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776 lines
29 KiB
776 lines
29 KiB
#-*- coding: utf-8 -*-
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from os.path import exists as pathexists
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from os.path import dirname as pathdirname
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from os.path import join as pathjoin
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from random import choice
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import string
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import os
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import types
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from time import sleep
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import re
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import sys
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from cl_utils import runOsCommand,isMount,removeDir,typeFile
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from shutil import copyfile
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from cl_template import _terms
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class DistributiveError(Exception):
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"""Error for distributive operations"""
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pass
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class DistributiveRepository:
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system = {
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'cds':'server',
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'cld':'desktop',
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'cldg':'desktop',
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'cldx':'desktop',
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'cls':'desktop',
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'css':'server'
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}
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marches = ['i686','x86_64']
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extensiton = ['iso','tar.bz2','tar.gz','tar.7z','tar.lzma']
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reDistName = re.compile("""
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^.*/(?P<name>%(name)s)
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-(?P<ver>%(ver)s)
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-(?P<march>%(march)s)
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.(?P<ext>%(ext)s)$""" %
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{'name':"|".join(system.keys()),
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'ver':r"(\d+\.)*\d+",
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'march':"|".join(marches),
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'ext':"|".join(extensiton)
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}, re.X)
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def __init__(self,directories=[]):
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self.dirs = directories
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def _getAvailableDistributives(self,system=None,shortname=None,march=None,
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version=None):
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"""Get all distributives by filter"""
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def distfilter(dist):
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match = self.reDistName.match(dist)
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if not match:
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return False
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d = match.groupdict()
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# check filter conditions
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if system and self.system(d['name']) != system or \
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shortname and d['name'] != shortname or \
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march and d['march'] != march or \
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version and d['ver'] != version:
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return False
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else:
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return True
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# get lists files in directories
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allFiles = map(lambda x: map(lambda y: pathjoin(x,y),
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os.listdir(x)),
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# discard not exists distrib directories
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filter(lambda x: os.access(x,os.R_OK),
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self.dirs))
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# filter distributives
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return filter(distfilter,
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# join files lists to one list
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reduce(lambda x,y: x + y,
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allFiles, []))
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def getDistributiveByFile(self,filename):
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"""Get Distributive object by filename"""
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# MAGIC_COMPRESS 0x000004 Check inside compressed files
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tf = typeFile(magic=0x4)
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ftype = tf.getMType(filename)
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if "ISO 9660 CD-ROM" in ftype:
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return IsoDistributive(filename)
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elif "7-zip" in ftype or \
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"POSIX tar archive" in ftype:
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return ArchiveDistributive(filename)
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elif "Squashfs filesystem" in ftype:
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return SquashDistributive(filename)
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else:
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raise DistributiveError("Wrong distributive '%s':\n%s"%
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(filename,ftype))
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def getBestDistributive(self,system=None,shortname=None,march=None,
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version=None):
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"""Get the actualest distributive"""
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availDistrs = self._getAvailableDistributives(system,shortname,
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march,version)
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# TODO: improve selecting best distributive
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if availDistrs:
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term = _terms()
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bestDistr = availDistrs[0]
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bestDict = self.reDistName.match(bestDistr).groupdict()
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for dist in availDistrs[1:]:
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match = self.reDistName.match(dist)
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d = match.groupdict()
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v1,v2 = term._convertVers(d['ver'],bestDict['ver'])
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if v1 > v2 or \
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bestDict['ext'] != 'iso' and d['ext'] == 'iso':
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bestDistr = dist
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bestDict = d
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return bestDistr
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else:
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return None
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class Distributive(object):
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"""Distributive object. Parent object for all distributive."""
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mountError = "Cann't mount %s:\n%s"
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def __init__(self, parent=None):
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self.childs = []
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# if specified parent
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if parent:
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# save parent type for correct resource release
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self.parent = type(parent)
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# append this object as child to specified parent
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parent.childs.append(self)
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else:
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self.parent = None
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def detach(self):
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"""Detach child distributive from parent.
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At example: ArchiveDistributive create child DirectoryDistributive by
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unpacking to temporary directory and at close method remove it. If the
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removing directroy do not need, then need call detach in
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DirectoryDistributive object
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dist1 = ArchiveDistributive(file="/os.tar.bz2",mdirectory="/tmp/test")
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dist2 = dist1.convertToDirectory()
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dist2.detach()
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dist1.close()
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...
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"""
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self.parent = None
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def close(self):
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"""Release all child distributive and release himself.
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Need call this method at end work with object for right releasing
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resources.
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Example:
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dist1 = PartitionDistributive(partition="/dev/sda2")
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dist2 = dist1.convertToDirectory()
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dist1.close()
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"""
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# close all child
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if self.childs:
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for child in self.childs:
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# check detach
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if child.parent:
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child.close()
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self.childs = []
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# if has parent
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if self.parent:
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self.parent(None).releaseChild(self)
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self.parent = None
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def releaseChild(self,child):
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"""Method of release child state of distributive
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At example: PartitionDistributive may be DirectoryDistributive by
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mounting it to directory. But at end this directory must be
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unmounted."""
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pass
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def convertToDirectory(self):
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"""Default c raise error about impossible convert object"""
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raise DistributiveError("Cann't convert '%s' to '%s'" %
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(self.__class__.__name__,
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"DirectoryDistributive"))
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# def __del__(self):
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# """Uncomment this method for automaticaly release all distributive
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# instance"""
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# self.close()
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def runOsCommand(self, *argv, **kwarg):
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res,mes = runOsCommand(*argv,**kwarg)
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if type(mes) == types.ListType:
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mes = "\n".join(map(lambda x: x.strip(), mes))
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return res,mes
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def getDirectory(self):
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return self.convertToDirectory().directory
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def _makeDirectory(self,path):
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"""Make directory and parent.
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If directory exists then return False else True"""
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try:
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parent = os.path.split(path)[0]
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if not pathexists(parent):
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self._makeDirectory(parent)
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else:
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if pathexists(path):
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return False
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os.mkdir(path)
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return True
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except (Exception,KeyboardInterrupt),e:
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raise DistributiveError("Cann't create directory '%s':\n%s"%
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(path,str(e)))
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def _removeDirectory(self,directory):
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"""Remove directory and files contained in it"""
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#print "removeDirectory:",directory
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try:
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removeDir(directory)
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except (Exception,KeyboardInterrupt),e:
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raise DistributiveError("Unable remove directory from '%s':\n%s"
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%(directory,str(e)))
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def _copyfile(self,infile,outfile):
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try:
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copyfile(infile,outfile)
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except (Exception,KeyboardInterrupt),e:
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raise DistributiveError("Cann't copy '%s' to '%s':\n%s"%
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(infile,outfile,str(e)))
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def copy(self,fromdir,todir):
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"""Copy files from 'fromdir' directory to 'todir' directory"""
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res,errmes = self.runOsCommand("rsync -a -x %s/ %s/" % (fromdir,todir))
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if res == 0:
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return True
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else:
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raise DistributiveError("Cann't copy file from '%s' to '%s':\n%s"%
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(fromdir,todir,errmes))
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def formatPartition(self,format=""):
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pass
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def rndString(self):
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"""Get random string with len 8 char"""
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return "".join([choice(string.ascii_letters+string.digits)
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for i in xrange(0,8)])
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def _mountToDirectory(self,file,directory,mountopts=""):
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"""Mount squashfs to directory"""
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if isMount(directory):
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raise DistributiveError("Cann't mount to directory:\n"+
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"Directory already mounted")
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res,errmes = self.runOsCommand("/bin/mount %s %s %s"%
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(mountopts,file,directory))
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if res == 0:
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return True
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else:
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try:
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self._removeDirectory(directory)
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except:
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pass
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raise DistributiveError(self.mountError%(file,errmes))
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def _umountDirectory(self,directory):
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"""Umount directory"""
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if isMount(directory):
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for wait in [0,0.5,2,5]:
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sleep(wait)
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res,errmes = self.runOsCommand("/bin/umount %s"%directory)
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if res == 0:
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return True
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raise DistributiveError("Cann't umount %s:\n%s"%
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(directory,errmes))
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else:
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return True
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def _getMntDirectory(self,directory):
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"""Get directory name, which will use for mounting or unpacking
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If queried name is not free then to name append random string
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"""
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newDirectoryName = directory
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while pathexists(newDirectoryName):
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newDirectoryName = "%s.%s"%(directory,self.rndString())
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return newDirectoryName
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class DirectoryDistributive(Distributive):
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def __init__(self,directory,parent=None):
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Distributive.__init__(self,parent=parent)
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self.directory = directory
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if not parent:
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self._makeDirectory(self.directory)
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def convertToDirectory(self):
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return self
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def installFrom(self, source):
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"""Install distributive to directory from source distributive"""
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if isinstance(source,ArchiveDistributive):
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source.unpackTo(self.directory)
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else:
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# get source distributive as directory distributive
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dFrom = source.convertToDirectory()
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# copy distributive from source to this
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self.copy(dFrom.directory,self.directory)
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class PartitionDistributive(Distributive):
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# TODO: need node value for ext2 ext3
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formatUtilities = { 'ext2':'/sbin/mkfs.ext2 %s',
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'ext3':'/sbin/mkfs.ext3 %s',
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'ext4':'/sbin/mkfs.ext4 %s',
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'jfs':'/sbin/mkfs.jfs -f %s',
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'reiserfs':'/sbin/mkfs.reiserfs -f %s',
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'xfs':'/sbin/mkfs.xfs -f %s',
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'vfat':'/sbin/mkfs.vfat -F 32 %s',
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}
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formatId = { 'ext2' : '83',
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'ext3' : '83',
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'ext4' : '83',
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'reiserfs' : '83',
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'jfs' : '83',
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'xfs' : '83',
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'vfat' : 'b',
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}
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def __init__(self,partition,parent=None,mdirectory="/mnt/calculate",
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check=False,multipartition=None):
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"""Initialize partition distributive
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mdirectory - directory for mount
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check - check partition name and raise DistributiveError if partition
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has bad name
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"""
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Distributive.__init__(self,parent=parent)
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self.partition = partition
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self.mdirectory = mdirectory
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def _mountPartition(self,partition,directory):
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"""Mount partition to directory"""
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self._makeDirectory(directory)
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self._mountToDirectory(partition,directory)
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def _umountPartition(self,directory):
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"""Umount partition and remove directory"""
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self._umountDirectory(directory)
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self._removeDirectory(directory)
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def releaseChild(self,child):
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"""Umount child Directory distributive"""
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# TODO: need multipartition unmounting
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if isinstance(child,DirectoryDistributive):
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self._umountPartition(child.directory)
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child.directory = None
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def convertToDirectory(self):
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"""Convert partition to directory by mounting"""
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# TODO: need multipartition mounting
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mdirectory = self.mdirectory
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for child in self.childs:
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if isinstance(child,DirectoryDistributive) and \
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mdirectory in child.directory:
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return child
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mdirectory = self._getMntDirectory(mdirectory)
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self._mountPartition(self.partition,mdirectory)
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return DirectoryDistributive(mdirectory,parent=self)
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def formatPartition(self,format="reiserfs"):
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"""Format partition"""
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if not format in self.formatUtilities:
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raise DistributiveError(
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"Specified '%s' format inn't supported" % format)
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if isMount(self.partition):
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raise DistributiveError(
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"Cann't format partition %s, because it is mounted" %
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self.partition)
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if not os.access(self.partition,os.W_OK):
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raise DistributiveError("Cann't format partition %s:\n%s"%
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(self.partition,_("Permission denied")))
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# TODO: need multipartition formating ????
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res,errmes = self.runOsCommand(self.formatUtilities[format] %
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self.partition)
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if res == 0:
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return True
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else:
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raise DistributiveError("Cann't format partition %s:\n%s"%
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(self.partition,errmes))
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def installFrom(self, source):
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"""Install distributive to partition from source distributive"""
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# get currect partition as directory
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distrTo = self.convertToDirectory()
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# install into directroy distributive from source
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distrTo.installFrom(source)
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class ArchiveDistributive(Distributive):
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def __init__(self,file,parent=None,mdirectory="/var/calculate/tmp/stage"):
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Distributive.__init__(self,parent=parent)
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self.file = file
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self.mdirectory = mdirectory
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def _detectArchive(self,file):
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"""Detect archive by "/usr/bin/file" command
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Return bzip2,gzip,7z or None
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"""
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res,mes = self.runOsCommand("/usr/bin/file %s"%file)
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if "bzip2 compressed data" in mes:
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return "bzip2"
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elif "gzip compressed data" in mes:
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return "gzip"
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elif "7-zip archive data" in mes:
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return "7z"
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else:
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return None
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def _unpackArchive(self,archfile,directory):
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"""Unpack archive"""
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# archive is exists
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if not pathexists(archfile):
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raise DistributiveError("File '%s' not found"%archfile)
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# detect type archive
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archiveType = self._detectArchive(archfile)
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# make directory if archive was detected normally
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if archiveType:
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self._makeDirectory(directory)
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# unpack archive
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if archiveType == "7z":
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res,mes = self.runOsCommand("7za x -so %s | tar xf - -C %s/"%
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(archfile,directory))
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elif archiveType == "bzip2":
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res,mes = self.runOsCommand("tar xjf %s -C %s/"%
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(archfile,directory))
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elif archiveType == "gzip":
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res,mes = self.runOsCommand("tar xf %s -C %s/"%
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(archfile,directory))
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else:
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raise DistributiveError("Unknown archive type by '%s'"%file)
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if res != 0:
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raise DistributiveError("Error during unpacking\n%s"%mes)
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def unpackTo(self,directory):
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"""Unpack currect archive to directory"""
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self._unpackArchive(self.file,directory)
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def convertToDirectory(self):
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"""Get archive as directory (unpack to directory)"""
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# check may be the archive already unpacked
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mdirectory = self.mdirectory
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for child in self.childs:
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if isinstance(child,DirectoryDistributive) and \
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mdirectory in child.directory:
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return child
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# get temporary directory for unpacking
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mdirectory = self._getMntDirectory(mdirectory)
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dirdist = DirectoryDistributive(mdirectory,parent=self)
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self._unpackArchive(self.file,mdirectory)
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return dirdist
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def releaseChild(self,child):
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"""Remove child Directory distributive"""
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if isinstance(child,DirectoryDistributive):
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self._removeDirectory(child.directory)
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child.directory = None
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def packToArchive(self,directory,file):
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res,errmes = self.runOsCommand("tar cf %s -C %s ."%(file,directory))
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if res != 0:
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raise DistributiveError("Cann't create archive '%s':\n%s"%
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(file,errmes))
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def installFrom(self, source):
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"""Install distributive to partition from source distributive"""
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# get source distributive as directory distributive
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dFrom = source.convertToDirectory()
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# install into directroy distributive from source
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self.packToArchive(dFrom.directory, self.file)
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class SquashDistributive(Distributive):
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def __init__(self,file,parent=None,mdirectory="/mnt/livecd"):
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Distributive.__init__(self,parent=parent)
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self.file = file
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self.mdirectory = mdirectory
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def _mountSquash(self,file,directory):
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"""Mount squashfs to directory"""
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self._makeDirectory(directory)
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self._mountToDirectory(file,directory,mountopts="-o loop -t squashfs")
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def _umountSquash(self,directory):
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self._umountDirectory(directory)
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self._removeDirectory(directory)
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def convertToDirectory(self):
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mdirectory = self.mdirectory
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for child in self.childs:
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if isinstance(child,DirectoryDistributive) and \
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mdirectory in child.directory:
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return child
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mdirectory = self._getMntDirectory(mdirectory)
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self._mountSquash(self.file,mdirectory)
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return DirectoryDistributive(mdirectory,parent=self)
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def releaseChild(self,child):
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"""Umount child Directory distributive"""
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if isinstance(child,DirectoryDistributive):
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self._umountSquash(child.directory)
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child.directory = None
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def packToSquash(self,directory,file):
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res,errmes = self.runOsCommand("/usr/bin/mksquashfs %s/ %s"%
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(directory,file))
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if res != 0:
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raise DistributiveError("Cann't create squashfs '%s':\n%s"%
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(file,errmes))
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def installFrom(self, source):
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"""Install distributive to partition from source distributive"""
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# get source distributive as directory distributive
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dFrom = source.convertToDirectory()
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# install into directroy distributive from source
|
|
self.packToSquash(dFrom.directory, self.file)
|
|
|
|
class IsoDistributive(Distributive):
|
|
reLive = re.compile(r"^live[^.]*(\.(\d+))?\.squashfs$",re.S)
|
|
|
|
def __init__(self,file,parent=None,mdirectory="/mnt/cdrom",
|
|
bdirectory="/var/calculate/tmp/iso"):
|
|
Distributive.__init__(self,parent=parent)
|
|
self.file = file
|
|
self.mdirectory = mdirectory
|
|
self.bdirectory = bdirectory
|
|
|
|
def _mountIso(self,file,directory):
|
|
self._makeDirectory(directory)
|
|
self._mountToDirectory(file,directory,mountopts="-o loop")
|
|
|
|
def _umountIso(self,directory):
|
|
self._umountDirectory(directory)
|
|
self._removeDirectory(directory)
|
|
|
|
def _getLastLive(self,directory):
|
|
curfile = None
|
|
curnum = -1
|
|
for file in os.listdir(directory):
|
|
res = self.reLive.search(file)
|
|
if res:
|
|
if res.groups()[1]:
|
|
num = int(res.groups()[1])
|
|
else:
|
|
num = 0
|
|
if num > curnum:
|
|
curfile = file
|
|
curnum = num
|
|
return curfile
|
|
|
|
def convertToSquash(self):
|
|
mdirectory = self.mdirectory
|
|
for child in self.childs:
|
|
if isinstance(child,SquashDistributive) and \
|
|
mdirectory in child.file:
|
|
return child
|
|
mdirectory = self._getMntDirectory(mdirectory)
|
|
self._mountIso(self.file,mdirectory)
|
|
fileLive = self._getLastLive(mdirectory)
|
|
if not fileLive:
|
|
raise DistributiveError("Iso %s doesn't contain live image" %
|
|
self.file)
|
|
return SquashDistributive(pathjoin(mdirectory,fileLive),
|
|
parent=self)
|
|
|
|
def releaseChild(self,child):
|
|
"""Umount child Directory distributive"""
|
|
if isinstance(child,SquashDistributive):
|
|
self._umountIso(pathdirname(child.file))
|
|
child.directory = None
|
|
|
|
def convertToDirectory(self):
|
|
return self.convertToSquash().convertToDirectory()
|
|
|
|
def prepareIso(self,directory):
|
|
print("apply iso templates to %s/"%directory)
|
|
self._makeDirectory(pathjoin(directory,"isolinux"))
|
|
self._copyfile("/usr/share/syslinux/isolinux.bin",
|
|
pathjoin(directory,"isolinux/isolinux.bin"))
|
|
|
|
def packToIso(self,directory,file):
|
|
# remove previous version of iso
|
|
try:
|
|
if pathexists(file):
|
|
os.unlink(file)
|
|
except (Exception,KeyboardInterrupt),e:
|
|
raise DistributiveError("Cann't remove %s:\n%s"%(file,str(e)))
|
|
|
|
res,errmes = self.runOsCommand(
|
|
"%(progname)s %(params)s -o %(target)s %(source)s/"%
|
|
{'progname':'/usr/bin/mkisofs',
|
|
'params':" ".join(["-b isolinux/isolinux.bin","-no-emul-boot",
|
|
"-boot-load-size 4","-boot-info-table","-iso-level 4",
|
|
"-hide boot.catalog"]),
|
|
'target':file,
|
|
'source':directory})
|
|
if res == 0:
|
|
return True
|
|
else:
|
|
raise DistributiveError("Cann't create iso image %s:\n%s"%
|
|
(file,errmes))
|
|
|
|
def installFrom(self, source):
|
|
"""Install distributive to partition from source distributive"""
|
|
# make temporary directory for creating iso image
|
|
isoDirectory = self.bdirectory
|
|
isoDirectory = self._getMntDirectory(isoDirectory)
|
|
self._makeDirectory(isoDirectory)
|
|
|
|
try:
|
|
# getting squash from source
|
|
if isinstance(source,SquashDistributive):
|
|
self._copyfile(source.file,
|
|
pathjoin(isoDirectory,"livecd.squashfs"))
|
|
else:
|
|
distDirectory = source.convertToDirectory()
|
|
squashDistr = SquashDistributive(
|
|
pathjoin(isoDirectory,"livecd.squashfs"))
|
|
squashDistr.installFrom(distDirectory)
|
|
|
|
# prepare iso
|
|
self.prepareIso(directory)
|
|
# pack iso
|
|
self.packToIso(isoDirectory, self.file)
|
|
# remove temporary directory after creating iso image
|
|
self._removeDirectory(isoDirectory)
|
|
except DistributiveError,e:
|
|
self._removeDirectory(isoDirectory)
|
|
raise e
|
|
except KeyboardInterrupt,e:
|
|
self._removeDirectory(isoDirectory)
|
|
raise DistributiveError("Keyboard interrupt")
|
|
|
|
class ScratchDistributive(Distributive):
|
|
def __init__(self,directory,parent=None,mdirectory="/mnt/install",
|
|
check=False):
|
|
Distributive.__init__(self,parent=parent)
|
|
self.directory = directory
|
|
self.mdirectory = mdirectory
|
|
if check and not (pathexists(pathjoin(directory,"workspace")) and \
|
|
pathexists(pathjoin(directory,"delta")) and \
|
|
pathexists(pathjoin(directory,"calculate"))):
|
|
raise DistributiveError(
|
|
"Wrong scratch distributive in '%s'"%directory)
|
|
|
|
def _mountLayers(self,source,target):
|
|
"""Mount squashfs to directory"""
|
|
self._makeDirectory(target)
|
|
self._mountToDirectory("none",target,
|
|
mountopts="-t aufs "+\
|
|
"-o udba=relval,br:%(work)s=rw:%(delta)s=ro+wh:%(static)s=ro" %\
|
|
{"work":pathjoin(source,"workspace"),
|
|
"delta":pathjoin(source,"delta"),
|
|
"static":pathjoin(source,"calculate")})
|
|
|
|
def _umountLayers(self,directory):
|
|
self._umountDirectory(directory)
|
|
self._removeDirectory(directory)
|
|
|
|
def convertToDirectory(self):
|
|
mdirectory = self.mdirectory
|
|
for child in self.childs:
|
|
if isinstance(child,DirectoryDistributive) and \
|
|
kdirectory in child.directory:
|
|
return child
|
|
mdirectory = self._getMntDirectory(mdirectory)
|
|
self._mountLiveImage(self.file,pathjoin(directory,calculate))
|
|
self._mountLayers(self.file,mdirectory)
|
|
return DirectoryDistributive(mdirectory,parent=self)
|
|
|
|
def releaseChild(self,child):
|
|
"""Umount child Directory distributive"""
|
|
if isinstance(child,DirectoryDistributive):
|
|
self._umountLayers(child.directory)
|
|
#self._umountLiveImage(
|
|
child.directory = None
|
|
|
|
def installFrom(self, source):
|
|
"""Install distributive to partition from source distributive"""
|
|
# get source distributive as directory distributive
|
|
dFrom = source.convertToDirectory()
|
|
# install into directroy distributive from source
|
|
self.packToSquash(dFrom.directory, self.file)
|
|
|
|
class ScratchPartitionDistributive(PartitionDistributive):
|
|
reRightPartition = re.compile(r"^/dev/(sd[a-z]\d+|cciss/c\d+d\d+)$")
|
|
|
|
def __init__(self,partition,parent=None,mdirectory="/mnt/scratch",
|
|
check=False,multipartition=None):
|
|
"""Initialize partition distributive
|
|
|
|
mdirectory - directory for mount
|
|
check - check partition name and raise DistributiveError if partition
|
|
has bad name
|
|
"""
|
|
Distributive.__init__(self,parent=parent)
|
|
self.partition = partition
|
|
self.mdirectory = mdirectory
|
|
if check and not partition is None and \
|
|
(not self.reRightPartition.match(partition) or \
|
|
not pathexists(partition)):
|
|
raise DistributiveError("Wrong partition name '%s'"%partition)
|
|
|
|
def _mountPartition(self,partition,directory):
|
|
"""Mount partition to directory"""
|
|
self._makeDirectory(directory)
|
|
self._mountToDirectory(partition,directory)
|
|
|
|
def _umountPartition(self,directory):
|
|
"""Umount partition and remove directory"""
|
|
self._umountDirectory(directory)
|
|
self._removeDirectory(directory)
|
|
|
|
def releaseChild(self,child):
|
|
"""Umount child Directory distributive"""
|
|
if isinstance(child,ScratchDistributive):
|
|
self._umountPartition(child.directory)
|
|
child.directory = None
|
|
|
|
return None
|
|
|
|
def formatPartition(self,format="reiserfs"):
|
|
res,errmes = self.runOsCommand("/sbin/mkfs.reiserfs -f %s" % self.partition)
|
|
if res == 0:
|
|
return True
|
|
else:
|
|
raise DistributiveError("Cann't format partition %s:\n%s"%
|
|
(self.partition,errmes))
|
|
|
|
def convertToDirectory(self):
|
|
return self.convertToScratch().convertToDirectory()
|
|
|
|
def convertToScratch(self):
|
|
mdirectory = self.mdirectory
|
|
for child in self.childs:
|
|
if isinstance(child,DirectoryDistributive) and \
|
|
mdirectory in child.directory:
|
|
return child
|
|
mdirectory = self._getMntDirectory(mdirectory)
|
|
self._mountPartition(self.partition,mdirectory)
|
|
return ScratchDistributive(mdirectory,parent=self)
|
|
|
|
def prepareScratch(self,directory):
|
|
for scrDirectory in ["calculate","delta","workspace"]:
|
|
self._makeDirectory(pathjoin(directory,scrDirectory))
|
|
|
|
def installFrom(self, source):
|
|
"""Install distributive to partition from source distributive"""
|
|
# get currect partition as directory
|
|
distrTo = self.mountToDirectory()
|
|
scratchDirectory = distrTo().directory
|
|
|
|
try:
|
|
# getting squash from source
|
|
if isinstance(source,SquashDistributive):
|
|
self._copyfile(source.file,
|
|
pathjoin(scratchDirectory,"livecd.squashfs"))
|
|
else:
|
|
distDirectory = source.convertToDirectory()
|
|
squashDistr = SquashDistributive(
|
|
pathjoin(scratchDirectory,"livecd.squashfs"))
|
|
squashDistr.installFrom(distDirectory)
|
|
|
|
# prepare scratch
|
|
self.prepareScratch(directory)
|
|
except DistributiveError,e:
|
|
self._removeDirectory(scratchDirectory)
|
|
raise e
|
|
except KeyboardInterrupt,e:
|
|
self._removeDirectory(scratchDirectory)
|
|
raise DistributiveError("Keyboard interrupt")
|