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 ################################################################################
41 from tempfile import mkstemp, mkdtemp
43 from sqlalchemy.orm import object_session
45 from daklib import utils, daklog
46 from daklib.regexes import re_gensubrelease, re_includeinrelease
47 from daklib.dak_exceptions import *
48 from daklib.dbconn import *
49 from daklib.config import Config
50 from daklib.dakmultiprocessing import DakProcessPool, PROC_STATUS_SUCCESS
52 ################################################################################
53 Logger = None #: Our logging object
55 ################################################################################
57 def usage (exit_code=0):
58 """ Usage information"""
60 print """Usage: dak generate-releases [OPTIONS]
61 Generate the Release files
63 -a, --archive=ARCHIVE process suites in ARCHIVE
64 -s, --suite=SUITE(s) process this suite
65 Default: All suites not marked 'untouchable'
66 -f, --force Allow processing of untouchable suites
67 CAREFUL: Only to be used at (point) release time!
68 -h, --help show this help and exit
70 SUITE can be a space seperated list, e.g.
71 --suite=unstable testing
75 ########################################################################
77 def sign_release_dir(suite, dirname):
80 if cnf.has_key("Dinstall::SigningKeyring"):
81 keyring = "--secret-keyring \"%s\"" % cnf["Dinstall::SigningKeyring"]
82 if cnf.has_key("Dinstall::SigningPubKeyring"):
83 keyring += " --keyring \"%s\"" % cnf["Dinstall::SigningPubKeyring"]
85 arguments = "--no-options --batch --no-tty --armour"
87 relname = os.path.join(dirname, 'Release')
89 dest = os.path.join(dirname, 'Release.gpg')
90 if os.path.exists(dest):
93 inlinedest = os.path.join(dirname, 'InRelease')
94 if os.path.exists(inlinedest):
97 # We can only use one key for inline signing so use the first one in
98 # the array for consistency
101 for keyid in suite.signingkeys or []:
102 defkeyid = "--default-key %s" % keyid
104 os.system("gpg %s %s %s --detach-sign <%s >>%s" %
105 (keyring, defkeyid, arguments, relname, dest))
108 os.system("gpg %s %s %s --clearsign <%s >>%s" %
109 (keyring, defkeyid, arguments, relname, inlinedest))
112 class ReleaseWriter(object):
113 def __init__(self, suite):
116 def generate_release_files(self):
118 Generate Release files for the given suite
121 @param suite: Suite name
125 session = object_session(suite)
127 architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
129 # Attribs contains a tuple of field names and the database names to use to
131 attribs = ( ('Origin', 'origin'),
133 ('Suite', 'suite_name'),
134 ('Version', 'version'),
135 ('Codename', 'codename') )
137 # A "Sub" Release file has slightly different fields
138 subattribs = ( ('Archive', 'suite_name'),
139 ('Origin', 'origin'),
141 ('Version', 'version') )
143 # Boolean stuff. If we find it true in database, write out "yes" into the release file
144 boolattrs = ( ('NotAutomatic', 'notautomatic'),
145 ('ButAutomaticUpgrades', 'butautomaticupgrades') )
149 suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
151 outfile = os.path.join(suite.archive.path, 'dists', suite.suite_name, suite_suffix, "Release")
152 out = open(outfile + ".new", "w")
154 for key, dbfield in attribs:
155 if getattr(suite, dbfield) is not None:
156 # TEMPORARY HACK HACK HACK until we change the way we store the suite names etc
157 if key == 'Suite' and getattr(suite, dbfield) == 'squeeze-updates':
158 out.write("Suite: stable-updates\n")
159 elif key == 'Suite' and getattr(suite, dbfield) == 'wheezy-updates':
160 out.write("Suite: testing-updates\n")
162 out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
164 out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
167 validtime=float(suite.validtime)
168 out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
170 for key, dbfield in boolattrs:
171 if getattr(suite, dbfield, False):
172 out.write("%s: yes\n" % (key))
174 out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
176 ## FIXME: Components need to be adjusted to whatever will be in the db
177 ## Needs putting in the DB
178 components = ['main', 'contrib', 'non-free']
180 out.write("Components: %s\n" % ( " ".join(map(lambda x: "%s%s" % (suite_suffix, x), components ))))
182 # For exact compatibility with old g-r, write out Description here instead
183 # of with the rest of the DB fields above
184 if getattr(suite, 'description') is not None:
185 out.write("Description: %s\n" % suite.description)
187 for comp in components:
188 for dirpath, dirnames, filenames in os.walk(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix, comp), topdown=True):
189 if not re_gensubrelease.match(dirpath):
192 subfile = os.path.join(dirpath, "Release")
193 subrel = open(subfile + '.new', "w")
195 for key, dbfield in subattribs:
196 if getattr(suite, dbfield) is not None:
197 subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
199 for key, dbfield in boolattrs:
200 if getattr(suite, dbfield, False):
201 subrel.write("%s: yes\n" % (key))
203 subrel.write("Component: %s%s\n" % (suite_suffix, comp))
205 # Urgh, but until we have all the suite/component/arch stuff in the DB,
207 arch = os.path.split(dirpath)[-1]
208 if arch.startswith('binary-'):
211 subrel.write("Architecture: %s\n" % (arch))
214 os.rename(subfile + '.new', subfile)
216 # Now that we have done the groundwork, we want to get off and add the files with
217 # their checksums to the main Release file
220 os.chdir(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix))
222 hashfuncs = { 'MD5Sum' : apt_pkg.md5sum,
223 'SHA1' : apt_pkg.sha1sum,
224 'SHA256' : apt_pkg.sha256sum }
230 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
231 for entry in filenames:
232 # Skip things we don't want to include
233 if not re_includeinrelease.match(entry):
236 if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
239 filename = os.path.join(dirpath.lstrip('./'), entry)
240 fileinfo[filename] = {}
241 contents = open(filename, 'r').read()
243 # If we find a file for which we have a compressed version and
244 # haven't yet seen the uncompressed one, store the possibility
246 if entry.endswith(".gz") and entry[:-3] not in uncompnotseen.keys():
247 uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
248 elif entry.endswith(".bz2") and entry[:-4] not in uncompnotseen.keys():
249 uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
251 fileinfo[filename]['len'] = len(contents)
253 for hf, func in hashfuncs.items():
254 fileinfo[filename][hf] = func(contents)
256 for filename, comp in uncompnotseen.items():
257 # If we've already seen the uncompressed file, we don't
258 # need to do anything again
259 if filename in fileinfo.keys():
262 # Skip uncompressed Contents files as they're huge, take ages to
263 # checksum and we checksum the compressed ones anyways
264 if os.path.basename(filename).startswith("Contents"):
267 fileinfo[filename] = {}
269 # File handler is comp[0], filename of compressed file is comp[1]
270 contents = comp[0](comp[1], 'r').read()
272 fileinfo[filename]['len'] = len(contents)
274 for hf, func in hashfuncs.items():
275 fileinfo[filename][hf] = func(contents)
278 for h in sorted(hashfuncs.keys()):
279 out.write('%s:\n' % h)
280 for filename in sorted(fileinfo.keys()):
281 out.write(" %s %8d %s\n" % (fileinfo[filename][h], fileinfo[filename]['len'], filename))
284 os.rename(outfile + '.new', outfile)
286 sign_release_dir(suite, os.path.dirname(outfile))
298 for i in ["Help", "Suite", "Force"]:
299 if not cnf.has_key("Generate-Releases::Options::%s" % (i)):
300 cnf["Generate-Releases::Options::%s" % (i)] = ""
302 Arguments = [('h',"help","Generate-Releases::Options::Help"),
303 ('a','archive','Generate-Releases::Options::Archive','HasArg'),
304 ('s',"suite","Generate-Releases::Options::Suite"),
305 ('f',"force","Generate-Releases::Options::Force"),
306 ('o','option','','ArbItem')]
308 suite_names = apt_pkg.parse_commandline(cnf.Cnf, Arguments, sys.argv)
309 Options = cnf.subtree("Generate-Releases::Options")
314 Logger = daklog.Logger('generate-releases')
315 pool = DakProcessPool()
317 session = DBConn().session()
321 for s in suite_names:
322 suite = get_suite(s.lower(), session)
326 print "cannot find suite %s" % s
327 Logger.log(['cannot find suite %s' % s])
329 query = session.query(Suite).filter(Suite.untouchable == False)
330 if 'Archive' in Options:
331 query = query.join(Suite.archive).filter(Archive.archive_name==Options['Archive'])
337 # Setup a multiprocessing Pool. As many workers as we have CPU cores.
338 if s.untouchable and not Options["Force"]:
339 print "Skipping %s (untouchable)" % s.suite_name
342 print "Processing %s" % s.suite_name
343 Logger.log(['Processing release file for Suite: %s' % (s.suite_name)])
344 pool.apply_async(generate_helper, (s.suite_id, ))
346 # No more work will be added to our pool, close it and then wait for all to finish
350 retcode = pool.overall_status()
353 # TODO: CENTRAL FUNCTION FOR THIS / IMPROVE LOGGING
354 Logger.log(['Release file generation broken: %s' % (','.join([str(x[1]) for x in pool.results]))])
360 def generate_helper(suite_id):
362 This function is called in a new subprocess.
364 session = DBConn().session()
365 suite = Suite.get(suite_id, session)
367 # We allow the process handler to catch and deal with any exceptions
368 rw = ReleaseWriter(suite)
369 rw.generate_release_files()
371 return (PROC_STATUS_SUCCESS, 'Release file written for %s' % suite.suite_name)
373 #######################################################################################
375 if __name__ == '__main__':