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 source_component_func(db_source):
 145         package_list = PackageList(db_source.proxy)
 146         component = source_component_from_package_list(package_list, upload.target_suite)
 147         if component is not None:
 148             return get_mapped_component(component.component_name, session=session)
 149
 150         # Fallback for packages without Package-List field
 151         query = session.query(Override).filter_by(suite=overridesuite, package=db_source.source) \
 152             .join(OverrideType).filter(OverrideType.overridetype == 'dsc') \
 153             .join(Component)
 154         return query.one().component
 155
 156     all_target_suites = [upload.target_suite]
 157     all_target_suites.extend([q.suite for q in upload.target_suite.copy_queues])
 158
 159     for suite in all_target_suites:
 160         if upload.source is not None:
 161             transaction.copy_source(upload.source, suite, source_component_func(upload.source), allow_tainted=allow_tainted)
 162         for db_binary in upload.binaries:
 163             # build queues may miss the source package if this is a binary-only upload
 164             if suite != upload.target_suite:
 165                 transaction.copy_source(db_binary.source, suite, source_component_func(db_binary.source), allow_tainted=allow_tainted)
 166             transaction.copy_binary(db_binary, suite, binary_component_func(db_binary), allow_tainted=allow_tainted, extra_archives=[upload.target_suite.archive])
 167
 168     # Copy .changes if needed
 169     if upload.target_suite.copychanges:
 170         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 171         dst = os.path.join(upload.target_suite.path, upload.changes.changesname)
 172         fs.copy(src, dst, mode=upload.target_suite.archive.mode)
 173
 174     # Copy upload to Process-Policy::CopyDir
 175     # Used on security.d.o to sync accepted packages to ftp-master, but this
 176     # should eventually be replaced by something else.
 177     copydir = cnf.get('Process-Policy::CopyDir') or None
 178     if copydir is not None:
 179         mode = upload.target_suite.archive.mode
 180         if upload.source is not None:
 181             for f in [ df.poolfile for df in upload.source.srcfiles ]:
 182                 dst = os.path.join(copydir, f.basename)
 183                 if not os.path.exists(dst):
 184                     fs.copy(f.fullpath, dst, mode=mode)
 185
 186         for db_binary in upload.binaries:
 187             f = db_binary.poolfile
 188             dst = os.path.join(copydir, f.basename)
 189             if not os.path.exists(dst):
 190                 fs.copy(f.fullpath, dst, mode=mode)
 191
 192         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 193         dst = os.path.join(copydir, upload.changes.changesname)
 194         if not os.path.exists(dst):
 195             fs.copy(src, dst, mode=mode)
 196
 197     if upload.source is not None and not Options['No-Action']:
 198         urgency = upload.changes.urgency
 199         if urgency not in cnf.value_list('Urgency::Valid'):
 200             urgency = cnf['Urgency::Default']
 201         UrgencyLog().log(upload.source.source, upload.source.version, urgency)
 202
 203     print "  ACCEPT"
 204     if not Options['No-Action']:
 205         Logger.log(["Policy Queue ACCEPT", srcqueue.queue_name, changesname])
 206
 207     pu = get_processed_upload(upload)
 208     daklib.announce.announce_accept(pu)
 209
 210     # TODO: code duplication. Similar code is in process-upload.
 211     # Move .changes to done
 212     src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 213     now = datetime.datetime.now()
 214     donedir = os.path.join(cnf['Dir::Done'], now.strftime('%Y/%m/%d'))
 215     dst = os.path.join(donedir, upload.changes.changesname)
 216     dst = utils.find_next_free(dst)
 217     fs.copy(src, dst, mode=0o644)
 218
 219     remove_upload(upload, transaction)
 220
 221 ################################################################################
 222
 223 @try_or_reject
 224 def comment_reject(*args):
 225     real_comment_reject(*args, manual=True)
 226
 227 def real_comment_reject(upload, srcqueue, comments, transaction, notify=True, manual=False):
 228     cnf = Config()
 229
 230     fs = transaction.fs
 231     session = transaction.session
 232     changesname = upload.changes.changesname
 233     queuedir = upload.policy_queue.path
 234     rejectdir = cnf['Dir::Reject']
 235
 236     ### Copy files to reject/
 237
 238     poolfiles = [b.poolfile for b in upload.binaries]
 239     if upload.source is not None:
 240         poolfiles.extend([df.poolfile for df in upload.source.srcfiles])
 241     # Not beautiful...
 242     files = [ af.path for af in session.query(ArchiveFile) \
 243                   .filter_by(archive=upload.policy_queue.suite.archive) \
 244                   .join(ArchiveFile.file) \
 245                   .filter(PoolFile.file_id.in_([ f.file_id for f in poolfiles ])) ]
 246     for byhand in upload.byhand:
 247         path = os.path.join(queuedir, byhand.filename)
 248         if os.path.exists(path):
 249             files.append(path)
 250     files.append(os.path.join(queuedir, changesname))
 251
 252     for fn in files:
 253         dst = utils.find_next_free(os.path.join(rejectdir, os.path.basename(fn)))
 254         fs.copy(fn, dst, link=True)
 255
 256     ### Write reason
 257
 258     dst = utils.find_next_free(os.path.join(rejectdir, '{0}.reason'.format(changesname)))
 259     fh = fs.create(dst)
 260     fh.write(comments)
 261     fh.close()
 262
 263     ### Send mail notification
 264
 265     if notify:
 266         rejected_by = None
 267         reason = comments
 268
 269         # Try to use From: from comment file if there is one.
 270         # This is not very elegant...
 271         match = re.match(r"\AFrom: ([^\n]+)\n\n", comments)
 272         if match:
 273             rejected_by = match.group(1)
 274             reason = '\n'.join(comments.splitlines()[2:])
 275
 276         pu = get_processed_upload(upload)
 277         daklib.announce.announce_reject(pu, reason, rejected_by)
 278
 279     print "  REJECT"
 280     if not Options["No-Action"]:
 281         Logger.log(["Policy Queue REJECT", srcqueue.queue_name, upload.changes.changesname])
 282
 283     changes = upload.changes
 284     remove_upload(upload, transaction)
 285     session.delete(changes)
 286
 287 ################################################################################
 288
 289 def remove_upload(upload, transaction):
 290     fs = transaction.fs
 291     session = transaction.session
 292     changes = upload.changes
 293
 294     # Remove byhand and changes files. Binary and source packages will be
 295     # removed from {bin,src}_associations and eventually removed by clean-suites automatically.
 296     queuedir = upload.policy_queue.path
 297     for byhand in upload.byhand:
 298         path = os.path.join(queuedir, byhand.filename)
 299         if os.path.exists(path):
 300             fs.unlink(path)
 301         session.delete(byhand)
 302     fs.unlink(os.path.join(queuedir, upload.changes.changesname))
 303
 304     session.delete(upload)
 305     session.flush()
 306
 307 ################################################################################
 308
 309 def get_processed_upload(upload):
 310     pu = daklib.announce.ProcessedUpload()
 311
 312     pu.maintainer = upload.changes.maintainer
 313     pu.changed_by = upload.changes.changedby
 314     pu.fingerprint = upload.changes.fingerprint
 315
 316     pu.suites = [ upload.target_suite ]
 317     pu.from_policy_suites = [ upload.target_suite ]
 318
 319     changes_path = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 320     pu.changes = open(changes_path, 'r').read()
 321     pu.changes_filename = upload.changes.changesname
 322     pu.sourceful = upload.source is not None
 323     pu.source = upload.changes.source
 324     pu.version = upload.changes.version
 325     pu.architecture = upload.changes.architecture
 326     pu.bugs = upload.changes.closes
 327
 328     pu.program = "process-policy"
 329
 330     return pu
 331
 332 ################################################################################
 333
 334 def remove_unreferenced_binaries(policy_queue, transaction):
 335     """Remove binaries that are no longer referenced by an upload
 336
 337     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 338
 339     @type  transaction: L{daklib.archive.ArchiveTransaction}
 340     """
 341     session = transaction.session
 342     suite = policy_queue.suite
 343
 344     query = """
 345        SELECT b.*
 346          FROM binaries b
 347          JOIN bin_associations ba ON b.id = ba.bin
 348         WHERE ba.suite = :suite_id
 349           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload_binaries_map pqubm
 350                                    JOIN policy_queue_upload pqu ON pqubm.policy_queue_upload_id = pqu.id
 351                                   WHERE pqu.policy_queue_id = :policy_queue_id
 352                                     AND pqubm.binary_id = b.id)"""
 353     binaries = session.query(DBBinary).from_statement(query) \
 354         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 355
 356     for binary in binaries:
 357         Logger.log(["removed binary from policy queue", policy_queue.queue_name, binary.package, binary.version])
 358         transaction.remove_binary(binary, suite)
 359
 360 def remove_unreferenced_sources(policy_queue, transaction):
 361     """Remove sources that are no longer referenced by an upload or a binary
 362
 363     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 364
 365     @type  transaction: L{daklib.archive.ArchiveTransaction}
 366     """
 367     session = transaction.session
 368     suite = policy_queue.suite
 369
 370     query = """
 371        SELECT s.*
 372          FROM source s
 373          JOIN src_associations sa ON s.id = sa.source
 374         WHERE sa.suite = :suite_id
 375           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload pqu
 376                                   WHERE pqu.policy_queue_id = :policy_queue_id
 377                                     AND pqu.source_id = s.id)
 378           AND NOT EXISTS (SELECT 1 FROM binaries b
 379                                    JOIN bin_associations ba ON b.id = ba.bin
 380                                   WHERE b.source = s.id
 381                                     AND ba.suite = :suite_id)"""
 382     sources = session.query(DBSource).from_statement(query) \
 383         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 384
 385     for source in sources:
 386         Logger.log(["removed source from policy queue", policy_queue.queue_name, source.source, source.version])
 387         transaction.remove_source(source, suite)
 388
 389 ################################################################################
 390
 391 def main():
 392     global Options, Logger
 393
 394     cnf = Config()
 395     session = DBConn().session()
 396
 397     Arguments = [('h',"help","Process-Policy::Options::Help"),
 398                  ('n',"no-action","Process-Policy::Options::No-Action")]
 399
 400     for i in ["help", "no-action"]:
 401         if not cnf.has_key("Process-Policy::Options::%s" % (i)):
 402             cnf["Process-Policy::Options::%s" % (i)] = ""
 403
 404     queue_name = apt_pkg.parse_commandline(cnf.Cnf,Arguments,sys.argv)
 405
 406     if len(queue_name) != 1:
 407         print "E: Specify exactly one policy queue"
 408         sys.exit(1)
 409
 410     queue_name = queue_name[0]
 411
 412     Options = cnf.subtree("Process-Policy::Options")
 413
 414     if Options["Help"]:
 415         usage()
 416
 417     Logger = daklog.Logger("process-policy")
 418     if not Options["No-Action"]:
 419         urgencylog = UrgencyLog()
 420
 421     with ArchiveTransaction() as transaction:
 422         session = transaction.session
 423         try:
 424             pq = session.query(PolicyQueue).filter_by(queue_name=queue_name).one()
 425         except NoResultFound:
 426             print "E: Cannot find policy queue %s" % queue_name
 427             sys.exit(1)
 428
 429         commentsdir = os.path.join(pq.path, 'COMMENTS')
 430         # The comments stuff relies on being in the right directory
 431         os.chdir(pq.path)
 432
 433         do_comments(commentsdir, pq, "REJECT.", "REJECTED.", "NOTOK", comment_reject, transaction)
 434         do_comments(commentsdir, pq, "ACCEPT.", "ACCEPTED.", "OK", comment_accept, transaction)
 435         do_comments(commentsdir, pq, "ACCEPTED.", "ACCEPTED.", "OK", comment_accept, transaction)
 436
 437         remove_unreferenced_binaries(pq, transaction)
 438         remove_unreferenced_sources(pq, transaction)
 439
 440     if not Options['No-Action']:
 441         urgencylog.close()
 442
 443 ################################################################################
 444
 445 if __name__ == '__main__':
 446     main()