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140 lines
5.0 KiB
140 lines
5.0 KiB
#-*- coding: utf-8 -*-
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# Copyright 2010 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 re
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import cl_overriding
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from cl_datavars import glob_attr
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from cl_kernel import cl_kernel
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from os import access, R_OK
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from os import path
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class fillVars(object, glob_attr):
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def get_cl_kernel_src_path(self):
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defaultKernelPath = '/usr/src'
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priorityDir = path.join(defaultKernelPath,"linux")
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if not access(defaultKernelPath,R_OK):
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return ""
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kernel = cl_kernel()
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kernelDirs = filter(kernel._testKernelDirectory,
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map(lambda x:path.join(defaultKernelPath,x),
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os.listdir(defaultKernelPath)))
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if kernelDirs:
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if priorityDir in kernelDirs:
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return priorityDir
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else:
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return path.join(defaultKernelPath,kernelDirs[0])
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return ""
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def get_cl_kernel_full_ver(self):
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if self.Get('cl_kernel_config') \
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and os.access(self.Get('cl_kernel_config'),os.R_OK):
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localVer = self.getValueFromConfig(
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self.Get('cl_kernel_config'),
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'CONFIG_LOCALVERSION')
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if not localVer:
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localVer=""
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else:
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localVer = ""
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kernelMakefile = path.join(self.Get('cl_kernel_src_path'),'Makefile')
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if os.access(kernelMakefile,os.R_OK):
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extraVer = ""
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for line in open(kernelMakefile,'r'):
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if "EXTRAVERSION" in line:
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extraVer = line.partition('=')[2].strip()
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break
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else:
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localVer = ""
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return "%s%s%s"%(self.Get('cl_kernel_ver'), extraVer, localVer)
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def get_cl_kernel_ver(self):
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kernelMakefile = path.join(self.Get('cl_kernel_src_path'),'Makefile')
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reVerPart = re.compile(
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"^(?:VERSION|^PATCHLEVEL|^SUBLEVEL)\s*=",re.I)
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if access(kernelMakefile,R_OK):
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try:
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makeVer = \
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"%(VERSION)s.%(PATCHLEVEL)s.%(SUBLEVEL)s"% \
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dict(map(lambda x:(x[0].strip(),x[2].strip()),
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map(lambda x:x.partition('='),
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filter(reVerPart.search,
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open(kernelMakefile,'r')))))
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return makeVer
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except:
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pass
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return ""
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def get_cl_kernel_config(self):
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kernelDirs = self.Get('cl_kernel_config_path')
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if not access(kernelDirs,R_OK):
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return ""
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shortVerSearch = re.search("^\d+\.\d+.\d+",self.Get('cl_kernel_ver'),re.I)
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if shortVerSearch:
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shortVer = shortVerSearch.group()
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else:
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return ""
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configName = "config-%(system)s-%(march)s-%(ver)s" % \
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{'system':self.Get('os_linux_system'),
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'march':self.Get('os_arch_machine'),
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'ver':shortVer}
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if path.exists(path.join(kernelDirs,configName)):
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return path.join(kernelDirs,configName)
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return ""
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def get_os_builder_makeopts(self):
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makeconf = '/etc/make.conf'
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if access(makeconf,R_OK):
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makeopts = self.getValueFromConfig('/etc/make.conf',"MAKEOPTS")
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if makeopts:
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return makeopts
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return ""
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def get_cl_kernel_boot_path(self):
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return path.join(self.Get('cl_kernel_install_path'),"boot")
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def get_cl_kernel_cache_path(self):
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cacheDir = self.getValueFromConfig('/etc/genkernel.conf','CACHE_DIR')
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if cacheDir == False:
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return "/var/cache/genkernel"
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else:
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return cacheDir
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reChroot = re.compile("^_=.*bin/chroot$",re.S)
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def isChroot(self,pid):
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"""Recursive detect chroot mode"""
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if not os.access('/proc/%d/environ'%pid,R_OK):
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return False
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if filter(self.reChroot.match,
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open('/proc/%d/environ'%pid,'r').read().split('\x00')):
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return True
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else:
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ppid = filter(lambda x:x.startswith('PPid:'),
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open('/proc/%d/status'%pid,'r').readlines())[0]
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ppid = int(ppid.strip().partition('\t')[2])
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if ppid == 0:
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return False
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else:
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return self.isChroot(ppid)
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def get_cl_chroot_status(self):
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"""Detect chroot mode by mtab content"""
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try:
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return "on" if self.isChroot(os.getpid()) else "off"
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except:
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return "off"
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