but don't fail: it might be built in.
if grep -q "^binfmt_misc" /proc/modules; then
display_alert "binfmt_misc is already loaded" "binfmt_misc already loaded" "debug"
else
display_alert "binfmt_misc is not loaded" "trying to load binfmt_misc" "debug"
# try to modprobe. if it fails, emit a warning later, but not here.
# this is for the in-container case, where the host already has the module, but won't let the container know about it.
modprobe -q binfmt_misc || failed_binfmt_modprobe=1
fi
# Now, /proc/sys/fs/binfmt_misc/ has to be mounted. Mount, or fail with a message
if mountpoint -q /proc/sys/fs/binfmt_misc/; then
display_alert "binfmt_misc is already mounted" "binfmt_misc already mounted" "debug"
else
display_alert "binfmt_misc is not mounted" "trying to mount binfmt_misc" "debug"
mount -t binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ || {
if [[ $failed_binfmt_modprobe == 1 ]]; then
display_alert "Failed to load binfmt_misc module" "modprobe binfmt_misc failed" "wrn"
fi
display_alert "Check your HOST kernel" "CONFIG_BINFMT_MISC=m is required in host kernel" "warn"
display_alert "Failed to mount" "binfmt_misc /proc/sys/fs/binfmt_misc/" "err"
exit_with_error "Failed to mount binfmt_misc"
}
display_alert "binfmt_misc mounted" "binfmt_misc mounted" "debug"
fi
declare host_arch
host_arch="$(arch)"
local -a wanted_arches=("arm" "aarch64" "x86_64" "riscv64")
display_alert "Preparing binfmts for arch" "binfmts: host '${host_arch}', wanted arches '${wanted_arches[*]}'" "debug"
declare wanted_arch
for wanted_arch in "${wanted_arches[@]}"; do
if [[ "${host_arch}" != "${wanted_arch}" ]]; then
if [[ ! -e "/proc/sys/fs/binfmt_misc/qemu-${wanted_arch}" ]]; then
display_alert "Updating binfmts" "update-binfmts --enable qemu-${wanted_arch}" "debug"
if [[ "${host_arch}" == "aarch64" && "${wanted_arch}" == "arm" ]]; then
display_alert "Trying to update binfmts - aarch64 (sometimes) does 32-bit sans emulation" "update-binfmts --enable qemu-${wanted_arch}" "debug"
run_host_command_logged update-binfmts --enable "qemu-${wanted_arch}" "&>" "/dev/null" "||" "true" # don't fail nor produce output, which can be misleading.
else
run_host_command_logged update-binfmts --enable "qemu-${wanted_arch}" || display_alert "Failed to update binfmts" "update-binfmts --enable qemu-${wanted_arch}" "err" # log & continue on failure
fi
fi
fi
done
# @TODO: we could create a tiny loop here to test if the binfmt_misc is working, but this is before deps are installed.
fi
if [[ "${SHOW_DEBUG}" == "yes" ]]; then
display_alert "Debugging binfmt - late" "/proc/sys/fs/binfmt_misc/" "debug"
run_host_command_logged ls -la /proc/sys/fs/binfmt_misc/ || true
fi
fi
# @TODO: rpardini: this does not belong here, instead with the other templates, pre-configuration.
[[ ! -f "${USERPATCHES_PATH}"/customize-image.sh ]] && run_host_command_logged cp -pv "${SRC}"/config/templates/customize-image.sh.template "${USERPATCHES_PATH}"/customize-image.sh
if [[ -d "${USERPATCHES_PATH}" ]]; then
# create patches directory structure under USERPATCHES_PATH
find "${SRC}"/patch -maxdepth 2 -type d ! -name . | sed "s%/.*patch%/$USERPATCHES_PATH%" | xargs mkdir -p
fi
# Reset owner of userpatches if so required
reset_uid_owner "${USERPATCHES_PATH}" # Fix owner of files in the final destination
declare -i -g -r prepare_host_has_already_run=1 # global, readonly.
return 0
}
# Early: we've possibly no idea what the host release or arch we're building on, or what the target arch is. All-deps.
# Early: we've a best-guess indication of the host release, but not target. (eg: Dockerfile generate)
# Early: we're certain about the host release and arch, but not anything about the target (eg: docker build of the Dockerfile, cli-requirements)
# Late: we know everything; produce a list that is optimized for the host+target we're building. (eg: Oleg)
function early_prepare_host_dependencies() {
if [[ "x${host_release:-}x" == "xx" ]]; then
display_alert "Host release unknown" "host_release not set on call to early_prepare_host_dependencies" "warn"
fi
if [[ "x${host_arch:-}x" == "xx" ]]; then
display_alert "Host arch unknown" "host_arch not set on call to early_prepare_host_dependencies" "debug"
fi
adaptative_prepare_host_dependencies
}
function late_prepare_host_dependencies() {
[[ -z "${ARCH}" ]] && exit_with_error "ARCH is not set"
[[ -z "${HOSTRELEASE}" ]] && exit_with_error "HOSTRELEASE is not set"
[[ -z "${HOSTARCH}" ]] && exit_with_error "HOSTARCH is not set"
[[ -z "${RELEASE}" ]] && display_alert "RELEASE is not set" "defaulting to host's '${HOSTRELEASE}'" "debug"
target_arch="${ARCH}" host_release="${HOSTRELEASE}" \
host_arch="${HOSTARCH}" target_release="${RELEASE:-"${HOSTRELEASE}"}" \
early_prepare_host_dependencies
}
# Adaptive: used by both early & late.
function adaptative_prepare_host_dependencies() {
if [[ "x${host_release:-"unknown"}x" == "xx" ]]; then
display_alert "No specified host_release" "preparing for all-hosts, all-targets deps" "debug"
else
display_alert "Using passed-in host_release" "${host_release}" "debug"
fi
if [[ "x${target_arch:-"unknown"}x" == "xx" ]]; then
display_alert "No specified target_arch" "preparing for all-hosts, all-targets deps" "debug"
else
display_alert "Using passed-in target_arch" "${target_arch}" "debug"
fi
#### Common: for all releases, all host arches, and all target arches.
declare -a -g host_dependencies=(
# big bag of stuff from before
bc binfmt-support
bison
libc6-dev make dpkg-dev gcc # build-essential, without g++
ca-certificates ccache cpio
debootstrap device-tree-compiler dialog dirmngr dosfstools
dwarves # dwarves has been replaced by "pahole" and is now a transitional package
fakeroot flex
gawk gnupg gpg
imagemagick # required for boot_logo, plymouth: converting images / spinners
jq # required for parsing JSON, specially rootfs-caching related.
kmod # this causes initramfs rebuild, but is usually pre-installed, so no harm done unless it's an upgrade
libbison-dev libelf-dev libfdt-dev libfile-fcntllock-perl libmpc-dev libfl-dev liblz4-tool
libncurses-dev libssl-dev libusb-1.0-0-dev
linux-base locales lsof
ncurses-base ncurses-term # for `make menuconfig`
ntpdate
patchutils pkg-config pv
qemu-user-static
rsync
swig # swig is needed for some u-boot's. example: "bananapi.conf"
u-boot-tools
udev # causes initramfs rebuild, but is usually pre-installed.
uuid-dev
zlib1g-dev
# by-category below
file tree expect # logging utilities; expect is needed for 'unbuffer' command
colorized-logs # for ansi2html, ansi2txt, pipetty
unzip zip pigz xz-utils pbzip2 lzop zstd # compressors et al
parted gdisk fdisk # partition tools @TODO why so many?
aria2 curl wget axel # downloaders et al
parallel # do things in parallel (used for fast md5 hashing in initrd cache)
)
# @TODO: distcc -- handle in extension?
### Python
host_deps_add_extra_python # See python-tools.sh::host_deps_add_extra_python()
# Python3 -- required for Armbian's Python tooling, and also for more recent u-boot builds. Needs 3.9+
host_dependencies+=("python3-dev" "python3-distutils" "python3-setuptools" "python3-pip")
# Python2 -- required for some older u-boot builds
# Debian 'sid'/'bookworm' and Ubuntu 'lunar' does not carry python2 anymore; in this case some u-boot's might fail to build.
if [[ "sid bookworm trixie lunar" == *"${host_release}"* ]]; then
display_alert "Python2 not available on host release '${host_release}'" "old(er) u-boot builds might/will fail" "wrn"
else
host_dependencies+=("python2" "python2-dev")
fi
# Only install acng if asked to.
if [[ "${MANAGE_ACNG}" == "yes" ]]; then
host_dependencies+=("apt-cacher-ng")
fi
### ARCH
declare wanted_arch="${target_arch:-"all"}"
if [[ "${wanted_arch}" == "amd64" || "${wanted_arch}" == "all" ]]; then
host_dependencies+=("gcc-x86-64-linux-gnu") # from crossbuild-essential-amd64
fi
if [[ "${wanted_arch}" == "arm64" || "${wanted_arch}" == "all" ]]; then
host_dependencies+=("gcc-aarch64-linux-gnu") # from crossbuild-essential-arm64
fi
if [[ "${wanted_arch}" == "armhf" || "${wanted_arch}" == "all" ]]; then
host_dependencies+=("gcc-arm-linux-gnueabihf" "gcc-arm-linux-gnueabi") # from crossbuild-essential-armhf crossbuild-essential-armel
fi
if [[ "${wanted_arch}" == "riscv64" || "${wanted_arch}" == "all" ]]; then
host_dependencies+=("gcc-riscv64-linux-gnu") # crossbuild-essential-riscv64 is not even available "yet"
host_dependencies+=("debian-archive-keyring")
fi
if [[ "${wanted_arch}" != "amd64" ]]; then
host_dependencies+=(libc6-amd64-cross) # Support for running x86 binaries (under qemu on other arches)
fi
declare -g EXTRA_BUILD_DEPS=""
call_extension_method "add_host_dependencies" <<- 'ADD_HOST_DEPENDENCIES'
*run before installing host dependencies*
you can add packages to install, space separated, to ${EXTRA_BUILD_DEPS} here.
ADD_HOST_DEPENDENCIES
if [ -n "${EXTRA_BUILD_DEPS}" ]; then
# shellcheck disable=SC2206 # I wanna expand. @TODO: later will convert to proper array
host_dependencies+=(${EXTRA_BUILD_DEPS})
fi
declare -g FINAL_HOST_DEPS="${host_dependencies[*]}"
call_extension_method "host_dependencies_known" <<- 'HOST_DEPENDENCIES_KNOWN'
*run after all host dependencies are known (but not installed)*
At this point we can read `${FINAL_HOST_DEPS}`, but changing won't have any effect.
All the dependencies, including the default/core deps and the ones added via `${EXTRA_BUILD_DEPS}`
are determined at this point, but not yet installed.
HOST_DEPENDENCIES_KNOWN
}
function install_host_dependencies() {
display_alert "Installing build dependencies" "$*" "debug"
# don't prompt for apt cacher selection. this is to skip the prompt only, since we'll manage acng config later.
local sudo_prefix="" && is_root_or_sudo_prefix sudo_prefix # nameref; "sudo_prefix" will be 'sudo' or ''
${sudo_prefix} echo "apt-cacher-ng apt-cacher-ng/tunnelenable boolean false" | ${sudo_prefix} debconf-set-selections
# This handles the wanted list in $host_dependencies, updates apt only if needed
# $host_dependencies is produced by early_prepare_host_dependencies()
install_host_side_packages "${host_dependencies[@]}"
run_host_command_logged update-ccache-symlinks
declare -g FINAL_HOST_DEPS="${host_dependencies[*]}"
call_extension_method "host_dependencies_ready" <<- 'HOST_DEPENDENCIES_READY'
*run after all host dependencies are installed*
At this point we can read `${FINAL_HOST_DEPS}`, but changing won't have any effect.
All the dependencies, including the default/core deps and the ones added via `${EXTRA_BUILD_DEPS}`
are installed at this point. The system clock has not yet been synced.
HOST_DEPENDENCIES_READY
unset FINAL_HOST_DEPS # don't leak this after the hook is done
}
function check_host_has_enough_disk_space() {
declare -a dirs_to_check=("${DEST}" "${SRC}/cache")
for dir in "${dirs_to_check[@]}"; do
if [[ ! -d "${dir}" ]]; then
display_alert "Directory not found" "Skipping disk space check for '${dir}'" "debug"
continue
fi
check_dir_has_enough_disk_space "${dir}" 10 || exit_if_countdown_not_aborted 10 "Low free disk space left in '${dir}'"
done
}
function check_dir_has_enough_disk_space() {
declare target="${1}"
declare -i min_free_space_gib="${2:-10}"
declare -i free_space_bytes
free_space_bytes=$(findmnt --noheadings --output AVAIL --bytes --target "${target}" --uniq 2> /dev/null) # in bytes
if [[ -n "$free_space_bytes" && $((free_space_bytes / 1073741824)) -lt $min_free_space_gib ]]; then
display_alert "Low free space left" "${target}: $((free_space_bytes / 1073741824))GiB free, ${min_free_space_gib} GiB required" "wrn"
return 1
fi
display_alert "Free space left" "${target}: $((free_space_bytes / 1073741824))GiB" "debug"
return 0
}