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man. some major restructuring, and envsetup.py is a kinda neat hack.

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brent s 2019-09-30 22:08:37 -04:00
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.gitignore vendored
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*.7z
*.bak

# We don't need these in git.
screenlog*
*.swp
*.lck
*~
.~lock.*
*.deb
*.jar
*.pkg.tar.xz
*.rar
*.run
*.sig
*.tar
*.tar.bz2
*.tar.gz
*.tar.xz
*.tbz
*.tbz2
*.tgz
*.txz
*.zip
.*.swp
.editix

# and we DEFINITELY don't need these.
__pycache__/
*.pyc

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parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".

You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.

The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

3
README Normal file
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@ -0,0 +1,3 @@
AIF-NG (Arch Installation Framework, Next Generation) is a means to install Arch Linux (https://www.archlinux.org/) in an unattended and automated fashion. Think of it as something akin to RedHat's Kickstart or Debian's Preseed for Arch Linux.

See https://aif-ng.io/ for more information about this project.

1117
aif-config.py
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File diff suppressed because it is too large Load Diff

18
aif.xsd
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@ -12,7 +12,8 @@
<xs:simpleType name="diskdev">
<xs:annotation>
<xs:documentation>
This element specifies a type to be used for validating storage devices, such as hard disks or mdadm-managed devices.
This element specifies a type to be used for validating storage devices, such as hard disks or
mdadm-managed devices.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
@ -23,7 +24,8 @@
<xs:simpleType name="diskfmt">
<xs:annotation>
<xs:documentation>
This element specifies a type to validate what kind of disk formatting. Accepts either GPT or BIOS (for MBR systems) only.
This element specifies a type to validate what kind of disk formatting. Accepts either GPT or BIOS (for
MBR systems) only.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
@ -34,7 +36,8 @@
<xs:simpleType name="disksize">
<xs:annotation>
<xs:documentation>
This element validates a disk size specification for a partition. Same rules apply as those in parted's size specification.
This element validates a disk size specification for a partition. Same rules apply as those in parted's
size specification.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
@ -45,7 +48,8 @@
<xs:simpleType name="fstype">
<xs:annotation>
<xs:documentation>
This element validates a filesystem type to be specified for formatting a partition. See sgdisk -L (or the table at http://www.rodsbooks.com/gdisk/walkthrough.html) for valid filesystem codes.
This element validates a filesystem type to be specified for formatting a partition. See sgdisk -L (or
the table at http://www.rodsbooks.com/gdisk/walkthrough.html) for valid filesystem codes.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:token">
@ -62,7 +66,8 @@
<xs:simpleType name="iface">
<xs:restriction base="xs:token">
<!-- https://github.com/systemd/systemd/blob/master/src/udev/udev-builtin-net_id.c#L20 lines 30-47. i have no idea if this will work. TODO: simplify, validate in-code. -->
<xs:pattern value="(auto|((en|sl|wl|ww)(b[0-9]+|c[a-z0-9]|o[0-9]+(n.*(d.*)?)?|s[0-9]+(f.*)?((n|d).*)?|x([A-Fa-f0-9]:){5}[A-Fa-f0-9]|(P.*)?p[0-9]+s[0-9]+(((f|n|d).*)|u.*)?)))" />
<xs:pattern
value="(auto|((en|sl|wl|ww)(b[0-9]+|c[a-z0-9]|o[0-9]+(n.*(d.*)?)?|s[0-9]+(f.*)?((n|d).*)?|x([A-Fa-f0-9]:){5}[A-Fa-f0-9]|(P.*)?p[0-9]+s[0-9]+(((f|n|d).*)|u.*)?)))"/>
</xs:restriction>
</xs:simpleType>

@ -99,7 +104,8 @@

<xs:simpleType name="nixpass">
<xs:restriction base="xs:token">
<xs:pattern value="$(6$[A-Za-z0-9\./\+=]{8,16}$[A-Za-z0-9\./\+=]{86}|1$[A-Za-z0-9\./\+=]{8,16}$[A-Za-z0-9\./\+=]{22}|5$[A-Za-z0-9\./\+=]{8,16}$[A-Za-z0-9\./\+=]{43})" />
<xs:pattern
value="$(6$[A-Za-z0-9\./\+=]{8,16}$[A-Za-z0-9\./\+=]{86}|1$[A-Za-z0-9\./\+=]{8,16}$[A-Za-z0-9\./\+=]{22}|5$[A-Za-z0-9\./\+=]{8,16}$[A-Za-z0-9\./\+=]{43})"/>
</xs:restriction>
</xs:simpleType>


3
aif/__init__.py Normal file
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@ -0,0 +1,3 @@
class AIF(object):
def __init__(self):
pass

17
aif/config.py Normal file
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@ -0,0 +1,17 @@
import os
##
from lxml import etree

class Config(object):
def __init__(self):
self.xml = None

def parseLocalFile(self, fpath):
fpath = os.path.abspath(os.path.expanduser(fpath))
pass

def parseRemoteFile(self, url):
pass

def parseRawContent(self, content):
pass

0
aif/constants.py Normal file
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15
aif/disk.py Normal file
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@ -0,0 +1,15 @@
# To reproduce sgdisk behaviour in v1 of AIF-NG:
# https://gist.github.com/herry13/5931cac426da99820de843477e41e89e
# https://github.com/dcantrell/pyparted/blob/master/examples/query_device_capacity.py
# TODO: Remember to replicate genfstab behaviour.

try:
# https://stackoverflow.com/a/34812552/733214
# https://github.com/karelzak/util-linux/blob/master/libmount/python/test_mount_context.py#L6
import libmount as mount
except ImportError:
# We should never get here. util-linux is part of core (base) in Arch and uses "libmount".
import pylibmount as mount
##
import parted
import psutil

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aif/envsetup.py Normal file
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@ -0,0 +1,50 @@
# We use a temporary venv to ensure we have all the external libraries we need.
# This removes the necessity of extra libs at runtime. If you're in an environment that doesn't have access to PyPI/pip,
# you'll need to customize the install host (typically the live CD/live USB) to have them installed as system packages.
# Before you hoot and holler about this, Let's Encrypt's certbot-auto does the same thing.
# Except I segregate it out even further; I don't even install pip into the system python.

import ensurepip
import json
import os
import tempfile
import subprocess
import sys
import venv

# TODO: a more consistent way of managing deps?
depmods = ['gpg', 'requests', 'lxml', 'psutil', 'pyparted', 'pytz', 'passlib', 'validators']

class EnvBuilder(object):
def __init__(self):
self.vdir = tempfile.mkdtemp(prefix = '.aif_', suffix = '_VENV')
self.venv = venv.create(self.vdir, system_site_packages = True, clear = True, with_pip = True)
ensurepip.bootstrap(root = self.vdir)
# pip does some dumb env var things and doesn't clean up after itself.
for v in ('PIP_CONFIG_FILE', 'ENSUREPIP_OPTIONS', 'PIP_REQ_TRACKER', 'PLAT'):
if os.environ.get(v):
del(os.environ[v])
moddir_raw = subprocess.run([os.path.join(self.vdir,
'bin',
'python3'),
'-c',
('import site; '
'import json; '
'print(json.dumps(site.getsitepackages(), indent = 4))')],
stdout = subprocess.PIPE)
self.modulesdir = json.loads(moddir_raw.stdout.decode('utf-8'))[0]
# This is SO. DUMB. WHY DO I HAVE TO CALL PIP FROM A SHELL. IT'S WRITTEN IN PYTHON.
# https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program
# TODO: logging
for m in depmods:
pip_cmd = [os.path.join(self.vdir,
'bin',
'python3'),
'-m',
'pip',
'install',
'--disable-pip-version-check',
m]
subprocess.run(pip_cmd)
# And now make it available to other components.
sys.path.insert(1, self.modulesdir)

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aif/log.py Normal file
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@ -0,0 +1 @@
import logging

1
aif/network.py Normal file
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@ -0,0 +1 @@
import ipaddress

6
aif/pacman.py Normal file
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@ -0,0 +1,6 @@
# We can manually bootstrap and alter pacman's keyring. But check the bootstrap tarball; we might not need to.
# TODO.

import os
##
import gpg

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aif/users.py Normal file
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@ -0,0 +1,9 @@
# There isn't a python package that can manage *NIX users (well), unfortunately.
# So we do something stupid:
# https://www.tldp.org/LDP/sag/html/adduser.html
# https://unix.stackexchange.com/a/153227/284004
# https://wiki.archlinux.org/index.php/users_and_groups#File_list

import os
##
import passlib # validate password hash/gen hash

958
aifclient.py
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@ -1,958 +0,0 @@
#!/usr/bin/env python3

## REQUIRES: ##
# parted #
# sgdisk ### (yes, both)
# python 3 with standard library
# (OPTIONAL) lxml
# pacman in the host environment
# arch-install-scripts: https://www.archlinux.org/packages/extra/any/arch-install-scripts/
# a network connection
# the proper kernel arguments.

try:
from lxml import etree
lxml_avail = True
except ImportError:
import xml.etree.ElementTree as etree # https://docs.python.org/3/library/xml.etree.elementtree.html
lxml_avail = False
import datetime
import shlex
import fileinput
import os
import shutil
import re
import socket
import subprocess
import ipaddress
import copy
import urllib.request as urlrequest
import urllib.parse as urlparse
import urllib.response as urlresponse
from ftplib import FTP_TLS
from io import StringIO

logfile = '/root/aif.log.{0}'.format(int(datetime.datetime.utcnow().timestamp()))

class aif(object):
def __init__(self):
pass
def kernelargs(self):
if 'DEBUG' in os.environ.keys():
kernelparamsfile = '/tmp/cmdline'
else:
kernelparamsfile = '/proc/cmdline'
args = {}
args['aif'] = False
# For FTP or HTTP auth
args['aif_user'] = False
args['aif_password'] = False
args['aif_auth'] = False
args['aif_realm'] = False
args['aif_auth'] = 'basic'
with open(kernelparamsfile, 'r') as f:
cmdline = f.read()
for p in shlex.split(cmdline):
if p.startswith('aif'):
param = p.split('=')
if len(param) == 1:
param.append(True)
args[param[0]] = param[1]
if not args['aif']:
exit('You do not have AIF enabled. Exiting.')
args['aif_auth'] = args['aif_auth'].lower()
return(args)
def getConfig(self, args = False):
if not args:
args = self.kernelargs()
# Sanitize the user specification and find which protocol to use
prefix = args['aif_url'].split(':')[0].lower()
# Use the urllib module
if prefix in ('http', 'https', 'file', 'ftp'):
if args['aif_user'] and args['aif_password']:
# Set up Basic or Digest auth.
passman = urlrequest.HTTPPasswordMgrWithDefaultRealm()
if not args['aif_realm']:
passman.add_password(None, args['aif_url'], args['aif_user'], args['aif_password'])
else:
passman.add_password(args['aif_realm'], args['aif_url'], args['aif_user'], args['aif_password'])
if args['aif_auth'] == 'digest':
httpauth = urlrequest.HTTPDigestAuthHandler(passman)
else:
httpauth = urlrequest.HTTPBasicAuthHandler(passman)
httpopener = urlrequest.build_opener(httpauth)
urlrequest.install_opener(httpopener)
with urlrequest.urlopen(args['aif_url']) as f:
conf = f.read()
elif prefix == 'ftps':
if args['aif_user']:
username = args['aif_user']
else:
username = 'anonymous'
if args['aif_password']:
password = args['aif_password']
else:
password = 'anonymous'
filepath = '/'.join(args['aif_url'].split('/')[3:])
server = args['aif_url'].split('/')[2]
content = StringIO()
ftps = FTP_TLS(server)
ftps.login(username, password)
ftps.prot_p()
ftps.retrlines("RETR " + filepath, content.write)
conf = content.getvalue()
else:
exit('{0} is not a recognised URI type specifier. Must be one of http, https, file, ftp, or ftps.'.format(prefix))
return(conf)

def webFetch(self, uri, auth = False):
# Sanitize the user specification and find which protocol to use
prefix = uri.split(':')[0].lower()
# Use the urllib module
if prefix in ('http', 'https', 'file', 'ftp'):
if auth:
if 'user' in auth.keys() and 'password' in auth.keys():
# Set up Basic or Digest auth.
passman = urlrequest.HTTPPasswordMgrWithDefaultRealm()
if not 'realm' in auth.keys():
passman.add_password(None, uri, auth['user'], auth['password'])
else:
passman.add_password(auth['realm'], uri, auth['user'], auth['password'])
if auth['type'] == 'digest':
httpauth = urlrequest.HTTPDigestAuthHandler(passman)
else:
httpauth = urlrequest.HTTPBasicAuthHandler(passman)
httpopener = urlrequest.build_opener(httpauth)
urlrequest.install_opener(httpopener)
with urlrequest.urlopen(uri) as f:
data = f.read()
elif prefix == 'ftps':
if auth:
if 'user' in auth.keys():
username = auth['user']
else:
username = 'anonymous'
if 'password' in auth.keys():
password = auth['password']
else:
password = 'anonymous'
filepath = '/'.join(uri.split('/')[3:])
server = uri.split('/')[2]
content = StringIO()
ftps = FTP_TLS(server)
ftps.login(username, password)
ftps.prot_p()
ftps.retrlines("RETR " + filepath, content.write)
data = content.getvalue()
else:
exit('{0} is not a recognised URI type specifier. Must be one of http, https, file, ftp, or ftps.'.format(prefix))
return(data)

def getXML(self, confobj = False):
if not confobj:
confobj = self.getConfig()
xmlobj = etree.fromstring(confobj)
return(xmlobj)
def buildDict(self, xmlobj = False):
if not xmlobj:
xmlobj = self.getXML()
# Set up the skeleton dicts
aifdict = {}
for i in ('disk', 'mount', 'network', 'system', 'users', 'software', 'scripts'):
aifdict[i] = {}
for i in ('network.ifaces', 'system.bootloader', 'system.services', 'users.root'):
i = i.split('.')
dictname = i[0]
keyname = i[1]
aifdict[dictname][keyname] = {}
aifdict['scripts']['pre'] = False
aifdict['scripts']['post'] = False
aifdict['users']['root']['password'] = False
for i in ('repos', 'mirrors', 'packages'):
aifdict['software'][i] = {}
# Set up the dict elements for disk partitioning
for i in xmlobj.findall('storage/disk'):
disk = i.attrib['device']
fmt = i.attrib['diskfmt'].lower()
if not fmt in ('gpt', 'bios'):
exit('Device {0}\'s format "{1}" is not a valid type (one of gpt, bios).'.format(disk,
fmt))
aifdict['disk'][disk] = {}
aifdict['disk'][disk]['fmt'] = fmt
aifdict['disk'][disk]['parts'] = {}
for x in i:
if x.tag == 'part':
partnum = x.attrib['num']
aifdict['disk'][disk]['parts'][partnum] = {}
for a in x.attrib:
aifdict['disk'][disk]['parts'][partnum][a] = x.attrib[a]
# Set up mountpoint dicts
for i in xmlobj.findall('storage/mount'):
device = i.attrib['source']
mntpt = i.attrib['target']
order = int(i.attrib['order'])
if 'fstype' in i.keys():
fstype = i.attrib['fstype']
else:
fstype = None
if 'opts' in i.keys():
opts = i.attrib['opts']
else:
opts = None
aifdict['mount'][order] = {}
aifdict['mount'][order]['device'] = device
aifdict['mount'][order]['mountpt'] = mntpt
aifdict['mount'][order]['fstype'] = fstype
aifdict['mount'][order]['opts'] = opts
# Set up networking dicts
aifdict['network']['hostname'] = xmlobj.find('network').attrib['hostname']
for i in xmlobj.findall('network/iface'):
# Create a dict for the iface name.
iface = i.attrib['device']
proto = i.attrib['netproto']
address = i.attrib['address']
if 'gateway' in i.attrib.keys():
gateway = i.attrib['gateway']
else:
gateway = False
if 'resolvers' in i.attrib.keys():
resolvers = i.attrib['resolvers']
else:
resolvers = False
if iface not in aifdict['network']['ifaces'].keys():
aifdict['network']['ifaces'][iface] = {}
if proto not in aifdict['network']['ifaces'][iface].keys():
aifdict['network']['ifaces'][iface][proto] = {}
if 'gw' not in aifdict['network']['ifaces'][iface][proto].keys():
aifdict['network']['ifaces'][iface][proto]['gw'] = gateway
aifdict['network']['ifaces'][iface][proto]['addresses'] = []
aifdict['network']['ifaces'][iface][proto]['addresses'].append(address)
aifdict['network']['ifaces'][iface]['resolvers'] = []
if resolvers:
for ip in filter(None, re.split('[,\s]+', resolvers)):
if ip not in aifdict['network']['ifaces'][iface]['resolvers']:
aifdict['network']['ifaces'][iface]['resolvers'].append(ip)
else:
aifdict['network']['ifaces'][iface][proto]['resolvers'] = False
# Set up the users dicts
aifdict['users']['root']['password'] = xmlobj.find('system/users').attrib['rootpass']
for i in xmlobj.findall('system/users'):
for x in i:
username = x.attrib['name']
aifdict['users'][username] = {}
for a in ('uid', 'group', 'gid', 'password', 'comment', 'sudo'):
if a in x.attrib.keys():
aifdict['users'][username][a] = x.attrib[a]
else:
aifdict['users'][username][a] = None
sudo = (x.attrib['sudo']).lower() in ('true', '1')
aifdict['users'][username]['sudo'] = sudo
# And we also need to handle the homedir and xgroup situation
for n in ('home', 'xgroup'):
aifdict['users'][username][n] = False
for a in x:
if not aifdict['users'][username][a.tag]:
aifdict['users'][username][a.tag] = {}
for b in a.attrib:
if a.tag == 'xgroup':
if b == 'name':
groupname = a.attrib[b]
if groupname not in aifdict['users'][username]['xgroup'].keys():
aifdict['users'][username]['xgroup'][a.attrib[b]] = {}
else:
aifdict['users'][username]['xgroup'][a.attrib['name']][b] = a.attrib[b]
else:
aifdict['users'][username][a.tag][b] = a.attrib[b]
# And fill in any missing values. We could probably use the XSD and use of defaults to do this, but... oh well.
if isinstance(aifdict['users'][username]['xgroup'], dict):
for g in aifdict['users'][username]['xgroup'].keys():
for k in ('create', 'gid'):
if k not in aifdict['users'][username]['xgroup'][g].keys():
aifdict['users'][username]['xgroup'][g][k] = False
elif k == 'create':
aifdict['users'][username]['xgroup'][g][k] = aifdict['users'][username]['xgroup'][g][k].lower() in ('true', '1')
if isinstance(aifdict['users'][username]['home'], dict):
for k in ('path', 'create'):
if k not in aifdict['users'][username]['home'].keys():
aifdict['users'][username]['home'][k] = False
elif k == 'create':
aifdict['users'][username]['home'][k] = aifdict['users'][username]['home'][k].lower() in ('true', '1')
# Set up the system settings, if applicable.
aifdict['system']['timezone'] = False
aifdict['system']['locale'] = False
aifdict['system']['kbd'] = False
aifdict['system']['chrootpath'] = False
aifdict['system']['reboot'] = False
for i in ('locale', 'timezone', 'kbd', 'chrootpath', 'reboot'):
if i in xmlobj.find('system').attrib:
aifdict['system'][i] = xmlobj.find('system').attrib[i]
aifdict['system']['reboot'] = aifdict['system']['reboot'].lower() in ('true', '1')
# And now services...
if xmlobj.find('system/service') is None:
aifdict['system']['services'] = False
else:
for x in xmlobj.findall('system/service'):
svcname = x.attrib['name']
state = x.attrib['status'].lower() in ('true', '1')
aifdict['system']['services'][svcname] = {}
aifdict['system']['services'][svcname]['status'] = state
# And software. First the mirror list.
if xmlobj.find('pacman/mirrorlist') is None:
aifdict['software']['mirrors'] = False
else:
aifdict['software']['mirrors'] = []
for x in xmlobj.findall('pacman/mirrorlist'):
for i in x:
aifdict['software']['mirrors'].append(i.text)
# Then the command
if 'command' in xmlobj.find('pacman').attrib:
aifdict['software']['command'] = xmlobj.find('pacman').attrib['command']
else:
aifdict['software']['command'] = False
# And then the repo list.
for x in xmlobj.findall('pacman/repos/repo'):
repo = x.attrib['name']
aifdict['software']['repos'][repo] = {}
aifdict['software']['repos'][repo]['enabled'] = x.attrib['enabled'].lower() in ('true', '1')
aifdict['software']['repos'][repo]['siglevel'] = x.attrib['siglevel']
aifdict['software']['repos'][repo]['mirror'] = x.attrib['mirror']
# And packages.
if xmlobj.find('pacman/software') is None:
aifdict['software']['packages'] = False
else:
aifdict['software']['packages'] = {}
for x in xmlobj.findall('pacman/software/package'):
aifdict['software']['packages'][x.attrib['name']] = {}
if 'repo' in x.attrib:
aifdict['software']['packages'][x.attrib['name']]['repo'] = x.attrib['repo']
else:
aifdict['software']['packages'][x.attrib['name']]['repo'] = None
# The bootloader setup...
for x in xmlobj.find('bootloader').attrib:
aifdict['system']['bootloader'][x] = xmlobj.find('bootloader').attrib[x]
# The script setup...
if xmlobj.find('scripts') is not None:
aifdict['scripts']['pre'] = []
aifdict['scripts']['post'] = []
aifdict['scripts']['pkg'] = []
tempscriptdict = {'pre': {}, 'post': {}, 'pkg': {}}
for x in xmlobj.find('scripts'):
if all(keyname in list(x.attrib.keys()) for keyname in ('user', 'password')):
auth = {}
auth['user'] = x.attrib['user']
auth['password'] = x.attrib['password']
if 'realm' in x.attrib.keys():
auth['realm'] = x.attrib['realm']
if 'authtype' in x.attrib.keys():
auth['type'] = x.attrib['authtype']
scriptcontents = self.webFetch(x.attrib['uri'], auth).decode('utf-8')
else:
scriptcontents = self.webFetch(x.attrib['uri']).decode('utf-8')
tempscriptdict[x.attrib['execution']][x.attrib['order']] = scriptcontents
for d in ('pre', 'post', 'pkg'):
keylst = list(tempscriptdict[d].keys())
keylst.sort()
for s in keylst:
aifdict['scripts'][d].append(tempscriptdict[d][s])
return(aifdict)

class archInstall(object):
def __init__(self, aifdict):
for k, v in aifdict.items():
setattr(self, k, v)

def format(self):
# NOTE: the following is a dict of fstype codes to their description.
fstypes = {'0700': 'Microsoft basic data', '0c01': 'Microsoft reserved', '2700': 'Windows RE', '3000': 'ONIE config', '3900': 'Plan 9', '4100': 'PowerPC PReP boot', '4200': 'Windows LDM data', '4201': 'Windows LDM metadata', '4202': 'Windows Storage Spaces', '7501': 'IBM GPFS', '7f00': 'ChromeOS kernel', '7f01': 'ChromeOS root', '7f02': 'ChromeOS reserved', '8200': 'Linux swap', '8300': 'Linux filesystem', '8301': 'Linux reserved', '8302': 'Linux /home', '8303': 'Linux x86 root (/)', '8304': 'Linux x86-64 root (/', '8305': 'Linux ARM64 root (/)', '8306': 'Linux /srv', '8307': 'Linux ARM32 root (/)', '8400': 'Intel Rapid Start', '8e00': 'Linux LVM', 'a500': 'FreeBSD disklabel', 'a501': 'FreeBSD boot', 'a502': 'FreeBSD swap', 'a503': 'FreeBSD UFS', 'a504': 'FreeBSD ZFS', 'a505': 'FreeBSD Vinum/RAID', 'a580': 'Midnight BSD data', 'a581': 'Midnight BSD boot', 'a582': 'Midnight BSD swap', 'a583': 'Midnight BSD UFS', 'a584': 'Midnight BSD ZFS', 'a585': 'Midnight BSD Vinum', 'a600': 'OpenBSD disklabel', 'a800': 'Apple UFS', 'a901': 'NetBSD swap', 'a902': 'NetBSD FFS', 'a903': 'NetBSD LFS', 'a904': 'NetBSD concatenated', 'a905': 'NetBSD encrypted', 'a906': 'NetBSD RAID', 'ab00': 'Recovery HD', 'af00': 'Apple HFS/HFS+', 'af01': 'Apple RAID', 'af02': 'Apple RAID offline', 'af03': 'Apple label', 'af04': 'AppleTV recovery', 'af05': 'Apple Core Storage', 'bc00': 'Acronis Secure Zone', 'be00': 'Solaris boot', 'bf00': 'Solaris root', 'bf01': 'Solaris /usr & Mac ZFS', 'bf02': 'Solaris swap', 'bf03': 'Solaris backup', 'bf04': 'Solaris /var', 'bf05': 'Solaris /home', 'bf06': 'Solaris alternate sector', 'bf07': 'Solaris Reserved 1', 'bf08': 'Solaris Reserved 2', 'bf09': 'Solaris Reserved 3', 'bf0a': 'Solaris Reserved 4', 'bf0b': 'Solaris Reserved 5', 'c001': 'HP-UX data', 'c002': 'HP-UX service', 'ea00': 'Freedesktop $BOOT', 'eb00': 'Haiku BFS', 'ed00': 'Sony system partition', 'ed01': 'Lenovo system partition', 'ef00': 'EFI System', 'ef01': 'MBR partition scheme', 'ef02': 'BIOS boot partition', 'f800': 'Ceph OSD', 'f801': 'Ceph dm-crypt OSD', 'f802': 'Ceph journal', 'f803': 'Ceph dm-crypt journal', 'f804': 'Ceph disk in creation', 'f805': 'Ceph dm-crypt disk in creation', 'fb00': 'VMWare VMFS', 'fb01': 'VMWare reserved', 'fc00': 'VMWare kcore crash protection', 'fd00': 'Linux RAID'}
# We want to build a mapping of commands to run after partitioning. This will be fleshed out in the future to hopefully include more.
formatting = {}
# TODO: we might want to provide a way to let users specify extra options here.
# TODO: label support?
formatting['ef00'] = ['mkfs.vfat', '-F', '32', '%PART%']
formatting['ef01'] = formatting['ef00']
formatting['ef02'] = formatting['ef00']
formatting['8200'] = ['mkswap', '-c', '%PART%']
formatting['8300'] = ['mkfs.ext4', '-c', '-q', '%PART%'] # some people are DEFINITELY not going to be happy about this. we need to figure out a better way to customize this.
for fs in ('8301', '8302', '8303', '8304', '8305', '8306', '8307'):
formatting[fs] = formatting['8300']
#formatting['8e00'] = FOO # TODO: LVM configuration
#formatting['fd00'] = FOO # TODO: MDADM configuration
cmds = []
for d in self.disk:
partnums = [int(x) for x in self.disk[d]['parts'].keys()]
partnums.sort()
cmds.append(['sgdisk', '-Z', d])
if self.disk[d]['fmt'] == 'gpt':
diskfmt = 'gpt'
if len(partnums) >= 129 or partnums[-1] >= 129:
exit('GPT only supports 128 partitions (and partition allocations).')
cmds.append(['sgdisk', '-og', d])
elif self.disk[d]['fmt'] == 'bios':
diskfmt = 'msdos'
cmds.append(['sgdisk', '-om', d])
cmds.append(['parted', d, '--script', '-a', 'optimal'])
with open(logfile, 'a') as log:
for c in cmds:
subprocess.call(c, stdout = log, stderr = subprocess.STDOUT)
cmds = []
disksize = {}
disksize['start'] = subprocess.check_output(['sgdisk', '-F', d])
disksize['max'] = subprocess.check_output(['sgdisk', '-E', d])
for p in partnums:
# Need to do some mathz to get the actual sectors if we're using percentages.
for s in ('start', 'stop'):
val = self.disk[d]['parts'][str(p)][s]
if '%' in val:
stripped = val.replace('%', '')
modifier = re.sub('[0-9]+%', '', val)
percent = re.sub('(-|\+)*', '', stripped)
decimal = float(percent) / float(100)
newval = int(float(disksize['max']) * decimal)
if s == 'start':
newval = newval + int(disksize['start'])
self.disk[d]['parts'][str(p)][s] = modifier + str(newval)
if self.disk[d]['fmt'] == 'gpt':
for p in partnums:
size = {}
size['start'] = self.disk[d]['parts'][str(p)]['start']
size['end'] = self.disk[d]['parts'][str(p)]['stop']
fstype = self.disk[d]['parts'][str(p)]['fstype'].lower()
if fstype not in fstypes.keys():
print('Filesystem type {0} is not valid. Must be a code from:\nCODE:FILESYSTEM'.format(fstype))
for k, v in fstypes.items():
print(k + ":" + v)
exit()
cmds.append(['sgdisk',
'-n', '{0}:{1}:{2}'.format(str(p),
self.disk[d]['parts'][str(p)]['start'],
self.disk[d]['parts'][str(p)]['stop']),
#'-c', '{0}:"{1}"'.format(str(p), self.disk[d]['parts'][str(p)]['label']), # TODO: add support for partition labels
'-t', '{0}:{1}'.format(str(p), fstype),
d])
mkformat = formatting[fstype]
for x, y in enumerate(mkformat):
if y == '%PART%':
mkformat[x] = d + str(p)
cmds.append(mkformat)
# TODO: add non-gpt stuff here?
with open(logfile, 'a') as log:
for p in cmds:
subprocess.call(p, stdout = log, stderr = subprocess.STDOUT)
usermntidx = list(self.mount.keys())
usermntidx.sort() # We want to make sure we do this in order.
for k in usermntidx:
if self.mount[k]['mountpt'] == 'swap':
subprocess.call(['swapon', self.mount[k]['device']], stdout = log, stderr = subprocess.STDOUT)
else:
os.makedirs(self.mount[k]['mountpt'], exist_ok = True)
os.chown(self.mount[k]['mountpt'], 0, 0)
cmd = ['mount']
if self.mount[k]['fstype']:
cmd.extend(['-t', self.mount[k]['fstype']])
if self.mount[k]['opts']:
cmd.extend(['-o', self.mount[k]['opts']])
cmd.extend([self.mount[k]['device'], self.mount[k]['mountpt']])
subprocess.call(cmd, stdout = log, stderr = subprocess.STDOUT)
return()

def mounts(self):
mntorder = list(self.mount.keys())
mntorder.sort()
for m in mntorder:
mnt = self.mount[m]
if mnt['mountpt'].lower() == 'swap':
cmd = ['swapon', mnt['device']]
else:
cmd = ['mount', mnt['device'], mnt['mountpt']]
if mnt['opts']:
cmd.insert(1, '-o {0}'.format(mnt['opts']))
if mnt['fstype']:
cmd.insert(1, '-t {0}'.format(mnt['fstype']))
# with open(os.devnull, 'w') as DEVNULL:
# for p in cmd:
# subprocess.call(p, stdout = DEVNULL, stderr = subprocess.STDOUT)
# And we need to add some extra mounts to support a chroot. We also need to know what was mounted before.
with open('/proc/mounts', 'r') as f:
procmounts = f.read()
mountlist = {}
for i in procmounts.splitlines():
mountlist[i.split()[1]] = i
cmounts = {}
for m in ('chroot', 'resolv', 'proc', 'sys', 'efi', 'dev', 'pts', 'shm', 'run', 'tmp'):
cmounts[m] = None
chrootdir = self.system['chrootpath']
# chroot (bind mount... onto itself. it's so stupid, i know. see https://bugs.archlinux.org/task/46169)
if chrootdir not in mountlist.keys():
cmounts['chroot'] = ['mount', '--bind', chrootdir, chrootdir]
# resolv.conf (for DNS resolution in the chroot)
if (chrootdir + '/etc/resolv.conf') not in mountlist.keys():
cmounts['resolv'] = ['/bin/mount', '--bind', '-o', 'ro', '/etc/resolv.conf', chrootdir + '/etc/resolv.conf']
# proc
if (chrootdir + '/proc') not in mountlist.keys():
cmounts['proc'] = ['/bin/mount', '-t', 'proc', '-o', 'nosuid,noexec,nodev', 'proc', chrootdir + '/proc']
# sys
if (chrootdir + '/sys') not in mountlist.keys():
cmounts['sys'] = ['/bin/mount', '-t', 'sysfs', '-o', 'nosuid,noexec,nodev,ro', 'sys', chrootdir + '/sys']
# efi (if it exists on the host)
if '/sys/firmware/efi/efivars' in mountlist.keys():
if (chrootdir + '/sys/firmware/efi/efivars') not in mountlist.keys():
cmounts['efi'] = ['/bin/mount', '-t', 'efivarfs', '-o', 'nosuid,noexec,nodev', 'efivarfs', chrootdir + '/sys/firmware/efi/efivars']
# dev
if (chrootdir + '/dev') not in mountlist.keys():
cmounts['dev'] = ['/bin/mount', '-t', 'devtmpfs', '-o', 'mode=0755,nosuid', 'udev', chrootdir + '/dev']
# pts
if (chrootdir + '/dev/pts') not in mountlist.keys():
cmounts['pts'] = ['/bin/mount', '-t', 'devpts', '-o', 'mode=0620,gid=5,nosuid,noexec', 'devpts', chrootdir + '/dev/pts']
# shm (if it exists on the host)
if '/dev/shm' in mountlist.keys():
if (chrootdir + '/dev/shm') not in mountlist.keys():
cmounts['shm'] = ['/bin/mount', '-t', 'tmpfs', '-o', 'mode=1777,nosuid,nodev', 'shm', chrootdir + '/dev/shm']
# run (if it exists on the host)
if '/run' in mountlist.keys():
if (chrootdir + '/run') not in mountlist.keys():
cmounts['run'] = ['/bin/mount', '-t', 'tmpfs', '-o', 'nosuid,nodev,mode=0755', 'run', chrootdir + '/run']
# tmp (if it exists on the host)
if '/tmp' in mountlist.keys():
if (chrootdir + '/tmp') not in mountlist.keys():
cmounts['tmp'] = ['/bin/mount', '-t', 'tmpfs', '-o', 'mode=1777,strictatime,nodev,nosuid', 'tmp', chrootdir + '/tmp']
# Because the order of these mountpoints is so ridiculously important, we hardcode it.
# Yeah, python 3.6 has ordered dicts, but do we really want to risk it?
# Okay. So we finally have all the mounts bound. Whew.
return(cmounts)
def setup(self, mounts = False):
# TODO: could we leverage https://github.com/hartwork/image-bootstrap somehow? I want to keep this close
# to standard Python libs, though, to reduce dependency requirements.
hostscript = []
chrootcmds = []
locales = []
locale = []
if not mounts:
mounts = self.mounts()
# Get the necessary fstab additions for the guest
chrootfstab = subprocess.check_output(['genfstab', '-U', self.system['chrootpath']])
# Set up the time, and then kickstart the guest install.
hostscript.append(['timedatectl', 'set-ntp', 'true'])
# Also start haveged if we have it.
try:
with open(os.devnull, 'w') as devnull:
subprocess.call(['haveged'], stderr = devnull)
except:
pass
# Make sure we get the keys, in case we're running from a minimal live env.
hostscript.append(['pacman-key', '--init'])
hostscript.append(['pacman-key', '--populate'])
hostscript.append(['pacstrap', self.system['chrootpath'], 'base'])
# Run the basic host prep
#with open(os.devnull, 'w') as DEVNULL:
with open(logfile, 'a') as log:
for c in hostscript:
subprocess.call(c, stdout = log, stderr = subprocess.STDOUT)
with open('{0}/etc/fstab'.format(self.system['chrootpath']), 'a') as f:
f.write('# Generated by AIF-NG.\n')
f.write(chrootfstab.decode('utf-8'))
with open(logfile, 'a') as log:
for m in ('resolv', 'proc', 'sys', 'efi', 'dev', 'pts', 'shm', 'run', 'tmp'):
if mounts[m]:
subprocess.call(mounts[m], stdout = log, stderr = subprocess.STDOUT)

# Validating this would be better with pytz, but it's not stdlib. dateutil would also work, but same problem.
# https://stackoverflow.com/questions/15453917/get-all-available-timezones
tzlist = subprocess.check_output(['timedatectl', 'list-timezones']).decode('utf-8').splitlines()
if self.system['timezone'] not in tzlist:
print('WARNING (non-fatal): {0} does not seem to be a valid timezone, but we\'re continuing anyways.'.format(self.system['timezone']))
tzfile = '{0}/etc/localtime'.format(self.system['chrootpath'])
if os.path.lexists(tzfile):
os.remove(tzfile)
os.symlink('/usr/share/zoneinfo/{0}'.format(self.system['timezone']), tzfile)
# This is an ugly hack. TODO: find a better way of determining if the host is set to UTC in the RTC. maybe the datetime module can do it.
utccheck = subprocess.check_output(['timedatectl', 'status']).decode('utf-8').splitlines()
utccheck = [x.strip(' ') for x in utccheck]
for i, v in enumerate(utccheck):
if v.startswith('RTC in local'):
utcstatus = (v.split(': ')[1]).lower() in ('yes')
break
if utcstatus:
chrootcmds.append(['hwclock', '--systohc'])
# We need to check the locale, and set up locale.gen.
with open('{0}/etc/locale.gen'.format(self.system['chrootpath']), 'r') as f:
localeraw = f.readlines()
for line in localeraw:
if not line.startswith('# '): # Comments, thankfully, have a space between the leading octothorpe and the comment. Locales have no space.
i = line.strip().strip('#')
if i != '': # We also don't want blank entries. Keep it clean, folks.
locales.append(i)
for i in locales:
localelst = i.split()
if localelst[0].lower().startswith(self.system['locale'].lower()):
locale.append(' '.join(localelst).strip())
for i, v in enumerate(localeraw):
for x in locale:
if v.startswith('#{0}'.format(x)):
localeraw[i] = x + '\n'
with open('{0}/etc/locale.gen'.format(self.system['chrootpath']), 'w') as f:
f.write('# Modified by AIF-NG.\n')
f.write(''.join(localeraw))
with open('{0}/etc/locale.conf'.format(self.system['chrootpath']), 'a') as f:
f.write('# Added by AIF-NG.\n')
f.write('LANG={0}\n'.format(locale[0].split()[0]))
chrootcmds.append(['locale-gen'])
# Set up the kbd layout.
# Currently there is NO validation on this. TODO.
if self.system['kbd']:
with open('{0}/etc/vconsole.conf'.format(self.system['chrootpath']), 'a') as f:
f.write('# Generated by AIF-NG.\nKEYMAP={0}\n'.format(self.system['kbd']))
# Set up the hostname.
with open('{0}/etc/hostname'.format(self.system['chrootpath']), 'w') as f:
f.write('# Generated by AIF-NG.\n')
f.write(self.network['hostname'] + '\n')
with open('{0}/etc/hosts'.format(self.system['chrootpath']), 'a') as f:
f.write('# Added by AIF-NG.\n127.0.0.1\t{0}\t{1}\n'.format(self.network['hostname'],
(self.network['hostname']).split('.')[0]))
# Set up networking.
ifaces = []
# Ideally we'd find a better way to do... all of this. Patches welcome. TODO.
if 'auto' in self.network['ifaces'].keys():
# Get the default route interface.
for line in subprocess.check_output(['ip', '-oneline', 'route', 'show']).decode('utf-8').splitlines():
line = line.split()
if line[0] == 'default':
autoiface = line[4]
break
ifaces = list(self.network['ifaces'].keys())
ifaces.sort()
if autoiface in ifaces:
ifaces.remove(autoiface)
for iface in ifaces:
resolvers = False
if 'resolvers' in self.network['ifaces'][iface].keys():
resolvers = self.network['ifaces'][iface]['resolvers']
if iface == 'auto':
ifacedev = autoiface
iftype = 'dhcp'
else:
ifacedev = iface
iftype = 'static'
netprofile = 'Description=\'A basic {0} ethernet connection ({1})\'\nInterface={1}\nConnection=ethernet\n'.format(iftype, ifacedev)
if 'ipv4' in self.network['ifaces'][iface].keys():
if self.network['ifaces'][iface]['ipv4']:
netprofile += 'IP={0}\n'.format(iftype)
if 'ipv6' in self.network['ifaces'][iface].keys():
if self.network['ifaces'][iface]['ipv6']:
netprofile += 'IP6={0}\n'.format(iftype) # TODO: change this to stateless if iftype='dhcp' instead?
for proto in ('ipv4', 'ipv6'):
addrs = []
if proto in self.network['ifaces'][iface].keys():
if proto == 'ipv4':
addr = 'Address'
gwstring = 'Gateway'
elif proto == 'ipv6':
addr = 'Address6'
gwstring = 'Gateway6'
gw = self.network['ifaces'][iface][proto]['gw']
for ip in self.network['ifaces'][iface][proto]['addresses']:
if ip == 'auto':
continue
else:
try:
ipver = ipaddress.ip_network(ip, strict = False)
addrs.append(ip)
except ValueError:
exit('{0} was specified but is NOT a valid IPv4/IPv6 address!'.format(ip))
if iftype == 'static':
# Static addresses
netprofile += '{0}=(\'{1}\')\n'.format(addr, ('\' \'').join(addrs))
# Gateway
if gw:
netprofile += '{0}={1}\n'.format(gwstring, gw)
# DNS resolvers
if resolvers:
netprofile += 'DNS=(\'{0}\')\n'.format('\' \''.join(resolvers))
filename = '{0}/etc/netctl/{1}'.format(self.system['chrootpath'], ifacedev)
sysdfile = '{0}/etc/systemd/system/netctl@{1}.service'.format(self.system['chrootpath'], ifacedev)
# The good news is since it's a clean install, we only have to account for our own data, not pre-existing.
with open(filename, 'w') as f:
f.write('# Generated by AIF-NG.\n')
f.write(netprofile)
with open(sysdfile, 'w') as f:
f.write('# Generated by AIF-NG.\n')
f.write(('.include /usr/lib/systemd/system/netctl@.service\n\n[Unit]\n' +
'Description=A basic {0} ethernet connection\n' +
'BindsTo=sys-subsystem-net-devices-{1}.device\n' +
'After=sys-subsystem-net-devices-{1}.device\n').format(iftype, ifacedev))
os.symlink('/etc/systemd/system/netctl@{0}.service'.format(ifacedev),
'{0}/etc/systemd/system/multi-user.target.wants/netctl@{1}.service'.format(self.system['chrootpath'], ifacedev))
os.symlink('/usr/lib/systemd/system/netctl.service',
'{0}/etc/systemd/system/multi-user.target.wants/netctl.service'.format(self.system['chrootpath']))
# Root password
if self.users['root']['password']:
roothash = self.users['root']['password']
else:
roothash = '!'
with fileinput.input('{0}/etc/shadow'.format(self.system['chrootpath']), inplace = True) as f:
for line in f:
linelst = line.split(':')
if linelst[0] == 'root':
linelst[1] = roothash
print(':'.join(linelst), end = '')
# Add users
for user in self.users.keys():
# We already handled root user
if user != 'root':
cmd = ['useradd']
if self.users[user]['home']['create']:
cmd.append('-m')
if self.users[user]['home']['path']:
cmd.append('-d {0}'.format(self.users[user]['home']['path']))
if self.users[user]['comment']:
cmd.append('-c "{0}"'.format(self.users[user]['comment']))
if self.users[user]['gid']:
cmd.append('-g {0}'.format(self.users[user]['gid']))
if self.users[user]['uid']:
cmd.append('-u {0}'.format(self.users[user]['uid']))
if self.users[user]['password']:
cmd.append('-p "{0}"'.format(self.users[user]['password']))
cmd.append(user)
chrootcmds.append(cmd)
# Add groups
if self.users[user]['xgroup']:
for group in self.users[user]['xgroup'].keys():
gcmd = False
if self.users[user]['xgroup'][group]['create']:
gcmd = ['groupadd']
if self.users[user]['xgroup'][group]['gid']:
gcmd.append('-g {0}'.format(self.users[user]['xgroup'][group]['gid']))
gcmd.append(group)
chrootcmds.append(gcmd)
chrootcmds.append(['usermod', '-aG', '{0}'.format(','.join(self.users[user]['xgroup'].keys())), user])
# Handle sudo
if self.users[user]['sudo']:
os.makedirs('{0}/etc/sudoers.d'.format(self.system['chrootpath']), exist_ok = True)
os.chmod('{0}/etc/sudoers.d'.format(self.system['chrootpath']), 0o750)
with open('{0}/etc/sudoers.d/{1}'.format(self.system['chrootpath'], user), 'w') as f:
f.write('# Generated by AIF-NG.\nDefaults:{0} !lecture\n{0} ALL=(ALL) ALL\n'.format(user))
# Base configuration- initcpio, etc.
chrootcmds.append(['mkinitcpio', '-p', 'linux'])
return(chrootcmds)
def bootloader(self):
# Bootloader configuration
btldr = self.system['bootloader']['type']
bootcmds = []
chrootpath = self.system['chrootpath']
bttarget = self.system['bootloader']['target']
if btldr == 'grub':
bootcmds.append(['pacman', '--needed', '--noconfirm', '-S', 'grub', 'efibootmgr'])
bootcmds.append(['grub-install'])
if self.system['bootloader']['efi']:
bootcmds[1].extend(['--target=x86_64-efi', '--efi-directory={0}'.format(bttarget), '--bootloader-id=Arch'])
else:
bootcmds[1].extend(['--target=i386-pc', bttarget])
bootcmds.append(['grub-mkconfig', '-o', '{0}/grub/grub.cfg'.format(bttarget)])
elif btldr == 'systemd':
if self.system['bootloader']['target'] != '/boot':
shutil.copy2('{0}/boot/vmlinuz-linux'.format(chrootpath),
'{0}/{1}/vmlinuz-linux'.format(chrootpath, bttarget))
shutil.copy2('{0}/boot/initramfs-linux.img'.format(chrootpath),
'{0}/{1}/initramfs-linux.img'.format(chrootpath, bttarget))
with open('{0}/{1}/loader/loader.conf'.format(chrootpath, bttarget), 'w') as f:
f.write('# Generated by AIF-NG.\ndefault arch\ntimeout 4\neditor 0\n')
# Gorram, I wish there was a better way to get the partition UUID in stdlib.
majmindev = os.lstat('{0}/{1}'.format(chrootpath, bttarget)).st_dev
majdev = os.major(majmindev)
mindev = os.minor(majmindev)
btdev = os.path.basename(os.readlink('/sys/dev/block/{0}:{1}'.format(majdev, mindev)))
partuuid = False
for d in os.listdir('/dev/disk/by-uuid'):
linktarget = os.path.basename(os.readlink(d))
if linktarget == btdev:
partuuid = linktarget
break
if not partuuid:
exit('ERROR: Cannot determine PARTUUID for /dev/{0}.'.format(btdev))
with open('{0}/{1}/loader/entries/arch.conf'.format(chrootpath, bttarget)) as f:
f.write(('# Generated by AIF-NG.\ntitle\t\tArch Linux\nlinux /vmlinuz-linux\n') +
('initrd /initramfs-linux.img\noptions root=PARTUUID={0} rw\n').format(partuuid))
bootcmds.append(['bootctl', '--path={0}', 'install'])
# TODO: Add a bit here to alter EFI boot order so we boot right to the newly-installed env.
# should probably be optional.
return(bootcmds)

def scriptcmds(self, scripttype):
t = scripttype
if t in self.scripts.keys():
for i, s in enumerate(self.scripts[t]):
dirpath = '/root/scripts/{0}'.format(t)
os.makedirs(dirpath, exist_ok = True)
filepath = '{0}/{1}'.format(dirpath, i)
with open(filepath, 'w') as f:
f.write(s)
os.chmod(filepath, 0o700)
os.chown(filepath, 0, 0) # shouldn't be necessary, but just in case the umask's messed up or something.
if t in ('pre', 'pkg'):
# We want to run these right away.
with open(logfile, 'a') as log:
for i, s in enumerate(self.scripts[t]):
subprocess.call('/root/scripts/{0}/{1}'.format(t, i),
stdout = log,
stderr = subprocess.STDOUT)
return()

def pacmanSetup(self):
# This should be run outside the chroot.
conf = '{0}/etc/pacman.conf'.format(self.system['chrootpath'])
with open(conf, 'r') as f:
confdata = f.readlines()
# This... is not 100% sane, and we need to change it if the pacman.conf upstream changes order of the default repos.
# Here be dragons; you have been warned. TODO.
idx = confdata.index('#[testing]\n')
shutil.copy2(conf, '{0}.arch'.format(conf))
newconf = confdata[:idx]
newconf.append('# Modified by AIF-NG.\n')
for r in self.software['repos']:
if self.software['repos'][r]['mirror'].startswith('file://'):
mirror = 'Include = {0}'.format(re.sub('^file://', '', self.software['repos'][r]['mirror']))
else:
mirror = 'Server = {0}'.format(self.software['repos'][r]['mirror'])
newentry = ['[{0}]\n'.format(r), '{0}\n'.format(mirror)]
if self.software['repos'][r]['siglevel'] != 'default':
newentry.append('Siglevel = {0}\n'.format(self.software['repos'][r]['siglevel']))
if self.software['repos'][r]['enabled']:
pass # I know, shame on me. We want this because we explicitly want it to be set as True
else:
newentry = ["#" + i for i in newentry]
newentry.append('\n')
newconf.extend(newentry)
with open(conf, 'w') as f:
f.write(''.join(newconf))
if self.software['mirrors']:
mirrorlst = '{0}/etc/pacman.d/mirrorlist'.format(self.system['chrootpath'])
shutil.copy2(mirrorlst, '{0}.arch'.format(mirrorlst))
# TODO: file vs. server?
with open(mirrorlst, 'w') as f:
for m in self.software['mirrors']:
if m.startswith('file://'):
mirror = 'Include = {0}'.format(re.sub('^file://', '', m))
else:
mirror = 'Server = {0}'.format(m)
f.write('{0}\n'.format(mirror))
return()

def packagecmds(self):
pkgcmds = []
# This should be run in the chroot, unless we find a way to pacstrap
# packages separate from chrooting
if self.software['command']:
pkgr = shlex.split(self.software['command'])
else:
pkgr = ['pacman', '--needed', '--noconfirm', '-S']
if self.software['packages']:
for p in self.software['packages'].keys():
if self.software['packages'][p]['repo']:
pkgname = '{0}/{1}'.format(self.software['packages'][p]['repo'], p)
else:
pkgname = p
pkgr.append(pkgname)
pkgcmds.append(pkgr)
return(pkgcmds)

def serviceSetup(self):
# this runs inside the chroot
for s in self.system['services'].keys():
if not re.match('\.(service|socket|target|timer)$', s): # i don't bother with .path, .busname, etc.- i might in the future? TODO.
svcname = '{0}.service'.format(s)
service = '/usr/lib/systemd/system/{0}'.format(svcname)
sysdunit = '/etc/systemd/system/multi-user.target.wants/{0}'.format(svcname)
if self.system['services'][s]:
if not os.path.lexists(sysdunit):
os.symlink(service, sysdunit)
else:
if os.path.lexists(sysdunit):
os.remove(sysdunit)
return()

def chroot(self, chrootcmds = False, bootcmds = False, scriptcmds = False, pkgcmds = False):
if not chrootcmds:
chrootcmds = self.setup()
if not bootcmds:
bootcmds = self.bootloader()
if not scriptcmds:
scripts = self.scripts
if not pkgcmds:
pkgcmds = self.packagecmds()
# Switch in the log, and link.
os.rename(logfile, '{0}/{1}'.format(self.system['chrootpath'], logfile))
os.symlink('{0}/{1}'.format(self.system['chrootpath'], logfile), logfile)
self.pacmanSetup() # This needs to be done before the chroot
# We don't need this currently, but we might down the road.
#chrootscript = '#!/bin/bash\n# https://aif.square-r00t.net/\n\n'
#with open('{0}/root/aif.sh'.format(self.system['chrootpath']), 'w') as f:
# f.write(chrootscript)
#os.chmod('{0}/root/aif.sh'.format(self.system['chrootpath']), 0o700)
real_root = os.open("/", os.O_RDONLY)
os.chroot(self.system['chrootpath'])
# Does this even work with an os.chroot()? Let's hope so!
with open(logfile, 'a') as log:
for c in chrootcmds:
subprocess.call(c, stdout = log, stderr = subprocess.STDOUT)
if scripts['pkg']:
self.scriptcmds('pkg')
for i, s in enumerate(scripts['pkg']):
subprocess.call('/root/scripts/pkg/{0}'.format(i),
stdout = log,
stderr = subprocess.STDOUT)
for p in pkgcmds:
subprocess.call(p, stdout = log, stderr = subprocess.STDOUT)
for b in bootcmds:
subprocess.call(b, stdout = log, stderr = subprocess.STDOUT)
if scripts['post']:
self.scriptcmds('post')
for i, s in enumerate(scripts['post']):
subprocess.call('/root/scripts/post/{0}'.format(i),
stdout = log,
stderr = subprocess.STDOUT)
self.serviceSetup()
#os.system('{0}/root/aif-pre.sh'.format(self.system['chrootpath']))
#os.system('{0}/root/aif-post.sh'.format(self.system['chrootpath']))
os.fchdir(real_root)
os.chroot('.')
os.close(real_root)
if not os.path.isfile('{0}/sbin/init'.format(self.system['chrootpath'])):
os.symlink('../lib/systemd/systemd', '{0}/sbin/init'.format(self.system['chrootpath']))
return()
def unmount(self):
with open(logfile, 'a') as log:
subprocess.call(['umount', '-lR', self.system['chrootpath']], stdout = log, stderr = subprocess.STDOUT)
# We should also remove the (now dead) log symlink.
#Note that this does NOT delete the logfile on the installed system.
os.remove(logfile)
return()
def runInstall(confdict):
install = archInstall(confdict)
install.scriptcmds('pre')
install.format()
install.chroot()
install.unmount()
return()

def main():
if os.getuid() != 0:
exit('This must be run as root.')
conf = aif()
instconf = conf.buildDict()
if 'DEBUG' in os.environ.keys():
import pprint
with open(logfile, 'a') as log:
pprint.pprint(instconf, stream = log)
runInstall(instconf)
if instconf['system']['reboot']:
subprocess.run(['reboot'])

if __name__ == "__main__":
main()

7
docs/TODO
View File

@ -3,7 +3,8 @@
- config layout
-- need to apply defaults and annotate/document
--- is this necessary since i doc with asciidoctor now?
- how to support mdadm, lvm?
- how to support mdadm, lvm, LUKS FDE?
-- cryptsetup support- use new child type, "cryptPart", under storage/disk/ and new mount attrib, "isLUKS"?
- support serverside "autoconfig"- a mechanism to let servers automatically generate xml build configs. e.g.:
kernel ... aif_url="https://build.domain.tld/aif-ng.php" auto=yes
would yield the *client* sending info via URL params (actually, this might be better as a JSON POST, since we already have a way to generate JSON. sort of.),
@ -11,6 +12,7 @@
or something like that.
- parser: make sure to use https://mikeknoop.com/lxml-xxe-exploit/ fix
- convert use of confobj or whatever to maybe be suitable to use webFetch instead. LOTS of duplicated code there.
- support XInclude
- can i install packages the way pacstrap does, without a chroot? i still need to do it, unfortunately, for setting up efibootmgr etc. but..:
pacman -r /mnt/aif -Sy base --cachedir=/mnt/aif/var/cache/pacman/pkg --noconfirm
/dev/sda2 on /mnt/aif type ext4 (rw,relatime,data=ordered)
@ -28,10 +30,11 @@ DOCUMENTATION: aif-config.py (and note sample json as well)

for network configuration, add in support for using a device's MAC address instead of interface name

also create:
also:
-create boot media with bdisk since default arch doesn't even have python 3
-- this is.. sort of? done. but iPXE/mini build is failing, need to investigate why
-- i tihnk i fixed iPXE but i need to generate another one once 1.5 is released
-- PENDING BDISK REWRITE
docs:
http://lxml.de/parsing.html
https://www.w3.org/2001/XMLSchema.xsd

35
setup.py Normal file
View File

@ -0,0 +1,35 @@
import setuptools

with open('README', 'r') as fh:
long_description = fh.read()

setuptools.setup(
name = 'aif',
version = '0.2.0',
author = 'Brent S.',
author_email = 'bts@square-r00t.net',
description = 'Arch Installation Framework (Next Generation)',
long_description = long_description,
long_description_content_type = 'text/plain',
url = 'https://aif-ng.io',
packages = setuptools.find_packages(),
classifiers = ['Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.6',
'Programming Language :: Python :: 3.7',
'Programming Language :: Python :: 3.8',
'Programming Language :: Python :: 3.9',
'Programming Language :: Python :: 3 :: Only',
'Operating System :: POSIX :: Linux',
'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
'Intended Audience :: Developers',
'Intended Audience :: Information Technology',
'Topic :: Software Development :: Build Tools',
'Topic :: Software Development :: Testing',
'Topic :: System :: Installation/Setup',
'Topic :: System :: Recovery Tools'],
python_requires = '>=3.6',
project_urls = {'Documentation': 'https://aif-ng.io/',
'Source': 'https://git.square-r00t.net/AIF-NG/',
'Tracker': 'https://bugs.square-r00t.net/index.php?project=9'},
install_requires = ['gpg', 'requests', 'lxml', 'psutil', 'pyparted', 'pytz', 'passlib', 'validators']
)