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 from sqlalchemy.orm.exc import NoResultFound
  41
  42 from daklib.dbconn import *
  43 from daklib import daklog
  44 from daklib import utils
  45 from daklib.dak_exceptions import CantOpenError, AlreadyLockedError, CantGetLockError
  46 from daklib.config import Config
  47 from daklib.archive import ArchiveTransaction, source_component_from_package_list
  48 from daklib.urgencylog import UrgencyLog
  49 from daklib.packagelist import PackageList
  50
  51 import daklib.announce
  52
  53 # Globals
  54 Options = None
  55 Logger = None
  56
  57 ################################################################################
  58
  59 def do_comments(dir, srcqueue, opref, npref, line, fn, transaction):
  60     session = transaction.session
  61     actions = []
  62     for comm in [ x for x in os.listdir(dir) if x.startswith(opref) ]:
  63         lines = open(os.path.join(dir, comm)).readlines()
  64         if len(lines) == 0 or lines[0] != line + "\n": continue
  65
  66         # If the ACCEPT includes a _<arch> we only accept that .changes.
  67         # Otherwise we accept all .changes that start with the given prefix
  68         changes_prefix = comm[len(opref):]
  69         if changes_prefix.count('_') < 2:
  70             changes_prefix = changes_prefix + '_'
  71         else:
  72             changes_prefix = changes_prefix + '.changes'
  73
  74         # We need to escape "_" as we use it with the LIKE operator (via the
  75         # SQLA startwith) later.
  76         changes_prefix = changes_prefix.replace("_", r"\_")
  77
  78         uploads = session.query(PolicyQueueUpload).filter_by(policy_queue=srcqueue) \
  79             .join(PolicyQueueUpload.changes).filter(DBChange.changesname.startswith(changes_prefix)) \
  80             .order_by(PolicyQueueUpload.source_id)
  81         reason = "".join(lines[1:])
  82         actions.extend((u, reason) for u in uploads)
  83
  84         if opref != npref:
  85             newcomm = npref + comm[len(opref):]
  86             newcomm = utils.find_next_free(os.path.join(dir, newcomm))
  87             transaction.fs.move(os.path.join(dir, comm), newcomm)
  88
  89     actions.sort()
  90
  91     for u, reason in actions:
  92         print("Processing changes file: {0}".format(u.changes.changesname))
  93         fn(u, srcqueue, reason, transaction)
  94
  95 ################################################################################
  96
  97 def try_or_reject(function):
  98     def wrapper(upload, srcqueue, comments, transaction):
  99         try:
 100             function(upload, srcqueue, comments, transaction)
 101         except Exception as e:
 102             comments = 'An exception was raised while processing the package:\n{0}\nOriginal comments:\n{1}'.format(traceback.format_exc(), comments)
 103             try:
 104                 transaction.rollback()
 105                 real_comment_reject(upload, srcqueue, comments, transaction)
 106             except Exception as e:
 107                 comments = 'In addition an exception was raised while trying to reject the upload:\n{0}\nOriginal rejection:\n{1}'.format(traceback.format_exc(), comments)
 108                 transaction.rollback()
 109                 real_comment_reject(upload, srcqueue, comments, transaction, notify=False)
 110         if not Options['No-Action']:
 111             transaction.commit()
 112         else:
 113             transaction.rollback()
 114     return wrapper
 115
 116 ################################################################################
 117
 118 @try_or_reject
 119 def comment_accept(upload, srcqueue, comments, transaction):
 120     for byhand in upload.byhand:
 121         path = os.path.join(srcqueue.path, byhand.filename)
 122         if os.path.exists(path):
 123             raise Exception('E: cannot ACCEPT upload with unprocessed byhand file {0}'.format(byhand.filename))
 124
 125     cnf = Config()
 126
 127     fs = transaction.fs
 128     session = transaction.session
 129     changesname = upload.changes.changesname
 130     allow_tainted = srcqueue.suite.archive.tainted
 131
 132     # We need overrides to get the target component
 133     overridesuite = upload.target_suite
 134     if overridesuite.overridesuite is not None:
 135         overridesuite = session.query(Suite).filter_by(suite_name=overridesuite.overridesuite).one()
 136
 137     def binary_component_func(db_binary):
 138         section = db_binary.proxy['Section']
 139         component_name = 'main'
 140         if section.find('/') != -1:
 141             component_name = section.split('/', 1)[0]
 142         return get_mapped_component(component_name, session=session)
 143
 144     def is_debug_binary(db_binary):
 145         return db_binary.proxy['Section'] == "debug"
 146
 147     def has_debug_binaries(upload):
 148         return any((is_debug_binary(x) for x in upload.binaries))
 149
 150     def source_component_func(db_source):
 151         package_list = PackageList(db_source.proxy)
 152         component = source_component_from_package_list(package_list, upload.target_suite)
 153         if component is not None:
 154             return get_mapped_component(component.component_name, session=session)
 155
 156         # Fallback for packages without Package-List field
 157         query = session.query(Override).filter_by(suite=overridesuite, package=db_source.source) \
 158             .join(OverrideType).filter(OverrideType.overridetype == 'dsc') \
 159             .join(Component)
 160         return query.one().component
 161
 162     all_target_suites = [upload.target_suite]
 163     all_target_suites.extend([q.suite for q in upload.target_suite.copy_queues])
 164
 165     for suite in all_target_suites:
 166         debug_suite = suite.debug_suite
 167
 168         if upload.source is not None:
 169             # If we have Source in this upload, let's include it into
 170             # upload suite.
 171             transaction.copy_source(
 172                 upload.source,
 173                 suite,
 174                 source_component_func(upload.source),
 175                 allow_tainted=allow_tainted,
 176             )
 177
 178             if debug_suite is not None and has_debug_binaries(upload):
 179                 # If we're handing a debug package, we also need to include the
 180                 # source in the debug suite as well.
 181                 transaction.copy_source(
 182                     upload.source,
 183                     debug_suite,
 184                     source_component_func(upload.source),
 185                     allow_tainted=allow_tainted,
 186                 )
 187
 188         for db_binary in upload.binaries:
 189             # Now, let's work out where to copy this guy to -- if it's
 190             # a debug binary, and the suite has a debug suite, let's go
 191             # ahead and target the debug suite rather then the stock
 192             # suite.
 193             copy_to_suite = suite
 194             if debug_suite is not None and is_debug_binary(db_binary):
 195                 copy_to_suite = debug_suite
 196
 197             # build queues may miss the source package if this is a
 198             # binary-only upload.
 199             if suite != upload.target_suite:
 200                 transaction.copy_source(
 201                     db_binary.source,
 202                     copy_to_suite,
 203                     source_component_func(db_binary.source),
 204                     allow_tainted=allow_tainted,
 205                 )
 206
 207             transaction.copy_binary(
 208                 db_binary,
 209                 copy_to_suite,
 210                 binary_component_func(db_binary),
 211                 allow_tainted=allow_tainted,
 212                 extra_archives=[upload.target_suite.archive],
 213             )
 214
 215     # Copy .changes if needed
 216     if upload.target_suite.copychanges:
 217         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 218         dst = os.path.join(upload.target_suite.path, upload.changes.changesname)
 219         fs.copy(src, dst, mode=upload.target_suite.archive.mode)
 220
 221     # Copy upload to Process-Policy::CopyDir
 222     # Used on security.d.o to sync accepted packages to ftp-master, but this
 223     # should eventually be replaced by something else.
 224     copydir = cnf.get('Process-Policy::CopyDir') or None
 225     if copydir is not None:
 226         mode = upload.target_suite.archive.mode
 227         if upload.source is not None:
 228             for f in [ df.poolfile for df in upload.source.srcfiles ]:
 229                 dst = os.path.join(copydir, f.basename)
 230                 if not os.path.exists(dst):
 231                     fs.copy(f.fullpath, dst, mode=mode)
 232
 233         for db_binary in upload.binaries:
 234             f = db_binary.poolfile
 235             dst = os.path.join(copydir, f.basename)
 236             if not os.path.exists(dst):
 237                 fs.copy(f.fullpath, dst, mode=mode)
 238
 239         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 240         dst = os.path.join(copydir, upload.changes.changesname)
 241         if not os.path.exists(dst):
 242             fs.copy(src, dst, mode=mode)
 243
 244     if upload.source is not None and not Options['No-Action']:
 245         urgency = upload.changes.urgency
 246         if urgency not in cnf.value_list('Urgency::Valid'):
 247             urgency = cnf['Urgency::Default']
 248         UrgencyLog().log(upload.source.source, upload.source.version, urgency)
 249
 250     print "  ACCEPT"
 251     if not Options['No-Action']:
 252         Logger.log(["Policy Queue ACCEPT", srcqueue.queue_name, changesname])
 253
 254     pu = get_processed_upload(upload)
 255     daklib.announce.announce_accept(pu)
 256
 257     # TODO: code duplication. Similar code is in process-upload.
 258     # Move .changes to done
 259     src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 260     now = datetime.datetime.now()
 261     donedir = os.path.join(cnf['Dir::Done'], now.strftime('%Y/%m/%d'))
 262     dst = os.path.join(donedir, upload.changes.changesname)
 263     dst = utils.find_next_free(dst)
 264     fs.copy(src, dst, mode=0o644)
 265
 266     remove_upload(upload, transaction)
 267
 268 ################################################################################
 269
 270 @try_or_reject
 271 def comment_reject(*args):
 272     real_comment_reject(*args, manual=True)
 273
 274 def real_comment_reject(upload, srcqueue, comments, transaction, notify=True, manual=False):
 275     cnf = Config()
 276
 277     fs = transaction.fs
 278     session = transaction.session
 279     changesname = upload.changes.changesname
 280     queuedir = upload.policy_queue.path
 281     rejectdir = cnf['Dir::Reject']
 282
 283     ### Copy files to reject/
 284
 285     poolfiles = [b.poolfile for b in upload.binaries]
 286     if upload.source is not None:
 287         poolfiles.extend([df.poolfile for df in upload.source.srcfiles])
 288     # Not beautiful...
 289     files = [ af.path for af in session.query(ArchiveFile) \
 290                   .filter_by(archive=upload.policy_queue.suite.archive) \
 291                   .join(ArchiveFile.file) \
 292                   .filter(PoolFile.file_id.in_([ f.file_id for f in poolfiles ])) ]
 293     for byhand in upload.byhand:
 294         path = os.path.join(queuedir, byhand.filename)
 295         if os.path.exists(path):
 296             files.append(path)
 297     files.append(os.path.join(queuedir, changesname))
 298
 299     for fn in files:
 300         dst = utils.find_next_free(os.path.join(rejectdir, os.path.basename(fn)))
 301         fs.copy(fn, dst, link=True)
 302
 303     ### Write reason
 304
 305     dst = utils.find_next_free(os.path.join(rejectdir, '{0}.reason'.format(changesname)))
 306     fh = fs.create(dst)
 307     fh.write(comments)
 308     fh.close()
 309
 310     ### Send mail notification
 311
 312     if notify:
 313         rejected_by = None
 314         reason = comments
 315
 316         # Try to use From: from comment file if there is one.
 317         # This is not very elegant...
 318         match = re.match(r"\AFrom: ([^\n]+)\n\n", comments)
 319         if match:
 320             rejected_by = match.group(1)
 321             reason = '\n'.join(comments.splitlines()[2:])
 322
 323         pu = get_processed_upload(upload)
 324         daklib.announce.announce_reject(pu, reason, rejected_by)
 325
 326     print "  REJECT"
 327     if not Options["No-Action"]:
 328         Logger.log(["Policy Queue REJECT", srcqueue.queue_name, upload.changes.changesname])
 329
 330     changes = upload.changes
 331     remove_upload(upload, transaction)
 332     session.delete(changes)
 333
 334 ################################################################################
 335
 336 def remove_upload(upload, transaction):
 337     fs = transaction.fs
 338     session = transaction.session
 339     changes = upload.changes
 340
 341     # Remove byhand and changes files. Binary and source packages will be
 342     # removed from {bin,src}_associations and eventually removed by clean-suites automatically.
 343     queuedir = upload.policy_queue.path
 344     for byhand in upload.byhand:
 345         path = os.path.join(queuedir, byhand.filename)
 346         if os.path.exists(path):
 347             fs.unlink(path)
 348         session.delete(byhand)
 349     fs.unlink(os.path.join(queuedir, upload.changes.changesname))
 350
 351     session.delete(upload)
 352     session.flush()
 353
 354 ################################################################################
 355
 356 def get_processed_upload(upload):
 357     pu = daklib.announce.ProcessedUpload()
 358
 359     pu.maintainer = upload.changes.maintainer
 360     pu.changed_by = upload.changes.changedby
 361     pu.fingerprint = upload.changes.fingerprint
 362
 363     pu.suites = [ upload.target_suite ]
 364     pu.from_policy_suites = [ upload.target_suite ]
 365
 366     changes_path = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 367     pu.changes = open(changes_path, 'r').read()
 368     pu.changes_filename = upload.changes.changesname
 369     pu.sourceful = upload.source is not None
 370     pu.source = upload.changes.source
 371     pu.version = upload.changes.version
 372     pu.architecture = upload.changes.architecture
 373     pu.bugs = upload.changes.closes
 374
 375     pu.program = "process-policy"
 376
 377     return pu
 378
 379 ################################################################################
 380
 381 def remove_unreferenced_binaries(policy_queue, transaction):
 382     """Remove binaries that are no longer referenced by an upload
 383
 384     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 385
 386     @type  transaction: L{daklib.archive.ArchiveTransaction}
 387     """
 388     session = transaction.session
 389     suite = policy_queue.suite
 390
 391     query = """
 392        SELECT b.*
 393          FROM binaries b
 394          JOIN bin_associations ba ON b.id = ba.bin
 395         WHERE ba.suite = :suite_id
 396           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload_binaries_map pqubm
 397                                    JOIN policy_queue_upload pqu ON pqubm.policy_queue_upload_id = pqu.id
 398                                   WHERE pqu.policy_queue_id = :policy_queue_id
 399                                     AND pqubm.binary_id = b.id)"""
 400     binaries = session.query(DBBinary).from_statement(query) \
 401         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 402
 403     for binary in binaries:
 404         Logger.log(["removed binary from policy queue", policy_queue.queue_name, binary.package, binary.version])
 405         transaction.remove_binary(binary, suite)
 406
 407 def remove_unreferenced_sources(policy_queue, transaction):
 408     """Remove sources that are no longer referenced by an upload or a binary
 409
 410     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 411
 412     @type  transaction: L{daklib.archive.ArchiveTransaction}
 413     """
 414     session = transaction.session
 415     suite = policy_queue.suite
 416
 417     query = """
 418        SELECT s.*
 419          FROM source s
 420          JOIN src_associations sa ON s.id = sa.source
 421         WHERE sa.suite = :suite_id
 422           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload pqu
 423                                   WHERE pqu.policy_queue_id = :policy_queue_id
 424                                     AND pqu.source_id = s.id)
 425           AND NOT EXISTS (SELECT 1 FROM binaries b
 426                                    JOIN bin_associations ba ON b.id = ba.bin
 427                                   WHERE b.source = s.id
 428                                     AND ba.suite = :suite_id)"""
 429     sources = session.query(DBSource).from_statement(query) \
 430         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 431
 432     for source in sources:
 433         Logger.log(["removed source from policy queue", policy_queue.queue_name, source.source, source.version])
 434         transaction.remove_source(source, suite)
 435
 436 ################################################################################
 437
 438 def main():
 439     global Options, Logger
 440
 441     cnf = Config()
 442     session = DBConn().session()
 443
 444     Arguments = [('h',"help","Process-Policy::Options::Help"),
 445                  ('n',"no-action","Process-Policy::Options::No-Action")]
 446
 447     for i in ["help", "no-action"]:
 448         if not cnf.has_key("Process-Policy::Options::%s" % (i)):
 449             cnf["Process-Policy::Options::%s" % (i)] = ""
 450
 451     queue_name = apt_pkg.parse_commandline(cnf.Cnf,Arguments,sys.argv)
 452
 453     if len(queue_name) != 1:
 454         print "E: Specify exactly one policy queue"
 455         sys.exit(1)
 456
 457     queue_name = queue_name[0]
 458
 459     Options = cnf.subtree("Process-Policy::Options")
 460
 461     if Options["Help"]:
 462         usage()
 463
 464     Logger = daklog.Logger("process-policy")
 465     if not Options["No-Action"]:
 466         urgencylog = UrgencyLog()
 467
 468     with ArchiveTransaction() as transaction:
 469         session = transaction.session
 470         try:
 471             pq = session.query(PolicyQueue).filter_by(queue_name=queue_name).one()
 472         except NoResultFound:
 473             print "E: Cannot find policy queue %s" % queue_name
 474             sys.exit(1)
 475
 476         commentsdir = os.path.join(pq.path, 'COMMENTS')
 477         # The comments stuff relies on being in the right directory
 478         os.chdir(pq.path)
 479
 480         do_comments(commentsdir, pq, "REJECT.", "REJECTED.", "NOTOK", comment_reject, transaction)
 481         do_comments(commentsdir, pq, "ACCEPT.", "ACCEPTED.", "OK", comment_accept, transaction)
 482         do_comments(commentsdir, pq, "ACCEPTED.", "ACCEPTED.", "OK", comment_accept, transaction)
 483
 484         remove_unreferenced_binaries(pq, transaction)
 485         remove_unreferenced_sources(pq, transaction)
 486
 487     if not Options['No-Action']:
 488         urgencylog.close()
 489
 490 ################################################################################
 491
 492 if __name__ == '__main__':
 493     main()