modules/embedded_target.py

   1
   2 """
   3 This class works like a 'stage3'.  A stage2 tarball is unpacked, but instead
   4 of building a stage3, it emerges a 'system' into another directory
   5 inside the 'stage2' system.  This way we do not have to emerge gcc/portage
   6 into the staged system.
   7
   8 It sounds real complicated but basically it runs
   9 ROOT=/tmp/submerge emerge --blahblah foo bar
  10 """
  11
  12 import os,string,imp,types,shutil
  13 from catalyst_support import *
  14 from generic_stage_target import *
  15 from stat import *
  16
  17 class embedded_target(generic_stage_target):
  18
  19         def __init__(self,spec,addlargs):
  20                 self.required_values=[]
  21                 self.valid_values=[]
  22                 self.valid_values.extend(["embedded/empty","embedded/rm","embedded/unmerge","embedded/fs-prepare","embedded/fs-finish","embedded/mergeroot","embedded/packages","embedded/fs-type","embedded/runscript","boot/kernel","embedded/linuxrc"])
  23                 self.valid_values.extend(["embedded/use"])
  24                 if addlargs.has_key("embedded/fs-type"):
  25                         self.valid_values.append("embedded/fs-ops")
  26
  27                 generic_stage_target.__init__(self,spec,addlargs)
  28                 self.set_build_kernel_vars(addlargs)
  29
  30         def set_action_sequence(self):
  31                 self.settings["action_sequence"]=["dir_setup","unpack","unpack_snapshot",\
  32                                         "config_profile_link","setup_confdir",\
  33                                         "portage_overlay","bind","chroot_setup",\
  34                                         "setup_environment","build_kernel","build_packages",\
  35                                         "bootloader","root_overlay","fsscript","unmerge",\
  36                                         "unbind","remove","empty","clean","capture","clear_autoresume"]
  37
  38         def set_stage_path(self):
  39                 self.settings["stage_path"]=normpath(self.settings["chroot_path"]+"/tmp/mergeroot")
  40                 print "embedded stage path is "+self.settings["stage_path"]
  41
  42         def set_root_path(self):
  43                 self.settings["root_path"]=normpath("/tmp/mergeroot")
  44                 print "embedded root path is "+self.settings["root_path"]
  45
  46 def register(foo):
  47         foo.update({"embedded":embedded_target})
  48         return foo