beginnings of a conf generator
This commit is contained in:
brent s
parent
479c6e65bc
commit
bbb37c3c29
177
aif-config.py
Executable file
177
aif-config.py
Executable file
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#!/usr/bin/env python3
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try:
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from lxml import etree
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lxml_avail = True
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except ImportError:
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import xml.etree.ElementTree as etree # https://docs.python.org/3/library/xml.etree.elementtree.html
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lxml_avail = False
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import argparse
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import datetime
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import errno
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import ipaddress
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import os
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import pydoc # a dirty hack we use for pagination
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import re
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import shlex
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import socket
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import sys
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import urllib.request as urlrequest
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import urllib.parse as urlparse
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import urllib.response as urlresponse
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from ftplib import FTP_TLS
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xsd = 'https://aif.square-r00t.net/aif.xsd'
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class aifgen(object):
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def __init__(self, args):
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self.args = args
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def getXSD(self):
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pass
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def getXML(self):
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pass
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def getOpts(self):
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def chkPrompt(prompt, urls):
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txtin = None
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txtin = input(prompt)
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if txtin in ('wikihelp', ''):
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print('\n Articles/pages that you may find helpful for this option are:')
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for h in urls:
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print(' * {0}'.format(h))
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print()
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txtin = input(prompt)
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else:
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return(txtin)
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conf = {}
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print('[{0}] Beginning configuration...'.format(datetime.datetime.now()))
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print('You may reply with \'wikihelp\' for the relevant link(s) in the Arch wiki ' +
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'(and other resources).\n')
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# https://aif.square-r00t.net/#code_disk_code
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diskhelp = ['https://wiki.archlinux.org/index.php/installation_guide#Partition_the_disks']
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diskin = chkPrompt('\nWhat disk(s) would you like to be configured on the target system?\n' +
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'If you have multiple disks, separate with a comma (e.g. \'/dev/sda,/dev/sdb\').\n', diskhelp)
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conf['disks'] = {}
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for d in diskin.split(','):
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disk = d.strip()
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if not re.match('^/dev/[A-Za-z0]+', disk):
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exit('!! ERROR: Disk {0} does not seem to be a valid device path.'.format(disk))
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conf['disks'][disk] = {}
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print('\nConfiguring disk {0} ...'.format(disk))
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fmtin = chkPrompt('* What format should this disk use (gpt/bios)? ', diskhelp)
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fmt = fmtin.lower()
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if fmt not in ('gpt', 'bios'):
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exit(' !! ERROR: Must be one of \'gpt\' or \'bios\'.')
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conf['disks'][disk]['fmt'] = fmt
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if fmt == 'gpt':
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maxpart = '256'
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else:
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maxpart = '4'
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partnumsin = chkPrompt('* How many partitions should this disk have? (Maximum: {0}) '.format(maxpart), diskhelp)
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if not isinstance(partnumsin, int):
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exit(' !! ERROR: Must be an integer.')
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if partnumsin < 1:
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exit(' !! ERROR: Must be a positive integer.')
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if partnumsin > int(maxpart):
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exit(' !! ERROR: Must be less than {0}'.format(maxpart))
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parthelp = diskhelp + ['https://wiki.archlinux.org/index.php/installation_guide#Format_the_partitions',
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'https://aif.square-r00t.net/#code_part_code',
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'https://aif.square-r00t.net/#fstypes']
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for partn in range(1, partnumsin + 1):
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startsize = chkPrompt(('** Where should partition {0} start? Can be percentage [n%] ' +
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'or size [(+/-)n(K/M/G/T/P)]: ').format(partn), parthelp)
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startn = re.sub('[%\-+KMGTP])', '', startsize)
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if int(startn) not in range(0, 100):
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exit()
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# https://aif.square-r00t.net/#code_part_code
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parthelp.append('https://aif.square-r00t.net/#code_part_code')
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def validateXML(self):
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pass
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def main(self):
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if self.args['oper'] == 'create':
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self.getOpts()
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if self.args['oper'] in ('create', 'view'):
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self.validateXML()
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def parseArgs():
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args = argparse.ArgumentParser(description = 'AIF-NG Configuration Generator',
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epilog = 'TIP: this program has context-specific help. e.g. try "%(prog)s create --help"')
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commonargs = argparse.ArgumentParser(add_help = False)
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commonargs.add_argument('-f',
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'--file',
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dest = 'cfgfile',
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help = 'The file to create/validate/view. If not specified, defaults to ./aif.xml',
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default = '{0}/aif.xml'.format(os.getcwd()))
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subparsers = args.add_subparsers(help = 'Operation to perform',
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dest = 'oper')
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createargs = subparsers.add_parser('create',
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help = 'Create an AIF-NG XML configuration file.',
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parents = [commonargs])
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validateargs = subparsers.add_parser('validate',
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help = 'Validate an AIF-NG XML configuration file.',
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parents = [commonargs])
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viewargs = subparsers.add_parser('view',
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help = 'View an AIF-NG XML configuration file.',
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parents = [commonargs])
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return(args)
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def verifyArgs(args):
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args['cfgfile'] = os.path.normpath(os.path.abspath(os.path.expanduser(args['cfgfile'])))
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args['cfgfile'] = re.sub('^/+', '/', args['cfgfile'])
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# Path/file handling - make sure we can create the parent dir if it doesn't exist,
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# check that we can write to the file, etc.
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if args['oper'] == 'create':
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args['cfgbak'] = '{0}.bak.{1}'.format(args['cfgfile'], int(datetime.datetime.utcnow().timestamp()))
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try:
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temp = True
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#mtime = None
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#atime = None
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if os.path.lexists(args['cfgfile']):
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temp = False
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#mtime = os.stat(args['cfgfile']).st_mtime
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#atime = os.stat(args['cfgfile']).st_atime
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os.makedirs(os.path.dirname(args['cfgfile']), exist_ok = True)
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with open(args['cfgfile'], 'a') as f:
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f.write('')
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if temp:
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os.remove(args['cfgfile'])
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#else:
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# WE WERE NEVER HERE.
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# I lied; ctime will still be modified, but I think this is playing it safely enough.
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# Turns out, though, f.write('') does no modifications but WILL throw the perm error we want.
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# Good.
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#os.utime(args['cfgfile'], times = (atime, mtime))
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except OSError as e:
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print('\nERROR: {0}: {1}'.format(e.strerror, e.filename))
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exit(('\nWe encountered an error when trying to use path {0}.\n' +
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'Please review the output and address any issues present.').format(args['cfgfile']))
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elif args['oper'] == 'view':
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try:
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with open(args['cfgfile'], 'r') as f:
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f.read()
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except OSError as e:
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print('\nERROR: {0}: {1}'.format(e.strerror, e.filename))
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exit(('\nWe encountered an error when trying to use path {0}.\n' +
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'Please review the output and address any issues present.').format(args['cfgfile']))
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return(args)
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def main():
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args = vars(parseArgs().parse_args())
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if not args['oper']:
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parseArgs().print_help()
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else:
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# verifyArgs(args)
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aif = aifgen(verifyArgs(args))
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if args['oper'] == 'create':
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aif.getOpts()
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import pprint # DEBUGGING
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print(args) # DEBUGGING
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if __name__ == '__main__':
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main()
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