#!/usr/bin/python -tt # 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. import sys sys.path.insert(0,'/usr/share/yum-cli') import yum from yum.misc import setup_locale from utils import YumUtilBase import logging import os import os.path try: from yum.misc import find_unfinished_transactions, find_ts_remaining except ImportError: import glob def find_unfinished_transactions(yumlibpath='/var/lib/yum'): """returns a list of the timestamps from the filenames of the unfinished transactions remaining in the yumlibpath specified. """ timestamps = [] tsallg = '%s/%s' % (yumlibpath, 'transaction-all*') #tsdoneg = '%s/%s' % (yumlibpath, 'transaction-done*') # not used remove ? tsalls = glob.glob(tsallg) #tsdones = glob.glob(tsdoneg) # not used remove ? for fn in tsalls: trans = os.path.basename(fn) timestamp = trans.replace('transaction-all.','') timestamps.append(timestamp) timestamps.sort() return timestamps def find_ts_remaining(timestamp, yumlibpath='/var/lib/yum'): """this function takes the timestamp of the transaction to look at and the path to the yum lib dir (defaults to /var/lib/yum) returns a list of tuples(action, pkgspec) for the unfinished transaction elements. Returns an empty list if none. """ to_complete_items = [] tsallpath = '%s/%s.%s' % (yumlibpath, 'transaction-all', timestamp) tsdonepath = '%s/%s.%s' % (yumlibpath,'transaction-done', timestamp) tsdone_items = [] if not os.path.exists(tsallpath): # something is wrong, here, probably need to raise _something_ return to_complete_items if os.path.exists(tsdonepath): tsdone_fo = open(tsdonepath, 'r') tsdone_items = tsdone_fo.readlines() tsdone_fo.close() tsall_fo = open(tsallpath, 'r') tsall_items = tsall_fo.readlines() tsall_fo.close() for item in tsdone_items: # this probably shouldn't happen but it's worth catching anyway if item not in tsall_items: continue tsall_items.remove(item) for item in tsall_items: item = item.replace('\n', '') if item == '': continue (action, pkgspec) = item.split() to_complete_items.append((action, pkgspec)) return to_complete_items class YumCompleteTransaction(YumUtilBase): NAME = 'yum-complete-transaction' VERSION = '1.0' USAGE = """ yum-complete-transaction: completes unfinished yum transactions which occur due to error, failure or act of $deity usage: yum-complete-transaction """ def __init__(self): YumUtilBase.__init__(self, YumCompleteTransaction.NAME, YumCompleteTransaction.VERSION, YumCompleteTransaction.USAGE) self.logger = logging.getLogger("yum.verbose.cli.yumcompletets") # Add util commandline options to the yum-cli ones self.optparser = self.getOptionParser() if hasattr(self, 'getOptionGroup'): self.optparser_grp = self.getOptionGroup() else: self.optparser_grp = self.optparser self.addCmdOptions() try: self.main() finally: self.unlock() def clean_up_ts_files(self, timestamp, path, disable=False): # clean up the transactions tsdone = '%s/transaction-done.%s' % (path, timestamp) tsall = '%s/transaction-all.%s' % (path, timestamp) results = [] for f in [tsall, tsdone]: if os.path.exists(f): if disable: disable_f = f + '.disabled' os.rename(f, disable_f) results.append(disable_f) else: os.unlink(f) return results def addCmdOptions(self): self.optparser_grp.add_option("--cleanup-only", default=False, action="store_true", dest="cleanup", help='Do not complete the transaction just clean up transaction journals') def main(self): # Parse the commandline option and setup the basics. try: opts = self.doUtilConfigSetup() except yum.Errors.RepoError, e: self.logger.error("Cannot handle specific enablerepo/disablerepo options.") sys.exit(50) if self.conf.uid != 0: self.logger.error("Error: You must be root to run yum-complete-transaction.") sys.exit(1) # Setup yum (Ts, RPM db, Repo & Sack) self.doUtilYumSetup() # Do the real action # get the list of transactions remaining # list the number of them # take the most recent one # populate the ts # run it self.run_with_package_names.add('yum-utils') times = [] for thistime in find_unfinished_transactions(self.conf.persistdir): if thistime.endswith('disabled'): continue # XXX maybe a check here for transactions that are just too old to try and complete? times.append(thistime) if not times: print "No unfinished transactions left." sys.exit() if opts.cleanup: print "Cleaning up unfinished transaction journals" # nuke ts files in yumlibpath for timestamp in times: print "Cleaning up %s" % timestamp self.clean_up_ts_files(timestamp, self.conf.persistdir) sys.exit() timestamp = times[-1] print "There are %d outstanding transactions to complete. Finishing the most recent one" % len(times) try: remaining = find_ts_remaining(timestamp, yumlibpath=self.conf.persistdir) except yum.Errors.MiscError, e: self.logger.error("Error: %s" % e) self.logger.error("Please report this error to: %s" % self.conf.bugtracker_url) sys.exit(1) print "The remaining transaction had %d elements left to run" % len(remaining) for (action, pkgspec) in remaining: if action == 'install': try: self.install(pattern=pkgspec) except yum.Errors.InstallError, e: pass if action == 'erase': (e, m, u) = self.rpmdb.matchPackageNames([pkgspec]) for pkg in e: self.remove(po=pkg) current_count = len(self.tsInfo) if hasattr(self, 'doUtilBuildTransaction'): errc = self.doUtilBuildTransaction(unfinished_transactions_check=False) if errc: sys.exit(errc) else: try: self.buildTransaction(unfinished_transactions_check=False) except yum.Errors.YumBaseError, e: self.logger.critical("Error building transaction: %s" % e) sys.exit(1) if current_count != len(self.tsInfo): print '\n\nTransaction size changed - this means we are not doing the\n' \ 'same transaction as we were before. Aborting and disabling\n' \ 'this transaction.' print '\nYou could try running: package-cleanup --problems\n' \ ' package-cleanup --dupes\n' \ ' rpm -Va --nofiles --nodigest' filelist = self.clean_up_ts_files(timestamp, self.conf.persistdir, disable=True) print '\nTransaction files renamed to:\n %s' % '\n '.join(filelist) sys.exit() if len(self.tsInfo) < 1: print 'Nothing in the unfinished transaction to cleanup.' print "Cleaning up completed transaction file" self.clean_up_ts_files(timestamp, self.conf.persistdir) sys.exit() else: try: if self.doUtilTransaction() == 0: print "Cleaning up completed transaction file" self.clean_up_ts_files(timestamp, self.conf.persistdir) sys.exit() else: print "Not removing old transaction files" sys.exit() except yum.Errors.YumBaseError,e: print "Error: %s" % str(e) sys.exit(1) if __name__ == '__main__': setup_locale() util = YumCompleteTransaction()

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