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