550 lines
19 KiB
Python
550 lines
19 KiB
Python
#
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# installtree.py
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#
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# Copyright (C) 2010 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Red Hat Author(s): Martin Gracik <mgracik@redhat.com>
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#
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import logging
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logger = logging.getLogger("pylorax.installtree")
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import sys
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import os
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import shutil
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import gzip
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import re
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import glob
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import time
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import subprocess
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import operator
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from base import BaseLoraxClass, DataHolder
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import constants
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from sysutils import *
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class LoraxInstallTree(BaseLoraxClass):
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def __init__(self, yum, basearch, libdir):
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BaseLoraxClass.__init__(self)
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self.yum = yum
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self.root = self.yum.installroot
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self.basearch = basearch
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self.libdir = libdir
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self.lcmds = constants.LoraxRequiredCommands()
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def remove_locales(self):
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chroot = lambda: os.chroot(self.root)
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# get locales we need to keep
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langtable = joinpaths(self.root, "usr/share/anaconda/lang-table")
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with open(langtable, "r") as fobj:
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langs = fobj.readlines()
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langs = map(lambda l: l.split()[3].replace(".UTF-8", ".utf8"), langs)
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langs = set(langs)
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# get locales from locale-archive
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localearch = "/usr/lib/locale/locale-archive"
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cmd = [self.lcmds.LOCALEDEF, "--list-archive", localearch]
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, preexec_fn=chroot)
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output = p.stdout.read()
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remove = set(output.split()) - langs
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# remove not needed locales
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cmd = [self.lcmds.LOCALEDEF, "-i", localearch,
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"--delete-from-archive"] + list(remove)
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, preexec_fn=chroot)
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p.wait()
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localearch = joinpaths(self.root, localearch)
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shutil.move(localearch, localearch + ".tmpl")
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p = subprocess.Popen([self.lcmds.BUILD_LOCALE_ARCHIVE],
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preexec_fn=chroot)
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p.wait()
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# remove unneeded locales from /usr/share/locale
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with open(langtable, "r") as fobj:
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langs = fobj.readlines()
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langs = map(lambda l: l.split()[1], langs)
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localedir = joinpaths(self.root, "usr/share/locale")
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for fname in os.listdir(localedir):
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fpath = joinpaths(localedir, fname)
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if os.path.isdir(fpath) and fname not in langs:
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shutil.rmtree(fpath)
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# move the lang-table to etc
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shutil.move(langtable, joinpaths(self.root, "etc"))
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def create_keymaps(self):
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keymaps = joinpaths(self.root, "etc/keymaps.gz")
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# look for override
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override = "keymaps-override-{0.basearch}".format(self)
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override = joinpaths(self.root, "usr/share/anaconda", override)
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if os.path.isfile(override):
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logger.debug("using keymaps override")
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shutil.move(override, keymaps)
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else:
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# create keymaps
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cmd = [joinpaths(self.root, "usr/share/anaconda", "getkeymaps"),
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basearch, keymaps, self.root]
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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p.wait()
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return True
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def create_screenfont(self):
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dst = joinpaths(self.root, "etc/screenfont.gz")
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screenfont = "screenfont-{0.basearch}.gz".format(self)
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screenfont = joinpaths(self.root, "usr/share/anaconda", screenfont)
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if not os.path.isfile(screenfont):
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return False
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else:
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shutil.move(screenfont, dst)
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return True
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def move_stubs(self):
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stubs = ("list-harddrives", "loadkeys", "losetup", "mknod",
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"raidstart", "raidstop")
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for stub in stubs:
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src = joinpaths(self.root, "usr/share/anaconda",
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"{0}-stub".format(stub))
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dst = joinpaths(self.root, "usr/bin", stub)
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if os.path.isfile(src):
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shutil.move(src, dst)
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# move restart-anaconda
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src = joinpaths(self.root, "usr/share/anaconda", "restart-anaconda")
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dst = joinpaths(self.root, "usr/bin")
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shutil.move(src, dst)
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# move sitecustomize.py
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pythonpath = joinpaths(self.root, "usr", self.libdir, "python?.?")
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for path in glob.glob(pythonpath):
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src = joinpaths(path, "site-packages/pyanaconda/sitecustomize.py")
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dst = joinpaths(path, "site-packages")
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shutil.move(src, dst)
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def cleanup_python_files(self):
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for root, dnames, fnames in os.walk(self.root):
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for fname in fnames:
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if fname.endswith(".py"):
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path = joinpaths(root, fname, follow_symlinks=False)
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pyo, pyc = path + "o", path + "c"
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if os.path.isfile(pyo):
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os.unlink(pyo)
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if os.path.isfile(pyc):
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os.unlink(pyc)
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os.symlink("/dev/null", pyc)
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def move_modules(self):
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shutil.move(joinpaths(self.root, "lib/modules"),
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joinpaths(self.root, "modules"))
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shutil.move(joinpaths(self.root, "lib/firmware"),
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joinpaths(self.root, "firmware"))
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os.symlink("../modules", joinpaths(self.root, "lib/modules"))
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os.symlink("../firmware", joinpaths(self.root, "lib/firmware"))
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def cleanup_kernel_modules(self, keepmodules, kernel):
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moddir = joinpaths(self.root, "modules", kernel.version)
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fwdir = joinpaths(self.root, "firmware")
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# expand required modules
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modules = set()
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pattern = re.compile(r"\.ko$")
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for name in keepmodules:
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if name.startswith("="):
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group = name[1:]
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if group in ("scsi", "ata"):
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p = joinpaths(moddir, "modules.block")
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elif group == "net":
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p = joinpaths(moddir, "modules.networking")
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else:
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p = joinpaths(moddir, "modules.{0}".format(group))
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if os.path.isfile(p):
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with open(p, "r") as fobj:
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for line in fobj:
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module = pattern.sub("", line.strip())
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modules.add(module)
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else:
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modules.add(name)
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# resolve modules dependencies
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moddep = joinpaths(moddir, "modules.dep")
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with open(moddep, "r") as fobj:
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lines = map(lambda line: line.strip(), fobj.readlines())
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modpattern = re.compile(r"^.*/(?P<name>.*)\.ko:(?P<deps>.*)$")
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deppattern = re.compile(r"^.*/(?P<name>.*)\.ko$")
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unresolved = True
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while unresolved:
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unresolved = False
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for line in lines:
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m = modpattern.match(line)
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modname = m.group("name")
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if modname in modules:
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# add the dependencies
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for dep in m.group("deps").split():
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m = deppattern.match(dep)
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depname = m.group("name")
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if depname not in modules:
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unresolved = True
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modules.add(depname)
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# required firmware
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firmware = set()
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# XXX required firmware
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firmware.add("atmel_at76c504c-wpa.bin")
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firmware.add("iwlwifi-3945-1.ucode")
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firmware.add("iwlwifi-3945.ucode")
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firmware.add("zd1211/zd1211_uph")
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firmware.add("zd1211/zd1211_uphm")
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firmware.add("zd1211/zd1211b_uph")
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firmware.add("zd1211/zd1211b_uphm")
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# remove not needed modules
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for root, dnames, fnames in os.walk(moddir):
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for fname in fnames:
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path = os.path.join(root, fname)
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name, ext = os.path.splitext(fname)
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if ext == ".ko":
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if name not in modules:
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os.unlink(path)
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logger.debug("removed module {0}".format(path))
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else:
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# get the required firmware
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cmd = [self.lcmds.MODINFO, "-F", "firmware", path]
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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output = p.stdout.read()
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firmware |= set(output.split())
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# remove not needed firmware
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firmware = map(lambda fw: joinpaths(fwdir, fw), list(firmware))
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for root, dnames, fnames in os.walk(fwdir):
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for fname in fnames:
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path = joinpaths(root, fname)
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if path not in firmware:
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os.unlink(path)
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logger.debug("removed firmware {0}".format(path))
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# get the modules paths
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modpaths = {}
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for root, dnames, fnames in os.walk(moddir):
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for fname in fnames:
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modpaths[fname] = joinpaths(root, fname)
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# create the modules list
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modlist = {}
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for modtype, fname in (("scsi", "modules.block"),
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("eth", "modules.networking")):
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fname = joinpaths(moddir, fname)
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with open(fname, "r") as fobj:
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lines = map(lambda l: l.strip(), fobj.readlines())
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lines = filter(lambda l: l, lines)
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for line in lines:
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modname, ext = os.path.splitext(line)
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if (line not in modpaths or
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modname in ("floppy", "libiscsi", "scsi_mod")):
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continue
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cmd = [self.lcmds.MODINFO, "-F", "description", modpaths[line]]
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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output = p.stdout.read()
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try:
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desc = output.splitlines()[0]
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desc = desc.strip()[:65]
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except IndexError:
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desc = "{0} driver".format(modname)
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info = '{0}\n\t{1}\n\t"{2}"\n'
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info = info.format(modname, modtype, desc)
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modlist[modname] = info
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# write the module-info
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moduleinfo = joinpaths(os.path.dirname(moddir), "module-info")
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with open(moduleinfo, "w") as fobj:
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fobj.write("Version 0\n")
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for modname in sorted(modlist.keys()):
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fobj.write(modlist[modname])
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def compress_modules(self, kernel):
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moddir = joinpaths(self.root, "modules", kernel.version)
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for root, dnames, fnames in os.walk(moddir):
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for fname in filter(lambda f: f.endswith(".ko"), fnames):
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path = os.path.join(root, fname)
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with open(path, "rb") as fobj:
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data = fobj.read()
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gzipped = gzip.open("{0}.gz".format(path), "wb")
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gzipped.write(data)
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gzipped.close()
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os.unlink(path)
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def run_depmod(self, kernel):
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systemmap = "System.map-{0.version}".format(kernel)
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systemmap = joinpaths(self.root, "boot", systemmap)
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cmd = [self.lcmds.DEPMOD, "-a", "-F", systemmap, "-b", self.root,
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kernel.version]
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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rc = p.wait()
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if not rc == 0:
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logger.critical(p.stdout.read())
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sys.exit(1)
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moddir = joinpaths(self.root, "modules", kernel.version)
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# remove *map files
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mapfiles = joinpaths(moddir, "*map")
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for fpath in glob.glob(mapfiles):
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os.unlink(fpath)
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# remove build and source symlinks
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for fname in ["build", "source"]:
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os.unlink(joinpaths(moddir, fname))
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def create_gconf(self):
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gconfdir = joinpaths(self.root, ".gconf/desktop")
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os.makedirs(gconfdir)
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touch(joinpaths(gconfdir, "%gconf.xml"))
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gconfdir = joinpaths(gconfdir, "gnome")
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os.mkdir(gconfdir)
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touch(joinpaths(gconfdir, "%gconf.xml"))
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gconfdir = joinpaths(gconfdir, "interface")
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os.mkdir(gconfdir)
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text = """<?xml version="1.0"?>
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<gconf>
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<entry name="accessibility" mtime="1176200664" type="bool" value="true">
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</entry>
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<entry name="at-spi-corba" mtime="1176200664" type="bool" value="true">
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</entry>
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</gconf>
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"""
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with open(joinpaths(gconfdir, "%gconf.xml"), "w") as fobj:
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fobj.write(text)
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def move_repos(self):
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src = joinpaths(self.root, "etc/yum.repos.d")
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dst = joinpaths(self.root, "etc/anaconda.repos.d")
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shutil.move(src, dst)
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def create_depmod_conf(self):
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text = "search updates built-in\n"
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with open(joinpaths(self.root, "etc/depmod.d/dd.conf"), "w") as fobj:
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fobj.write(text)
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# XXX
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def misc_tree_modifications(self):
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# replace init with anaconda init
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src = joinpaths(self.root, "usr", self.libdir, "anaconda", "init")
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dst = joinpaths(self.root, "sbin", "init")
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os.unlink(dst)
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shutil.copy2(src, dst)
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# init symlinks
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target = "/sbin/init"
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name = joinpaths(self.root, "init")
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os.symlink(target, name)
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for fname in ["halt", "poweroff", "reboot"]:
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name = joinpaths(self.root, "sbin", fname)
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os.unlink(name)
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os.symlink("init", name)
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for fname in ["runlevel", "shutdown", "telinit"]:
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name = joinpaths(self.root, "sbin", fname)
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os.unlink(name)
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# mtab symlink
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target = "/proc/mounts"
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name = joinpaths(self.root, "etc", "mtab")
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os.symlink(target, name)
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# create resolv.conf
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touch(joinpaths(self.root, "etc", "resolv.conf"))
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def get_config_files(self, src_dir):
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# anaconda needs to change a couple of the default gconf entries
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gconf = joinpaths(self.root, "etc", "gconf", "gconf.xml.defaults")
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# 0 - path, 1 - entry type, 2 - value
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gconf_settings = \
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[("/apps/metacity/general/button_layout", "string", ":"),
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("/apps/metacity/general/action_right_click_titlebar",
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"string", "none"),
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("/apps/metacity/window_keybindings/close", "string", "disabled"),
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("/apps/metacity/global_keybindings/run_command_window_screenshot",
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"string", "disabled"),
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("/apps/metacity/global_keybindings/run_command_screenshot",
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"string", "disabled"),
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("/desktop/gnome/interface/accessibility", "bool", "true"),
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("/desktop/gnome/interface/at-spi-corba", "bool", "false")]
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for path, entry_type, value in gconf_settings:
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cmd = [self.lcmds.GCONFTOOL, "--direct",
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"--config-source=xml:readwrite:{0}".format(gconf),
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"-s", "-t", entry_type, path, value]
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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p.wait()
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# get rsyslog config
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src = joinpaths(src_dir, "rsyslog.conf")
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dst = joinpaths(self.root, "etc")
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shutil.copy2(src, dst)
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# get .bash_history
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src = joinpaths(src_dir, ".bash_history")
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dst = joinpaths(self.root, "root")
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shutil.copy2(src, dst)
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# get .profile
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src = joinpaths(src_dir, ".profile")
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dst = joinpaths(self.root, "root")
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shutil.copy2(src, dst)
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# get libuser.conf
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src = joinpaths(src_dir, "libuser.conf")
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dst = joinpaths(self.root, "etc")
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shutil.copy2(src, dst)
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# get selinux config
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if os.path.exists(joinpaths(self.root, "etc/selinux/targeted")):
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src = joinpaths(src_dir, "selinux.config")
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dst = joinpaths(self.root, "etc/selinux", "config")
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shutil.copy2(src, dst)
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def setup_sshd(self, src_dir):
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# get sshd config
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src = joinpaths(src_dir, "sshd_config.anaconda")
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dst = joinpaths(self.root, "etc", "ssh")
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shutil.copy2(src, dst)
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src = joinpaths(src_dir, "pam.sshd")
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dst = joinpaths(self.root, "etc", "pam.d", "sshd")
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shutil.copy2(src, dst)
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dst = joinpaths(self.root, "etc", "pam.d", "login")
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shutil.copy2(src, dst)
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dst = joinpaths(self.root, "etc", "pam.d", "remote")
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shutil.copy2(src, dst)
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# enable root shell logins and
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# 'install' account that starts anaconda on login
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passwd = joinpaths(self.root, "etc", "passwd")
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with open(passwd, "a") as fobj:
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fobj.write("sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin\n")
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fobj.write("install:x:0:0:root:/root:/sbin/loader\n")
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shadow = joinpaths(self.root, "etc", "shadow")
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with open(shadow, "a") as fobj:
|
|
fobj.write("root::14438:0:99999:7:::\n")
|
|
fobj.write("install::14438:0:99999:7:::\n")
|
|
|
|
# change permissions
|
|
chmod_(shadow, 400)
|
|
|
|
def get_anaconda_portions(self):
|
|
src = joinpaths(self.root, "usr", self.libdir, "anaconda", "loader")
|
|
dst = joinpaths(self.root, "sbin")
|
|
shutil.copy2(src, dst)
|
|
|
|
src = joinpaths(self.root, "usr/share/anaconda", "loader.tr")
|
|
dst = joinpaths(self.root, "etc")
|
|
shutil.move(src, dst)
|
|
|
|
src = joinpaths(self.root, "usr/libexec/anaconda", "auditd")
|
|
dst = joinpaths(self.root, "sbin")
|
|
shutil.copy2(src, dst)
|
|
|
|
def compress(self, initrd):
|
|
chdir = lambda: os.chdir(self.root)
|
|
|
|
start = time.time()
|
|
|
|
find = subprocess.Popen([self.lcmds.FIND, "."], stdout=subprocess.PIPE,
|
|
preexec_fn=chdir)
|
|
|
|
cpio = subprocess.Popen([self.lcmds.CPIO, "--quiet", "-c", "-o"],
|
|
stdin=find.stdout, stdout=subprocess.PIPE,
|
|
preexec_fn=chdir)
|
|
|
|
gzipped = gzip.open(initrd.fpath, "wb")
|
|
gzipped.write(cpio.stdout.read())
|
|
gzipped.close()
|
|
|
|
elapsed = time.time() - start
|
|
|
|
return True, elapsed
|
|
|
|
@property
|
|
def kernels(self):
|
|
kerneldir = "boot"
|
|
if self.basearch == "ia64":
|
|
kerneldir = "boot/efi/EFI/redhat"
|
|
|
|
kerneldir = joinpaths(self.root, kerneldir)
|
|
kpattern = re.compile(r"vmlinuz-(?P<ver>[-._0-9a-z]+?"
|
|
r"(?P<pae>(PAE)?)(?P<xen>(xen)?))$")
|
|
|
|
kernels = []
|
|
for fname in os.listdir(kerneldir):
|
|
m = kpattern.match(fname)
|
|
if m:
|
|
type = constants.K_NORMAL
|
|
if m.group("pae"):
|
|
type = constants.K_PAE
|
|
elif m.group("xen"):
|
|
type = constants.K_XEN
|
|
|
|
kernels.append(DataHolder(fname=fname,
|
|
fpath=joinpaths(kerneldir, fname),
|
|
version=m.group("ver"),
|
|
type=type))
|
|
|
|
kernels = sorted(kernels, key=operator.attrgetter("type"))
|
|
return kernels
|