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             transaction.fs.move(os.path.join(dir, comm), os.path.join(dir, newcomm))
  85
  86 ################################################################################
  87
  88 def try_or_reject(function):
  89     def wrapper(upload, srcqueue, comments, transaction):
  90         try:
  91             function(upload, srcqueue, comments, transaction)
  92         except Exception as e:
  93             comments = 'An exception was raised while processing the package:\n{0}\nOriginal comments:\n{1}'.format(traceback.format_exc(), comments)
  94             try:
  95                 transaction.rollback()
  96                 real_comment_reject(upload, srcqueue, comments, transaction)
  97             except Exception as e:
  98                 comments = 'In addition an exception was raised while trying to reject the upload:\n{0}\nOriginal rejection:\n{1}'.format(traceback.format_exc(), comments)
  99                 transaction.rollback()
 100                 real_comment_reject(upload, srcqueue, comments, transaction, notify=False)
 101         if not Options['No-Action']:
 102             transaction.commit()
 103     return wrapper
 104
 105 ################################################################################
 106
 107 @try_or_reject
 108 def comment_accept(upload, srcqueue, comments, transaction):
 109     for byhand in upload.byhand:
 110         path = os.path.join(srcqueue.path, byhand.filename)
 111         if os.path.exists(path):
 112             raise Exception('E: cannot ACCEPT upload with unprocessed byhand file {0}'.format(byhand.filename))
 113
 114     cnf = Config()
 115
 116     fs = transaction.fs
 117     session = transaction.session
 118     changesname = upload.changes.changesname
 119     allow_tainted = srcqueue.suite.archive.tainted
 120
 121     # We need overrides to get the target component
 122     overridesuite = upload.target_suite
 123     if overridesuite.overridesuite is not None:
 124         overridesuite = session.query(Suite).filter_by(suite_name=overridesuite.overridesuite).one()
 125
 126     def binary_component_func(db_binary):
 127         override = session.query(Override).filter_by(suite=overridesuite, package=db_binary.package) \
 128             .join(OverrideType).filter(OverrideType.overridetype == db_binary.binarytype) \
 129             .join(Component).one()
 130         return override.component
 131
 132     def source_component_func(db_source):
 133         override = session.query(Override).filter_by(suite=overridesuite, package=db_source.source) \
 134             .join(OverrideType).filter(OverrideType.overridetype == 'dsc') \
 135             .join(Component).one()
 136         return override.component
 137
 138     all_target_suites = [upload.target_suite]
 139     all_target_suites.extend([q.suite for q in upload.target_suite.copy_queues])
 140
 141     for suite in all_target_suites:
 142         if upload.source is not None:
 143             transaction.copy_source(upload.source, suite, source_component_func(upload.source), allow_tainted=allow_tainted)
 144         for db_binary in upload.binaries:
 145             # build queues may miss the source package if this is a binary-only upload
 146             if suite != upload.target_suite:
 147                 transaction.copy_source(db_binary.source, suite, source_component_func(db_binary.source), allow_tainted=allow_tainted)
 148             transaction.copy_binary(db_binary, suite, binary_component_func(db_binary), allow_tainted=allow_tainted, extra_archives=[upload.target_suite.archive])
 149
 150     # Copy .changes if needed
 151     if upload.target_suite.copychanges:
 152         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 153         dst = os.path.join(upload.target_suite.path, upload.changes.changesname)
 154         fs.copy(src, dst, mode=upload.target_suite.archive.mode)
 155
 156     # Copy upload to Process-Policy::CopyDir
 157     # Used on security.d.o to sync accepted packages to ftp-master, but this
 158     # should eventually be replaced by something else.
 159     copydir = cnf.get('Process-Policy::CopyDir') or None
 160     if copydir is not None:
 161         mode = upload.target_suite.archive.mode
 162         if upload.source is not None:
 163             for f in [ df.poolfile for df in upload.source.srcfiles ]:
 164                 dst = os.path.join(copydir, f.basename)
 165                 if not os.path.exists(dst):
 166                     fs.copy(f.fullpath, dst, mode=mode)
 167
 168         for db_binary in upload.binaries:
 169             f = db_binary.poolfile
 170             dst = os.path.join(copydir, f.basename)
 171             if not os.path.exists(dst):
 172                 fs.copy(f.fullpath, dst, mode=mode)
 173
 174         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 175         dst = os.path.join(copydir, upload.changes.changesname)
 176         if not os.path.exists(dst):
 177             fs.copy(src, dst, mode=mode)
 178
 179     if upload.source is not None and not Options['No-Action']:
 180         urgency = upload.changes.urgency
 181         if urgency not in cnf.value_list('Urgency::Valid'):
 182             urgency = cnf['Urgency::Default']
 183         UrgencyLog().log(upload.source.source, upload.source.version, urgency)
 184
 185     print "  ACCEPT"
 186     if not Options['No-Action']:
 187         Logger.log(["Policy Queue ACCEPT", srcqueue.queue_name, changesname])
 188
 189     pu = get_processed_upload(upload)
 190     daklib.announce.announce_accept(pu)
 191
 192     # TODO: code duplication. Similar code is in process-upload.
 193     # Move .changes to done
 194     src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 195     now = datetime.datetime.now()
 196     donedir = os.path.join(cnf['Dir::Done'], now.strftime('%Y/%m/%d'))
 197     dst = os.path.join(donedir, upload.changes.changesname)
 198     dst = utils.find_next_free(dst)
 199     fs.copy(src, dst, mode=0o644)
 200
 201     remove_upload(upload, transaction)
 202
 203 ################################################################################
 204
 205 @try_or_reject
 206 def comment_reject(*args):
 207     real_comment_reject(*args, manual=True)
 208
 209 def real_comment_reject(upload, srcqueue, comments, transaction, notify=True, manual=False):
 210     cnf = Config()
 211
 212     fs = transaction.fs
 213     session = transaction.session
 214     changesname = upload.changes.changesname
 215     queuedir = upload.policy_queue.path
 216     rejectdir = cnf['Dir::Reject']
 217
 218     ### Copy files to reject/
 219
 220     poolfiles = [b.poolfile for b in upload.binaries]
 221     if upload.source is not None:
 222         poolfiles.extend([df.poolfile for df in upload.source.srcfiles])
 223     # Not beautiful...
 224     files = [ af.path for af in session.query(ArchiveFile) \
 225                   .filter_by(archive=upload.policy_queue.suite.archive) \
 226                   .join(ArchiveFile.file) \
 227                   .filter(PoolFile.file_id.in_([ f.file_id for f in poolfiles ])) ]
 228     for byhand in upload.byhand:
 229         path = os.path.join(queuedir, byhand.filename)
 230         if os.path.exists(path):
 231             files.append(path)
 232     files.append(os.path.join(queuedir, changesname))
 233
 234     for fn in files:
 235         dst = utils.find_next_free(os.path.join(rejectdir, os.path.basename(fn)))
 236         fs.copy(fn, dst, link=True)
 237
 238     ### Write reason
 239
 240     dst = utils.find_next_free(os.path.join(rejectdir, '{0}.reason'.format(changesname)))
 241     fh = fs.create(dst)
 242     fh.write(comments)
 243     fh.close()
 244
 245     ### Send mail notification
 246
 247     if notify:
 248         rejected_by = None
 249         reason = comments
 250
 251         # Try to use From: from comment file if there is one.
 252         # This is not very elegant...
 253         match = re.match(r"\AFrom: ([^\n]+)\n\n", comments)
 254         if match:
 255             rejected_by = match.group(1)
 256             reason = '\n'.join(comments.splitlines()[2:])
 257
 258         pu = get_processed_upload(upload)
 259         daklib.announce.announce_reject(pu, reason, rejected_by)
 260
 261     print "  REJECT"
 262     if not Options["No-Action"]:
 263         Logger.log(["Policy Queue REJECT", srcqueue.queue_name, upload.changes.changesname])
 264
 265     changes = upload.changes
 266     remove_upload(upload, transaction)
 267     session.delete(changes)
 268
 269 ################################################################################
 270
 271 def remove_upload(upload, transaction):
 272     fs = transaction.fs
 273     session = transaction.session
 274     changes = upload.changes
 275
 276     # Remove byhand and changes files. Binary and source packages will be
 277     # removed from {bin,src}_associations and eventually removed by clean-suites automatically.
 278     queuedir = upload.policy_queue.path
 279     for byhand in upload.byhand:
 280         path = os.path.join(queuedir, byhand.filename)
 281         if os.path.exists(path):
 282             fs.unlink(path)
 283         session.delete(byhand)
 284     fs.unlink(os.path.join(queuedir, upload.changes.changesname))
 285
 286     session.delete(upload)
 287     session.flush()
 288
 289 ################################################################################
 290
 291 def get_processed_upload(upload):
 292     pu = daklib.announce.ProcessedUpload()
 293
 294     pu.maintainer = upload.changes.maintainer
 295     pu.changed_by = upload.changes.changedby
 296     pu.fingerprint = upload.changes.fingerprint
 297
 298     pu.suites = [ upload.target_suite ]
 299     pu.from_policy_suites = [ upload.target_suite ]
 300
 301     changes_path = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 302     pu.changes = open(changes_path, 'r').read()
 303     pu.changes_filename = upload.changes.changesname
 304     pu.sourceful = upload.source is not None
 305     pu.source = upload.changes.source
 306     pu.version = upload.changes.version
 307     pu.architecture = upload.changes.architecture
 308     pu.bugs = upload.changes.closes
 309
 310     pu.program = "process-policy"
 311
 312     return pu
 313
 314 ################################################################################
 315
 316 def remove_unreferenced_binaries(policy_queue, transaction):
 317     """Remove binaries that are no longer referenced by an upload
 318
 319     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 320
 321     @type  transaction: L{daklib.archive.ArchiveTransaction}
 322     """
 323     session = transaction.session
 324     suite = policy_queue.suite
 325
 326     query = """
 327        SELECT b.*
 328          FROM binaries b
 329          JOIN bin_associations ba ON b.id = ba.bin
 330         WHERE ba.suite = :suite_id
 331           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload_binaries_map pqubm
 332                                    JOIN policy_queue_upload pqu ON pqubm.policy_queue_upload_id = pqu.id
 333                                   WHERE pqu.policy_queue_id = :policy_queue_id
 334                                     AND pqubm.binary_id = b.id)"""
 335     binaries = session.query(DBBinary).from_statement(query) \
 336         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 337
 338     for binary in binaries:
 339         Logger.log(["removed binary from policy queue", policy_queue.queue_name, binary.package, binary.version])
 340         transaction.remove_binary(binary, suite)
 341
 342 def remove_unreferenced_sources(policy_queue, transaction):
 343     """Remove sources that are no longer referenced by an upload or a binary
 344
 345     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 346
 347     @type  transaction: L{daklib.archive.ArchiveTransaction}
 348     """
 349     session = transaction.session
 350     suite = policy_queue.suite
 351
 352     query = """
 353        SELECT s.*
 354          FROM source s
 355          JOIN src_associations sa ON s.id = sa.source
 356         WHERE sa.suite = :suite_id
 357           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload pqu
 358                                   WHERE pqu.policy_queue_id = :policy_queue_id
 359                                     AND pqu.source_id = s.id)
 360           AND NOT EXISTS (SELECT 1 FROM binaries b
 361                                    JOIN bin_associations ba ON b.id = ba.bin
 362                                   WHERE b.source = s.id
 363                                     AND ba.suite = :suite_id)"""
 364     sources = session.query(DBSource).from_statement(query) \
 365         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 366
 367     for source in sources:
 368         Logger.log(["removed source from policy queue", policy_queue.queue_name, source.source, source.version])
 369         transaction.remove_source(source, suite)
 370
 371 ################################################################################
 372
 373 def main():
 374     global Options, Logger
 375
 376     cnf = Config()
 377     session = DBConn().session()
 378
 379     Arguments = [('h',"help","Process-Policy::Options::Help"),
 380                  ('n',"no-action","Process-Policy::Options::No-Action")]
 381
 382     for i in ["help", "no-action"]:
 383         if not cnf.has_key("Process-Policy::Options::%s" % (i)):
 384             cnf["Process-Policy::Options::%s" % (i)] = ""
 385
 386     queue_name = apt_pkg.parse_commandline(cnf.Cnf,Arguments,sys.argv)
 387
 388     if len(queue_name) != 1:
 389         print "E: Specify exactly one policy queue"
 390         sys.exit(1)
 391
 392     queue_name = queue_name[0]
 393
 394     Options = cnf.subtree("Process-Policy::Options")
 395
 396     if Options["Help"]:
 397         usage()
 398
 399     Logger = daklog.Logger("process-policy")
 400     if not Options["No-Action"]:
 401         urgencylog = UrgencyLog()
 402
 403     with ArchiveTransaction() as transaction:
 404         session = transaction.session
 405         try:
 406             pq = session.query(PolicyQueue).filter_by(queue_name=queue_name).one()
 407         except NoResultFound:
 408             print "E: Cannot find policy queue %s" % queue_name
 409             sys.exit(1)
 410
 411         commentsdir = os.path.join(pq.path, 'COMMENTS')
 412         # The comments stuff relies on being in the right directory
 413         os.chdir(pq.path)
 414
 415         do_comments(commentsdir, pq, "ACCEPT.", "ACCEPTED.", "OK", comment_accept, transaction)
 416         do_comments(commentsdir, pq, "ACCEPTED.", "ACCEPTED.", "OK", comment_accept, transaction)
 417         do_comments(commentsdir, pq, "REJECT.", "REJECTED.", "NOTOK", comment_reject, transaction)
 418
 419         remove_unreferenced_binaries(pq, transaction)
 420         remove_unreferenced_sources(pq, transaction)
 421
 422     if not Options['No-Action']:
 423         urgencylog.close()
 424
 425 ################################################################################
 426
 427 if __name__ == '__main__':
 428     main()