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britney2-ubuntu
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Move RC bug handing into a policy

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Signed-off-by: Niels Thykier <niels@thykier.net>
debian
Niels Thykier 9 years ago
parent 5ec3aea43a
commit 6d6a7ac529
2 changed files with 126 additions and 116 deletions
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142
britney.py
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@ -51,7 +51,7 @@ and Britney.read_binaries).
Other than source and binary packages, Britney loads the following data:
* BugsV, which contains the list of release-critical bugs for a given
version of a source or binary package (see Britney.read_bugs).
version of a source or binary package (see RCBugPolicy.read_bugs).
* Dates, which contains the date of the upload of a given version
of a source package (see Britney.read_dates).
@ -206,7 +206,7 @@ from britney_util import (old_libraries_format, undo_changes,
write_excuses, write_heidi_delta, write_controlfiles,
old_libraries, is_nuninst_asgood_generous,
clone_nuninst, check_installability)
from policies.policy import AgePolicy, PolicyVerdict
from policies.policy import AgePolicy, RCBugPolicy, PolicyVerdict
from consts import (VERSION, SECTION, BINARIES, MAINTAINER, FAKESRC,
SOURCE, SOURCEVER, ARCHITECTURE, DEPENDS, CONFLICTS,
PROVIDES, MULTIARCH, ESSENTIAL)
@ -332,10 +332,6 @@ class Britney(object):
for stat in arch_stat.stat_summary():
self.log("> - %s" % stat, type="I")
# read the release-critical bug summaries for testing and unstable
self.bugs = {'unstable': self.read_bugs(self.options.unstable),
'testing': self.read_bugs(self.options.testing),}
self.normalize_bugs()
for policy in self.policies:
policy.hints = self.hints
policy.initialise(self)
@ -452,6 +448,7 @@ class Britney(object):
self.options.ignore_cruft = False
self.policies.append(AgePolicy(self.options, MINDAYS))
self.policies.append(RCBugPolicy(self.options))
def log(self, msg, type="I"):
"""Print info messages according to verbosity level
@ -792,78 +789,9 @@ class Britney(object):
for provided_pkg, provided_version, _ in dpkg[PROVIDES]:
provides[provided_pkg].add((pkg, provided_version))
# return a tuple with the list of real and virtual packages
return (packages, provides)
def read_bugs(self, basedir):
"""Read the release critical bug summary from the specified directory
The RC bug summaries are read from the `BugsV' file within the
directory specified in the `basedir' parameter. The file contains
rows with the format:
<package-name> <bug number>[,<bug number>...]
The method returns a dictionary where the key is the binary package
name and the value is the list of open RC bugs for it.
"""
bugs = defaultdict(list)
filename = os.path.join(basedir, "BugsV")
self.log("Loading RC bugs data from %s" % filename)
for line in open(filename, encoding='ascii'):
l = line.split()
if len(l) != 2:
self.log("Malformed line found in line %s" % (line), type='W')
continue
pkg = l[0]
bugs[pkg] += l[1].split(",")
return bugs
def __maxver(self, pkg, dist):
"""Return the maximum version for a given package name
This method returns None if the specified source package
is not available in the `dist' distribution. If the package
exists, then it returns the maximum version between the
source package and its binary packages.
"""
maxver = None
if pkg in self.sources[dist]:
maxver = self.sources[dist][pkg][VERSION]
for arch in self.options.architectures:
if pkg not in self.binaries[dist][arch][0]: continue
pkgv = self.binaries[dist][arch][0][pkg][VERSION]
if maxver is None or apt_pkg.version_compare(pkgv, maxver) > 0:
maxver = pkgv
return maxver
def normalize_bugs(self):
"""Normalize the release critical bug summaries for testing and unstable
The method doesn't return any value: it directly modifies the
object attribute `bugs'.
"""
# loop on all the package names from testing and unstable bug summaries
for pkg in set(chain(self.bugs['testing'], self.bugs['unstable'])):
# make sure that the key is present in both dictionaries
if pkg not in self.bugs['testing']:
self.bugs['testing'][pkg] = []
elif pkg not in self.bugs['unstable']:
self.bugs['unstable'][pkg] = []
if pkg.startswith("src:"):
pkg = pkg[4:]
# retrieve the maximum version of the package in testing:
maxvert = self.__maxver(pkg, 'testing')
# if the package is not available in testing, then reset
# the list of RC bugs
if maxvert is None:
self.bugs['testing'][pkg] = []
def read_hints(self, basedir):
"""Read the hint commands from the specified directory
@ -1361,6 +1289,31 @@ class Britney(object):
excuse.addhtml("Too young, but urgency pushed by %s" % who)
excuse.setdaysold(age_info['current-age'], age_min_req)
# if the suite is unstable, then we have to check the release-critical bug lists before
# updating testing; if the unstable package has RC bugs that do not apply to the testing
# one, the check fails and we set update_candidate to False to block the update
if 'rc-bugs' in policy_info:
rcbugs_info = policy_info['rc-bugs']
new_bugs = rcbugs_info['unique-source-bugs']
old_bugs = rcbugs_info['unique-target-bugs']
excuse.setbugs(old_bugs, new_bugs)
if new_bugs:
excuse.addhtml("%s <a href=\"http://bugs.debian.org/cgi-bin/pkgreport.cgi?" \
"pkg=src:%s&sev-inc=critical&sev-inc=grave&sev-inc=serious\" " \
"target=\"_blank\">has new bugs</a>!" % (src, quote(src)))
excuse.addhtml("Updating %s introduces new bugs: %s" % (src, ", ".join(
["<a href=\"http://bugs.debian.org/%s\">#%s</a>" % (quote(a), a) for a in new_bugs])))
update_candidate = False
if old_bugs:
excuse.addhtml("Updating %s fixes old bugs: %s" % (src, ", ".join(
["<a href=\"http://bugs.debian.org/%s\">#%s</a>" % (quote(a), a) for a in old_bugs])))
if new_bugs and len(old_bugs) > len(new_bugs):
excuse.addhtml("%s introduces new bugs, so still ignored (even "
"though it fixes more than it introduces, whine at debian-release)" % src)
all_binaries = self.all_binaries
if suite in ('pu', 'tpu') and source_t:
@ -1481,45 +1434,6 @@ class Britney(object):
excuse.addreason("no-binaries")
update_candidate = False
# if the suite is unstable, then we have to check the release-critical bug lists before
# updating testing; if the unstable package has RC bugs that do not apply to the testing
# one, the check fails and we set update_candidate to False to block the update
if suite == 'unstable':
for pkg in pkgs:
bugs_t = []
bugs_u = []
if pkg in self.bugs['testing']:
bugs_t.extend(self.bugs['testing'][pkg])
if pkg in self.bugs['unstable']:
bugs_u.extend(self.bugs['unstable'][pkg])
if 'source' in pkgs[pkg]:
spkg = "src:%s" % (pkg)
if spkg in self.bugs['testing']:
bugs_t.extend(self.bugs['testing'][spkg])
if spkg in self.bugs['unstable']:
bugs_u.extend(self.bugs['unstable'][spkg])
new_bugs = sorted(set(bugs_u).difference(bugs_t))
old_bugs = sorted(set(bugs_t).difference(bugs_u))
excuse.setbugs(old_bugs,new_bugs)
if len(new_bugs) > 0:
excuse.addhtml("%s (%s) <a href=\"http://bugs.debian.org/cgi-bin/pkgreport.cgi?" \
"which=pkg&data=%s&sev-inc=critical&sev-inc=grave&sev-inc=serious\" " \
"target=\"_blank\">has new bugs</a>!" % (pkg, ", ".join(pkgs[pkg]), quote(pkg)))
excuse.addhtml("Updating %s introduces new bugs: %s" % (pkg, ", ".join(
["<a href=\"http://bugs.debian.org/%s\">#%s</a>" % (quote(a), a) for a in new_bugs])))
update_candidate = False
excuse.addreason("buggy")
if len(old_bugs) > 0:
excuse.addhtml("Updating %s fixes old bugs: %s" % (pkg, ", ".join(
["<a href=\"http://bugs.debian.org/%s\">#%s</a>" % (quote(a), a) for a in old_bugs])))
if len(old_bugs) > len(new_bugs) and len(new_bugs) > 0:
excuse.addhtml("%s introduces new bugs, so still ignored (even "
"though it fixes more than it introduces, whine at debian-release)" % pkg)
# check if there is a `force' hint for this package, which allows it to go in even if it is not updateable
forces = [x for x in self.hints.search('force', package=src) if source_u[VERSION] == x.version]
if forces:

98
policies/policy.py
Unescape View File

@ -4,7 +4,7 @@ import apt_pkg
import os
import time
from consts import VERSION
from consts import VERSION, BINARIES
@unique
@ -240,3 +240,99 @@ class AgePolicy(BasePolicy):
version, date = dates[pkg]
fd.write("%s %s %d\n" % (pkg, version, date))
os.rename(filename_tmp, filename)
class RCBugPolicy(BasePolicy):
"""RC bug regression policy for source migrations
The RCBugPolicy will read provided list of RC bugs and block any
source upload that would introduce a *new* RC bug in the target
suite.
The RCBugPolicy's decision is influenced by the following:
State files:
* ${UNSTABLE}/BugsV: File containing RC bugs for packages in the
source suite.
- This file needs to be updated externally.
* ${TESTING}/BugsV: File containing RC bugs for packages in the
target suite.
- This file needs to be updated externally.
"""
def __init__(self, options):
super().__init__(options, {'unstable'})
self._bugs = {}
def initialise(self, britney):
super().initialise(britney)
self._bugs['unstable'] = self._read_bugs(self.options.unstable)
self._bugs['testing'] = self._read_bugs(self.options.testing)
def apply_policy(self, policy_info, suite, source_name, source_data_tdist, source_data_srcdist):
# retrieve the urgency for the upload, ignoring it if this is a NEW package (not present in testing)
if 'rc-bugs' not in policy_info:
policy_info['rc-bugs'] = rcbugs_info = {}
else:
rcbugs_info = policy_info['rc-bugs']
bugs_t = set()
bugs_u = set()
for src_key in (source_name, 'src:%s' % source_name):
if source_data_tdist and src_key in self._bugs['testing']:
bugs_t.update(self._bugs['testing'][src_key])
if src_key in self._bugs['unstable']:
bugs_u.update(self._bugs['unstable'][src_key])
for pkg, _, _ in source_data_srcdist[BINARIES]:
if pkg in self._bugs['unstable']:
bugs_u |= self._bugs['unstable'][pkg]
if source_data_tdist:
for pkg, _, _ in source_data_tdist[BINARIES]:
if pkg in self._bugs['testing']:
bugs_t |= self._bugs['testing'][pkg]
# If a package is not in testing, it has no RC bugs per
# definition. Unfortunately, it seems that the live-data is
# not always accurate (e.g. live-2011-12-13 suggests that
# obdgpslogger had the same bug in testing and unstable,
# but obdgpslogger was not in testing at that time).
# - For the curious, obdgpslogger was removed on that day
# and the BTS probably had not caught up with that fact.
# (https://tracker.debian.org/news/415935)
assert not bugs_t or source_data_tdist, "%s had bugs in testing but is not in testing" % source_name
rcbugs_info['shared-bugs'] = sorted(bugs_u & bugs_t)
rcbugs_info['unique-source-bugs'] = sorted(bugs_u - bugs_t)
rcbugs_info['unique-target-bugs'] = sorted(bugs_t - bugs_u)
if not bugs_u or bugs_u <= bugs_t:
return PolicyVerdict.PASS
return PolicyVerdict.REJECTED_PERMANENTLY
def _read_bugs(self, basedir):
"""Read the release critical bug summary from the specified directory
The RC bug summaries are read from the `BugsV' file within the
directory specified in the `basedir' parameter. The file contains
rows with the format:
<package-name> <bug number>[,<bug number>...]
The method returns a dictionary where the key is the binary package
name and the value is the list of open RC bugs for it.
"""
bugs = {}
filename = os.path.join(basedir, "BugsV")
self.log("Loading RC bugs data from %s" % filename)
for line in open(filename, encoding='ascii'):
l = line.split()
if len(l) != 2:
self.log("Malformed line found in line %s" % (line), type='W')
continue
pkg = l[0]
if pkg not in bugs:
bugs[pkg] = set()
bugs[pkg].update(l[1].split(","))
return bugs

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