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 sys
  37 import traceback
  38 import apt_pkg
  39
  40 from daklib.dbconn import *
  41 from daklib import daklog
  42 from daklib import utils
  43 from daklib.dak_exceptions import CantOpenError, AlreadyLockedError, CantGetLockError
  44 from daklib.config import Config
  45 from daklib.archive import ArchiveTransaction
  46 from daklib.urgencylog import UrgencyLog
  47 from daklib.textutils import fix_maintainer
  48
  49 # Globals
  50 Options = None
  51 Logger = None
  52
  53 ################################################################################
  54
  55 def do_comments(dir, srcqueue, opref, npref, line, fn, transaction):
  56     session = transaction.session
  57     for comm in [ x for x in os.listdir(dir) if x.startswith(opref) ]:
  58         lines = open(os.path.join(dir, comm)).readlines()
  59         if len(lines) == 0 or lines[0] != line + "\n": continue
  60
  61         # If the ACCEPT includes a _<arch> we only accept that .changes.
  62         # Otherwise we accept all .changes that start with the given prefix
  63         changes_prefix = comm[len(opref):]
  64         if changes_prefix.count('_') < 2:
  65             changes_prefix = changes_prefix + '_'
  66         else:
  67             changes_prefix = changes_prefix + '.changes'
  68
  69         uploads = session.query(PolicyQueueUpload).filter_by(policy_queue=srcqueue) \
  70             .join(PolicyQueueUpload.changes).filter(DBChange.changesname.startswith(changes_prefix)) \
  71             .order_by(PolicyQueueUpload.source_id)
  72         for u in uploads:
  73             print "Processing changes file: %s" % u.changes.changesname
  74             fn(u, srcqueue, "".join(lines[1:]), transaction)
  75
  76         if opref != npref:
  77             newcomm = npref + comm[len(opref):]
  78             transaction.fs.move(os.path.join(dir, comm), os.path.join(dir, newcomm))
  79
  80 ################################################################################
  81
  82 def try_or_reject(function):
  83     def wrapper(upload, srcqueue, comments, transaction):
  84         try:
  85             function(upload, srcqueue, comments, transaction)
  86         except Exception as e:
  87             comments = 'An exception was raised while processing the package:\n{0}\nOriginal comments:\n{1}'.format(traceback.format_exc(), comments)
  88             try:
  89                 transaction.rollback()
  90                 real_comment_reject(upload, srcqueue, comments, transaction)
  91             except Exception as e:
  92                 comments = 'In addition an exception was raised while trying to reject the upload:\n{0}\nOriginal rejection:\n{1}'.format(traceback.format_exc(), comments)
  93                 transaction.rollback()
  94                 real_comment_reject(upload, srcqueue, comments, transaction, notify=False)
  95         if not Options['No-Action']:
  96             transaction.commit()
  97     return wrapper
  98
  99 ################################################################################
 100
 101 @try_or_reject
 102 def comment_accept(upload, srcqueue, comments, transaction):
 103     for byhand in upload.byhand:
 104         path = os.path.join(srcqueue.path, byhand.filename)
 105         if os.path.exists(path):
 106             raise Exception('E: cannot ACCEPT upload with unprocessed byhand file {0}'.format(byhand.filename))
 107
 108     cnf = Config()
 109
 110     fs = transaction.fs
 111     session = transaction.session
 112     changesname = upload.changes.changesname
 113     allow_tainted = srcqueue.suite.archive.tainted
 114
 115     # We need overrides to get the target component
 116     overridesuite = upload.target_suite
 117     if overridesuite.overridesuite is not None:
 118         overridesuite = session.query(Suite).filter_by(suite_name=overridesuite.overridesuite).one()
 119
 120     def binary_component_func(db_binary):
 121         override = session.query(Override).filter_by(suite=overridesuite, package=db_binary.package) \
 122             .join(OverrideType).filter(OverrideType.overridetype == db_binary.binarytype) \
 123             .join(Component).one()
 124         return override.component
 125
 126     def source_component_func(db_source):
 127         override = session.query(Override).filter_by(suite=overridesuite, package=db_source.source) \
 128             .join(OverrideType).filter(OverrideType.overridetype == 'dsc') \
 129             .join(Component).one()
 130         return override.component
 131
 132     all_target_suites = [upload.target_suite]
 133     all_target_suites.extend([q.suite for q in upload.target_suite.copy_queues])
 134
 135     for suite in all_target_suites:
 136         if upload.source is not None:
 137             transaction.copy_source(upload.source, suite, source_component_func(upload.source), allow_tainted=allow_tainted)
 138         for db_binary in upload.binaries:
 139             transaction.copy_binary(db_binary, suite, binary_component_func(db_binary), allow_tainted=allow_tainted, extra_archives=[upload.target_suite.archive])
 140
 141     # Copy .changes if needed
 142     if upload.target_suite.copychanges:
 143         src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 144         dst = os.path.join(upload.target_suite.path, upload.changes.changesname)
 145         fs.copy(src, dst, mode=upload.target_suite.archive.mode)
 146
 147     if upload.source is not None and not Options['No-Action']:
 148         urgency = upload.changes.urgency
 149         if urgency not in cnf.value_list('Urgency::Valid'):
 150             urgency = cnf['Urgency::Default']
 151         UrgencyLog().log(upload.source.source, upload.source.version, urgency)
 152
 153     print "  ACCEPT"
 154     if not Options['No-Action']:
 155         Logger.log(["Policy Queue ACCEPT", srcqueue.queue_name, changesname])
 156
 157     # Send announcement
 158     subst = subst_for_upload(upload)
 159     announce = ", ".join(upload.target_suite.announce or [])
 160     tracking = cnf.get('Dinstall::TrackingServer')
 161     if tracking and upload.source is not None:
 162         announce = '{0}\nBcc: {1}@{2}'.format(announce, upload.changes.source, tracking)
 163     subst['__ANNOUNCE_LIST_ADDRESS__'] = announce
 164     message = utils.TemplateSubst(subst, os.path.join(cnf['Dir::Templates'], 'process-unchecked.announce'))
 165     utils.send_mail(message)
 166
 167     # TODO: code duplication. Similar code is in process-upload.
 168     if cnf.find_b('Dinstall::CloseBugs') and upload.changes.closes is not None and upload.source is not None:
 169         for bugnum in upload.changes.closes:
 170             subst['__BUG_NUMBER__'] = bugnum
 171             message = utils.TemplateSubst(subst, os.path.join(cnf['Dir::Templates'], 'process-unchecked.bug-close'))
 172             utils.send_mail(message)
 173
 174             del subst['__BUG_NUMBER__']
 175
 176     # TODO: code duplication. Similar code is in process-upload.
 177     # Move .changes to done
 178     src = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 179     now = datetime.datetime.now()
 180     donedir = os.path.join(cnf['Dir::Done'], now.strftime('%Y/%m/%d'))
 181     dst = os.path.join(donedir, upload.changes.changesname)
 182     dst = utils.find_next_free(dst)
 183     fs.copy(src, dst, mode=0o644)
 184
 185     remove_upload(upload, transaction)
 186
 187 ################################################################################
 188
 189 @try_or_reject
 190 def comment_reject(*args):
 191     real_comment_reject(*args)
 192
 193 def real_comment_reject(upload, srcqueue, comments, transaction, notify=True):
 194     cnf = Config()
 195
 196     fs = transaction.fs
 197     session = transaction.session
 198     changesname = upload.changes.changesname
 199     queuedir = upload.policy_queue.path
 200     rejectdir = cnf['Dir::Reject']
 201
 202     ### Copy files to reject/
 203
 204     poolfiles = [b.poolfile for b in upload.binaries]
 205     if upload.source is not None:
 206         poolfiles.extend([df.poolfile for df in upload.source.srcfiles])
 207     # Not beautiful...
 208     files = [ af.path for af in session.query(ArchiveFile) \
 209                   .filter_by(archive=upload.policy_queue.suite.archive) \
 210                   .join(ArchiveFile.file) \
 211                   .filter(PoolFile.file_id.in_([ f.file_id for f in poolfiles ])) ]
 212     for byhand in upload.byhand:
 213         path = os.path.join(queuedir, byhand.filename)
 214         if os.path.exists(path):
 215             files.append(path)
 216     files.append(os.path.join(queuedir, changesname))
 217
 218     for fn in files:
 219         dst = utils.find_next_free(os.path.join(rejectdir, os.path.basename(fn)))
 220         fs.copy(fn, dst, link=True)
 221
 222     ### Write reason
 223
 224     dst = utils.find_next_free(os.path.join(rejectdir, '{0}.reason'.format(changesname)))
 225     fh = fs.create(dst)
 226     fh.write(comments)
 227     fh.close()
 228
 229     ### Send mail notification
 230
 231     if notify:
 232         subst = subst_for_upload(upload)
 233         subst['__MANUAL_REJECT_MESSAGE__'] = ''
 234         subst['__REJECT_MESSAGE__'] = comments
 235         message = utils.TemplateSubst(subst, os.path.join(cnf['Dir::Templates'], 'queue.rejected'))
 236         utils.send_mail(message)
 237
 238     print "  REJECT"
 239     if not Options["No-Action"]:
 240         Logger.log(["Policy Queue REJECT", srcqueue.queue_name, upload.changes.changesname])
 241
 242     remove_upload(upload, transaction)
 243
 244 ################################################################################
 245
 246 def remove_upload(upload, transaction):
 247     fs = transaction.fs
 248     session = transaction.session
 249     changes = upload.changes
 250
 251     # Remove byhand and changes files. Binary and source packages will be
 252     # removed from {bin,src}_associations and eventually removed by clean-suites automatically.
 253     queuedir = upload.policy_queue.path
 254     for byhand in upload.byhand:
 255         path = os.path.join(queuedir, byhand.filename)
 256         if os.path.exists(path):
 257             fs.unlink(path)
 258         session.delete(byhand)
 259     fs.unlink(os.path.join(queuedir, upload.changes.changesname))
 260
 261     session.delete(upload)
 262     session.delete(changes)
 263     session.flush()
 264
 265 ################################################################################
 266
 267 def subst_for_upload(upload):
 268     # TODO: similar code in process-upload
 269     cnf = Config()
 270
 271     maintainer_field = upload.changes.changedby or upload.changes.maintainer
 272     addresses = utils.mail_addresses_for_upload(upload.changes.maintainer, maintainer_field, upload.changes.fingerprint)
 273
 274     changes_path = os.path.join(upload.policy_queue.path, upload.changes.changesname)
 275     changes_contents = open(changes_path, 'r').read()
 276
 277     bcc = 'X-DAK: dak process-policy'
 278     if 'Dinstall::Bcc' in cnf:
 279         bcc = '{0}\nBcc: {1}'.format(bcc, cnf['Dinstall::Bcc'])
 280
 281     subst = {
 282         '__DISTRO__': cnf['Dinstall::MyDistribution'],
 283         '__ADMIN_ADDRESS__': cnf['Dinstall::MyAdminAddress'],
 284
 285         '__CHANGES_FILENAME__': upload.changes.changesname,
 286         '__SOURCE__': upload.changes.source,
 287         '__VERSION__': upload.changes.version,
 288         '__ARCHITECTURE__': upload.changes.architecture,
 289         '__MAINTAINER__': maintainer_field,
 290         '__MAINTAINER_FROM__': fix_maintainer(maintainer_field)[1],
 291         '__MAINTAINER_TO__': ", ".join(addresses),
 292         '__CC__': 'X-DAK-Rejection: manual or automatic',
 293         '__REJECTOR_ADDRESS__': cnf['Dinstall::MyEmailAddress'],
 294         '__BCC__': bcc,
 295         '__BUG_SERVER__': cnf.get('Dinstall::BugServer'),
 296         '__FILE_CONTENTS__': changes_contents,
 297     }
 298
 299     override_maintainer = cnf.get('Dinstall::OverrideMaintainer')
 300     if override_maintainer:
 301         subst['__MAINTAINER_TO__'] = override_maintainer
 302
 303     return subst
 304
 305 ################################################################################
 306
 307 def remove_unreferenced_binaries(policy_queue, transaction):
 308     """Remove binaries that are no longer referenced by an upload
 309
 310     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 311
 312     @type  transaction: L{daklib.archive.ArchiveTransaction}
 313     """
 314     session = transaction.session
 315     suite = policy_queue.suite
 316
 317     query = """
 318        SELECT b.*
 319          FROM binaries b
 320          JOIN bin_associations ba ON b.id = ba.bin
 321         WHERE ba.suite = :suite_id
 322           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload_binaries_map pqubm
 323                                    JOIN policy_queue_upload pqu ON pqubm.policy_queue_upload_id = pqu.id
 324                                   WHERE pqu.policy_queue_id = :policy_queue_id
 325                                     AND pqubm.binary_id = b.id)"""
 326     binaries = session.query(DBBinary).from_statement(query) \
 327         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 328
 329     for binary in binaries:
 330         Logger.log(["removed binary from policy queue", policy_queue.queue_name, binary.package, binary.version])
 331         transaction.remove_binary(binary, suite)
 332
 333 def remove_unreferenced_sources(policy_queue, transaction):
 334     """Remove sources that are no longer referenced by an upload or a binary
 335
 336     @type  policy_queue: L{daklib.dbconn.PolicyQueue}
 337
 338     @type  transaction: L{daklib.archive.ArchiveTransaction}
 339     """
 340     session = transaction.session
 341     suite = policy_queue.suite
 342
 343     query = """
 344        SELECT s.*
 345          FROM source s
 346          JOIN src_associations sa ON s.id = sa.source
 347         WHERE sa.suite = :suite_id
 348           AND NOT EXISTS (SELECT 1 FROM policy_queue_upload pqu
 349                                   WHERE pqu.policy_queue_id = :policy_queue_id
 350                                     AND pqu.source_id = s.id)
 351           AND NOT EXISTS (SELECT 1 FROM binaries b
 352                                    JOIN bin_associations ba ON b.id = ba.bin
 353                                   WHERE b.source = s.id
 354                                     AND ba.suite = :suite_id)"""
 355     sources = session.query(DBSource).from_statement(query) \
 356         .params({'suite_id': policy_queue.suite_id, 'policy_queue_id': policy_queue.policy_queue_id})
 357
 358     for source in sources:
 359         Logger.log(["removed source from policy queue", policy_queue.queue_name, source.source, source.version])
 360         transaction.remove_source(source, suite)
 361
 362 ################################################################################
 363
 364 def main():
 365     global Options, Logger
 366
 367     cnf = Config()
 368     session = DBConn().session()
 369
 370     Arguments = [('h',"help","Process-Policy::Options::Help"),
 371                  ('n',"no-action","Process-Policy::Options::No-Action")]
 372
 373     for i in ["help", "no-action"]:
 374         if not cnf.has_key("Process-Policy::Options::%s" % (i)):
 375             cnf["Process-Policy::Options::%s" % (i)] = ""
 376
 377     queue_name = apt_pkg.parse_commandline(cnf.Cnf,Arguments,sys.argv)
 378
 379     if len(queue_name) != 1:
 380         print "E: Specify exactly one policy queue"
 381         sys.exit(1)
 382
 383     queue_name = queue_name[0]
 384
 385     Options = cnf.subtree("Process-Policy::Options")
 386
 387     if Options["Help"]:
 388         usage()
 389
 390     Logger = daklog.Logger("process-policy")
 391     if not Options["No-Action"]:
 392         urgencylog = UrgencyLog()
 393
 394     with ArchiveTransaction() as transaction:
 395         session = transaction.session
 396         try:
 397             pq = session.query(PolicyQueue).filter_by(queue_name=queue_name).one()
 398         except NoResultFound:
 399             print "E: Cannot find policy queue %s" % queue_name
 400             sys.exit(1)
 401
 402         commentsdir = os.path.join(pq.path, 'COMMENTS')
 403         # The comments stuff relies on being in the right directory
 404         os.chdir(pq.path)
 405
 406         do_comments(commentsdir, pq, "ACCEPT.", "ACCEPTED.", "OK", comment_accept, transaction)
 407         do_comments(commentsdir, pq, "ACCEPTED.", "ACCEPTED.", "OK", comment_accept, transaction)
 408         do_comments(commentsdir, pq, "REJECT.", "REJECTED.", "NOTOK", comment_reject, transaction)
 409
 410         remove_unreferenced_binaries(pq, transaction)
 411         remove_unreferenced_sources(pq, transaction)
 412
 413     if not Options['No-Action']:
 414         urgencylog.close()
 415
 416 ################################################################################
 417
 418 if __name__ == '__main__':
 419     main()