4 Create all the Release files
6 @contact: Debian FTPMaster <ftpmaster@debian.org>
7 @copyright: 2011 Joerg Jaspert <joerg@debian.org>
8 @copyright: 2011 Mark Hymers <mhy@debian.org>
9 @license: GNU General Public License version 2 or later
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.
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.
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
27 ################################################################################
29 # <mhy> I wish they wouldnt leave biscuits out, thats just tempting. Damnit.
31 ################################################################################
43 from tempfile import mkstemp, mkdtemp
45 from sqlalchemy.orm import object_session
47 from daklib import utils, daklog
48 from daklib.regexes import re_gensubrelease, re_includeinrelease
49 from daklib.dak_exceptions import *
50 from daklib.dbconn import *
51 from daklib.config import Config
52 from daklib.dakmultiprocessing import DakProcessPool, PROC_STATUS_SUCCESS
53 import daklib.daksubprocess
55 ################################################################################
56 Logger = None #: Our logging object
58 ################################################################################
60 def usage (exit_code=0):
61 """ Usage information"""
63 print """Usage: dak generate-releases [OPTIONS]
64 Generate the Release files
66 -a, --archive=ARCHIVE process suites in ARCHIVE
67 -s, --suite=SUITE(s) process this suite
68 Default: All suites not marked 'untouchable'
69 -f, --force Allow processing of untouchable suites
70 CAREFUL: Only to be used at (point) release time!
71 -h, --help show this help and exit
72 -q, --quiet Don't output progress
74 SUITE can be a space separated list, e.g.
75 --suite=unstable testing
79 ########################################################################
81 def sign_release_dir(suite, dirname):
84 if cnf.has_key("Dinstall::SigningKeyring"):
85 keyring = "--secret-keyring \"%s\"" % cnf["Dinstall::SigningKeyring"]
86 if cnf.has_key("Dinstall::SigningPubKeyring"):
87 keyring += " --keyring \"%s\"" % cnf["Dinstall::SigningPubKeyring"]
89 arguments = "--no-options --batch --no-tty --armour --personal-digest-preferences=SHA256"
91 relname = os.path.join(dirname, 'Release')
93 dest = os.path.join(dirname, 'Release.gpg')
94 if os.path.exists(dest):
97 inlinedest = os.path.join(dirname, 'InRelease')
98 if os.path.exists(inlinedest):
102 for keyid in suite.signingkeys or []:
103 defkeyid += "--local-user %s " % keyid
105 os.system("gpg %s %s %s --detach-sign <%s >>%s" %
106 (keyring, defkeyid, arguments, relname, dest))
107 os.system("gpg %s %s %s --clearsign <%s >>%s" %
108 (keyring, defkeyid, arguments, relname, inlinedest))
110 class XzFile(object):
111 def __init__(self, filename, mode='r'):
112 self.filename = filename
115 with open(self.filename, 'r') as stdin:
116 process = daklib.daksubprocess.Popen(cmd, stdin=stdin, stdout=subprocess.PIPE)
117 (stdout, stderr) = process.communicate()
120 class ReleaseWriter(object):
121 def __init__(self, suite):
124 def suite_path(self):
126 Absolute path to the suite-specific files.
129 suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
131 return os.path.join(self.suite.archive.path, 'dists',
132 self.suite.suite_name, suite_suffix)
134 def suite_release_path(self):
136 Absolute path where Release files are physically stored.
137 This should be a path that sorts after the dists/ directory.
139 # TODO: Eventually always create Release in `zzz-dists` to avoid
140 # special cases. However we don't want to move existing Release files
141 # for released suites.
142 # See `create_release_symlinks` below.
143 if not self.suite.byhash:
144 return self.suite_path()
147 suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
149 return os.path.join(self.suite.archive.path, 'zzz-dists',
150 self.suite.suite_name, suite_suffix)
152 def create_release_symlinks(self):
154 Create symlinks for Release files.
155 This creates the symlinks for Release files in the `suite_path`
156 to the actual files in `suite_release_path`.
158 # TODO: Eventually always create the links.
159 # See `suite_release_path` above.
160 if not self.suite.byhash:
163 relpath = os.path.relpath(self.suite_release_path(), self.suite_path())
164 for f in ("Release", "Release.gpg", "InRelease"):
165 source = os.path.join(relpath, f)
166 dest = os.path.join(self.suite_path(), f)
167 if not os.path.islink(dest):
169 elif os.readlink(dest) == source:
173 os.symlink(source, dest)
175 def create_output_directories(self):
176 for path in (self.suite_path(), self.suite_release_path()):
180 if e.errno != errno.EEXIST:
183 def generate_release_files(self):
185 Generate Release files for the given suite
188 @param suite: Suite name
192 session = object_session(suite)
194 architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
196 # Attribs contains a tuple of field names and the database names to use to
198 attribs = ( ('Origin', 'origin'),
200 ('Suite', 'release_suite_output'),
201 ('Version', 'version'),
202 ('Codename', 'codename'),
203 ('Changelogs', 'changelog_url'),
206 # A "Sub" Release file has slightly different fields
207 subattribs = ( ('Archive', 'suite_name'),
208 ('Origin', 'origin'),
210 ('Version', 'version') )
212 # Boolean stuff. If we find it true in database, write out "yes" into the release file
213 boolattrs = ( ('NotAutomatic', 'notautomatic'),
214 ('ButAutomaticUpgrades', 'butautomaticupgrades'),
215 ('Acquire-By-Hash', 'byhash'),
220 suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
222 self.create_output_directories()
223 self.create_release_symlinks()
225 outfile = os.path.join(self.suite_release_path(), "Release")
226 out = open(outfile + ".new", "w")
228 for key, dbfield in attribs:
229 # Hack to skip NULL Version fields as we used to do this
230 # We should probably just always ignore anything which is None
231 if key in ("Version", "Changelogs") and getattr(suite, dbfield) is None:
234 out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
236 out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
239 validtime=float(suite.validtime)
240 out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
242 for key, dbfield in boolattrs:
243 if getattr(suite, dbfield, False):
244 out.write("%s: yes\n" % (key))
246 out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
248 components = [ c.component_name for c in suite.components ]
250 out.write("Components: %s\n" % (" ".join(components)))
252 # For exact compatibility with old g-r, write out Description here instead
253 # of with the rest of the DB fields above
254 if getattr(suite, 'description') is not None:
255 out.write("Description: %s\n" % suite.description)
257 for comp in components:
258 for dirpath, dirnames, filenames in os.walk(os.path.join(self.suite_path(), comp), topdown=True):
259 if not re_gensubrelease.match(dirpath):
262 subfile = os.path.join(dirpath, "Release")
263 subrel = open(subfile + '.new', "w")
265 for key, dbfield in subattribs:
266 if getattr(suite, dbfield) is not None:
267 subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
269 for key, dbfield in boolattrs:
270 if getattr(suite, dbfield, False):
271 subrel.write("%s: yes\n" % (key))
273 subrel.write("Component: %s%s\n" % (suite_suffix, comp))
275 # Urgh, but until we have all the suite/component/arch stuff in the DB,
277 arch = os.path.split(dirpath)[-1]
278 if arch.startswith('binary-'):
281 subrel.write("Architecture: %s\n" % (arch))
284 os.rename(subfile + '.new', subfile)
286 # Now that we have done the groundwork, we want to get off and add the files with
287 # their checksums to the main Release file
290 os.chdir(self.suite_path())
292 hashfuncs = dict(zip([x.upper().replace('UM', 'um') for x in suite.checksums],
293 [getattr(apt_pkg, "%s" % (x)) for x in [x.replace("sum", "") + "sum" for x in suite.checksums]]))
299 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
300 for entry in filenames:
301 # Skip things we don't want to include
302 if not re_includeinrelease.match(entry):
305 if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
308 filename = os.path.join(dirpath.lstrip('./'), entry)
309 fileinfo[filename] = {}
310 contents = open(filename, 'r').read()
312 # If we find a file for which we have a compressed version and
313 # haven't yet seen the uncompressed one, store the possibility
315 if entry.endswith(".gz") and filename[:-3] not in uncompnotseen:
316 uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
317 elif entry.endswith(".bz2") and filename[:-4] not in uncompnotseen:
318 uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
319 elif entry.endswith(".xz") and filename[:-3] not in uncompnotseen:
320 uncompnotseen[filename[:-3]] = (XzFile, filename)
322 fileinfo[filename]['len'] = len(contents)
324 for hf, func in hashfuncs.items():
325 fileinfo[filename][hf] = func(contents)
327 for filename, comp in uncompnotseen.items():
328 # If we've already seen the uncompressed file, we don't
329 # need to do anything again
330 if filename in fileinfo:
333 fileinfo[filename] = {}
335 # File handler is comp[0], filename of compressed file is comp[1]
336 contents = comp[0](comp[1], 'r').read()
338 fileinfo[filename]['len'] = len(contents)
340 for hf, func in hashfuncs.items():
341 fileinfo[filename][hf] = func(contents)
344 for h in sorted(hashfuncs.keys()):
345 out.write('%s:\n' % h)
346 for filename in sorted(fileinfo.keys()):
347 out.write(" %s %8d %s\n" % (fileinfo[filename][h], fileinfo[filename]['len'], filename))
350 os.rename(outfile + '.new', outfile)
354 UPDATE hashfile SET unreferenced = CURRENT_TIMESTAMP
355 WHERE suite_id = :id AND unreferenced IS NULL"""
356 session.execute(query, {'id': suite.suite_id})
358 for filename in fileinfo:
359 if not os.path.exists(filename):
360 # probably an uncompressed index we didn't generate
364 hashfile = os.path.join(os.path.dirname(filename), 'by-hash', h, fileinfo[filename][h])
365 query = "SELECT 1 FROM hashfile WHERE path = :p AND suite_id = :id"
368 {'p': hashfile, 'id': suite.suite_id})
371 UPDATE hashfile SET unreferenced = NULL
372 WHERE path = :p and suite_id = :id''',
373 {'p': hashfile, 'id': suite.suite_id})
376 INSERT INTO hashfile (path, suite_id)
378 {'p': hashfile, 'id': suite.suite_id})
381 os.makedirs(os.path.dirname(hashfile))
382 except OSError as exc:
383 if exc.errno != errno.EEXIST:
386 os.link(filename, hashfile)
387 except OSError as exc:
388 if exc.errno != errno.EEXIST:
393 sign_release_dir(suite, os.path.dirname(outfile))
405 for i in ["Help", "Suite", "Force", "Quiet"]:
406 if not cnf.has_key("Generate-Releases::Options::%s" % (i)):
407 cnf["Generate-Releases::Options::%s" % (i)] = ""
409 Arguments = [('h',"help","Generate-Releases::Options::Help"),
410 ('a','archive','Generate-Releases::Options::Archive','HasArg'),
411 ('s',"suite","Generate-Releases::Options::Suite"),
412 ('f',"force","Generate-Releases::Options::Force"),
413 ('q',"quiet","Generate-Releases::Options::Quiet"),
414 ('o','option','','ArbItem')]
416 suite_names = apt_pkg.parse_commandline(cnf.Cnf, Arguments, sys.argv)
417 Options = cnf.subtree("Generate-Releases::Options")
422 Logger = daklog.Logger('generate-releases')
423 pool = DakProcessPool()
425 session = DBConn().session()
429 for s in suite_names:
430 suite = get_suite(s.lower(), session)
434 print "cannot find suite %s" % s
435 Logger.log(['cannot find suite %s' % s])
437 query = session.query(Suite).filter(Suite.untouchable == False)
438 if 'Archive' in Options:
439 query = query.join(Suite.archive).filter(Archive.archive_name==Options['Archive'])
445 # Setup a multiprocessing Pool. As many workers as we have CPU cores.
446 if s.untouchable and not Options["Force"]:
447 print "Skipping %s (untouchable)" % s.suite_name
450 if not Options["Quiet"]:
451 print "Processing %s" % s.suite_name
452 Logger.log(['Processing release file for Suite: %s' % (s.suite_name)])
453 pool.apply_async(generate_helper, (s.suite_id, ))
455 # No more work will be added to our pool, close it and then wait for all to finish
459 retcode = pool.overall_status()
462 # TODO: CENTRAL FUNCTION FOR THIS / IMPROVE LOGGING
463 Logger.log(['Release file generation broken: %s' % (','.join([str(x[1]) for x in pool.results]))])
469 def generate_helper(suite_id):
471 This function is called in a new subprocess.
473 session = DBConn().session()
474 suite = Suite.get(suite_id, session)
476 # We allow the process handler to catch and deal with any exceptions
477 rw = ReleaseWriter(suite)
478 rw.generate_release_files()
480 return (PROC_STATUS_SUCCESS, 'Release file written for %s' % suite.suite_name)
482 #######################################################################################
484 if __name__ == '__main__':