Source code for dak.clean_queues

#! /usr/bin/env python3

""" Clean incoming of old unused files """
# Copyright (C) 2000, 2001, 2002, 2006  James Troup <james@nocrew.org>

# 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

################################################################################

# <aj> Bdale, a ham-er, and the leader,
# <aj> Willy, a GCC maintainer,
# <aj> Lamont-work, 'cause he's the top uploader....
# <aj>         Penguin Puff' save the day!
# <aj> Porting code, trying to build the world,
# <aj> Here they come just in time...
# <aj>         The Penguin Puff' Guys!
# <aj> [repeat]
# <aj> Penguin Puff'!
# <aj> willy: btw, if you don't maintain gcc you need to start, since
#      the lyrics fit really well that way

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import os
import os.path
import stat
import sys
import time
from datetime import datetime
import apt_pkg
from daklib import utils
from daklib import daklog
from daklib.config import Config

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Options = None
Logger = None
del_dir = None
delete_date = None

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[docs]def usage(exit_code=0): print("""Usage: dak clean-queues [OPTIONS] Clean out incoming directories. -d, --days=DAYS remove anything older than DAYS old -i, --incoming=INCOMING the incoming directory to clean -n, --no-action don't do anything -v, --verbose explain what is being done -h, --help show this help and exit""") sys.exit(exit_code)
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[docs]def init(cnf): global delete_date, del_dir # Used for directory naming now_date = datetime.now() # Used for working out times delete_date = int(time.time()) - (int(Options["Days"]) * 84600) morguedir = cnf.get("Dir::Morgue", os.path.join("Dir::Pool", 'morgue')) morguesubdir = cnf.get("Clean-Queues::MorgueSubDir", 'queue') # Build directory as morguedir/morguesubdir/year/month/day del_dir = os.path.join(morguedir, morguesubdir, str(now_date.year), '%.2d' % now_date.month, '%.2d' % now_date.day) # Ensure a directory exists to remove files to if not Options["No-Action"]: if not os.path.exists(del_dir): os.makedirs(del_dir, 0o2775) if not os.path.isdir(del_dir): utils.fubar("%s must be a directory." % (del_dir)) # Move to the directory to clean incoming = Options.get("Incoming") if not incoming: incoming = cnf.get('Dir::Unchecked') if not incoming: utils.fubar("Cannot find 'unchecked' directory") try: os.chdir(incoming) except OSError as e: utils.fubar("Cannot chdir to %s" % incoming)
# Remove a file to the morgue
[docs]def remove(from_dir, f): fname = os.path.basename(f) if os.access(f, os.R_OK): Logger.log(["move file to morgue", from_dir, fname, del_dir]) if Options["Verbose"]: print("Removing '%s' (to '%s')." % (fname, del_dir)) if Options["No-Action"]: return dest_filename = os.path.join(del_dir, fname) # If the destination file exists; try to find another filename to use if os.path.exists(dest_filename): dest_filename = utils.find_next_free(dest_filename, 10) Logger.log(["change destination file name", os.path.basename(dest_filename)]) utils.move(f, dest_filename, 0o660) else: Logger.log(["skipping file because of permission problem", fname]) utils.warn("skipping '%s', permission denied." % fname)
# Removes any old files. # [Used for Incoming/REJECT] #
[docs]def flush_old(): Logger.log(["check Incoming/REJECT for old files", os.getcwd()]) for f in os.listdir('.'): if os.path.isfile(f): if os.stat(f)[stat.ST_MTIME] < delete_date: remove('Incoming/REJECT', f) else: if Options["Verbose"]: print("Skipping, too new, '%s'." % (os.path.basename(f)))
# Removes any files which are old orphans (not associated with a valid .changes file). # [Used for Incoming] #
[docs]def flush_orphans(): all_files = {} changes_files = [] Logger.log(["check Incoming for old orphaned files", os.getcwd()]) # Build up the list of all files in the directory for i in os.listdir('.'): if os.path.isfile(i): all_files[i] = 1 if i.endswith(".changes"): changes_files.append(i) # Proces all .changes and .dsc files. for changes_filename in changes_files: try: changes = utils.parse_changes(changes_filename) files = utils.build_file_list(changes) except: utils.warn("error processing '%s'; skipping it. [Got %s]" % (changes_filename, sys.exc_info()[0])) continue dsc_files = {} for f in files.keys(): if f.endswith(".dsc"): try: dsc = utils.parse_changes(f, dsc_file=True) dsc_files = utils.build_file_list(dsc, is_a_dsc=True) except: utils.warn("error processing '%s'; skipping it. [Got %s]" % (f, sys.exc_info()[0])) continue # Ensure all the files we've seen aren't deleted keys = [] for i in (files.keys(), dsc_files.keys(), [changes_filename]): keys.extend(i) for key in keys: if key in all_files: if Options["Verbose"]: print("Skipping, has parents, '%s'." % (key)) del all_files[key] # Anthing left at this stage is not referenced by a .changes (or # a .dsc) and should be deleted if old enough. for f in all_files.keys(): if os.stat(f)[stat.ST_MTIME] < delete_date: remove('Incoming', f) else: if Options["Verbose"]: print("Skipping, too new, '%s'." % (os.path.basename(f)))
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[docs]def main(): global Options, Logger cnf = Config() for i in ["Help", "Incoming", "No-Action", "Verbose"]: key = "Clean-Queues::Options::%s" % i if key not in cnf: cnf[key] = "" if "Clean-Queues::Options::Days" not in cnf: cnf["Clean-Queues::Options::Days"] = "14" Arguments = [('h', "help", "Clean-Queues::Options::Help"), ('d', "days", "Clean-Queues::Options::Days", "IntLevel"), ('i', "incoming", "Clean-Queues::Options::Incoming", "HasArg"), ('n', "no-action", "Clean-Queues::Options::No-Action"), ('v', "verbose", "Clean-Queues::Options::Verbose")] apt_pkg.parse_commandline(cnf.Cnf, Arguments, sys.argv) Options = cnf.subtree("Clean-Queues::Options") if Options["Help"]: usage() Logger = daklog.Logger('clean-queues', Options['No-Action']) init(cnf) if Options["Verbose"]: print("Processing incoming...") flush_orphans() reject = cnf["Dir::Reject"] if os.path.exists(reject) and os.path.isdir(reject): if Options["Verbose"]: print("Processing reject directory...") os.chdir(reject) flush_old() Logger.close()
####################################################################################### if __name__ == '__main__': main()