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"""
netboot target, version 2
"""
# NOTE: That^^ docstring has influence catalyst-spec(5) man page generation.
import os,string,types
from catalyst_support import *
from generic_stage_target import *
class netboot2_target(generic_stage_target):
"""
Builder class for a netboot build, version 2
"""
def __init__(self,spec,addlargs):
self.required_values=[
"boot/kernel"
]
self.valid_values=self.required_values[:]
self.valid_values.extend([
"netboot2/packages",
"netboot2/use",
"netboot2/extra_files",
"netboot2/overlay",
"netboot2/busybox_config",
"netboot2/root_overlay",
"netboot2/linuxrc"
])
try:
if "netboot2/packages" in addlargs:
if type(addlargs["netboot2/packages"]) == types.StringType:
loopy=[addlargs["netboot2/packages"]]
else:
loopy=addlargs["netboot2/packages"]
for x in loopy:
self.valid_values.append("netboot2/packages/"+x+"/files")
except:
raise CatalystError,"configuration error in netboot2/packages."
generic_stage_target.__init__(self,spec,addlargs)
self.set_build_kernel_vars()
self.settings["merge_path"]=normpath("/tmp/image/")
def set_target_path(self):
self.settings["target_path"]=normpath(self.settings["storedir"]+"/builds/"+\
self.settings["target_subpath"]+"/")
if "AUTORESUME" in self.settings \
and os.path.exists(self.settings["autoresume_path"]+"setup_target_path"):
print "Resume point detected, skipping target path setup operation..."
else:
# first clean up any existing target stuff
if os.path.isfile(self.settings["target_path"]):
cmd("rm -f "+self.settings["target_path"], \
"Could not remove existing file: "+self.settings["target_path"],env=self.env)
touch(self.settings["autoresume_path"]+"setup_target_path")
if not os.path.exists(self.settings["storedir"]+"/builds/"):
os.makedirs(self.settings["storedir"]+"/builds/")
def copy_files_to_image(self):
# copies specific files from the buildroot to merge_path
myfiles=[]
# check for autoresume point
if "AUTORESUME" in self.settings \
and os.path.exists(self.settings["autoresume_path"]+"copy_files_to_image"):
print "Resume point detected, skipping target path setup operation..."
else:
if "netboot2/packages" in self.settings:
if type(self.settings["netboot2/packages"]) == types.StringType:
loopy=[self.settings["netboot2/packages"]]
else:
loopy=self.settings["netboot2/packages"]
for x in loopy:
if "netboot2/packages/"+x+"/files" in self.settings:
if type(self.settings["netboot2/packages/"+x+"/files"]) == types.ListType:
myfiles.extend(self.settings["netboot2/packages/"+x+"/files"])
else:
myfiles.append(self.settings["netboot2/packages/"+x+"/files"])
if "netboot2/extra_files" in self.settings:
if type(self.settings["netboot2/extra_files"]) == types.ListType:
myfiles.extend(self.settings["netboot2/extra_files"])
else:
myfiles.append(self.settings["netboot2/extra_files"])
try:
cmd("/bin/bash "+self.settings["controller_file"]+\
" image " + list_bashify(myfiles),env=self.env)
except CatalystError:
self.unbind()
raise CatalystError,"Failed to copy files to image!"
touch(self.settings["autoresume_path"]+"copy_files_to_image")
def setup_overlay(self):
if "AUTORESUME" in self.settings \
and os.path.exists(self.settings["autoresume_path"]+"setup_overlay"):
print "Resume point detected, skipping setup_overlay operation..."
else:
if "netboot2/overlay" in self.settings:
for x in self.settings["netboot2/overlay"]:
if os.path.exists(x):
cmd("rsync -a "+x+"/ "+\
self.settings["chroot_path"] + self.settings["merge_path"], "netboot2/overlay: "+x+" copy failed.",env=self.env)
touch(self.settings["autoresume_path"]+"setup_overlay")
def move_kernels(self):
# we're done, move the kernels to builds/*
# no auto resume here as we always want the
# freshest images moved
try:
cmd("/bin/bash "+self.settings["controller_file"]+\
" final",env=self.env)
print ">>> Netboot Build Finished!"
except CatalystError:
self.unbind()
raise CatalystError,"Failed to move kernel images!"
def remove(self):
if "AUTORESUME" in self.settings \
and os.path.exists(self.settings["autoresume_path"]+"remove"):
print "Resume point detected, skipping remove operation..."
else:
if self.settings["spec_prefix"]+"/rm" in self.settings:
for x in self.settings[self.settings["spec_prefix"]+"/rm"]:
# we're going to shell out for all these cleaning operations,
# so we get easy glob handling
print "netboot2: removing " + x
os.system("rm -rf " + self.settings["chroot_path"] + self.settings["merge_path"] + x)
def empty(self):
if "AUTORESUME" in self.settings \
and os.path.exists(self.settings["autoresume_path"]+"empty"):
print "Resume point detected, skipping empty operation..."
else:
if "netboot2/empty" in self.settings:
if type(self.settings["netboot2/empty"])==types.StringType:
self.settings["netboot2/empty"]=self.settings["netboot2/empty"].split()
for x in self.settings["netboot2/empty"]:
myemp=self.settings["chroot_path"] + self.settings["merge_path"] + x
if not os.path.isdir(myemp):
print x,"not a directory or does not exist, skipping 'empty' operation."
continue
print "Emptying directory", x
# stat the dir, delete the dir, recreate the dir and set
# the proper perms and ownership
mystat=os.stat(myemp)
shutil.rmtree(myemp)
os.makedirs(myemp,0755)
os.chown(myemp,mystat[ST_UID],mystat[ST_GID])
os.chmod(myemp,mystat[ST_MODE])
touch(self.settings["autoresume_path"]+"empty")
def set_action_sequence(self):
self.settings["action_sequence"]=["unpack","unpack_snapshot","config_profile_link",
"setup_confdir","portage_overlay","bind","chroot_setup",\
"setup_environment","build_packages","root_overlay",\
"copy_files_to_image","setup_overlay","build_kernel","move_kernels",\
"remove","empty","unbind","clean","clear_autoresume"]
def register(foo):
foo.update({"netboot2":netboot2_target})
return foo
|
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