server/source_kernel.py

   1 # Copyright 2007 Google Inc. Released under the GPL v2
   2
   3 """
   4 This module defines the SourceKernel class
   5
   6         SourceKernel: an linux kernel built from source
   7 """
   8
   9
  10 from autotest_lib.server import kernel, autotest
  11
  12
  13 class SourceKernel(kernel.Kernel):
  14     """
  15     This class represents a linux kernel built from source.
  16
  17     It is used to obtain a built kernel or create one from source and
  18     install it on a Host.
  19
  20     Implementation details:
  21     This is a leaf class in an abstract class hierarchy, it must
  22     implement the unimplemented methods in parent classes.
  23     """
  24     def __init__(self, k):
  25         super(kernel.Kernel, self).__init__()
  26         self.__kernel = k
  27         self.__patch_list = []
  28         self.__config_file = None
  29         self.__autotest = autotest.Autotest()
  30
  31
  32     def configure(self, configFile):
  33         self.__config_file = configFile
  34
  35
  36     def patch(self, patchFile):
  37         self.__patch_list.append(patchFile)
  38
  39
  40     def build(self, host):
  41         ctlfile = self.__control_file(self.__kernel, self.__patch_list,
  42                                     self.__config_file)
  43         self.__autotest.run(ctlfile, host.get_tmp_dir(), host)
  44
  45
  46     def install(self, host):
  47         self.__autotest.install(host)
  48         ctlfile = ("testkernel = job.kernel('%s')\n"
  49                    "testkernel.install()\n"
  50                    "testkernel.add_to_bootloader()\n" %(self.__kernel))
  51         self.__autotest.run(ctlfile, host.get_tmp_dir(), host)
  52
  53
  54     def __control_file(self, kernel, patch_list, config):
  55         ctl = ("testkernel = job.kernel('%s')\n" % kernel)
  56
  57         if len(patch_list):
  58             patches = ', '.join(["'%s'" % x for x in patch_list])
  59             ctl += "testkernel.patch(%s)\n" % patches
  60
  61         if config:
  62             ctl += "testkernel.config('%s')\n" % config
  63         else:
  64             ctl += "testkernel.config('', None, True)\n"
  65
  66         ctl += "testkernel.build()\n"
  67
  68         # copy back to server
  69
  70         return ctl