bt-container

#!/bin/bash -e
# Copyright (c) 2011-2020 TurnKey GNU/Linux - https://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] appname-version
Converts appliance appname-version to container template

Arguments::

    appname-version     - e.g., core-14.2-jessie-amd64

Options::

    --publish           - if set, image and meta files will be published

Environment::

    BT_DEBUG            - turn on debugging
EOF
exit 1
}

while [ "$1" != "" ]; do
    case $1 in
        --help|-h )  usage;;
        --publish)   publish="yes";;
        *)           if [ -n "$appver" ]; then usage; else appver=$1; fi ;;
    esac
    shift
done

[ -n "$appver" ] || usage
[ -n "$BT_DEBUG" ] && set -x

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

if [ "$publish" == "yes" ]; then
    [ -n "$BT_PUBLISH_IMGS" ] || fatal "BT_PUBLISH_IMGS not set"
    [ -n "$BT_PUBLISH_META" ] || fatal "BT_PUBLISH_META not set"
else
    warning "--publish was not specified"
fi

parsed_appname_version=$($BT/bin/parse-appname-version $appver)
read appname appversion codename arch <<< "$parsed_appname_version"
export BT_VERSION=${appversion}-${codename}-${arch}
export RELEASE="debian/$codename"

os_arch=$(dpkg --print-architecture)
[ "$arch" == "$os_arch" ] || fatal "os_arch mismatch: $arch != $os_arch"

case "$appname" in
    canvas)           export ON_MEMORY=0.50 ;;
    gitlab)           export ON_MEMORY=0.50 ;;
    jenkins)          export ON_MEMORY=0.50 ;;
    clipbucket)       export ON_MEMORY=0.50 ;;
    tkldev)           export ON_MEMORY=0.50 ;;
    moodle)           export ON_MEMORY=0.33 ;;
    tomcat-apache)    export ON_MEMORY=0.33 ;;
    *)                export ON_MEMORY=0.25 ;;
esac

case "$codename" in
    stretch)    debianversion="debian-9" ;;
    buster)     debianversion="debian-10" ;;
    bullseye)   debianversion="debian-11" ;;
    bookworm)   debianversion="debian-12" ;;
    *)       fatal "debianversion could not be determined" ;;
esac

O=$BT_BUILDS/container
mkdir -p $O

isofile=turnkey-${appname}-${BT_VERSION}.iso
name=turnkey-${appname}-${BT_VERSION}
rootfs=$name.rootfs
cdroot=$name.cdroot

$BT/bin/iso-download $BT_ISOS $BT_VERSION $appname
$BT/bin/iso-verify $BT_ISOS $BT_VERSION $appname

cd $O
tklpatch-extract-iso $BT_ISOS/$isofile
[[ "$appversion" == *"rc"* ]] && $BT/bin/upgrade-pkgs $rootfs

$BT/bin/purge-pkgs $rootfs
tklpatch-apply $rootfs $BT/patches/headless
tklpatch-apply $rootfs $BT/patches/container
$BT/bin/rootfs-cleanup $rootfs

$BT/bin/aptconf-tag $rootfs proxmox
$BT/bin/build-tag $rootfs proxmox

# bundle proxmox tarball using stupid naming convention
stupidname="${debianversion}-turnkey-${appname}_${appversion}-1_${arch}"
info "creating Proxmox container build ($stupidname.tar.gz)"
tar -C $rootfs -zcf $stupidname.tar.gz .

$BT/bin/generate-signature $O/$stupidname.tar.gz

$BT/bin/generate-buildenv container $BT_ISOS/$isofile.hash > $O/$stupidname.tar.gz.buildenv

# publish if specified
if [ "$publish" == "yes" ]; then
    export PUBLISH_DEST=${BT_PUBLISH_IMGS}/proxmox/
    $BT/bin/publish-files $O/$stupidname.tar.gz

    export PUBLISH_DEST=${BT_PUBLISH_META}/
    $BT/bin/publish-files $O/$stupidname.{tar.gz.hash,tar.gz.buildenv}
fi

if [ -z "$BT_DEBUG" ] && ! (mount | grep -q $(basename $rootfs)); then
    rm -rf $rootfs
    rm -rf $cdroot
    [ "$publish" != "yes" ] || $BT/bin/clean container $appver
fi