old-www/HOWTO/RedHat-CD-HOWTO/rhcd-scripts/splitdistro8.0

319 lines
8.9 KiB
Python

#!/usr/bin/python2.2
# $Id: splitdistro,v 1.5 2002/11/07 13:27:52 luigi Exp $
######
#
# Copyright 2002 Luigi Bitonti
#
# Copyright 2002 Redhat Inc.
#
# This program is a modified version of the splitdistro
# script included in anaconda 8.0.4 (Redhat Linux installer).
#
# This programis free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# These dirs, along with RPMS, make up disc 2
disc2dirs = [ "preview" ]
# These files appear on all binary CDs
jointfiles = [ "beta_eula.txt", "RPM-GPG-KEY", "README", "GPL", "EULA"]
targetSize = 648 * 1024.0 * 1024.0
# Leave about 1.2MB of space on the disc
fudgeFactor = 1.2 * 1024 * 1024
# rough estimate of the size of the comps package -- we don't create it
# until after we run splitdistro but need to leave room for it on CD1
compsSize = 10.0 * 1024 * 1024
#-----------------
import sys
import os
import os.path
import string
import getopt
import time
import types
def stamp(path, releasestr, num, arch, startedAt, dirInfo):
try:
os.unlink("%s/.discinfo" % path)
except:
pass
f = open("%s/.discinfo" % path, "w")
f.write("%f\n" % startedAt)
f.write("%s\n" % releasestr)
f.write("%s\n" % arch)
f.write("%s\n" % num)
if dirInfo is not None:
for item in dirInfo:
f.write("%s\n" % item)
f.close()
def moveFiles(srcDir, destDir, files):
for fn in files:
src = "%s/%s" % (srcDir, fn)
dest = "%s/%s" % (destDir, fn)
try:
os.rename(src, dest)
except:
print "in moveFiles, src was %s, dest was %s" % (src, dest)
raise RuntimeError
def linkFile(srcDir, destDir, file):
for file in jointfiles:
src = "%s/%s" % (srcDir, file)
dest = "%s/%s" %(destDir, file)
try:
os.link(src, dest)
except OSError, (errno, msg):
pass
# print "**** WARNING linking %s to %s: %s" % (src, dest, msg)
def excessFiles(path, fileList, maxSize):
total = 0
moveList = []
found = 0
for fns in fileList:
if type(fns) == types.StringType:
fns = [ fns ]
size = 0
for fn in fns:
thisSize = os.path.getsize(path + "/" + fn)
size = size + thisSize + ((thisSize + 2047) % 2048)
if size + total < maxSize:
total = total + size
else:
# once we're done, we're done
if found == 0:
# print "straw was %s" % (fns,)
found = 1
total = maxSize
moveList.extend(fns)
return moveList
class DirectoryIterator:
def __init__(self):
self.inodes = {}
def traverse (self, arg, dirname, names):
for name in names:
sb = os.lstat (dirname + "/" + name)
if not self.inodes.has_key(sb[1]):
self.inodes[sb[1]] = sb[6]
def total(self):
total = 0
for size in self.inodes.values():
total = total + size
return total
def spaceUsed(path):
foo = DirectoryIterator()
os.path.walk (path, foo.traverse, None)
return foo.total()
fns = {}
(args, extra) = getopt.getopt(sys.argv[1:], '', [ 'fileorder=', 'release=' ])
if len(extra) != 2:
print "splitdistro --fileorder <file> [--release <comment>] <toppath> <arch>"
sys.exit(1)
releasestr = ""
packageOrderFile = None
for n in args:
(str, arg) = n
if str == '--fileorder':
packageOrderFile = arg
if str == '--release':
releasestr = arg
if not packageOrderFile:
print "splitdistro --fileorder <file> [--release <comment>] <toppath> <arch>"
sys.exit(1)
arch = extra[1]
distDir = os.path.normpath(extra[0] + "/" + arch)
srcDir = os.path.normpath(extra[0] + "/" + arch + "/SRPMS")
if not os.access("%s/.discinfo" %(distDir,), os.O_RDONLY):
startedAt = time.time()
dirInfo = None
else:
f = open("%s/.discinfo" %(distDir,), "r")
startedAt = string.atof(f.readline()[:-1])
releasestr = f.readline()[:-1]
newarch = f.readline()[:-1]
if newarch != arch:
raise RuntimeError, "Passed arch doesn't match arch in .discinfo file"
# throw out discnum
f.readline()
# basedir, packagedir, and pixmapdir
dirInfo = [ f.readline()[:-1], f.readline()[:-1], f.readline()[:-1] ]
if not os.path.isdir(distDir):
print "error: %s is not a directory" % distDir
sys.exit(1)
if not os.path.isdir(srcDir):
includeSRPMS = 0
else:
includeSRPMS = 1
# print "error: %s is not a directory" % srcDir
# sys.exit(1)
disc1Dir = distDir + "-disc1"
disc2Dir = distDir + "-disc2"
disc3Dir = distDir + "-disc3"
disc1SrcDir = distDir + "-disc3"
disc2SrcDir = distDir + "-disc4"
disc3SrcDir = distDir + "-disc5"
id = 0
files = os.listdir(distDir + "/RedHat/RPMS")
files.sort()
packages = {}
for file in files:
l = string.split(file, ".")
pkg = string.join(l[:-2], ".")
if packages.has_key(pkg):
packages[pkg].append(file)
else:
packages[pkg] = [ file ]
f = open(packageOrderFile, "r")
binPkgList = []
for pkg in f.readlines():
# chop
pkg = pkg[:len(pkg) - 1]
if pkg[0:8] != "warning:":
binPkgList.append(packages[pkg])
del f
print "Splitting tree..."
totalsize = spaceUsed(distDir)
rpmsize = spaceUsed(distDir + "/RedHat/RPMS")
dirsize = 0
for dir in disc2dirs:
what = distDir + "/" + dir
if os.access(what, os.R_OK):
dirsize = dirsize + spaceUsed(distDir + "/" + dir)
srpmsize = spaceUsed(distDir + "/SRPMS")
disc1used = totalsize - rpmsize - dirsize - srpmsize
os.system("rm -rf %s %s %s %s" % ( disc1Dir, disc2Dir, disc1SrcDir,
disc2SrcDir))
os.system("mkdir -p %s %s/SRPMS %s/SRPMS %s/RedHat/RPMS %s/RedHat/RPMS %s/SRPMS" %
(disc1Dir, disc1SrcDir, disc2SrcDir, disc2Dir,
disc3Dir, disc3SrcDir))
print "Creating disc1..."
os.system("cp -al %s/. %s" % (distDir, disc1Dir))
stamp(disc1Dir, releasestr, "1", arch, startedAt, dirInfo)
# remove the srpms dir from disc1 since it shouldn't be there
os.system("rm -rf %s/SRPMS" % (disc1Dir,))
print "Creating disc2..."
stamp(disc2Dir, releasestr, "2", arch, startedAt, dirInfo)
for file in jointfiles:
linkFile(disc1Dir, disc2Dir, file)
print targetSize / (1024.0 * 1024.0)
print disc1used / (1024.0 * 1024.0)
print fudgeFactor / (1024.0 * 1024.0)
print compsSize / (1024.0 * 1024.0)
print (targetSize - disc1used - fudgeFactor - compsSize) / (1024.0 * 1024.0)
disc2pkgs = excessFiles(distDir + "/RedHat/RPMS", binPkgList,
targetSize - disc1used - fudgeFactor - compsSize)
if (len(disc2pkgs) != 0):
print "first to move to disc2 is", disc2pkgs[0]
moveFiles("%s/RedHat/RPMS" % disc1Dir,
"%s/RedHat/RPMS" % disc2Dir,
disc2pkgs);
disc1Size = spaceUsed(disc1Dir)
print "Creating disc3..."
stamp(disc3Dir, releasestr, "3", arch, startedAt, dirInfo)
for file in jointfiles:
linkFile(disc1Dir, disc2Dir, file)
disc3pkgs = excessFiles(distDir + "/RedHat/RPMS", binPkgList,
targetSize + disc1Size - disc1used - fudgeFactor)
if (len(disc3pkgs) != 0):
print "first to move to disc3 is", disc3pkgs[0]
moveFiles("%s/RedHat/RPMS" % disc2Dir,
"%s/RedHat/RPMS" % disc3Dir,
disc3pkgs);
disc3used = spaceUsed(disc3Dir)
if includeSRPMS:
print "Creating first source disc..."
os.system("cp -al %s %s" % (srcDir, disc1SrcDir))
print "Creating second source disc..."
stamp(disc2SrcDir, releasestr, "4", arch, startedAt, dirInfo)
srcPkgList = os.listdir("%s/SRPMS" % disc1SrcDir)
srcPkgList.sort()
srcPkgList.reverse()
disc2pkgs = excessFiles(srcDir, srcPkgList,
targetSize - disc3used - fudgeFactor)
if (len(disc2pkgs) != 0):
print "first src pkg to move to 2nd src cd is", disc2pkgs[0]
moveFiles("%s/SRPMS" % disc1SrcDir,
"%s/SRPMS" % disc2SrcDir,
disc2pkgs);
srcDisc1Size = spaceUsed(disc1SrcDir)
print "Dropping remainder of sources on third disc..."
stamp(disc3SrcDir, releasestr, "5", arch, startedAt, dirInfo)
disc3pkgs = excessFiles(srcDir, srcPkgList,
srcDisc1Size - disc3used + targetSize - fudgeFactor)
if (len(disc3pkgs) != 0):
print "first src pkg to move to 3rd src cd is", disc3pkgs[0]
moveFiles("%s/SRPMS" % disc2SrcDir,
"%s/SRPMS" % disc3SrcDir,
disc3pkgs)
#sys.exit(0)
sys.stdout.flush()
os.system("du -sh %s %s %s %s %s" % (disc1Dir, disc2Dir, disc3Dir,
disc2SrcDir, disc3SrcDir))