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"""
LiveCD stage2 target, builds upon previous LiveCD stage1 tarball
"""
# NOTE: That^^ docstring has influence catalyst-spec(5) man page generation.
import os,string,types,stat,shutil
from catalyst_support import *
from generic_stage_target import *
class livecd_stage2_target(generic_stage_target):
"""
Builder class for a LiveCD stage2 build.
"""
def __init__(self,spec,addlargs):
self.required_values=["boot/kernel"]
self.valid_values=[]
self.valid_values.extend(self.required_values)
self.valid_values.extend(["livecd/cdtar","livecd/empty","livecd/rm",\
"livecd/unmerge","livecd/iso","livecd/gk_mainargs","livecd/type",\
"livecd/readme","livecd/motd","livecd/overlay",\
"livecd/modblacklist","livecd/splash_theme","livecd/rcadd",\
"livecd/rcdel","livecd/fsscript","livecd/xinitrc",\
"livecd/root_overlay","livecd/users","portage_overlay",\
"livecd/fstype","livecd/fsops","livecd/linuxrc","livecd/bootargs",\
"gamecd/conf","livecd/xdm","livecd/xsession","livecd/volid"])
generic_stage_target.__init__(self,spec,addlargs)
if not self.settings.has_key("livecd/type"):
self.settings["livecd/type"] = "generic-livecd"
file_locate(self.settings, ["cdtar","controller_file"])
def set_source_path(self):
self.settings["source_path"]=normpath(self.settings["storedir"]+"/builds/"+self.settings["source_subpath"]+".tar.bz2")
if os.path.isfile(self.settings["source_path"]):
self.settings["source_path_hash"]=generate_hash(self.settings["source_path"])
else:
self.settings["source_path"]=normpath(self.settings["storedir"]+"/tmp/"+self.settings["source_subpath"]+"/")
if not os.path.exists(self.settings["source_path"]):
raise CatalystError,"Source Path: "+self.settings["source_path"]+" does not exist."
def set_spec_prefix(self):
self.settings["spec_prefix"]="livecd"
def set_target_path(self):
self.settings["target_path"]=normpath(self.settings["storedir"]+"/builds/"+self.settings["target_subpath"]+"/")
if self.settings.has_key("AUTORESUME") \
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.isdir(self.settings["target_path"]):
cmd("rm -rf "+self.settings["target_path"],
"Could not remove existing directory: "+self.settings["target_path"],env=self.env)
touch(self.settings["autoresume_path"]+"setup_target_path")
if not os.path.exists(self.settings["target_path"]):
os.makedirs(self.settings["target_path"])
def run_local(self):
# what modules do we want to blacklist?
if self.settings.has_key("livecd/modblacklist"):
try:
myf=open(self.settings["chroot_path"]+"/etc/modprobe.d/blacklist.conf","a")
except:
self.unbind()
raise CatalystError,"Couldn't open "+self.settings["chroot_path"]+"/etc/modprobe.d/blacklist.conf."
myf.write("\n#Added by Catalyst:")
for x in self.settings["livecd/modblacklist"]:
myf.write("\nblacklist "+x)
myf.close()
def unpack(self):
unpack=True
display_msg=None
clst_unpack_hash=read_from_clst(self.settings["autoresume_path"]+"unpack")
if os.path.isdir(self.settings["source_path"]):
unpack_cmd="rsync -a --delete "+self.settings["source_path"]+" "+self.settings["chroot_path"]
display_msg="\nStarting rsync from "+self.settings["source_path"]+"\nto "+\
self.settings["chroot_path"]+" (This may take some time) ...\n"
error_msg="Rsync of "+self.settings["source_path"]+" to "+self.settings["chroot_path"]+" failed."
invalid_snapshot=False
if self.settings.has_key("AUTORESUME"):
if os.path.isdir(self.settings["source_path"]) and \
os.path.exists(self.settings["autoresume_path"]+"unpack"):
print "Resume point detected, skipping unpack operation..."
unpack=False
elif self.settings.has_key("source_path_hash"):
if self.settings["source_path_hash"] != clst_unpack_hash:
invalid_snapshot=True
if unpack:
self.mount_safety_check()
if invalid_snapshot:
print "No Valid Resume point detected, cleaning up ..."
#os.remove(self.settings["autoresume_path"]+"dir_setup")
self.clear_autoresume()
self.clear_chroot()
#self.dir_setup()
if not os.path.exists(self.settings["chroot_path"]):
os.makedirs(self.settings["chroot_path"])
if not os.path.exists(self.settings["chroot_path"]+"/tmp"):
os.makedirs(self.settings["chroot_path"]+"/tmp",1777)
if self.settings.has_key("PKGCACHE"):
if not os.path.exists(self.settings["pkgcache_path"]):
os.makedirs(self.settings["pkgcache_path"],0755)
if not display_msg:
raise CatalystError,"Could not find appropriate source. Please check the 'source_subpath' setting in the spec file."
print display_msg
cmd(unpack_cmd,error_msg,env=self.env)
if self.settings.has_key("source_path_hash"):
myf=open(self.settings["autoresume_path"]+"unpack","w")
myf.write(self.settings["source_path_hash"])
myf.close()
else:
touch(self.settings["autoresume_path"]+"unpack")
def set_action_sequence(self):
self.settings["action_sequence"]=["unpack","unpack_snapshot",\
"config_profile_link","setup_confdir","portage_overlay",\
"bind","chroot_setup","setup_environment","run_local",\
"build_kernel"]
if not self.settings.has_key("FETCH"):
self.settings["action_sequence"] += ["bootloader","preclean",\
"livecd_update","root_overlay","fsscript","rcupdate","unmerge",\
"unbind","remove","empty","target_setup",\
"setup_overlay","create_iso"]
self.settings["action_sequence"].append("clear_autoresume")
def register(foo):
foo.update({"livecd-stage2":livecd_stage2_target})
return foo
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