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(SourceKernel, 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 71
