Exemplo n.º 1
0
 def initVars(self):
     """Primary initialization of variables"""
     self.clVars = DataVarsBuilder()
     self.clVars.importBuilder()
     self.clVars.flIniFile()
Exemplo n.º 2
0
class cl_kernel(color_print):
    """Primary class for kernel manipulation"""
    kernelCurPath = '/usr/src/linux'

    def __init__(self):
        self.clVars = None
        self.startMessage = ""

    def _testKernelDirectory(self,dirpath):
        """Test directory for kernel sources"""
        makefilepath = path.join(dirpath,'Makefile')
        kbuildpath = path.join(dirpath,'Kbuild')
        if path.exists(makefilepath) \
            and path.exists(kbuildpath) \
            and "Kbuild for top-level directory of the kernel" in \
                open(kbuildpath,'r').read():
            return True
        return False

    def _testFullKernelDirectory(self,dirpath):
        """To check the directory for full kernel sources
        
        Kernel may be installed with minimal (later vmlinuz) flag"""
        documentationPath = path.join(dirpath,'Documentation')
        driversPath = path.join(dirpath,'drivers')
        if path.exists(documentationPath) \
            and path.exists(driversPath):
            return True
        return False

    def setNoColor(self):
        self.color = False

    def initVars(self):
        """Primary initialization of variables"""
        self.clVars = DataVarsBuilder()
        self.clVars.importBuilder()
        self.clVars.flIniFile()

    def makeKernel(self,quiet=True,showMenuConfig=False,noClean=False,
                   lvmOpt=False,dmraidOpt=False,mdadmOpt=False,
                   mrproper=False,target="all"):
        """Run kernel compilation"""
        clVars = self.clVars
        themeName = "calculate"
        standardParams = ["--splash=%s"%themeName, "--unionfs",
                          "--all-ramdisk-modules","--disklabel",
                          "--no-save-config", "--firmware","--udev",
                          "--lspci"]
        kernelDir = ["--kerneldir=%s"%clVars.Get('cl_kernel_src_path')]
        kernelDestination = clVars.Get('cl_kernel_install_path')
        modulePrefix = ["--module-prefix=%s"%kernelDestination]
        if not path.exists(kernelDestination):
            self.printERROR("Not found destination directory '%s'"%
                                kernelDestination)
            return False
        logLevel = ["--loglevel=%d"%(1 if quiet else 2)]
        makeOpts = clVars.Get('os_builder_makeopts')
        if makeOpts:
            makeOpts = ["--makeopts=%s"%makeOpts]
        else:
            makeOpts = []
        menuConfig = ["--menuconfig"] if showMenuConfig else []
        noClean = ["--no-clean"] if noClean else []
        bootDir = clVars.Get('cl_kernel_boot_path')
        if not path.exists(bootDir):
            os.makedirs(bootDir,mode=0755)
        bootDir = ["--bootdir=%s"%bootDir]
        lvmOpt = ["--lvm"] if lvmOpt else []
        dmraidOpt = ["--dmraid"] if dmraidOpt else []
        mdadmOpt = ["--mdadm"] if mdadmOpt else []
        mrproperOpt = ["--mrproper"] if mrproper else ["--no-mrproper"]
        stdConfigPath = \
            path.join(clVars.Get('cl_kernel_src_path'), ".config")
        if clVars.Get('cl_kernel_config') == stdConfigPath:
            kernelConfig = []
            if mrproper:
                self.printERROR(_("Cannot use the current kernel configuration"
                                  " with option'%s'")%
                    "--mrproper")
                return False
        else:
            kernelConfig = ["--kernel-config=%s"%clVars.Get('cl_kernel_config')]
        kernelName = ["--kernname=%s"%clVars.Get('os_linux_system')]
        cachedir = ["--cachedir=%s"%clVars.Get('cl_kernel_cache_path')]
        tempdir = ["--tempdir=%s"%clVars.Get('cl_kernel_temp_path')]

        params = ["genkernel"]+cachedir+tempdir+\
                    standardParams+kernelDir+modulePrefix+\
                    logLevel+makeOpts+menuConfig+noClean+kernelConfig+\
                    bootDir+lvmOpt+dmraidOpt+mdadmOpt+mrproperOpt+[target]

        try:
            genkernelProcess = process(*params,stdout=None,stderr=STDOUT,
                                       stdin=None,envdict=os.environ)
            return genkernelProcess.success()
        except KeyboardInterrupt:
            self.printERROR("Keyboard interrupt")
            return False

    def prepareBoot(self):
        """Rename received by genkernel files"""
        clVars = self.clVars
        bootDir = clVars.Get('cl_kernel_boot_path')
        if not os.access(bootDir,os.W_OK):
            self.printERROR(_("No permission to write to '%s'")% bootDir)
            return False
        march = clVars.Get('os_arch_machine')
        if re.match("^i.86$",march):
            march = "x86"

        baseConfigName = path.join(clVars.Get('cl_kernel_src_path'),
                                   ".config")
        if path.exists(baseConfigName):
            clVars.Set('cl_kernel_config',baseConfigName,True)
        kernelFullVer = clVars.Get('cl_kernel_full_ver')
        suffixName = "genkernel-%(march)s-%(fullver)s"%\
                     {"march":march,
                      "fullver":kernelFullVer}
        baseInitrdName = path.join(bootDir,"initramfs-%s"%suffixName)
        baseKernelName = path.join(bootDir,"kernel-%s"%suffixName)
        baseSystemMap = path.join(bootDir,"System.map-%s"%suffixName)

        newInitrdName = self._getName("initramfs")
        newKernelName = self._getName("vmlinuz")
        newSystemMap = self._getName("System.map")
        newConfigName = self._getName("config")

        try:
            os.rename(baseInitrdName,newInitrdName)
            os.rename(baseKernelName,newKernelName)
            os.rename(baseSystemMap,newSystemMap)
            copy_with_perm(baseConfigName,newConfigName)
        except OSError,e:
            self.printERROR(_("Failed to rename kernel files: %s")%e.strerror)
            return False
        return True