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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>
import hashlib
import os
from distutils.dir_util import copy_tree
import shutil
import requests
from lib.utils import mount, umount, copytree, run, get_target
class SysA:
"""
Class responsible for preparing sources for System A.
"""
def __init__(self, arch, preserve_tmp, tmpdir):
self.git_dir = os.path.dirname(os.path.join(__file__))
self.arch = arch
self.preserve_tmp = preserve_tmp
if tmpdir is None:
self.tmp_dir = os.path.join(self.git_dir, 'sysa', 'tmp')
else:
self.tmp_dir = tmpdir
self.sysa_dir = os.path.join(self.git_dir, 'sysa')
self.after_dir = os.path.join(self.tmp_dir, 'after')
self.prepare()
def __del__(self):
if not self.preserve_tmp:
print("Unmounting tmpfs from %s" % (self.tmp_dir))
umount(self.tmp_dir)
os.rmdir(self.tmp_dir)
def check_file(self, file_name):
"""Check hash of downloaded source file."""
checksum_store = os.path.join(self.git_dir, 'SHA256SUMS.sources')
with open(checksum_store) as checksum_file:
hashes = checksum_file.read().splitlines()
for hash_line in hashes:
if os.path.basename(file_name) in hash_line:
# Hash is in store, check it
expected_hash = hash_line.split()[0]
with open(file_name, "rb") as downloaded_file:
downloaded_content = downloaded_file.read() # read entire file as bytes
readable_hash = hashlib.sha256(downloaded_content).hexdigest()
if expected_hash == readable_hash:
return
raise Exception("Checksum mismatch")
raise Exception("File checksum is not yet recorded")
def download_file(self, url, file_name=None):
"""
Download a single source archive.
"""
cache_dir = os.path.join(self.git_dir, 'sources')
# Automatically determine file name based on URL.
if file_name is None:
file_name = os.path.basename(url)
abs_file_name = os.path.join(cache_dir, file_name)
# Create a cache directory for downloaded sources
if not os.path.isdir(cache_dir):
os.mkdir(cache_dir)
# Actually download the file
if not os.path.isfile(abs_file_name):
print("Downloading: %s" % (file_name))
request = requests.get(url, allow_redirects=True)
open(abs_file_name, 'wb').write(request.content)
# Check SHA256 hash
self.check_file(abs_file_name)
return abs_file_name
def get_file(self, url, mkbuild=False, output=None):
"""
Download and prepares source packages
url can be either:
1. a single URL
2. list of URLs to download. In this case the first URL is the primary URL
from which we derive the name of package directory
output can be used to override file name of the downloaded file(s).
mkbuild=True can be used to pre-create build directories before
mkdir is available.
"""
# Single URL
if isinstance(url, str):
assert output is None or isinstance(output, str)
file_name = url if output is None else output
urls = [url]
outputs = [output]
# Multiple URLs
elif isinstance(url, list):
assert output is None or len(output) == len(url)
file_name = url[0] if output is None else output[0]
urls = url
outputs = output if output is not None else [None] * len(url)
else:
raise TypeError("url must be either a string or a list of strings")
# Determine installation directory
target_name = get_target(file_name)
target_src_dir = os.path.join(self.after_dir, target_name, 'src')
# Install base files
src_tree = os.path.join(self.sysa_dir, target_name)
copytree(src_tree, self.after_dir)
os.mkdir(target_src_dir)
for i, _ in enumerate(urls):
# Download files into cache directory
tarball = self.download_file(urls[i], outputs[i])
# Install sources into target directory
shutil.copy2(tarball, target_src_dir)
if mkbuild:
os.mkdir(os.path.join(self.after_dir, target_name, 'build'))
def prepare(self):
"""
Prepare directory structore for System A.
We create an empty tmpfs, unpack stage0-posix.
Rest of the files are unpacked into more structured directory /after
"""
if not os.path.isdir(self.tmp_dir):
os.mkdir(self.tmp_dir)
print("Mounting tmpfs on %s" % (self.tmp_dir))
mount('tmpfs', self.tmp_dir, 'tmpfs', 'size=8G')
self.stage0_posix()
self.after()
def stage0_posix(self):
"""Copy in all the stage0-posix (formerly known as mescc-tools-seed)"""
mescc_tools_seed_base_dir = os.path.join(self.sysa_dir, 'mescc-tools-seed',
'src', 'mescc-tools-seed')
mescc_tools_seed_dir = os.path.join(mescc_tools_seed_base_dir, self.arch)
copy_tree(mescc_tools_seed_dir, self.tmp_dir)
m2_planet_dir = os.path.join(mescc_tools_seed_base_dir, 'M2-Planet')
copytree(m2_planet_dir, self.tmp_dir)
# At the moment not useful for bootstrap but easier to keep it
mes_m2_dir = os.path.join(mescc_tools_seed_base_dir, 'mes-m2')
copytree(mes_m2_dir, self.tmp_dir)
mescc_tools_patched_dir = os.path.join(self.sysa_dir, 'mescc-tools-seed',
'src', 'mescc-tools-patched')
shutil.copytree(mescc_tools_patched_dir,
os.path.join(self.tmp_dir, 'mescc-tools'), shutil.ignore_patterns('*.git*'))
# bootstrap seeds
bootstrap_seeds_dir = os.path.join(self.sysa_dir, 'bootstrap-seeds')
copytree(bootstrap_seeds_dir, self.tmp_dir)
kaem_optional_seed = os.path.join(bootstrap_seeds_dir, 'POSIX',
self.arch, 'kaem-optional-seed')
shutil.copy2(kaem_optional_seed, os.path.join(self.tmp_dir, 'init'))
# replace the init kaem with our own custom one
shutil.move(os.path.join(self.tmp_dir, 'kaem.run'),
os.path.join(self.tmp_dir, 'mescc-tools-seed.kaem.run'))
shutil.copy2(os.path.join(self.sysa_dir, 'base.kaem.run'),
os.path.join(self.tmp_dir, 'kaem.run'))
# create directories needed
os.mkdir(os.path.join(self.tmp_dir, 'bin'))
def after(self):
"""
Prepare sources in /after directory.
After mescc-tools-seed we get into our own directory because
the mescc-tools-seed one is hella messy.
"""
self.create_after_dirs()
self.mescc_tools_checksum()
self.deploy_extra_files()
self.mescc_tools_extra()
self.mes()
self.tcc_0_9_26()
self.tcc_0_9_27()
self.tar_1_12()
self.get_packages()
def create_after_dirs(self):
"""
Create some empty directories for early bootstrap
This list can be eventually reduced if we include a small
mkdir implementation written for M2-Planet.
"""
bin_dir = os.path.join(self.after_dir, 'bin')
lib_dir = os.path.join(self.after_dir, 'lib')
include_dir = os.path.join(self.after_dir, 'include')
os.mkdir(self.after_dir)
os.mkdir(bin_dir)
os.mkdir(lib_dir)
os.mkdir(include_dir)
os.mkdir(os.path.join(lib_dir, self.arch+'-mes'))
os.mkdir(os.path.join(lib_dir, 'tcc'))
os.mkdir(os.path.join(lib_dir, 'linux'))
os.mkdir(os.path.join(lib_dir, 'linux', self.arch+'-mes'))
os.mkdir(os.path.join(include_dir, 'mes'))
os.mkdir(os.path.join(include_dir, 'gnu'))
os.mkdir(os.path.join(include_dir, 'linux'))
os.mkdir(os.path.join(include_dir, 'linux', self.arch))
os.mkdir(os.path.join(include_dir, 'sys'))
os.mkdir(os.path.join(include_dir, 'mach'))
# Needed for patch to work, although can be fixed with TMPDIR
os.mkdir(os.path.join(self.tmp_dir, 'tmp'))
def mescc_tools_checksum(self):
"""Early fletcher16 checksum files"""
shutil.copy2(os.path.join(self.sysa_dir, 'mescc-tools-seed', 'checksums'),
os.path.join(self.after_dir, 'mescc-tools-seed-checksums'))
def deploy_extra_files(self):
"""Deploy misc files"""
extra_files = ['helpers.sh', 'run.sh', 'run2.sh', 'pre-sha.sha256sums']
for extra_file in extra_files:
shutil.copy2(os.path.join(self.sysa_dir, extra_file), self.after_dir)
shutil.copy2(os.path.join(self.sysa_dir, 'after.kaem'), self.tmp_dir)
shutil.copy2(os.path.join(self.sysa_dir, 'after.kaem.run'),
os.path.join(self.after_dir, 'kaem.run'))
shutil.copy2(os.path.join(self.git_dir, 'SHA256SUMS.sources'), self.after_dir)
def mescc_tools_extra(self):
"""Some additional tools such as cp and chmod (for M2-Planet)"""
copytree(os.path.join(self.sysa_dir, 'mescc-tools-extra'), self.after_dir)
def mes(self):
"""GNU Mes"""
copytree(os.path.join(self.sysa_dir, 'mes'), self.after_dir)
mes_dir = os.path.join(self.after_dir, 'mes', 'src', 'mes')
os.mkdir(os.path.join(mes_dir, 'bin'))
os.mkdir(os.path.join(mes_dir, 'm2'))
def tcc_0_9_26(self):
"""TinyCC 0.9.26 (patched by janneke)"""
copytree(os.path.join(self.sysa_dir, 'tcc-0.9.26'), self.after_dir)
def tcc_0_9_27(self):
"""TinyCC 0.9.27"""
copytree(os.path.join(self.sysa_dir, 'tcc-0.9.27'), self.after_dir)
def tar_1_12(self):
"""GNU Tar 1.12"""
# We have to pre-unpack tar sources.
# Possible alternative is to build a single C file implementation of untar.
tar_url = "https://mirrors.kernel.org/gnu/tar/tar-1.12.tar.gz"
self.get_file(tar_url)
tar_src_dir = os.path.join(self.after_dir, 'tar-1.12', 'src')
tar_tarball = os.path.join(tar_src_dir, os.path.basename(tar_url))
run('tar', '-C', tar_src_dir, '-xf', tar_tarball, '--strip-components=1')
# pylint: disable=line-too-long,too-many-statements
def get_packages(self):
"""Prepare remaining sources"""
# gzip 1.2.4
self.get_file("https://mirrors.kernel.org/gnu/gzip/gzip-1.2.4.tar", mkbuild=True)
# sed 4.0.9
self.get_file("https://mirrors.kernel.org/gnu/sed/sed-4.0.9.tar.gz", mkbuild=True)
# patch 2.5.9
self.get_file("https://ftp.gnu.org/pub/gnu/patch/patch-2.5.9.tar.gz", mkbuild=True)
# sha-2 61555d
self.get_file("https://github.com/amosnier/sha-2/archive/61555d.tar.gz", mkbuild=True,
output="sha-2-61555d.tar.gz")
# make 3.80
self.get_file("https://mirrors.kernel.org/gnu/make/make-3.80.tar.gz", mkbuild=True)
# bzip2 1.0.8
self.get_file("https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz", mkbuild=True)
# coreutils 5.0
self.get_file("https://mirrors.kernel.org/gnu/coreutils/coreutils-5.0.tar.bz2", mkbuild=True)
# 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://ftp.gnu.org/pub/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 2.65
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.65.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",
output="gcc-4.0.4.tar.bz2")
# musl 1.2.2
self.get_file("https://musl.libc.org/releases/musl-1.2.2.tar.gz")
# bash 5.1
self.get_file("https://mirrors.kernel.org/gnu/bash/bash-5.1.tar.gz")
# xz 5.0.5
self.get_file("https://tukaani.org/xz/xz-5.0.5.tar.bz2")
# automake 1.11.2
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.11.2.tar.bz2")
# autoconf 2.69
self.get_file("https://mirrors.kernel.org/gnu/autoconf/autoconf-2.69.tar.xz")
# automake 1.12.6
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.12.6.tar.xz")
# automake 1.13.4
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.13.4.tar.xz")
# automake 1.15.1
self.get_file("https://mirrors.kernel.org/gnu/automake/automake-1.15.1.tar.xz")
# tar 1.34
self.get_file(["https://mirrors.kernel.org/gnu/tar/tar-1.34.tar.xz",
"https://git.savannah.gnu.org/cgit/gnulib.git/snapshot/gnulib-30820c.tar.gz"])
# gmp 6.2.1
self.get_file("https://mirrors.kernel.org/gnu/gmp/gmp-6.2.1.tar.xz")
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