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 generate_release_files(self):
126 Generate Release files for the given suite
129 @param suite: Suite name
133 session = object_session(suite)
135 architectures = get_suite_architectures(suite.suite_name, skipall=True, skipsrc=True, session=session)
137 # Attribs contains a tuple of field names and the database names to use to
139 attribs = ( ('Origin', 'origin'),
141 ('Suite', 'release_suite_output'),
142 ('Version', 'version'),
143 ('Codename', 'codename'),
144 ('Changelogs', 'changelog_url'),
147 # A "Sub" Release file has slightly different fields
148 subattribs = ( ('Archive', 'suite_name'),
149 ('Origin', 'origin'),
151 ('Version', 'version') )
153 # Boolean stuff. If we find it true in database, write out "yes" into the release file
154 boolattrs = ( ('NotAutomatic', 'notautomatic'),
155 ('ButAutomaticUpgrades', 'butautomaticupgrades'),
156 ('Acquire-By-Hash', 'byhash'),
161 suite_suffix = cnf.find("Dinstall::SuiteSuffix", "")
163 outfile = os.path.join(suite.archive.path, 'dists', suite.suite_name, suite_suffix, "Release")
164 out = open(outfile + ".new", "w")
166 for key, dbfield in attribs:
167 # Hack to skip NULL Version fields as we used to do this
168 # We should probably just always ignore anything which is None
169 if key in ("Version", "Changelogs") and getattr(suite, dbfield) is None:
172 out.write("%s: %s\n" % (key, getattr(suite, dbfield)))
174 out.write("Date: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()))))
177 validtime=float(suite.validtime)
178 out.write("Valid-Until: %s\n" % (time.strftime("%a, %d %b %Y %H:%M:%S UTC", time.gmtime(time.time()+validtime))))
180 for key, dbfield in boolattrs:
181 if getattr(suite, dbfield, False):
182 out.write("%s: yes\n" % (key))
184 out.write("Architectures: %s\n" % (" ".join([a.arch_string for a in architectures])))
186 components = [ c.component_name for c in suite.components ]
188 out.write("Components: %s\n" % (" ".join(components)))
190 # For exact compatibility with old g-r, write out Description here instead
191 # of with the rest of the DB fields above
192 if getattr(suite, 'description') is not None:
193 out.write("Description: %s\n" % suite.description)
195 for comp in components:
196 for dirpath, dirnames, filenames in os.walk(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix, comp), topdown=True):
197 if not re_gensubrelease.match(dirpath):
200 subfile = os.path.join(dirpath, "Release")
201 subrel = open(subfile + '.new', "w")
203 for key, dbfield in subattribs:
204 if getattr(suite, dbfield) is not None:
205 subrel.write("%s: %s\n" % (key, getattr(suite, dbfield)))
207 for key, dbfield in boolattrs:
208 if getattr(suite, dbfield, False):
209 subrel.write("%s: yes\n" % (key))
211 subrel.write("Component: %s%s\n" % (suite_suffix, comp))
213 # Urgh, but until we have all the suite/component/arch stuff in the DB,
215 arch = os.path.split(dirpath)[-1]
216 if arch.startswith('binary-'):
219 subrel.write("Architecture: %s\n" % (arch))
222 os.rename(subfile + '.new', subfile)
224 # Now that we have done the groundwork, we want to get off and add the files with
225 # their checksums to the main Release file
228 os.chdir(os.path.join(suite.archive.path, "dists", suite.suite_name, suite_suffix))
230 hashfuncs = dict(zip([x.upper().replace('UM', 'um') for x in suite.checksums],
231 [getattr(apt_pkg, "%s" % (x)) for x in [x.replace("sum", "") + "sum" for x in suite.checksums]]))
237 for dirpath, dirnames, filenames in os.walk(".", followlinks=True, topdown=True):
238 for entry in filenames:
239 # Skip things we don't want to include
240 if not re_includeinrelease.match(entry):
243 if dirpath == '.' and entry in ["Release", "Release.gpg", "InRelease"]:
246 filename = os.path.join(dirpath.lstrip('./'), entry)
247 fileinfo[filename] = {}
248 contents = open(filename, 'r').read()
250 # If we find a file for which we have a compressed version and
251 # haven't yet seen the uncompressed one, store the possibility
253 if entry.endswith(".gz") and filename[:-3] not in uncompnotseen:
254 uncompnotseen[filename[:-3]] = (gzip.GzipFile, filename)
255 elif entry.endswith(".bz2") and filename[:-4] not in uncompnotseen:
256 uncompnotseen[filename[:-4]] = (bz2.BZ2File, filename)
257 elif entry.endswith(".xz") and filename[:-3] not in uncompnotseen:
258 uncompnotseen[filename[:-3]] = (XzFile, filename)
260 fileinfo[filename]['len'] = len(contents)
262 for hf, func in hashfuncs.items():
263 fileinfo[filename][hf] = func(contents)
265 for filename, comp in uncompnotseen.items():
266 # If we've already seen the uncompressed file, we don't
267 # need to do anything again
268 if filename in fileinfo:
271 fileinfo[filename] = {}
273 # File handler is comp[0], filename of compressed file is comp[1]
274 contents = comp[0](comp[1], 'r').read()
276 fileinfo[filename]['len'] = len(contents)
278 for hf, func in hashfuncs.items():
279 fileinfo[filename][hf] = func(contents)
282 for h in sorted(hashfuncs.keys()):
283 out.write('%s:\n' % h)
284 for filename in sorted(fileinfo.keys()):
285 out.write(" %s %8d %s\n" % (fileinfo[filename][h], fileinfo[filename]['len'], filename))
288 os.rename(outfile + '.new', outfile)
292 UPDATE hashfile SET unreferenced = CURRENT_TIMESTAMP
293 WHERE suite_id = :id AND unreferenced IS NULL"""
294 session.execute(query, {'id': suite.suite_id})
296 for filename in fileinfo:
297 if not os.path.exists(filename):
298 # probably an uncompressed index we didn't generate
302 hashfile = os.path.join(os.path.dirname(filename), 'by-hash', h, fileinfo[filename][h])
303 query = "SELECT 1 FROM hashfile WHERE path = :p AND suite_id = :id"
306 {'p': hashfile, 'id': suite.suite_id})
309 UPDATE hashfile SET unreferenced = NULL
310 WHERE path = :p and suite_id = :id''',
311 {'p': hashfile, 'id': suite.suite_id})
314 INSERT INTO hashfile (path, suite_id)
316 {'p': hashfile, 'id': suite.suite_id})
319 os.makedirs(os.path.dirname(hashfile))
320 except OSError as exc:
321 if exc.errno != errno.EEXIST:
324 os.link(filename, hashfile)
325 except OSError as exc:
326 if exc.errno != errno.EEXIST:
331 sign_release_dir(suite, os.path.dirname(outfile))
343 for i in ["Help", "Suite", "Force", "Quiet"]:
344 if not cnf.has_key("Generate-Releases::Options::%s" % (i)):
345 cnf["Generate-Releases::Options::%s" % (i)] = ""
347 Arguments = [('h',"help","Generate-Releases::Options::Help"),
348 ('a','archive','Generate-Releases::Options::Archive','HasArg'),
349 ('s',"suite","Generate-Releases::Options::Suite"),
350 ('f',"force","Generate-Releases::Options::Force"),
351 ('q',"quiet","Generate-Releases::Options::Quiet"),
352 ('o','option','','ArbItem')]
354 suite_names = apt_pkg.parse_commandline(cnf.Cnf, Arguments, sys.argv)
355 Options = cnf.subtree("Generate-Releases::Options")
360 Logger = daklog.Logger('generate-releases')
361 pool = DakProcessPool()
363 session = DBConn().session()
367 for s in suite_names:
368 suite = get_suite(s.lower(), session)
372 print "cannot find suite %s" % s
373 Logger.log(['cannot find suite %s' % s])
375 query = session.query(Suite).filter(Suite.untouchable == False)
376 if 'Archive' in Options:
377 query = query.join(Suite.archive).filter(Archive.archive_name==Options['Archive'])
383 # Setup a multiprocessing Pool. As many workers as we have CPU cores.
384 if s.untouchable and not Options["Force"]:
385 print "Skipping %s (untouchable)" % s.suite_name
388 if not Options["Quiet"]:
389 print "Processing %s" % s.suite_name
390 Logger.log(['Processing release file for Suite: %s' % (s.suite_name)])
391 pool.apply_async(generate_helper, (s.suite_id, ))
393 # No more work will be added to our pool, close it and then wait for all to finish
397 retcode = pool.overall_status()
400 # TODO: CENTRAL FUNCTION FOR THIS / IMPROVE LOGGING
401 Logger.log(['Release file generation broken: %s' % (','.join([str(x[1]) for x in pool.results]))])
407 def generate_helper(suite_id):
409 This function is called in a new subprocess.
411 session = DBConn().session()
412 suite = Suite.get(suite_id, session)
414 # We allow the process handler to catch and deal with any exceptions
415 rw = ReleaseWriter(suite)
416 rw.generate_release_files()
418 return (PROC_STATUS_SUCCESS, 'Release file written for %s' % suite.suite_name)
420 #######################################################################################
422 if __name__ == '__main__':