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