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
69 -q, --quiet Don't output progress
71 SUITE can be a space seperated list, e.g.
72 --suite=unstable testing
76 ########################################################################
78 def sign_release_dir(suite, dirname):
81 if cnf.has_key("Dinstall::SigningKeyring"):
82 keyring = "--secret-keyring \"%s\"" % cnf["Dinstall::SigningKeyring"]
83 if cnf.has_key("Dinstall::SigningPubKeyring"):
84 keyring += " --keyring \"%s\"" % cnf["Dinstall::SigningPubKeyring"]
86 arguments = "--no-options --batch --no-tty --armour"
88 relname = os.path.join(dirname, 'Release')
90 dest = os.path.join(dirname, 'Release.gpg')
91 if os.path.exists(dest):
94 inlinedest = os.path.join(dirname, 'InRelease')
95 if os.path.exists(inlinedest):
98 # We can only use one key for inline signing so use the first one in
99 # the array for consistency
102 for keyid in suite.signingkeys or []:
103 defkeyid = "--default-key %s" % keyid
105 os.system("gpg %s %s %s --detach-sign <%s >>%s" %
106 (keyring, defkeyid, arguments, relname, dest))
109 os.system("gpg %s %s %s --clearsign <%s >>%s" %
110 (keyring, defkeyid, arguments, relname, inlinedest))
113 class ReleaseWriter(object):
114 def __init__(self, suite):
117 def generate_release_files(self):
119 Generate Release files for the given suite
122 @param suite: Suite name
126 session = object_session(suite)
128 architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
130 # Attribs contains a tuple of field names and the database names to use to
132 attribs = ( ('Origin', 'origin'),
134 ('Suite', 'suite_name'),
135 ('Version', 'version'),
136 ('Codename', 'codename') )
138 # A "Sub" Release file has slightly different fields
139 subattribs = ( ('Archive', 'suite_name'),
140 ('Origin', 'origin'),
142 ('Version', 'version') )
144 # Boolean stuff. If we find it true in database, write out "yes" into the release file
145 boolattrs = ( ('NotAutomatic', 'notautomatic'),
146 ('ButAutomaticUpgrades', 'butautomaticupgrades') )
150 suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
152 outfile = os.path.join(suite.archive.path, 'dists', suite.suite_name, suite_suffix, "Release")
153 out = open(outfile + ".new", "w")
155 for key, dbfield in attribs:
156 if getattr(suite, dbfield) is not None:
157 # TEMPORARY HACK HACK HACK until we change the way we store the suite names etc
158 if key == 'Suite' and getattr(suite, dbfield) == 'squeeze-updates':
159 out.write("Suite: stable-updates\n")
160 elif key == 'Suite' and getattr(suite, dbfield) == 'wheezy-updates':
161 out.write("Suite: testing-updates\n")
163 out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
165 out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
168 validtime=float(suite.validtime)
169 out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
171 for key, dbfield in boolattrs:
172 if getattr(suite, dbfield, False):
173 out.write("%s: yes\n" % (key))
175 out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
177 components = [ c.component_name for c in session.query(Component) ]
179 out.write("Components: %s\n" % ( " ".join(map(lambda x: "%s%s" % (suite_suffix, x), components ))))
181 # For exact compatibility with old g-r, write out Description here instead
182 # of with the rest of the DB fields above
183 if getattr(suite, 'description') is not None:
184 out.write("Description: %s\n" % suite.description)
186 for comp in components:
187 for dirpath, dirnames, filenames in os.walk(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix, comp), topdown=True):
188 if not re_gensubrelease.match(dirpath):
191 subfile = os.path.join(dirpath, "Release")
192 subrel = open(subfile + '.new', "w")
194 for key, dbfield in subattribs:
195 if getattr(suite, dbfield) is not None:
196 subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
198 for key, dbfield in boolattrs:
199 if getattr(suite, dbfield, False):
200 subrel.write("%s: yes\n" % (key))
202 subrel.write("Component: %s%s\n" % (suite_suffix, comp))
204 # Urgh, but until we have all the suite/component/arch stuff in the DB,
206 arch = os.path.split(dirpath)[-1]
207 if arch.startswith('binary-'):
210 subrel.write("Architecture: %s\n" % (arch))
213 os.rename(subfile + '.new', subfile)
215 # Now that we have done the groundwork, we want to get off and add the files with
216 # their checksums to the main Release file
219 os.chdir(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix))
221 hashfuncs = { 'MD5Sum' : apt_pkg.md5sum,
222 'SHA1' : apt_pkg.sha1sum,
223 'SHA256' : apt_pkg.sha256sum }
229 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
230 for entry in filenames:
231 # Skip things we don't want to include
232 if not re_includeinrelease.match(entry):
235 if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
238 filename = os.path.join(dirpath.lstrip('./'), entry)
239 fileinfo[filename] = {}
240 contents = open(filename, 'r').read()
242 # If we find a file for which we have a compressed version and
243 # haven't yet seen the uncompressed one, store the possibility
245 if entry.endswith(".gz") and entry[:-3] not in uncompnotseen.keys():
246 uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
247 elif entry.endswith(".bz2") and entry[:-4] not in uncompnotseen.keys():
248 uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
250 fileinfo[filename]['len'] = len(contents)
252 for hf, func in hashfuncs.items():
253 fileinfo[filename][hf] = func(contents)
255 for filename, comp in uncompnotseen.items():
256 # If we've already seen the uncompressed file, we don't
257 # need to do anything again
258 if filename in fileinfo.keys():
261 # Skip uncompressed Contents files as they're huge, take ages to
262 # checksum and we checksum the compressed ones anyways
263 if os.path.basename(filename).startswith("Contents"):
266 fileinfo[filename] = {}
268 # File handler is comp[0], filename of compressed file is comp[1]
269 contents = comp[0](comp[1], 'r').read()
271 fileinfo[filename]['len'] = len(contents)
273 for hf, func in hashfuncs.items():
274 fileinfo[filename][hf] = func(contents)
277 for h in sorted(hashfuncs.keys()):
278 out.write('%s:\n' % h)
279 for filename in sorted(fileinfo.keys()):
280 out.write(" %s %8d %s\n" % (fileinfo[filename][h], fileinfo[filename]['len'], filename))
283 os.rename(outfile + '.new', outfile)
285 sign_release_dir(suite, os.path.dirname(outfile))
297 for i in ["Help", "Suite", "Force", "Quiet"]:
298 if not cnf.has_key("Generate-Releases::Options::%s" % (i)):
299 cnf["Generate-Releases::Options::%s" % (i)] = ""
301 Arguments = [('h',"help","Generate-Releases::Options::Help"),
302 ('a','archive','Generate-Releases::Options::Archive','HasArg'),
303 ('s',"suite","Generate-Releases::Options::Suite"),
304 ('f',"force","Generate-Releases::Options::Force"),
305 ('q',"quiet","Generate-Releases::Options::Quiet"),
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 if not Options["Quiet"]:
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, ))
347 # No more work will be added to our pool, close it and then wait for all to finish
351 retcode = pool.overall_status()
354 # TODO: CENTRAL FUNCTION FOR THIS / IMPROVE LOGGING
355 Logger.log(['Release file generation broken: %s' % (','.join([str(x[1]) for x in pool.results]))])
361 def generate_helper(suite_id):
363 This function is called in a new subprocess.
365 session = DBConn().session()
366 suite = Suite.get(suite_id, session)
368 # We allow the process handler to catch and deal with any exceptions
369 rw = ReleaseWriter(suite)
370 rw.generate_release_files()
372 return (PROC_STATUS_SUCCESS, 'Release file written for %s' % suite.suite_name)
374 #######################################################################################
376 if __name__ == '__main__':