#!/usr/bin/env python2.2 # Copyright (C) 2003 Red Hat, Inc. # # This program is 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 # import sys import os import os.path import string import getopt import time import types import rpm global _ts _ts = None # returns n-v-r.a from file filename def nvra(pkgfile): global _ts if _ts is None: _ts = rpm.TransactionSet() _ts.setVSFlags(-1) fd = os.open(pkgfile, os.O_RDONLY) h = _ts.hdrFromFdno(fd) os.close(fd) return "%s-%s-%s.%s.rpm" %(h['name'], h['version'], h['release'], h['arch']) class Timber: """Split trees like no other""" def __init__(self): """self.release_str : the name and version of the product, ie "Red Hat Linux 9" self.package_order_file : the location of the file which has the package ordering self.arch : the arch the tree is intended for self.real_arch : the arch found in the unified tree's .discinfo file self.dist_dir : the loaction of the unified tree self.src_dir : the location of the unified SRPM dir self.start_time : the timestamp that's in .discinfo files self.dir_info : The info other than start_time that goes into the .discinfo files. The info should already exist after running buildinstall in the unified tree self.total_discs : total number of discs self.total_bin_discs : total number of discs with RPMs self.total_srpm_discs : total number of discs with SRPMs self.reverse_sort_srpms : sort the srpms in reverse order to fit. Usually only needed if we share a disc between SRPMs and RPMs. Set to 1 to turn on.""" self.target_size = 640.0 * 1024.0 * 1024 self.fudge_factor = 1.2 * 1024.0 * 1024 self.comps_size = 10.0 * 1024 * 1024 self.release_str = None self.package_order_file = None self.arch = None self.real_arch = None self.dist_dir = None self.src_dir = None self.start_time = None self.dir_info = None self.total_discs = None self.bin_discs = None self.src_discs = None self.bin_list = [] self.src_list = [] self.shared_list = [] self.reverse_sort_srpms=None self.common_files = ['beta_eula.txt', 'EULA', 'README', 'GPL', 'RPM-GPG-KEY', 'RPM-GPG-KEY-beta'] self.logfile = [] def getSize(seld, path, blocksize=None): """Gets the size as reported by du -s""" if blocksize: p = os.popen("du -s --block-size=1 %s" % path, 'r') thesize = p.read() p.close() thesize = int(string.split(thesize)[0]) return thesize else: p = os.popen("du -sh %s" % path, 'r') thesize = p.read() p.close() thesize = string.split(thesize)[0] return thesize def reportSizes(self, disc, firstpkg=None, lastpkg=None): """appends to self.logfile""" if firstpkg: self.logfile.append("First package on disc%d: %s" % (disc, firstpkg)) if lastpkg: self.logfile.append("Last package on disc%d : %s" % (disc, lastpkg)) discsize = self.getSize("%s-disc%d" % (self.dist_dir, disc)) self.logfile.append("%s-disc%d size: %s" % (self.arch, disc, discsize)) def createDiscInfo(self, discnumber): """creates the .discinfo files in the split trees""" if not os.path.exists("%s/.discinfo" % self.dist_dir): raise RuntimeError, "CRITICAL ERROR : .discinfo doesn't exist in the unified tree, not splitting" # if start_time isn't set then we haven't got this info yet if not self.start_time: file = open("%s/.discinfo" % (self.dist_dir), 'r') self.start_time = string.atof(file.readline()[:-1]) self.release_str = file.readline()[:-1] self.real_arch = file.readline()[:-1] if self.real_arch != self.arch: raise RuntimeError, "CRITICAL ERROR : self.real_arch is not the same as self.arch" # skip the disc number line from the unified tree file.readline() # basedir, packagedir, and pixmapdir self.dir_info = [file.readline()[:-1], file.readline()[:-1], file.readline()[:-1]] file.close() discinfo_file = open("%s-disc%d/.discinfo" % (self.dist_dir, discnumber), 'w') discinfo_file.write("%s\n" % self.start_time) discinfo_file.write(self.release_str + '\n') discinfo_file.write(self.real_arch + '\n') discinfo_file.write("%s\n" % discnumber) for i in range(0, len(self.dir_info)): discinfo_file.write(self.dir_info[i] + '\n') discinfo_file.close() def linkFiles(self, src_dir, dest_dir, filelist): """Creates hardlinks from files in the unified dir to files in the split dirs. This is not for RPMs or SRPMs""" for file in filelist: src = "%s/%s" % (src_dir, file) dest = "%s/%s" % (dest_dir, file) try: os.link(src, dest) except OSError, (errno, msg): pass def createSplitDirs(self): """Figures out which discs are for RPMs, which are for SRPMs, and which are shared. Also creates links for files on disc1 and files which are common across all discs""" if self.bin_discs > self.total_discs or self.src_discs > self.total_discs: raise RuntimeError, "CRITICAL ERROR : Number of discs specified exceeds the total number of discs" # get a list of discs for each type of disc. shared_list will # be returned for sorting out which discs SRPMS can land on self.bin_list = range(1, self.bin_discs + 1) self.src_list = range(self.total_discs - self.src_discs + 1, self.total_discs + 1) self.shared_list = range(self.total_discs - self.src_discs + 1, self.bin_discs + 1) for i in range(self.bin_list[0], self.bin_list[-1] + 1): if i == 1: p = os.popen('find %s -type f -not -name .discinfo' % self.dist_dir, 'r') filelist = p.read() p.close() filelist = string.split(filelist) p = os.popen('find %s -type d -not -name RPMS -not -name SRPMS' % self.dist_dir, 'r') dirlist = p.read() p.close() dirlist = string.split(dirlist) dont_create = [] # we need to clean up the dirlist first. We don't want everything yet for j in range(0, len(dirlist)): dirlist[j] = string.replace(dirlist[j], self.dist_dir, '') # now create the dirs for disc1 for j in range(0, len(dirlist)): os.makedirs("%s-disc%d/%s" % (self.dist_dir, i, dirlist[j])) for j in range(0, len(filelist)): filelist[j] = string.replace(filelist[j], self.dist_dir, '') try: os.link(os.path.normpath("%s/%s" % (self.dist_dir, filelist[j])), os.path.normpath("%s-disc%d/%s" % (self.dist_dir, i, filelist[j]))) except OSError, (errno, msg): pass # now create the RedHat/RPMS dir os.makedirs("%s-disc%d/RedHat/RPMS" % (self.dist_dir, i)) else: os.makedirs("%s-disc%d/RedHat/RPMS" % (self.dist_dir, i)) self.linkFiles(self.dist_dir, "%s-disc%d" %(self.dist_dir, i), self.common_files) self.createDiscInfo(i) for i in range(self.src_list[0], self.src_list[-1] + 1): os.makedirs("%s-disc%d/SRPMS" % (self.dist_dir, i)) self.linkFiles(self.dist_dir, "%s-disc%d" %(self.dist_dir, i), self.common_files) self.createDiscInfo(i) def splitRPMS(self, reportSize = 1): """Creates links in the split dirs for the RPMs""" packages = {} rpmlist = os.listdir("%s/RedHat/RPMS" % self.dist_dir) rpmlist.sort() # create the packages dictionary in this format: n-v-r.a:['n-v-r.arch.rpm'] for filename in rpmlist: filesize = os.path.getsize("%s/RedHat/RPMS/%s" % (self.dist_dir, filename)) pkg_nvr = nvra("%s/RedHat/RPMS/%s" %(self.dist_dir, filename)) if packages.has_key(pkg_nvr): # append in case we have multiple packages with the # same n-v-r. Ex: the kernel has multiple n-v-r's for # different arches packages[pkg_nvr].append(filename) else: packages[pkg_nvr] = [filename] orderedlist = [] # read the ordered pacakge list into orderedlist file = open(self.package_order_file, 'r') for pkg_nvr in file.readlines(): pkg_nvr = string.rstrip(pkg_nvr) if pkg_nvr[0:8] != "warning:": orderedlist.append(pkg_nvr) file.close() # last package is the last package placed on the disc lastpackage = '' # packagenum resets when we change discs. It's used to # determine the first package in the split tree and that's # about it packagenum = 0 disc = self.bin_list[0] for rpm_nvr in orderedlist: if not packages.has_key(rpm_nvr): continue for file_name in packages[rpm_nvr]: curused = self.getSize("%s-disc%s" % (self.dist_dir, disc), blocksize=1) filesize = self.getSize("%s/RedHat/RPMS/%s" % (self.dist_dir, file_name), blocksize=1) newsize = filesize + curused # compensate for the size of the comps package which has yet to be created if disc == 1: maxsize = self.target_size - self.comps_size else: maxsize = self.target_size packagenum = packagenum + 1 if packagenum == 1: firstpackage = file_name # move to the next disc if true if newsize > maxsize: self.reportSizes(disc, firstpkg=firstpackage, lastpkg=lastpackage) # try it, if we are already on the last disc then complain loudly try: nextdisc=self.bin_list.index(disc+1) disc = self.bin_list[nextdisc] os.link("%s/RedHat/RPMS/%s" % (self.dist_dir, file_name), "%s-disc%d/RedHat/RPMS/%s" % (self.dist_dir, disc, file_name)) packagenum = 1 firstpackage = file_name except: # back down to the last RPM disc and complain about the overflow disc = disc - 1 self.logfile.append("No more discs to put packages, overflowing on disc%d" % disc) continue else: os.link("%s/RedHat/RPMS/%s" % (self.dist_dir, file_name), "%s-disc%d/RedHat/RPMS/%s" % (self.dist_dir, disc, file_name)) lastpackage = file_name if reportSize == 1: self.reportSizes(disc, firstpkg=firstpackage, lastpkg=lastpackage) def getLeastUsedTree(self): """Returns the least full tree to use for SRPMS""" sizes = [] for i in range(0, len(self.src_list)): sizes.append([self.getSize("%s-disc%d" % (self.dist_dir, self.src_list[i]), blocksize=1), self.src_list[i]]) sizes.sort() return sizes[0] def splitSRPMS(self): """Puts the srpms onto the SRPM split discs. The packages are ordered by size, and placed one by one on the disc with the most space available""" srpm_list = [] srpm_disc_list = self.src_list # create a list of [[size, srpm]] for srpm in os.listdir("%s" % self.src_dir): srpm_size = self.getSize("%s/%s" % (self.src_dir, srpm), blocksize=1) srpm_list.append([srpm_size, srpm]) srpm_list.sort() srpm_list.reverse() for i in range(0, len(srpm_list)): # make sure that the src disc is within the size limits, # if it isn't, pull it out of the list. If there's only # one disk make loud noises over the overflow for disc in self.src_list: if self.getSize("%s-disc%s" % (self.dist_dir, disc), blocksize=1) > self.target_size: if len(self.src_list) < 2: self.logfile.append("Overflowing %s on disc%d" % (srpm_list[i][1], self.src_list[0])) break else: discsize = self.getSize("%s-disc%d" % (self.dist_dir, srpm_disc_list[i])) self.logfile.append("%s-disc%d size: %s" % (self.arch, disc, discsize)) self.src_list.pop(self.src_list.index(disc)) os.link("%s/%s" % (self.src_dir, srpm_list[i][1]), "%s-disc%d/SRPMS/%s" % (self.dist_dir, self.getLeastUsedTree()[1], srpm_list[i][1])) for i in range(0, len(srpm_disc_list)): self.reportSizes(srpm_disc_list[i]) def main(self): """Just runs everything""" self.createSplitDirs() self.splitRPMS() self.splitSRPMS() return self.logfile def usage(theerror): print theerror print """Usage: %s --arch=i386 --total-discs=6 --bin-discs=3 --src-discs=3 --release-string="Red Hat Linux" --pkgorderfile=/tmp/pkgorder.12345 --distdir=/usr/src/someunifiedtree --srcdir=/usr/src/someunifiedtree/SRPMS""" % sys.argv[0] sys.exit(1) if "__main__" == __name__: import getopt timber = Timber() theargs = ["arch=", "total-discs=", "bin-discs=", "src-discs=", "release-string=", "pkgorderfile=", "distdir=", "srcdir="] try: options, args = getopt.getopt(sys.argv[1:], '', theargs) except getopt.error, error: usage(msg) myopts = {} for i in options: myopts[i[0]] = i[1] options = myopts if options.has_key("--arch"): timber.arch = options['--arch'] else: usage("You forgot to specify --arch") if options.has_key("--total-discs"): timber.total_discs = int(options['--total-discs']) else: usage("You forgot to specify --total-discs") if options.has_key("--bin-discs"): timber.bin_discs = int(options['--bin-discs']) else: usage("You forgot to specify --bin-discs") if options.has_key("--src-discs"): timber.src_discs = int(options['--src-discs']) else: usage("You forgot to specify --src-discs") if options.has_key("--release-string"): timber.release_str = options["--release-string"] else: usage("You forgot to specify --release-string") if options.has_key("--pkgorderfile"): timber.package_order_file = options["--pkgorderfile"] else: usage("You forgot to specify --pkgorderfile") if options.has_key("--distdir"): timber.dist_dir = options["--distdir"] else: usage("You forgot to specify --distdir") if options.has_key("--srcdir"): timber.src_dir = options["--srcdir"] else: usage("You forgot to specify --srcdir") logfile = timber.main() for logentry in range(0, len(logfile)): print logfile[logentry] sys.exit(0)