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Use 2*CPUs for the target load average but add load average throttling to emerge in addition to make. Also work around how catalyst sets FEATURES so we can disable extra locking for hopefully faster builds.
335 lines
9.7 KiB
Bash
335 lines
9.7 KiB
Bash
#!/bin/bash
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# Copyright (c) 2013 The CoreOS 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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# common.sh should be sourced first
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[[ -n "${DEFAULT_BUILD_ROOT}" ]] || exit 1
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# Default option values, may be provided before including this file
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: ${TYPE:="coreos-sdk"}
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: ${ARCH:=$(portageq envvar ARCH)}
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: ${DEFAULT_CATALYST_ROOT:="${DEFAULT_BUILD_ROOT}/catalyst"}
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: ${DEFAULT_SEED:="builds/${TYPE}/stage4-${ARCH}-latest.tar.bz2"}
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: ${DEFAULT_PROFILE:="coreos:default/linux/${ARCH}/10.0"}
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# Set to something like "stage4" to restrict what to build
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# FORCE_STAGES=
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if [[ "${DEFAULT_SEED}" != /* ]]; then
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DEFAULT_SEED="${DEFAULT_CATALYST_ROOT}/${DEFAULT_SEED}"
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fi
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# Values set in catalyst_init, don't use till after calling it
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CATALYST_ROOT=
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DEBUG=
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BUILDS=
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BINPKGS=
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DISTDIR=
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TEMPDIR=
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STAGES=
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# For searching for alternatives when DEFAULT_SEED doesn't exist
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# unset SDK_SEARCH=1 to disable this fallback
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SDK_TARBALL="coreos-sdk-${ARCH}-${COREOS_SDK_VERSION}.tar.bz2"
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SDK_SEARCH=1
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DEFINE_string catalyst_root "${DEFAULT_CATALYST_ROOT}" \
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"Path to directory for all catalyst images and other files."
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DEFINE_string portage_stable "${SRC_ROOT}/third_party/portage-stable" \
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"Path to the portage-stable git checkout."
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DEFINE_string coreos_overlay "${SRC_ROOT}/third_party/coreos-overlay" \
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"Path to the coreos-overlay git checkout."
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DEFINE_string seed_tarball "${DEFAULT_SEED}" \
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"Path to an existing stage tarball to start from."
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DEFINE_string version "${COREOS_VERSION_STRING}" \
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"Version to use for portage snapshot and stage tarballs."
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DEFINE_string profile "${DEFAULT_PROFILE}" \
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"Portage profile, may be prefixed with repo:"
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DEFINE_boolean rebuild ${FLAGS_FALSE} \
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"Rebuild and overwrite stages that already exist."
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DEFINE_boolean debug ${FLAGS_FALSE} "Enable verbose output from catalyst."
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#####################
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# CONFIG DEFINITIONS
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#
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# These templates can be expanded by calling the wrapping function after
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# catalyst_init has been called. They are written as files in write_configs
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# rather than passed as command line args for easier inspection and debugging
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# by hand, catalyst can get tricky.
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######################
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# Values to write to catalyst.conf
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catalyst_conf() {
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cat <<EOF
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# catalyst.conf
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contents="auto"
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digests="md5 sha1 sha512 whirlpool"
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hash_function="crc32"
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options="autoresume ccache pkgcache"
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sharedir="/usr/lib/catalyst"
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storedir="$CATALYST_ROOT"
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distdir="$DISTDIR"
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envscript="$TEMPDIR/catalystrc"
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port_logdir="$CATALYST_ROOT/log"
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portdir="$FLAGS_portage_stable"
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snapshot_cache="$CATALYST_ROOT/tmp/snapshot_cache"
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EOF
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}
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catalystrc() {
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local load=$((NUM_JOBS * 2))
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cat <<EOF
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export TERM='${TERM}'
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export MAKEOPTS='--jobs=${NUM_JOBS} --load-average=${load}'
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export EMERGE_DEFAULT_OPTS="\$MAKEOPTS"
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# Catalyst overrides FEATURES so set it's own variable instead.
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export clst_myfeatures='-ebuild-locks'
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EOF
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}
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# Common values for all stage spec files
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catalyst_stage_default() {
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cat <<EOF
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subarch: $ARCH
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rel_type: $TYPE
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portage_overlay: $FLAGS_coreos_overlay
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profile: $FLAGS_profile
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snapshot: $FLAGS_version
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version_stamp: $FLAGS_version
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cflags: -O2 -pipe
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cxxflags: -O2 -pipe
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ldflags: -Wl,-O2 -Wl,--as-needed
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EOF
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}
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# Config values for each stage
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catalyst_stage1() {
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cat <<EOF
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target: stage1
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# stage1 packages aren't published, save in tmp
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pkgcache_path: ${TEMPDIR}/stage1-${ARCH}-packages
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EOF
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catalyst_stage_default
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}
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catalyst_stage2() {
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cat <<EOF
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target: stage2
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# stage2 packages aren't published, save in tmp
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pkgcache_path: ${TEMPDIR}/stage2-${ARCH}-packages
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EOF
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catalyst_stage_default
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}
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catalyst_stage3() {
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cat <<EOF
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target: stage3
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pkgcache_path: $BINPKGS
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EOF
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catalyst_stage_default
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}
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catalyst_stage4() {
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die "The calling script should redefine this function!"
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}
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##########################
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# END CONFIG DEFINITIONS #
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##########################
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# catalyst_init
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# Parses command ling arguments, validates them, and sets up environment
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# for the rest of the functions here. Should be the first thing called
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# after any script specific shflags DEFINE_* statements.
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# Usage: catalyst_init "$@"
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catalyst_init() {
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FLAGS "$@" || exit 1
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switch_to_strict_mode
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eval set -- "${FLAGS_ARGV}"
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if [[ -n "${FORCE_STAGES}" ]]; then
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STAGES="${FORCE_STAGES}"
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elif [[ $# -eq 0 ]]; then
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STAGES="stage1 stage2 stage3 stage4"
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else
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for stage in "$@"; do
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if [[ ! "$stage" =~ ^stage[1234]$ ]]; then
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die_notrace "Invalid target name $stage"
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fi
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done
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STAGES="$*"
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fi
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if [[ $(id -u) != 0 ]]; then
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die_notrace "This script must be run as root."
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fi
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if ! which catalyst &>/dev/null; then
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die_notrace "catalyst not found, not installed or bad PATH?"
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fi
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DEBUG=
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if [[ ${FLAGS_debug} -eq ${FLAGS_TRUE} ]]; then
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DEBUG="--debug --verbose"
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fi
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# Create output dir, expand path for easy comparison later
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mkdir -p "$FLAGS_catalyst_root"
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CATALYST_ROOT=$(readlink -f "$FLAGS_catalyst_root")
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BUILDS="$CATALYST_ROOT/builds/$TYPE"
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BINPKGS="$CATALYST_ROOT/packages/$TYPE"
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TEMPDIR="$CATALYST_ROOT/tmp/$TYPE"
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DISTDIR="$CATALYST_ROOT/distfiles"
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# possibly search for existing seeds
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search_for_sdk_seed
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# confirm seed exists
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if [[ ! -f "$FLAGS_seed_tarball" ]]; then
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die_notrace "Seed tarball not found: $FLAGS_seed_tarball"
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fi
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# so far so good, expand path to work with weird comparison code below
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FLAGS_seed_tarball=$(readlink -f "$FLAGS_seed_tarball")
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if [[ ! "$FLAGS_seed_tarball" =~ .*\.tar\.bz2 ]]; then
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die_notrace "Seed tarball doesn't end in .tar.bz2 :-/"
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fi
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# catalyst is obnoxious and wants the $TYPE/stage3-$VERSION part of the
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# path, not the real path to the seed tarball. (Because it could be a
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# directory under $TEMPDIR instead, aka the SEEDCACHE feature.)
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if [[ "$FLAGS_seed_tarball" =~ "$CATALYST_ROOT/builds/".* ]]; then
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SEED="${FLAGS_seed_tarball#$CATALYST_ROOT/builds/}"
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SEED="${SEED%.tar.bz2}"
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else
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mkdir -p "$CATALYST_ROOT/builds/seed"
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cp -n "$FLAGS_seed_tarball" "$CATALYST_ROOT/builds/seed"
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SEED="seed/${FLAGS_seed_tarball##*/}"
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SEED="${SEED%.tar.bz2}"
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fi
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}
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# search_for_sdk_seed
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# As a fallback search around for an existing SDK tarball we
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# can use as a seed when the default doesn't exist.
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search_for_sdk_seed() {
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# Search disabled
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[[ "${SDK_SEARCH}" != 1 ]] && return
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# Seed already exists
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[[ -f "${FLAGS_seed_tarball}" ]] && return
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# User set the option so we shouldn't change it
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[[ "${FLAGS_seed_tarball}" != "${DEFAULT_SEED}" ]] && return
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local check_path
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for check_path in \
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"${CATALYST_ROOT}/builds/coreos-sdk/${SDK_TARBALL}" \
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"${CATALYST_ROOT}/builds/seeds/${SDK_TARBALL}" \
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"/var/cache/chromeos-cache/sdks/${SDK_TARBALL}" \
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"/mnt/host/source/.cache/sdks/${SDK_TARBALL}"
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do
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if [[ -f "${check_path}" ]]; then
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info "Using SDK for seed: ${check_path}"
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FLAGS_seed_tarball="${check_path}"
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return
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fi
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done
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}
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write_configs() {
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# No catalyst config option, so defined via environment
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export CCACHE_DIR="$TEMPDIR/ccache"
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info "Creating output directories..."
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mkdir -p "$TEMPDIR" "$DISTDIR" "$CCACHE_DIR"
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info "Writing out catalyst configs..."
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info " $TEMPDIR/catalyst.conf"
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catalyst_conf > "$TEMPDIR/catalyst.conf"
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info " $TEMPDIR/catalystrc"
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catalystrc > "$TEMPDIR/catalystrc"
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info " $TEMPDIR/stage1.spec"
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catalyst_stage1 > "$TEMPDIR/stage1.spec"
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info " $TEMPDIR/stage2.spec"
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catalyst_stage2 > "$TEMPDIR/stage2.spec"
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info " $TEMPDIR/stage3.spec"
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catalyst_stage3 > "$TEMPDIR/stage3.spec"
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info " $TEMPDIR/stage4.spec"
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catalyst_stage4 > "$TEMPDIR/stage4.spec"
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}
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build_stage() {
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stage="$1"
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srcpath="$2"
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target_tarball="${stage}-${ARCH}-${FLAGS_version}.tar.bz2"
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if [[ -f "$BUILDS/${target_tarball}" && $FLAGS_rebuild == $FLAGS_FALSE ]]
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then
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info "Skipping $stage, $target_tarball already exists."
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return
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fi
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info "Starting $stage"
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catalyst $DEBUG \
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-c "$TEMPDIR/catalyst.conf" \
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-f "$TEMPDIR/${stage}.spec" \
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-C "source_subpath=$srcpath"
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# Catalyst doesn't clean up after itself...
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rm -rf "$TEMPDIR/$stage-${ARCH}-${FLAGS_version}"
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ln -sf "$stage-${ARCH}-${FLAGS_version}.tar.bz2" \
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"$BUILDS/$stage-${ARCH}-latest.tar.bz2"
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info "Finished building $target_tarball"
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}
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build_snapshot() {
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if [[ -f "$CATALYST_ROOT/snapshots/portage-${FLAGS_version}.tar.bz2" ]]
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then
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info "Skipping snapshot, portage-${FLAGS_version}.tar.bz2 exists"
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else
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info "Creating snapshot portage-${FLAGS_version}.tar.bz2"
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catalyst $DEBUG -c "$TEMPDIR/catalyst.conf" -s "$FLAGS_version"
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fi
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}
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catalyst_build() {
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# assert catalyst_init has been called
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[[ -n "$CATALYST_ROOT" ]]
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info "Building stages: $STAGES"
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write_configs
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build_snapshot
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used_seed=0
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if [[ "$STAGES" =~ stage1 ]]; then
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build_stage stage1 "$SEED"
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used_seed=1
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fi
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if [[ "$STAGES" =~ stage2 ]]; then
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if [[ $used_seed -eq 1 ]]; then
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SEED="${TYPE}/stage1-${ARCH}-latest"
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fi
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build_stage stage2 "$SEED"
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used_seed=1
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fi
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if [[ "$STAGES" =~ stage3 ]]; then
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if [[ $used_seed -eq 1 ]]; then
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SEED="${TYPE}/stage2-${ARCH}-latest"
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fi
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build_stage stage3 "$SEED"
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used_seed=1
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fi
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if [[ "$STAGES" =~ stage4 ]]; then
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if [[ $used_seed -eq 1 ]]; then
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SEED="${TYPE}/stage3-${ARCH}-latest"
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fi
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build_stage stage4 "$SEED"
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used_seed=1
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fi
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# Cleanup snapshots, we don't use them
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rm -rf "$CATALYST_ROOT/snapshots/portage-${FLAGS_version}.tar.bz2"*
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}
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