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Use of a Linux initramfs to fully automate the bootstrapping process
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live-bootstrap/sysa.py

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#!/usr/bin/env python3
"""System A"""
# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
# SPDX-FileCopyrightText: 2021 Melg Eight <public.melg8@gmail.com>
# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
import os
from distutils.dir_util import copy_tree
import shutil
from lib.sysgeneral import SysGeneral
# pylint: disable=consider-using-with
class SysA(SysGeneral):
"""
Class responsible for preparing sources for System A.
"""
# pylint: disable=too-many-instance-attributes,too-many-arguments
def __init__(self, arch, preserve_tmp, tmpdir, chroot, sysb_tmp):
self.git_dir = os.path.dirname(os.path.join(__file__))
self.arch = arch
self.preserve_tmp = preserve_tmp
self.sys_dir = os.path.join(self.git_dir, 'sysa')
if tmpdir is None:
self.tmp_dir = os.path.join(self.sys_dir, 'tmp')
else:
self.tmp_dir = os.path.join(tmpdir, 'sysa')
os.mkdir(self.tmp_dir)
self.after_dir = os.path.join(self.tmp_dir, 'after')
self.base_dir = self.after_dir
self.sysb_tmp = sysb_tmp
self.prepare()
if not chroot:
self.make_initramfs()
def prepare(self):
"""
Prepare directory structure for System A.
We create an empty tmpfs, unpack stage0-posix.
Rest of the files are unpacked into more structured directory /after
"""
self.mount_tmpfs()
os.mkdir(self.after_dir)
self.stage0_posix()
self.after()
# sysb must be added to sysa as it is another initramfs stage
self.sysb()
def sysb(self):
"""Copy in sysb files for sysb."""
shutil.copytree(self.sysb_tmp, os.path.join(self.tmp_dir, 'sysb'),
shutil.ignore_patterns('tmp'))
def stage0_posix(self):
"""Copy in all of the stage0-posix"""
stage0_posix_base_dir = os.path.join(self.sys_dir, 'stage0-posix', 'src')
copy_tree(stage0_posix_base_dir, self.tmp_dir)
kaem_optional_seed = os.path.join(self.sys_dir, 'stage0-posix', 'src', 'bootstrap-seeds',
'POSIX', self.arch, 'kaem-optional-seed')
shutil.copy2(kaem_optional_seed, os.path.join(self.tmp_dir, 'init'))
# stage0-posix hook to continue running live-bootstrap
shutil.copy2(os.path.join(self.sys_dir, 'after.kaem'),
os.path.join(self.tmp_dir, 'after.kaem'))
def after(self):
"""
Prepare sources in /after directory.
After stage0-posix we get into our own directory because
the stage0-posix one is hella messy.
"""
self.deploy_extra_files()
self.deploy_sysglobal_files()
self.get_packages()
def deploy_extra_files(self):
"""Deploy misc files"""
extra_files = ['run.sh']
for extra_file in extra_files:
shutil.copy2(os.path.join(self.sys_dir, extra_file), self.after_dir)
shutil.copy2(os.path.join(self.git_dir, 'SHA256SUMS.sources'), self.after_dir)
# pylint: disable=line-too-long,too-many-statements
def get_packages(self):
"""Prepare remaining sources"""
# mes-0.22 snapshot with m2 fixes
self.get_file(["https://github.com/oriansj/mes-m2/archive/7fa2f99bf9bba2d79bd9d15c579be8905520d960.tar.gz",
"https://download.savannah.gnu.org/releases/nyacc/nyacc-1.00.2.tar.gz"],
output=["mes.tar.gz", "nyacc-1.00.2.tar.gz"])
# tcc 0.9.26 patched by janneke
self.get_file("https://lilypond.org/janneke/tcc/tcc-0.9.26-1136-g5bba73cc.tar.gz", output="tcc-0.9.26.tar.gz")
# mes 0.23 (meslibc)
self.get_file("https://mirrors.kernel.org/gnu/mes/mes-0.23.tar.gz")
# gzip 1.2.4
self.get_file("https://mirrors.kernel.org/gnu/gzip/gzip-1.2.4.tar.gz")
# tar 1.12
self.get_file("https://mirrors.kernel.org/gnu/tar/tar-1.12.tar.gz")
# sed 4.0.9
self.get_file("https://mirrors.kernel.org/gnu/sed/sed-4.0.9.tar.gz")
# patch 2.5.9
self.get_file("https://mirrors.kernel.org/gnu/patch/patch-2.5.9.tar.gz")
# make 3.80
self.get_file("https://mirrors.kernel.org/gnu/make/make-3.80.tar.gz")
# bzip2 1.0.8
self.get_file("https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz")
# tcc 0.9.27
self.get_file("https://download.savannah.gnu.org/releases/tinycc/tcc-0.9.27.tar.bz2")
# coreutils 5.0
self.get_file("https://mirrors.kernel.org/gnu/coreutils/coreutils-5.0.tar.bz2")
# heirloom-devtools
self.get_file("http://downloads.sourceforge.net/project/heirloom/heirloom-devtools/070527/heirloom-devtools-070527.tar.bz2")
# bash 2.05b
self.get_file("https://mirrors.kernel.org/gnu/bash/bash-2.05b.tar.gz")
# flex 2.5.11
self.get_file("http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.11.tar.gz")
# musl 1.1.24
self.get_file("https://musl.libc.org/releases/musl-1.1.24.tar.gz")
# m4 1.4.7
self.get_file("https://mirrors.kernel.org/gnu/m4/m4-1.4.7.tar.gz")
# flex 2.6.4
self.get_file("https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz")
# bison 3.4.1
self.get_file("https://mirrors.kernel.org/gnu/bison/bison-3.4.1.tar.gz")
# grep 2.4
self.get_file("https://mirrors.kernel.org/gnu/grep/grep-2.4.tar.gz")
# diffutils 2.7
self.get_file("https://mirrors.kernel.org/gnu/diffutils/diffutils-2.7.tar.gz")
# coreutils 6.10
self.get_file("https://mirrors.kernel.org/gnu/coreutils/coreutils-6.10.tar.gz")
# gawk 3.0.4
self.get_file("https://mirrors.kernel.org/gnu/gawk/gawk-3.0.4.tar.gz")
# perl 5.000
self.get_file("https://github.com/Perl/perl5/archive/perl-5.000.tar.gz")
# perl 5.003
self.get_file("https://github.com/Perl/perl5/archive/perl-5.003.tar.gz")
# perl 5.004_05
self.get_file("https://www.cpan.org/src/5.0/perl5.004_05.tar.gz")
# perl 5.005_03
self.get_file("https://www.cpan.org/src/5.0/perl5.005_03.tar.gz")
# perl 5.6.2
self.get_file("https://www.cpan.org/src/5.0/perl-5.6.2.tar.gz")
# autoconf 2.52
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.52.tar.bz2")
# automake 1.6.3
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.6.3.tar.bz2")
# automake 1.4-p6
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.4-p6.tar.gz")
# autoconf 2.13
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.13.tar.gz")
# autoconf 2.12
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.12.tar.gz")
# libtool 1.4
self.get_file("https://mirrors.kernel.org/gnu/libtool/libtool-1.4.tar.gz")
# binutils 2.14
self.get_file("https://mirrors.kernel.org/gnu/binutils/binutils-2.14.tar.bz2")
# autoconf 2.53
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.53.tar.bz2")
# automake 1.7
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.7.tar.bz2")
# autoconf 2.54
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.54.tar.bz2")
# autoconf 2.55
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.55.tar.bz2")
# automake 1.7.8
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.7.8.tar.bz2")
# autoconf 2.57
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.57.tar.bz2")
# autoconf 2.59
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.59.tar.bz2")
# automake 1.8.5
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.8.5.tar.bz2")
# help2man 1.36.4
self.get_file("https://mirrors.kernel.org/gnu/help2man/help2man-1.36.4.tar.gz")
# autoconf 2.61
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.61.tar.bz2")
# automake 1.9.6
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.9.6.tar.bz2")
# findutils 4.2.33
self.get_file(["https://mirrors.kernel.org/gnu/findutils/findutils-4.2.33.tar.gz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-8e128e.tar.gz"])
# libtool 2.2.4
self.get_file("https://mirrors.kernel.org/gnu/libtool/libtool-2.2.4.tar.bz2")
# automake 1.10.3
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.10.3.tar.bz2")
# autoconf 2.64
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.64.tar.bz2")
# gcc 4.0.4
self.get_file(["https://mirrors.kernel.org/gnu/gcc/gcc-4.0.4/gcc-core-4.0.4.tar.bz2",
"https://mirrors.kernel.org/gnu/automake/automake-1.16.3.tar.gz"],
output=["gcc-4.0.4.tar.bz2", "automake-1.16.3.tar.gz"])
# linux api headers 5.10.41
self.get_file("https://mirrors.kernel.org/pub/linux/kernel/v5.x/linux-5.10.41.tar.gz",
output="linux-headers-5.10.41.tar.gz")
# musl 1.2.2
self.get_file("https://musl.libc.org/releases/musl-1.2.2.tar.gz")
# util-linux 2.19.1
self.get_file("https://mirrors.kernel.org/pub/linux/utils/util-linux/v2.19/util-linux-2.19.1.tar.gz")
# kexec-tools 2.0.22
self.get_file("https://github.com/horms/kexec-tools/archive/refs/tags/v2.0.22.tar.gz",
output="kexec-tools-2.0.22.tar.gz")
# kbd 1.15
self.get_file("https://mirrors.edge.kernel.org/pub/linux/utils/kbd/kbd-1.15.tar.gz")
# make 3.82
self.get_file("https://mirrors.kernel.org/gnu/make/make-3.82.tar.gz")
# linux kernel 2.6.16.62
self.get_file(["https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.9.10.tar.gz",
"https://linux-libre.fsfla.org/pub/linux-libre/releases/old/gen6/4.9.10-gnu/deblob-4.9",
"https://linux-libre.fsfla.org/pub/linux-libre/releases/old/gen6/4.9.10-gnu/deblob-check"])