bt-bootstrap

#!/bin/bash -e
# Copyright (c) 2020 TurnKey GNU/Linux - http://www.turnkeylinux.org
#
# This file is part of buildtasks.
#
# Buildtasks is free software; you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.


fatal() { echo "FATAL [$(basename $0)]: $@" 1>&2; exit 1; }
warning() { echo "WARNING [$(basename $0)]: $@"; }
info() { echo "INFO [$(basename $0)]: $@"; }

usage() {
    cat<<EOF
Syntax: $(basename $0) [ --publish ]
Builds appliance bootstrap-CODENAME-ARCH.tar.gz

Options::

    --force             - delete existing bootstrap tarball & release files in
                          outdir if they exist.
    --publish           - publish bootstrap tarball and release files.
    --no-clean          - DO NOT run 'make clean' on completion.
    --install           - Also install the new bootstrap locally
                          (FAB_PATH/boostraps/CODENAME)

Environment::

    RELEASE             - RELEASE to build for in the format DISTRO/CODENAME.
                          If not set, defaults to host system.
                          Example: debian/buster
    BT_DEBUG            - Turn on debugging.
    FAB_ARCH            - If not set defaults to system architecture.
    FAB_PATH            - Base Fab path (set by default on TKLDev)
EOF
    exit 1
}

while [ "$1" != "" ]; do
    case $1 in
        --help|-h)  usage;;
        --force)    force="yes";;
        --publish)  publish="yes";;
        --no-clean) clean="no";;
        --install)  install="yes";;
        *)          fatal "Unknown argument '$1'.";;
    esac
    shift
done

[[ -z "$BT_DEBUG" ]] || set -x
[[ -n "$FAB_PATH" ]] || fatal "FAB_PATH not set"
[[ -n "$FAB_ARCH" ]] || export FAB_ARCH=$(dpkg --print-architecture)

export BT=$(dirname $(readlink -f $0))
export BT_CONFIG=$BT/config
. $BT_CONFIG/common.cfg

O=$BT_BUILDS/bootstrap
mkdir -p $O

if [[ -z "$RELEASE" ]]; then
    info "RELEASE not set, determining from system."
    distrib_ID=$(lsb_release -si)
    codename=$(lsb_release -sc)
    case ${distrib_ID,,} in # all lower case
        turnkey|debian)
            distrib_ID=debian;;
        *)
            usage
            fatal "Distro '$distrib_ID' currently unsupported.";;
    esac
    export RELEASE=$distrib_ID/$codename
fi
export CODENAME=$(basename $RELEASE)

if [ "$publish" == "yes" ]; then
    [ -n "$BT_PUBLISH_IMGS" ] || fatal "BT_PUBLISH_IMGS not set"
    [ -n "$BT_PUBLISH_META" ] || fatal "BT_PUBLISH_META not set"
    which aws >/dev/null || $BT/bin/aws-setup --awscli
else
    warning "--publish was not specified"
fi

BOOTSTRAP_TARBALL="bootstrap-$CODENAME-$FAB_ARCH.tar.gz"

if [[ "$force" == "yes" ]]; then
    rm -f $O/$BOOTSTRAP_TARBALL{,.manifest,.hash,.buildenv}
else
    unset _files
    for _file in $(ls $O/$BOOTSTRAP_TARBALL{,.manifest,.hash,.buildenv} 2>/dev/null); do
        if [[ -e "$_file" ]]; then
            _files="$_files $_file"
        fi
        [[ -z "$_files" ]] || \
            fatal "Files: $_files exist - please try again with --force."
    done
fi

_PATH=$(dirname $FAB_PATH)
if [ ! -e $_PATH/bootstrap ]; then
    cd $_PATH
    git clone https://github.com/turnkeylinux/bootstrap.git
    cd $_PATH/bootstrap
else
    cd $_PATH/bootstrap
    git pull
fi

make clean || true

if [[ "$install" == "yes" ]]; then
    make install || true
    make bootstrap.tar.gz || true
else
    make bootstrap.tar.gz || true
fi

ls -l build

if [[ ! -e build/bootstrap.tar.gz ]]; then
    if [[ -z "$BT_DEBUG" ]]; then
        make clean >/dev/null 2>&1 || true
    fi
    fatal "Build failed..."
fi

mv build/bootstrap.tar.gz $O/$BOOTSTRAP_TARBALL
$BT/bin/generate-manifest build/bootstrap > $O/$BOOTSTRAP_TARBALL.manifest
$BT/bin/generate-signature $O/$BOOTSTRAP_TARBALL
$BT/bin/generate-buildenv bootstrap . > $O/$BOOTSTRAP_TARBALL.buildenv

if [ "$publish" == "yes" ]; then
    export PUBLISH_DEST=${BT_PUBLISH_IMGS}/bootstrap/
    $BT/bin/publish-files $O/$BOOTSTRAP_TARBALL

    export PUBLISH_DEST=${BT_PUBLISH_META}/
    $BT/bin/publish-files $O/$BOOTSTRAP_TARBALL{.manifest,.hash,.buildenv}
fi

if [[ -z "$BT_DEBUG" ]] && [[ "$clean" != "no" ]]; then
    make clean || true
fi