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399 lines
16 KiB
399 lines
16 KiB
#-*- coding: utf-8 -*-
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# Copyright 2008-2012 Calculate Ltd. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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from os import path
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import re
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import operator
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from calculate.lib.cl_datavars import Variables,VariableError
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from calculate.lib.utils.common import getSupportArch,getTupleVersion
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from calculate.lib.utils.files import readLinesFile, listDirectory
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from calculate.lib.variables import Linux
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from calculate.install.cl_distr import Distributive
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from calculate.lib.cl_lang import setLocalTranslate
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setLocalTranslate('cl_install',sys.modules[__name__])
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class Distro(Variables):
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vars = ["cl_image","cl_image_path","cl_image_arch_machine",
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"cl_image_linux_shortname","cl_image_linux_ver",
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"cl_image_linux_build","cl_image_filename"]
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# system image for installation
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cl_image = {}
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cl_image_filename = {'mode':'w',
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'type':'string',
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'opt':['--iso'],
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'label':_("Installation image"),
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'help':_("ISO image for installation")}
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# filter by architecture
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cl_image_arch_machine = {'mode':'w',
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'type':'choice',
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'opt':['--march'],
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'label':_("Preferred processor architecture"),
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'help':_("select the processor architecture")}
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# filter by shortname
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cl_image_linux_shortname = {'mode':'w',
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'type':'choice',
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'opt':['--os','-s'],
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'label':_("Distributive"),
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'help':_("select the operation system")}
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# filter by version
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cl_image_linux_ver = {'mode':'w',
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'type':'string',
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'label':_("Version"),
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'value':"",
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'help':_("select the operation system by version")}
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# filter by build
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cl_image_linux_build = {'mode':'w',
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'type':'string',
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'label':_("Build"),
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'value':"",
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'help':_("select the operation system by build")}
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# path which contains images
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cl_image_path = {'type':'list'}
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def get_cl_image_arch_machine(self):
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return self.Get('os_arch_machine')
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def choice_cl_image_arch_machine(self):
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return self.marches + ["auto"]
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def set_cl_image_arch_machine(self,march):
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if march == "auto":
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march = getSupportArch()[-1]
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return march
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def get_cl_image_linux_shortname(self):
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return self.Get('os_linux_shortname')
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def choice_cl_image_linux_shortname(self):
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return Linux.dictLinuxName.keys()
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def get_cl_image_path(self):
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"""Get available images search path"""
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# if current distributive is live
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if self.Get('os_root_type') == "livecd":
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# if builder from flash then this source path '/mnt/flash'
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# may be this path will be '/mnt/builder' for install
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# modified system
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if self.Get('os_scratch') == "on" and path.exists('/mnt/flash'):
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livedistr = ['/mnt/flash']
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# if system boot with kernel param 'docache'
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elif path.exists('/mnt/squash'):
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livedistr = ['/mnt/livecd']
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# standard livecd
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else:
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livedistr = ['/mnt/cdrom']
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else:
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livedistr = []
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# search all partition for source installation distributive
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rootDev = self.Get('os_install_root_dev')
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livedistr += \
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map(lambda x:x[0],
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filter(lambda x:" live" in x[1] and x[0] != rootDev,
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zip(self.Get('os_disk_dev'),
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self.Get('os_disk_content'))))
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# add to standard path
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return filter(path.exists,
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['/var/calculate/remote/linux',
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'/var/calculate/linux'] + livedistr)
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def getImage(self,scratch,rootType,imagePath,march=None,
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shortName=None,linuxVer=None,linuxBuild=None):
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"""Get image by parameters"""
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# exclude directory distributive for flash and scratch install
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if scratch == "on" or rootType == "flash":
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discardType = ["dir"]
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else:
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discardType = []
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return self.getBestDistributive(imagePath,
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march=march,
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shortname=shortName,
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discardType=discardType,
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version=linuxVer,
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build=linuxBuild)
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def get_cl_image(self):
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"""Get image file from distributive repository"""
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if self.Get('cl_action') != 'system':
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return Distributive.fromFile('/')
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filename = self.Get('cl_image_filename')
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if filename:
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filename = Distributive.fromFile(filename)
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return filename
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def get_cl_image_filename(self):
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if self.Get('cl_action') != 'system':
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return ""
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return self.getImage(self.Get('os_install_scratch'),
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self.Get('os_install_root_type'),
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self.Get('cl_image_path'),
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self.Get('cl_image_arch_machine'),
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self.Get('cl_image_linux_shortname'),
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self.Get('cl_image_linux_ver'),
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self.Get('cl_image_linux_build'))
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def human_cl_image(self):
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filename = self.Get('cl_image')
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if filename:
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return filename.getType()
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return filename
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def check_cl_image_filename(self,isoimage):
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"""Set image file"""
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imageData = Distributive().getInfo(isoimage)
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if not("name" in imageData and imageData.get('build','') and \
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"march" in imageData):
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raise VariableError(_("Wrong image file"))
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contentCache = {}
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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)$""" %
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{'name':"[a-z0-9]+",
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'ver':r"(\d+\.)*\d+",
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'march':"|".join(marches),
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'ext':"|".join(extensiton)
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}, re.X)
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def _getDistrInfo(self,filename):
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"""Get information by distributive"""
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# if filename is directory
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if not path.isfile(filename):
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return Distributive().getInfo(filename)
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else:
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match = self.reDistName.match(filename)
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if not match:
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return {}
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distdic = match.groupdict()
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distdic["build"] = ""
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if "ver" in distdic:
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if re.match("^\d{8}$", distdic["ver"]):
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distdic["build"] = distdic["ver"]
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distdic["ver"] = ""
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return distdic
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def _getAvailableShortnames(self,dirs):
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"""Get available distributives shortnames"""
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distros = filter(lambda x:x,
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map(self.reDistName.search,self._getAvailableDistributives(dirs)))
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return sorted(list(set(map(lambda x:x.groupdict()['name'],distros))))
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def opcompareByString(self,buf):
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if buf:
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reOp = re.compile("^(!=|=|==|<=|>=|>|<)?(\d+.*)$")
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res = reOp.search(buf)
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if res:
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return ({'!=':operator.ne,
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'=':operator.eq,
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'==':operator.eq,
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'>=':operator.ge,
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'<=':operator.le,
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'<':operator.lt,
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'>':operator.gt}.get(res.group(1),operator.eq),
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res.group(2))
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else:
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return operator.eq,buf
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return None,None
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def _getAvailableDistributives(self,dirs,system=None,shortname=None,march=None,
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version=None,build=None):
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"""Get all distributives by filter"""
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def systemByName(name):
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return Linux.dictNameSystem.get(name.upper(),"")
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verCmp, version = self.opcompareByString(version)
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if version:
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version = getTupleVersion(version)
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buildCmp, build = self.opcompareByString(build)
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if build and build.isdigit():
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build = int(build)
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def distfilter(dist):
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d = self._getDistrInfo(dist)
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if not d:
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return False
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# check filter conditions
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if system and systemByName(d['name']) != system:
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return False
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if not "name" in d or not "ver" in d:
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return False
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if shortname and d['name'].lower() != shortname.lower():
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return False
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if march and d['march'] != march:
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return False
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if version and not verCmp(getTupleVersion(d['ver']), version):
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return False
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if build and "build" in d and (not d['build'].isdigit() or
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not buildCmp(int(d['build']),build)):
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return False
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return True
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def listdistr(pathname):
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if path.exists(path.join(pathname,'etc/make.profile')) or \
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path.exists(path.join(pathname,'livecd')) or \
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pathname.startswith('/dev/'):
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return [pathname]
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else:
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# discard inner directories
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return filter(lambda x:not path.isdir( path.join(pathname,x)),
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listDirectory(pathname))
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# get lists files in directories
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allFiles = map(lambda x: map(lambda y: path.join(x,y),
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listdistr(x)),
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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 extcomparator(self,*exts):
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"""Compare extensions"""
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mapExts = {'iso':0,
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'flash':-1,
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'isodir':-2,
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'partdir':-3,
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'dir':-4}
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return cmp(mapExts.get(exts[0],-4),mapExts.get(exts[1],-4))
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def sortdistrfunc(self,x,y):
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"""Func of comparing two distributive"""
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ver1, ver2 = x[1].get('ver',""), y[1].get('ver',"")
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if ver1 and ver2 and ver1 != "0" and ver2 != "0" and ver1 != ver2:
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return cmpVersion(ver1,ver2)
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build1 = getTupleVersion(x[1].get('build',""))
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build2 = getTupleVersion(y[1].get('build',""))
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if build1 != build2:
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return cmp(build1,build2)
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else:
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ext1 = x[1].get('ext',"")
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ext2 = y[1].get('ext',"")
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return self.extcomparator(ext1,ext2)
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def getBestDistributive(self,dirs,system=None,shortname=None,march=None,
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version=None, build=None,discardType=[]):
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"""Get the actualest distributive"""
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if shortname:
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shortname = shortname.lower()
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availDistrs = self._getAvailableDistributives(dirs,system,shortname,
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march,version,
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build)
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availDistrs = filter(lambda x:x[1] and "ext" in x[1] and
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not x[1]["ext"] in discardType,
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map(lambda x:(x,self._getDistrInfo(x)),
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availDistrs))
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availDistrs = sorted(availDistrs,self.sortdistrfunc,reverse=True)
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if availDistrs:
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return availDistrs[0][0]
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else:
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return None
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def _findLatestFile(self,dirs,reMatch,keyfunc):
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"""Find latest file in dirs, which match by reMatch,
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comparable part get by keyfunc"""
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existsdirs = filter(path.exists,dirs)
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listimgs = reduce(lambda x,y:x + \
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map(lambda x:reMatch.search(path.join(y,x)),
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listDirectory(y)),
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existsdirs,[])
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listimgs = filter(lambda x:x, listimgs)
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if listimgs:
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return max(listimgs,key=keyfunc).group()
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return ""
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def getBestStage(self,dirs,march=None,hardened=None):
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"""Get latest stage by march"""
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if march:
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march = {'x86_64':'amd64'}.get(march,march)
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else:
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march = "[^-]+"
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if hardened is None:
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hardened = "(?:-hardened)?"
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elif hardened == True:
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hardened = "-hardened"
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elif hardened == False:
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hardened = ""
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reStage = re.compile(r'^.*/stage3-%s%s-(\d+)\.tar\.bz2$'%
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(march,hardened),re.S)
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return self._findLatestFile(dirs,reStage,lambda x:x.groups()[0])
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def choice_cl_image_arch_machine(self):
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"""Get image arch"""
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return ["i686","x86_64"]
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def check_cl_image_linux_shortname(self,value):
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if self.Get('cl_action') == 'system':
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if not self.Get('cl_image'):
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if not self.getImage(self.Get('os_install_scratch'),
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self.Get('os_install_root_type'),
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self.Get('cl_image_path'),
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shortName=value):
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raise VariableError(
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_('Installation image of {0} not found').format(value))
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def check_cl_image_arch_machine(self,value):
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if self.Get('cl_action') == 'system':
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if not self.Get('cl_image'):
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if not self.getImage(self.Get('os_install_scratch'),
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self.Get('os_install_root_type'),
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self.Get('cl_image_path'),
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march=value,
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shortName=self.Get('cl_image_linux_shortname')):
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raise VariableError(
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_('Installation image of {distro} with '
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"architecture '{arch}' not found").format(
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distro=self.Get('cl_image_linux_shortname'),
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arch=value))
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def check_cl_image_linux_ver(self,value):
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if self.Get('cl_action') == 'system':
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if value and not self.Get('cl_image'):
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if not self.getImage(self.Get('os_install_scratch'),
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self.Get('os_install_root_type'),
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self.Get('cl_image_path'),
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march=self.Get('cl_image_arch_machine'),
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shortName=self.Get('cl_image_linux_shortname'),
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linuxVer=value):
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raise VariableError(
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_('Installation image of {distro} with '
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"version '{ver}' not found").format(
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distro="%s-%s"%
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(self.Get('cl_image_linux_shortname'),
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self.Get('cl_image_arch_machine')),
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ver=value))
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def check_cl_image_linux_build(self,value):
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if self.Get('cl_action') == 'system':
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if value and not self.Get('cl_image'):
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raise VariableError(
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_('Installation image with build {build} not found').format(
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build=value))
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