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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
from catalyst.support import (normpath, file_locate, CatalystError, cmd,
read_from_clst, touch)
from catalyst.fileops import ensure_dirs
from catalyst.base.stagebase import StageBase
class livecd_stage2(StageBase):
"""
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"])
StageBase.__init__(self,spec,addlargs)
if "livecd/type" not in self.settings:
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"].rstrip('/')+".tar.bz2")
if os.path.isfile(self.settings["source_path"]):
self.settings["source_path_hash"] = \
self.settings["hash_map"].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.",
print_traceback=True)
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 "autoresume" in self.settings["options"] \
and self.resume.is_enabled("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)
self.resume.enable("setup_target_path")
ensure_dirs(self.settings["target_path"])
def run_local(self):
# what modules do we want to blacklist?
if "livecd/modblacklist" in self.settings:
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.",
print_traceback=True)
myf.write("\n#Added by Catalyst:")
# workaround until config.py is using configparser
if isinstance(self.settings["livecd/modblacklist"], str):
self.settings["livecd/modblacklist"] = self.settings["livecd/modblacklist"].split()
for x in self.settings["livecd/modblacklist"]:
myf.write("\nblacklist "+x)
myf.close()
def unpack(self):
_unpack=True
display_msg=None
clst_unpack_hash = self.resume.get("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 "autoresume" in self.settings["options"]:
if os.path.isdir(self.settings["source_path"]) and \
self.resume.is_enabled("unpack"):
print "Resume point detected, skipping unpack operation..."
_unpack=False
elif "source_path_hash" in self.settings:
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 ..."
self.clear_autoresume()
self.clear_chroot()
ensure_dirs(self.settings["chroot_path"]+"/tmp", mode=1777)
if "pkgcache" in self.settings["options"]:
ensure_dirs(self.settings["pkgcache_path"], mode=0755)
if not display_msg:
raise CatalystError("Could not find appropriate source.\n"
"Please check the 'source_subpath' "
"setting in the spec file.",
print_traceback=True)
print display_msg
cmd(unpack_cmd,error_msg,env=self.env)
if "source_path_hash" in self.settings:
self.resume.enable("unpack", data=self.settings["source_path_hash"])
else:
self.resume.enable("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 "fetch" not in self.settings["options"]:
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")
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