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 multiprocessing import Pool, TimeoutError
44 from sqlalchemy.orm import object_session
46 from daklib import utils, daklog
47 from daklib.regexes import re_gensubrelease, re_includeinrelease
48 from daklib.dak_exceptions import *
49 from daklib.dbconn import *
50 from daklib.config import Config
52 ################################################################################
53 Logger = None #: Our logging object
54 results = [] #: Results of the subprocesses
56 ################################################################################
58 def usage (exit_code=0):
59 """ Usage information"""
61 print """Usage: dak generate-releases [OPTIONS]
62 Generate the Release files
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 ########################################################################
82 def sign_release_dir(suite, dirname):
85 if cnf.has_key("Dinstall::SigningKeyring"):
86 keyring = "--secret-keyring \"%s\"" % cnf["Dinstall::SigningKeyring"]
87 if cnf.has_key("Dinstall::SigningPubKeyring"):
88 keyring += " --keyring \"%s\"" % cnf["Dinstall::SigningPubKeyring"]
90 arguments = "--no-options --batch --no-tty --armour"
92 relname = os.path.join(dirname, 'Release')
94 dest = os.path.join(dirname, 'Release.gpg')
95 if os.path.exists(dest):
98 inlinedest = os.path.join(dirname, 'InRelease')
99 if os.path.exists(inlinedest):
100 os.unlink(inlinedest)
102 # We can only use one key for inline signing so use the first one in
103 # the array for consistency
106 for keyid in suite.signingkeys:
107 defkeyid = "--default-key %s" % keyid
109 os.system("gpg %s %s %s --detach-sign <%s >>%s" %
110 (keyring, defkeyid, arguments, relname, dest))
113 os.system("gpg %s %s %s --clearsign <%s >>%s" %
114 (keyring, defkeyid, arguments, relname, inlinedest))
117 class ReleaseWriter(object):
118 def __init__(self, suite):
121 def generate_release_files(self):
123 Generate Release files for the given suite
126 @param suite: Suite name
130 session = object_session(suite)
132 architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
134 # Attribs contains a tuple of field names and the database names to use to
136 attribs = ( ('Origin', 'origin'),
138 ('Suite', 'suite_name'),
139 ('Version', 'version'),
140 ('Codename', 'codename') )
142 # A "Sub" Release file has slightly different fields
143 subattribs = ( ('Archive', 'suite_name'),
144 ('Origin', 'origin'),
146 ('Version', 'version') )
148 # Boolean stuff. If we find it true in database, write out "yes" into the release file
149 boolattrs = ( ('NotAutomatic', 'notautomatic'),
150 ('ButAutomaticUpgrades', 'butautomaticupgrades') )
154 suite_suffix = "%s" % (cnf.Find("Dinstall::SuiteSuffix"))
156 outfile = os.path.join(cnf["Dir::Root"], 'dists', "%s/%s" % (suite.suite_name, suite_suffix), "Release")
157 out = open(outfile + ".new", "w")
159 for key, dbfield in attribs:
160 if getattr(suite, dbfield) is not None:
161 # TEMPORARY HACK HACK HACK until we change the way we store the suite names etc
162 if key == 'Suite' and getattr(suite, dbfield) == 'squeeze-updates':
163 out.write("Suite: stable-updates\n")
165 out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
167 out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
170 validtime=float(suite.validtime)
171 out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
173 for key, dbfield in boolattrs:
174 if getattr(suite, dbfield, False):
175 out.write("%s: yes\n" % (key))
177 out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
179 ## FIXME: Components need to be adjusted to whatever will be in the db
180 ## Needs putting in the DB
181 components = ['main', 'contrib', 'non-free']
183 out.write("Components: %s\n" % ( " ".join(map(lambda x: "%s%s" % (suite_suffix, x), components ))))
185 # For exact compatibility with old g-r, write out Description here instead
186 # of with the rest of the DB fields above
187 if getattr(suite, 'description') is not None:
188 out.write("Description: %s\n" % suite.description)
190 for comp in components:
191 for dirpath, dirnames, filenames in os.walk("%sdists/%s/%s%s" % (cnf["Dir::Root"], suite.suite_name, suite_suffix, comp), topdown=True):
192 if not re_gensubrelease.match(dirpath):
195 subfile = os.path.join(dirpath, "Release")
196 subrel = open(subfile + '.new', "w")
198 for key, dbfield in subattribs:
199 if getattr(suite, dbfield) is not None:
200 subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
202 for key, dbfield in boolattrs:
203 if getattr(suite, dbfield, False):
204 subrel.write("%s: yes\n" % (key))
206 subrel.write("Component: %s%s\n" % (suite_suffix, comp))
208 # Urgh, but until we have all the suite/component/arch stuff in the DB,
210 arch = os.path.split(dirpath)[-1]
211 if arch.startswith('binary-'):
214 subrel.write("Architecture: %s\n" % (arch))
217 os.rename(subfile + '.new', subfile)
219 # Now that we have done the groundwork, we want to get off and add the files with
220 # their checksums to the main Release file
223 os.chdir("%sdists/%s/%s" % (cnf["Dir::Root"], suite.suite_name, suite_suffix))
225 hashfuncs = { 'MD5Sum' : apt_pkg.md5sum,
226 'SHA1' : apt_pkg.sha1sum,
227 'SHA256' : apt_pkg.sha256sum }
233 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
234 for entry in filenames:
235 # Skip things we don't want to include
236 if not re_includeinrelease.match(entry):
239 if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
242 filename = os.path.join(dirpath.lstrip('./'), entry)
243 fileinfo[filename] = {}
244 contents = open(filename, 'r').read()
246 # If we find a file for which we have a compressed version and
247 # haven't yet seen the uncompressed one, store the possibility
249 if entry.endswith(".gz") and entry[:-3] not in uncompnotseen.keys():
250 uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
251 elif entry.endswith(".bz2") and entry[:-4] not in uncompnotseen.keys():
252 uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
254 fileinfo[filename]['len'] = len(contents)
256 for hf, func in hashfuncs.items():
257 fileinfo[filename][hf] = func(contents)
259 for filename, comp in uncompnotseen.items():
260 # If we've already seen the uncompressed file, we don't
261 # need to do anything again
262 if filename in fileinfo.keys():
265 # Skip uncompressed Contents files as they're huge, take ages to
266 # checksum and we checksum the compressed ones anyways
267 if os.path.basename(filename).startswith("Contents"):
270 fileinfo[filename] = {}
272 # File handler is comp[0], filename of compressed file is comp[1]
273 contents = comp[0](comp[1], 'r').read()
275 fileinfo[filename]['len'] = len(contents)
277 for hf, func in hashfuncs.items():
278 fileinfo[filename][hf] = func(contents)
281 for h in sorted(hashfuncs.keys()):
282 out.write('%s:\n' % h)
283 for filename in sorted(fileinfo.keys()):
284 out.write(" %s %8d %s\n" % (fileinfo[filename][h], fileinfo[filename]['len'], filename))
287 os.rename(outfile + '.new', outfile)
289 sign_release_dir(suite, os.path.dirname(outfile))
297 global Logger, results
301 for i in ["Help", "Suite", "Force"]:
302 if not cnf.has_key("Generate-Releases::Options::%s" % (i)):
303 cnf["Generate-Releases::Options::%s" % (i)] = ""
305 Arguments = [('h',"help","Generate-Releases::Options::Help"),
306 ('s',"suite","Generate-Releases::Options::Suite"),
307 ('f',"force","Generate-Releases::Options::Force")]
309 suite_names = apt_pkg.ParseCommandLine(cnf.Cnf, Arguments, sys.argv)
310 Options = cnf.SubTree("Generate-Releases::Options")
315 Logger = daklog.Logger(cnf, 'generate-releases')
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 suites = session.query(Suite).filter(Suite.untouchable == False).all()
332 # For each given suite, run one process
338 # Setup a multiprocessing Pool. As many workers as we have CPU cores.
339 if s.untouchable and not Options["Force"]:
340 print "Skipping %s (untouchable)" % s.suite_name
343 print "Processing %s" % s.suite_name
344 Logger.log(['Processing release file for Suite: %s' % (s.suite_name)])
345 pool.apply_async(generate_helper, (s.suite_id, ), callback=get_result)
347 # No more work will be added to our pool, close it and then wait for all to finish
354 Logger.log(['Release file generation broken: %s' % (results)])
355 print "Release file generation broken:\n", '\n'.join(results)
362 def generate_helper(suite_id):
364 This function is called in a new subprocess.
366 session = DBConn().session()
367 suite = Suite.get(suite_id, session)
369 rw = ReleaseWriter(suite)
370 rw.generate_release_files()
376 #######################################################################################
378 if __name__ == '__main__':