dak/process_policy.py

   1 #!/usr/bin/env python
   2 # vim:set et ts=4 sw=4:
   3
   4 """ Handles packages from policy queues
   5
   6 @contact: Debian FTP Master <ftpmaster@debian.org>
   7 @copyright: 2001, 2002, 2003, 2004, 2005, 2006  James Troup <james@nocrew.org>
   8 @copyright: 2009 Joerg Jaspert <joerg@debian.org>
   9 @copyright: 2009 Frank Lichtenheld <djpig@debian.org>
  10 @copyright: 2009 Mark Hymers <mhy@debian.org>
  11 @license: GNU General Public License version 2 or later
  12 """
  13 # This program is free software; you can redistribute it and/or modify
  14 # it under the terms of the GNU General Public License as published by
  15 # the Free Software Foundation; either version 2 of the License, or
  16 # (at your option) any later version.
  17
  18 # This program is distributed in the hope that it will be useful,
  19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 # GNU General Public License for more details.
  22
  23 # You should have received a copy of the GNU General Public License
  24 # along with this program; if not, write to the Free Software
  25 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  26
  27 ################################################################################
  28
  29 # <mhy> So how do we handle that at the moment?
  30 # <stew> Probably incorrectly.
  31
  32 ################################################################################
  33
  34 import os
  35 import datetime
  36 import re
  37 import sys
  38 import traceback
  39 import apt_pkg
  40
  41 from daklib.dbconn import *
  42 from daklib import daklog
  43 from daklib import utils
  44 from daklib.dak_exceptions import CantOpenError, AlreadyLockedError, CantGetLockError
  45 from daklib.config import Config
  46 from daklib.archive import ArchiveTransaction
  47 from daklib.urgencylog import UrgencyLog
  48
  49 import daklib.announce
  50
  51 # Globals
  52 Options = None
  53 Logger = None
  54
  55 ################################################################################
  56
  57 def do_comments(dir, srcqueue, opref, npref, line, fn, transaction):
  58     session = transaction.session
  59     for comm in [ x for x in os.listdir(dir) if x.startswith(opref) ]:
  60         lines = open(os.path.join(dir, comm)).readlines()
  61         if len(lines) == 0 or lines[0] != line + "\n": continue
  62
  63         # If the ACCEPT includes a _<arch> we only accept that .changes.
  64         # Otherwise we accept all .changes that start with the given prefix
  65         changes_prefix = comm[len(opref):]
  66         if changes_prefix.count('_') < 2:
  67             changes_prefix = changes_prefix + '_'
  68         else:
  69             changes_prefix = changes_prefix + '.changes'
  70
  71         # We need to escape "_" as we use it with the LIKE operator (via the
  72         # SQLA startwith) later.
  73         changes_prefix = changes_prefix.replace("_", r"\_")
  74
  75         uploads = session.query(PolicyQueueUpload).filter_by(policy_queue=srcqueue) \
  76             .join(PolicyQueueUpload.changes).filter(DBChange.changesname.startswith(changes_prefix)) \
  77             .order_by(PolicyQueueUpload.source_id)
  78         for u in uploads:
  79             print "Processing changes file: %s" % u.changes.changesname
  80             fn(u, srcqueue, "".join(lines[1:]), transaction)
  81
  82         if opref != npref:
  83             newcomm = npref + comm[len(opref):]
  84             newcomm = utils.find_next_free(os.path.join(dir, newcomm))
  85             transaction.fs.move(os.path.join(dir, comm), newcomm)
  86
  87 ################################################################################
  88
  89 def try_or_reject(function):
  90     def wrapper(upload, srcqueue, comments, transaction):
  91         try:
  92             function(upload, srcqueue, comments, transaction)
  93         except Exception as e:
  94             comments = 'An exception was raised while processing the package:\n{0}\nOriginal comments:\n{1}'.format(traceback.format_exc(), comments)
  95             try:
  96                 transaction.rollback()
  97                 real_comment_reject(upload, srcqueue, comments, transaction)
  98             except Exception as e:
  99                 comments = 'In addition an exception was raised while trying to reject the upload:\n{0}\nOriginal rejection:\n{1}'.format(traceback.format_exc(), comments)
 100                 transaction.rollback()
 101                 real_comment_reject(upload, srcqueue, comments, transaction, notify=False)
 102         if not Options['No-Action']:
 103             transaction.commit()
 104     return wrapper
 105
 106 ################################################################################
 107
 108 @try_or_reject
 109 def comment_accept(upload, srcqueue, comments, transaction):
 110     for byhand in upload.byhand:
 111         path = os.path.join(srcqueue.path, byhand.filename)
 112         if os.path.exists(path):
 113             raise Exception('E: cannot ACCEPT upload with unprocessed byhand file {0}'.format(byhand.filename))
 114
 115     cnf = Config()
 116
 117     fs = transaction.fs
 118     session = transaction.session
 119     changesname = upload.changes.changesname
 120     allow_tainted = srcqueue.suite.archive.tainted
 121
 122     # We need overrides to get the target component
 123     overridesuite = upload.target_suite
 124     if overridesuite.overridesuite is not None:
 125         overridesuite = session.query(Suite).filter_by(suite_name=overridesuite.overridesuite).one()
 126
 127     def binary_component_func(db_binary):
 128         override = session.query(Override).filter_by(suite=overridesuite, package=db_binary.package) \
 129             .join(OverrideType).filter(OverrideType.overridetype == db_binary.binarytype) \
 130             .join(Component).one()
 131         return override.component
 132
 133     def source_component_func(db_source):
 134         override = session.query(Override).filter_by(suite=overridesuite, package=db_source.source) \
 135             .join(OverrideType).filter(OverrideType.overridetype == 'dsc') \
 136             .join(Component).one()
 137         return override.component
 138
 139     all_target_suites = [upload.target_suite]
 140     all_target_suites.extend([q.suite for q in upload.target_suite.copy_queues])
 141
 142     for suite in all_target_suites:
 143         if upload.source is not None:
 144             transaction.copy_source(upload.source, suite, source_component_func(upload.source), allow_tainted=allow_tainted)
 145         for db_binary in upload.binaries:
 146             # build queues may miss the source package if this is a binary-only upload
 147             if suite != upload.target_suite:
 148                 transaction.copy_source(db_binary.source, suite, source_component_func(db_binary.source), allow_tainted=allow_tainted)
 149             transaction.copy_binary(db_binary, suite, binary_component_func(db_binary), allow_tainted=allow_tainted, extra_archives=[upload.target_suite.archive])
 150
 151     # Copy .changes if needed
 152     if upload.target_suite.copychanges:
 153         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 154         dst = os.path.join(upload.target_suite.path, upload.changes.changesname)
 155         fs.copy(src, dst, mode=upload.target_suite.archive.mode)
 156
 157     # Copy upload to Process-Policy::CopyDir
 158     # Used on security.d.o to sync accepted packages to ftp-master, but this
 159     # should eventually be replaced by something else.
 160     copydir = cnf.get('Process-Policy::CopyDir') or None
 161     if copydir is not None:
 162         mode = upload.target_suite.archive.mode
 163         if upload.source is not None:
 164             for f in [ df.poolfile for df in upload.source.srcfiles ]:
 165                 dst = os.path.join(copydir, f.basename)
 166                 if not os.path.exists(dst):
 167                     fs.copy(f.fullpath, dst, mode=mode)
 168
 169         for db_binary in upload.binaries:
 170             f = db_binary.poolfile
 171             dst = os.path.join(copydir, f.basename)
 172             if not os.path.exists(dst):
 173                 fs.copy(f.fullpath, dst, mode=mode)
 174
 175         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 176         dst = os.path.join(copydir, upload.changes.changesname)
 177         if not os.path.exists(dst):
 178             fs.copy(src, dst, mode=mode)
 179
 180     if upload.source is not None and not Options['No-Action']:
 181         urgency = upload.changes.urgency
 182         if urgency not in cnf.value_list('Urgency::Valid'):
 183             urgency = cnf['Urgency::Default']
 184         UrgencyLog().log(upload.source.source, upload.source.version, urgency)
 185
 186     print "  ACCEPT"
 187     if not Options['No-Action']:
 188         Logger.log(["Policy Queue ACCEPT", srcqueue.queue_name, changesname])
 189
 190     pu = get_processed_upload(upload)
 191     daklib.announce.announce_accept(pu)
 192
 193     # TODO: code duplication. Similar code is in process-upload.
 194     # Move .changes to done
 195     src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 196     now = datetime.datetime.now()
 197     donedir = os.path.join(cnf['Dir::Done'], now.strftime('%Y/%m/%d'))
 198     dst = os.path.join(donedir, upload.changes.changesname)
 199     dst = utils.find_next_free(dst)
 200     fs.copy(src, dst, mode=0o644)
 201
 202     remove_upload(upload, transaction)
 203
 204 ################################################################################
 205
 206 @try_or_reject
 207 def comment_reject(*args):
 208     real_comment_reject(*args, manual=True)
 209
 210 def real_comment_reject(upload, srcqueue, comments, transaction, notify=True, manual=False):
 211     cnf = Config()
 212
 213     fs = transaction.fs
 214     session = transaction.session
 215     changesname = upload.changes.changesname
 216     queuedir = upload.policy_queue.path
 217     rejectdir = cnf['Dir::Reject']
 218
 219     ### Copy files to reject/
 220
 221     poolfiles = [b.poolfile for b in upload.binaries]
 222     if upload.source is not None:
 223         poolfiles.extend([df.poolfile for df in upload.source.srcfiles])
 224     # Not beautiful...
 225     files = [ af.path for af in session.query(ArchiveFile) \
 226                   .filter_by(archive=upload.policy_queue.suite.archive) \
 227                   .join(ArchiveFile.file) \
 228                   .filter(PoolFile.file_id.in_([ f.file_id for f in poolfiles ])) ]
 229     for byhand in upload.byhand:
 230         path = os.path.join(queuedir, byhand.filename)
 231         if os.path.exists(path):
 232             files.append(path)
 233     files.append(os.path.join(queuedir, changesname))
 234
 235     for fn in files:
 236         dst = utils.find_next_free(os.path.join(rejectdir, os.path.basename(fn)))
 237         fs.copy(fn, dst, link=True)
 238
 239     ### Write reason
 240
 241     dst = utils.find_next_free(os.path.join(rejectdir, '{0}.reason'.format(changesname)))
 242     fh = fs.create(dst)
 243     fh.write(comments)
 244     fh.close()
 245
 246     ### Send mail notification
 247
 248     if notify:
 249         rejected_by = None
 250         reason = comments
 251
 252         # Try to use From: from comment file if there is one.
 253         # This is not very elegant...
 254         match = re.match(r"\AFrom: ([^\n]+)\n\n", comments)
 255         if match:
 256             rejected_by = match.group(1)
 257             reason = '\n'.join(comments.splitlines()[2:])
 258
 259         pu = get_processed_upload(upload)
 260         daklib.announce.announce_reject(pu, reason, rejected_by)
 261
 262     print "  REJECT"
 263     if not Options["No-Action"]:
 264         Logger.log(["Policy Queue REJECT", srcqueue.queue_name, upload.changes.changesname])
 265
 266     changes = upload.changes
 267     remove_upload(upload, transaction)
 268     session.delete(changes)
 269
 270 ################################################################################
 271
 272 def remove_upload(upload, transaction):
 273     fs = transaction.fs
 274     session = transaction.session
 275     changes = upload.changes
 276
 277     # Remove byhand and changes files. Binary and source packages will be
 278     # removed from {bin,src}_associations and eventually removed by clean-suites automatically.
 279     queuedir = upload.policy_queue.path
 280     for byhand in upload.byhand:
 281         path = os.path.join(queuedir, byhand.filename)
 282         if os.path.exists(path):
 283             fs.unlink(path)
 284         session.delete(byhand)
 285     fs.unlink(os.path.join(queuedir, upload.changes.changesname))
 286
 287     session.delete(upload)
 288     session.flush()
 289
 290 ################################################################################
 291
 292 def get_processed_upload(upload):
 293     pu = daklib.announce.ProcessedUpload()
 294
 295     pu.maintainer = upload.changes.maintainer
 296     pu.changed_by = upload.changes.changedby
 297     pu.fingerprint = upload.changes.fingerprint
 298
 299     pu.suites = [ upload.target_suite ]
 300     pu.from_policy_suites = [ upload.target_suite ]
 301
 302     changes_path = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 303     pu.changes = open(changes_path, 'r').read()
 304     pu.changes_filename = upload.changes.changesname
 305     pu.sourceful = upload.source is not None
 306     pu.source = upload.changes.source
 307     pu.version = upload.changes.version
 308     pu.architecture = upload.changes.architecture
 309     pu.bugs = upload.changes.closes
 310
 311     pu.program = "process-policy"
 312
 313     return pu
 314
 315 ################################################################################
 316
 317 def remove_unreferenced_binaries(policy_queue, transaction):
 318     """Remove binaries that are no longer referenced by an upload
 319
 320     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 321
 322     @type  transaction: L{daklib.archive.ArchiveTransaction}
 323     """
 324     session = transaction.session
 325     suite = policy_queue.suite
 326
 327     query = """
 328        SELECT b.*
 329          FROM binaries b
 330          JOIN bin_associations ba ON b.id = ba.bin
 331         WHERE ba.suite = :suite_id
 332           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload_binaries_map pqubm
 333                                    JOIN policy_queue_upload pqu ON pqubm.policy_queue_upload_id = pqu.id
 334                                   WHERE pqu.policy_queue_id = :policy_queue_id
 335                                     AND pqubm.binary_id = b.id)"""
 336     binaries = session.query(DBBinary).from_statement(query) \
 337         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 338
 339     for binary in binaries:
 340         Logger.log(["removed binary from policy queue", policy_queue.queue_name, binary.package, binary.version])
 341         transaction.remove_binary(binary, suite)
 342
 343 def remove_unreferenced_sources(policy_queue, transaction):
 344     """Remove sources that are no longer referenced by an upload or a binary
 345
 346     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 347
 348     @type  transaction: L{daklib.archive.ArchiveTransaction}
 349     """
 350     session = transaction.session
 351     suite = policy_queue.suite
 352
 353     query = """
 354        SELECT s.*
 355          FROM source s
 356          JOIN src_associations sa ON s.id = sa.source
 357         WHERE sa.suite = :suite_id
 358           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload pqu
 359                                   WHERE pqu.policy_queue_id = :policy_queue_id
 360                                     AND pqu.source_id = s.id)
 361           AND NOT EXISTS (SELECT 1 FROM binaries b
 362                                    JOIN bin_associations ba ON b.id = ba.bin
 363                                   WHERE b.source = s.id
 364                                     AND ba.suite = :suite_id)"""
 365     sources = session.query(DBSource).from_statement(query) \
 366         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 367
 368     for source in sources:
 369         Logger.log(["removed source from policy queue", policy_queue.queue_name, source.source, source.version])
 370         transaction.remove_source(source, suite)
 371
 372 ################################################################################
 373
 374 def main():
 375     global Options, Logger
 376
 377     cnf = Config()
 378     session = DBConn().session()
 379
 380     Arguments = [('h',"help","Process-Policy::Options::Help"),
 381                  ('n',"no-action","Process-Policy::Options::No-Action")]
 382
 383     for i in ["help", "no-action"]:
 384         if not cnf.has_key("Process-Policy::Options::%s" % (i)):
 385             cnf["Process-Policy::Options::%s" % (i)] = ""
 386
 387     queue_name = apt_pkg.parse_commandline(cnf.Cnf,Arguments,sys.argv)
 388
 389     if len(queue_name) != 1:
 390         print "E: Specify exactly one policy queue"
 391         sys.exit(1)
 392
 393     queue_name = queue_name[0]
 394
 395     Options = cnf.subtree("Process-Policy::Options")
 396
 397     if Options["Help"]:
 398         usage()
 399
 400     Logger = daklog.Logger("process-policy")
 401     if not Options["No-Action"]:
 402         urgencylog = UrgencyLog()
 403
 404     with ArchiveTransaction() as transaction:
 405         session = transaction.session
 406         try:
 407             pq = session.query(PolicyQueue).filter_by(queue_name=queue_name).one()
 408         except NoResultFound:
 409             print "E: Cannot find policy queue %s" % queue_name
 410             sys.exit(1)
 411
 412         commentsdir = os.path.join(pq.path, 'COMMENTS')
 413         # The comments stuff relies on being in the right directory
 414         os.chdir(pq.path)
 415
 416         do_comments(commentsdir, pq, "ACCEPT.", "ACCEPTED.", "OK", comment_accept, transaction)
 417         do_comments(commentsdir, pq, "ACCEPTED.", "ACCEPTED.", "OK", comment_accept, transaction)
 418         do_comments(commentsdir, pq, "REJECT.", "REJECTED.", "NOTOK", comment_reject, transaction)
 419
 420         remove_unreferenced_binaries(pq, transaction)
 421         remove_unreferenced_sources(pq, transaction)
 422
 423     if not Options['No-Action']:
 424         urgencylog.close()
 425
 426 ################################################################################
 427
 428 if __name__ == '__main__':
 429     main()