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