4 Display, edit and check the release manager's transition file.
6 @contact: Debian FTP Master <ftpmaster@debian.org>
7 @copyright: 2008 Joerg Jaspert <joerg@debian.org>
8 @license: GNU General Public License version 2 or later
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2 of the License, or
14 # (at your option) any later version.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program; if not, write to the Free Software
23 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 ################################################################################
27 # <elmo> if klecker.d.o died, I swear to god, I'm going to migrate to gentoo.
29 ################################################################################
39 from daklib.dbconn import *
40 from daklib import utils
41 from daklib.dak_exceptions import TransitionsError
42 from daklib.regexes import re_broken_package
46 Cnf = None #: Configuration, apt_pkg.Configuration
47 Options = None #: Parsed CommandLine arguments
49 ################################################################################
51 #####################################
52 #### This may run within sudo !! ####
53 #####################################
56 Initialize. Sets up database connection, parses commandline arguments.
58 @attention: This function may run B{within sudo}
65 Cnf = utils.get_conf()
67 Arguments = [('a',"automatic","Edit-Transitions::Options::Automatic"),
68 ('h',"help","Edit-Transitions::Options::Help"),
69 ('e',"edit","Edit-Transitions::Options::Edit"),
70 ('i',"import","Edit-Transitions::Options::Import", "HasArg"),
71 ('c',"check","Edit-Transitions::Options::Check"),
72 ('s',"sudo","Edit-Transitions::Options::Sudo"),
73 ('n',"no-action","Edit-Transitions::Options::No-Action")]
75 for i in ["automatic", "help", "no-action", "edit", "import", "check", "sudo"]:
76 if not Cnf.has_key("Edit-Transitions::Options::%s" % (i)):
77 Cnf["Edit-Transitions::Options::%s" % (i)] = ""
79 apt_pkg.parse_commandline(Cnf, Arguments, sys.argv)
81 Options = Cnf.subtree("Edit-Transitions::Options")
86 username = utils.getusername()
88 print "Non-dak user: %s" % username
91 # Initialise DB connection
94 ################################################################################
96 def usage (exit_code=0):
97 print """Usage: transitions [OPTION]...
98 Update and check the release managers transition file.
102 -h, --help show this help and exit.
103 -e, --edit edit the transitions file
104 -i, --import <file> check and import transitions from file
105 -c, --check check the transitions file, remove outdated entries
106 -S, --sudo use sudo to update transitions file
107 -a, --automatic don't prompt (only affects check).
108 -n, --no-action don't do anything (only affects check)"""
112 ################################################################################
114 #####################################
115 #### This may run within sudo !! ####
116 #####################################
117 def load_transitions(trans_file):
119 Parse a transition yaml file and check it for validity.
121 @attention: This function may run B{within sudo}
123 @type trans_file: string
124 @param trans_file: filename to parse
127 @return: validated dictionary of transition entries or None
128 if validation fails, empty string if reading C{trans_file}
129 returned something else than a dict
132 # Parse the yaml file
133 sourcefile = file(trans_file, 'r')
134 sourcecontent = sourcefile.read()
137 trans = yaml.safe_load(sourcecontent)
138 except yaml.YAMLError as exc:
139 # Someone fucked it up
140 print "ERROR: %s" % (exc)
143 # lets do further validation here
144 checkkeys = ["source", "reason", "packages", "new", "rm"]
146 # If we get an empty definition - we just have nothing to check, no transitions defined
147 if type(trans) != dict:
148 # This can be anything. We could have no transitions defined. Or someone totally fucked up the
149 # file, adding stuff in a way we dont know or want. Then we set it empty - and simply have no
150 # transitions anymore. User will see it in the information display after he quit the editor and
159 # First check if we know all the keys for the transition and if they have
160 # the right type (and for the packages also if the list has the right types
161 # included, ie. not a list in list, but only str in the list)
163 if key not in checkkeys:
164 print "ERROR: Unknown key %s in transition %s" % (key, test)
167 if key == "packages":
168 if type(t[key]) != list:
169 print "ERROR: Unknown type %s for packages in transition %s." % (type(t[key]), test)
172 for package in t["packages"]:
173 if type(package) != str:
174 print "ERROR: Packages list contains invalid type %s (as %s) in transition %s" % (type(package), package, test)
176 if re_broken_package.match(package):
177 # Someone had a space too much (or not enough), we have something looking like
178 # "package1 - package2" now.
179 print "ERROR: Invalid indentation of package list in transition %s, around package(s): %s" % (test, package)
182 # In case someone has an empty packages list
183 print "ERROR: No packages defined in transition %s" % (test)
187 elif type(t[key]) != str:
188 if key == "new" and type(t[key]) == int:
189 # Ok, debian native version
192 print "ERROR: Unknown type %s for key %s in transition %s" % (type(t[key]), key, test)
195 # And now the other way round - are all our keys defined?
196 for key in checkkeys:
198 print "ERROR: Missing key %s in transition %s" % (key, test)
201 # In case someone defined very broken things
202 print "ERROR: Unable to parse the file"
211 ################################################################################
213 #####################################
214 #### This may run within sudo !! ####
215 #####################################
220 @attention: This function may run B{within sudo}
223 for retry in range(10):
224 lock_fd = os.open(f, os.O_RDWR | os.O_CREAT)
226 fcntl.lockf(lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
229 if errno.errorcode[e.errno] == 'EACCES' or errno.errorcode[e.errno] == 'EEXIST':
230 print "Unable to get lock for %s (try %d of 10)" % \
236 utils.fubar("Couldn't obtain lock for %s." % (f))
238 ################################################################################
240 #####################################
241 #### This may run within sudo !! ####
242 #####################################
243 def write_transitions(from_trans):
245 Update the active transitions file safely.
246 This function takes a parsed input file (which avoids invalid
247 files or files that may be be modified while the function is
248 active) and ensure the transitions file is updated atomically
251 @attention: This function may run B{within sudo}
253 @type from_trans: dict
254 @param from_trans: transitions dictionary, as returned by L{load_transitions}
258 trans_file = Cnf["Dinstall::ReleaseTransitions"]
259 trans_temp = trans_file + ".tmp"
261 trans_lock = lock_file(trans_file)
262 temp_lock = lock_file(trans_temp)
264 destfile = file(trans_temp, 'w')
265 yaml.safe_dump(from_trans, destfile, default_flow_style=False)
268 os.rename(trans_temp, trans_file)
272 ################################################################################
274 ##########################################
275 #### This usually runs within sudo !! ####
276 ##########################################
277 def write_transitions_from_file(from_file):
279 We have a file we think is valid; if we're using sudo, we invoke it
280 here, otherwise we just parse the file and call write_transitions
282 @attention: This function usually runs B{within sudo}
284 @type from_file: filename
285 @param from_file: filename of a transitions file
289 # Lets check if from_file is in the directory we expect it to be in
290 if not os.path.abspath(from_file).startswith(Cnf["Dir::TempPath"]):
291 print "Will not accept transitions file outside of %s" % (Cnf["Dir::TempPath"])
295 os.spawnl(os.P_WAIT, "/usr/bin/sudo", "/usr/bin/sudo", "-u", "dak", "-H",
296 "/usr/local/bin/dak", "transitions", "--import", from_file)
298 trans = load_transitions(from_file)
300 raise TransitionsError("Unparsable transitions file %s" % (file))
301 write_transitions(trans)
303 ################################################################################
305 def temp_transitions_file(transitions):
307 Open a temporary file and dump the current transitions into it, so users
310 @type transitions: dict
311 @param transitions: current defined transitions
314 @return: path of newly created tempfile
316 @note: NB: file is unlinked by caller, but fd is never actually closed.
317 We need the chmod, as the file is (most possibly) copied from a
318 sudo-ed script and would be unreadable if it has default mkstemp mode
321 (fd, path) = tempfile.mkstemp("", "transitions", Cnf["Dir::TempPath"])
322 os.chmod(path, 0o644)
324 yaml.safe_dump(transitions, f, default_flow_style=False)
327 ################################################################################
329 def edit_transitions():
330 """ Edit the defined transitions. """
331 trans_file = Cnf["Dinstall::ReleaseTransitions"]
332 edit_file = temp_transitions_file(load_transitions(trans_file))
334 editor = os.environ.get("EDITOR", "vi")
337 result = os.system("%s %s" % (editor, edit_file))
340 utils.fubar("%s invocation failed for %s, not removing tempfile." % (editor, edit_file))
342 # Now try to load the new file
343 test = load_transitions(edit_file)
347 print "Edit was unparsable."
348 prompt = "[E]dit again, Drop changes?"
351 print "Edit looks okay.\n"
352 print "The following transitions are defined:"
353 print "------------------------------------------------------------------------"
354 transition_info(test)
356 prompt = "[S]ave, Edit again, Drop changes?"
360 while prompt.find(answer) == -1:
361 answer = utils.our_raw_input(prompt)
364 answer = answer[:1].upper()
370 print "OK, discarding changes"
376 print "You pressed something you shouldn't have :("
379 # We seem to be done and also have a working file. Copy over.
380 write_transitions_from_file(edit_file)
383 print "Transitions file updated."
385 ################################################################################
387 def check_transitions(transitions):
389 Check if the defined transitions still apply and remove those that no longer do.
390 @note: Asks the user for confirmation first unless -a has been set.
399 session = DBConn().session()
401 # Now look through all defined transitions
402 for trans in transitions:
403 t = transitions[trans]
407 # Will be an empty list if nothing is in testing.
408 sourceobj = get_source_in_suite(source, "testing", session)
410 info[trans] = get_info(trans, source, expected, t["rm"], t["reason"], t["packages"])
413 if sourceobj is None:
414 # No package in testing
415 print "Transition source %s not in testing, transition still ongoing." % (source)
417 current = sourceobj.version
418 compare = apt_pkg.version_compare(current, expected)
420 # This is still valid, the current version in database is older than
421 # the new version we wait for
422 print "This transition is still ongoing, we currently have version %s" % (current)
424 print "REMOVE: This transition is over, the target package reached testing. REMOVE"
425 print "%s wanted version: %s, has %s" % (source, expected, current)
426 to_remove.append(trans)
428 print "-------------------------------------------------------------------------"
431 prompt = "Removing: "
432 for remove in to_remove:
436 prompt += " Commit Changes? (y/N)"
439 if Options["no-action"]:
441 elif Options["automatic"]:
444 answer = utils.our_raw_input(prompt).lower()
450 print "Not committing changes"
455 subst['__SUBJECT__'] = "Transitions completed: " + ", ".join(sorted(to_remove))
456 subst['__TRANSITION_MESSAGE__'] = "The following transitions were removed:\n"
457 for remove in sorted(to_remove):
458 subst['__TRANSITION_MESSAGE__'] += info[remove] + '\n'
459 del transitions[remove]
461 # If we have a mail address configured for transitions,
462 # send a notification
463 subst['__TRANSITION_EMAIL__'] = Cnf.get("Transitions::Notifications", "")
464 if subst['__TRANSITION_EMAIL__'] != "":
465 print "Sending notification to %s" % subst['__TRANSITION_EMAIL__']
466 subst['__DAK_ADDRESS__'] = Cnf["Dinstall::MyEmailAddress"]
467 subst['__BCC__'] = 'X-DAK: dak transitions'
468 if Cnf.has_key("Dinstall::Bcc"):
469 subst["__BCC__"] += '\nBcc: %s' % Cnf["Dinstall::Bcc"]
470 message = utils.TemplateSubst(subst,
471 os.path.join(Cnf["Dir::Templates"], 'transition.removed'))
472 utils.send_mail(message)
474 edit_file = temp_transitions_file(transitions)
475 write_transitions_from_file(edit_file)
479 print "WTF are you typing?"
482 ################################################################################
484 def get_info(trans, source, expected, rm, reason, packages):
486 Print information about a single transition.
489 @param trans: Transition name
492 @param source: Source package
494 @type expected: string
495 @param expected: Expected version in testing
498 @param rm: Responsible RM
501 @param reason: Reason
504 @param packages: list of blocked packages
507 return """Looking at transition: %s
512 Blocked Packages (total: %d): %s
513 """ % (trans, source, expected, rm, reason, len(packages), ", ".join(packages))
515 ################################################################################
517 def transition_info(transitions):
519 Print information about all defined transitions.
520 Calls L{get_info} for every transition and then tells user if the transition is
521 still ongoing or if the expected version already hit testing.
523 @type transitions: dict
524 @param transitions: defined transitions
527 session = DBConn().session()
529 for trans in transitions:
530 t = transitions[trans]
534 # Will be None if nothing is in testing.
535 sourceobj = get_source_in_suite(source, "testing", session)
537 print get_info(trans, source, expected, t["rm"], t["reason"], t["packages"])
539 if sourceobj is None:
540 # No package in testing
541 print "Transition source %s not in testing, transition still ongoing." % (source)
543 compare = apt_pkg.version_compare(sourceobj.version, expected)
544 print "Apt compare says: %s" % (compare)
546 # This is still valid, the current version in database is older than
547 # the new version we wait for
548 print "This transition is still ongoing, we currently have version %s" % (sourceobj.version)
550 print "This transition is over, the target package reached testing, should be removed"
551 print "%s wanted version: %s, has %s" % (source, expected, sourceobj.version)
552 print "-------------------------------------------------------------------------"
554 ################################################################################
558 Prepare the work to be done, do basic checks.
560 @attention: This function may run B{within sudo}
565 #####################################
566 #### This can run within sudo !! ####
567 #####################################
570 # Check if there is a file defined (and existant)
571 transpath = Cnf.get("Dinstall::ReleaseTransitions", "")
573 utils.warn("Dinstall::ReleaseTransitions not defined")
575 if not os.path.exists(transpath):
576 utils.warn("ReleaseTransitions file, %s, not found." %
577 (Cnf["Dinstall::ReleaseTransitions"]))
579 # Also check if our temp directory is defined and existant
580 temppath = Cnf.get("Dir::TempPath", "")
582 utils.warn("Dir::TempPath not defined")
584 if not os.path.exists(temppath):
585 utils.warn("Temporary path %s not found." %
586 (Cnf["Dir::TempPath"]))
589 if Options["import"]:
591 write_transitions_from_file(Options["import"])
592 except TransitionsError as m:
596 ##############################################
597 #### Up to here it can run within sudo !! ####
598 ##############################################
600 # Parse the yaml file
601 transitions = load_transitions(transpath)
602 if transitions == None:
603 # Something very broken with the transitions, exit
604 utils.warn("Could not parse existing transitions file. Aborting.")
608 # Let's edit the transitions file
610 elif Options["check"]:
611 # Check and remove outdated transitions
612 check_transitions(transitions)
614 # Output information about the currently defined transitions.
615 print "Currently defined transitions:"
616 transition_info(transitions)
620 ################################################################################
622 if __name__ == '__main__':