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615 lines
26 KiB
615 lines
26 KiB
# -*- coding: utf-8 -*-
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# Copyright (C) 2013 Canonical Ltd.
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# Authors:
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# Colin Watson <cjwatson@ubuntu.com>
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# Jean-Baptiste Lallement <jean-baptiste.lallement@canonical.com>
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# Martin Pitt <martin.pitt@ubuntu.com>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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import os
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import time
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import json
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import tarfile
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import io
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import copy
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import itertools
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from urllib.parse import urlencode
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from urllib.request import urlopen
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import apt_pkg
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import kombu
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from consts import (AUTOPKGTEST, BINARIES, DEPENDS, RDEPENDS, SOURCE, VERSION)
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def srchash(src):
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'''archive hash prefix for source package'''
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if src.startswith('lib'):
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return src[:4]
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else:
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return src[0]
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def merge_triggers(trigs1, trigs2):
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'''Merge two (pkg, ver) trigger iterables
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Return [(pkg, ver), ...] list with only the highest version for each
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package.
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'''
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pkgvers = {}
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for pkg, ver in itertools.chain(trigs1, trigs2):
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if apt_pkg.version_compare(ver, pkgvers.setdefault(pkg, '0')) >= 0:
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pkgvers[pkg] = ver
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return list(pkgvers.items())
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def latest_item(ver_map, min_version=None):
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'''Return (ver, value) from version -> value map with latest version number
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If min_version is given, version has to be >= that, otherwise a KeyError is
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raised.
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'''
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latest = None
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for ver in ver_map:
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if latest is None or apt_pkg.version_compare(ver, latest) > 0:
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latest = ver
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if min_version is not None and latest is not None and \
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apt_pkg.version_compare(latest, min_version) < 0:
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latest = None
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if latest is not None:
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return (latest, ver_map[latest])
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else:
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raise KeyError('no version >= %s' % min_version)
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class AutoPackageTest(object):
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"""autopkgtest integration
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Look for autopkgtest jobs to run for each update that is otherwise a
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valid candidate, and collect the results. If an update causes any
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autopkgtest jobs to be run, then they must all pass before the update is
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accepted.
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"""
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def __init__(self, britney, distribution, series, debug=False):
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self.britney = britney
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self.distribution = distribution
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self.series = series
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self.debug = debug
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self.excludes = set()
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self.test_state_dir = os.path.join(britney.options.unstable,
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'autopkgtest')
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# map of requested tests from request()
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# src -> ver -> arch -> {(triggering-src1, ver1), ...}
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self.requested_tests = {}
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# same map for tests requested in previous runs
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self.pending_tests = None
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self.pending_tests_file = os.path.join(self.test_state_dir, 'pending.txt')
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if not os.path.isdir(self.test_state_dir):
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os.mkdir(self.test_state_dir)
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self.read_pending_tests()
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# results map: src -> arch -> [latest_stamp, ver -> (passed, triggers), ever_passed]
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# - "passed" is a bool
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# - It's tempting to just use a global "latest" time stamp, but due to
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# swift's "eventual consistency" we might miss results with older time
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# stamps from other packages that we don't see in the current run, but
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# will in the next one. This doesn't hurt for older results of the same
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# package.
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# - triggers is a list of (source, version) pairs which unstable
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# packages triggered this test run. We need to track this to avoid
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# unnecessarily re-running tests.
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# - ever_passed is a bool whether there is any successful test of
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# src/arch of any version. This is used for detecting "regression"
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# vs. "always failed"
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self.test_results = {}
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self.results_cache_file = os.path.join(self.test_state_dir, 'results.cache')
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# read the cached results that we collected so far
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if os.path.exists(self.results_cache_file):
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with open(self.results_cache_file) as f:
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self.test_results = json.load(f)
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self.log_verbose('Read previous results from %s' % self.results_cache_file)
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else:
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self.log_verbose('%s does not exist, re-downloading all results '
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'from swift' % self.results_cache_file)
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def log_verbose(self, msg):
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if self.britney.options.verbose:
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print('I: [%s] - %s' % (time.asctime(), msg))
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def log_error(self, msg):
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print('E: [%s] - %s' % (time.asctime(), msg))
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def has_autodep8(self, srcinfo):
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'''Check if package is covered by autodep8
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srcinfo is an item from self.britney.sources
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'''
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# DKMS: some binary depends on "dkms"
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for bin_arch in srcinfo[BINARIES]:
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binpkg = bin_arch.split('/')[0] # chop off arch
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try:
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bininfo = self.britney.binaries['unstable']['amd64'][0][binpkg]
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except KeyError:
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continue
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if 'dkms' in (bininfo[DEPENDS] or ''):
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return True
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return False
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def tests_for_source(self, src, ver):
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'''Iterate over all tests that should be run for given source'''
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sources_info = self.britney.sources['unstable']
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# FIXME: For now assume that amd64 has all binaries that we are
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# interested in for reverse dependency checking
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binaries_info = self.britney.binaries['unstable']['amd64'][0]
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reported_pkgs = set()
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tests = []
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srcinfo = sources_info[src]
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# we want to test the package itself, if it still has a test in
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# unstable
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if srcinfo[AUTOPKGTEST] or self.has_autodep8(srcinfo):
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reported_pkgs.add(src)
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tests.append((src, ver))
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extra_bins = []
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# Hack: For new kernels trigger all DKMS packages by pretending that
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# linux-meta* builds a "dkms" binary as well. With that we ensure that we
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# don't regress DKMS drivers with new kernel versions.
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if src.startswith('linux-meta'):
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extra_bins.append('dkms')
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# plus all direct reverse dependencies of its binaries which have
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# an autopkgtest
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for binary in srcinfo[BINARIES] + extra_bins:
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binary = binary.split('/')[0] # chop off arch
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try:
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rdeps = binaries_info[binary][RDEPENDS]
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except KeyError:
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self.log_verbose('Ignoring nonexistant binary %s (FTBFS/NBS)?' % binary)
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continue
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for rdep in rdeps:
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rdep_src = binaries_info[rdep][SOURCE]
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# if rdep_src/unstable is known to be not built yet or
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# uninstallable, try to run tests against testing; if that
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# works, then the unstable src does not break the testing
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# rdep_src and is fine
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if rdep_src in self.excludes:
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try:
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rdep_src_info = self.britney.sources['testing'][rdep_src]
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self.log_verbose('Reverse dependency %s of %s/%s is unbuilt or uninstallable, running test against testing version %s' %
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(rdep_src, src, ver, rdep_src_info[VERSION]))
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except KeyError:
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self.log_verbose('Reverse dependency %s of %s/%s is unbuilt or uninstallable and not present in testing, ignoring' %
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(rdep_src, src, ver))
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continue
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else:
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rdep_src_info = sources_info[rdep_src]
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if rdep_src_info[AUTOPKGTEST] or self.has_autodep8(rdep_src_info):
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if rdep_src not in reported_pkgs:
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tests.append((rdep_src, rdep_src_info[VERSION]))
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reported_pkgs.add(rdep_src)
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# Hardcode linux → lxc trigger until we get a more flexible
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# implementation: https://bugs.debian.org/779559
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if src.startswith('linux-meta') and 'lxc' not in reported_pkgs:
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try:
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tests.append(('lxc', self.britney.sources['testing']['lxc'][VERSION]))
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except KeyError:
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# no lxc package in that series? *shrug*, then not
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pass
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tests.sort(key=lambda s_v: s_v[0])
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return tests
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#
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# AMQP/cloud interface helpers
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#
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def read_pending_tests(self):
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'''Read pending test requests from previous britney runs
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Read UNSTABLE/autopkgtest/requested.txt with the format:
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srcpkg srcver triggering-srcpkg triggering-srcver
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Initialize self.pending_tests with that data.
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'''
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assert self.pending_tests is None, 'already initialized'
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self.pending_tests = {}
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if not os.path.exists(self.pending_tests_file):
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self.log_verbose('No %s, starting with no pending tests' %
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self.pending_tests_file)
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return
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with open(self.pending_tests_file) as f:
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for l in f:
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l = l.strip()
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if not l:
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continue
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try:
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(src, ver, arch, trigsrc, trigver) = l.split()
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except ValueError:
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self.log_error('ignoring malformed line in %s: %s' %
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(self.pending_tests_file, l))
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continue
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self.pending_tests.setdefault(src, {}).setdefault(
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ver, {}).setdefault(arch, set()).add((trigsrc, trigver))
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self.log_verbose('Read pending requested tests from %s: %s' %
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(self.pending_tests_file, self.pending_tests))
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def update_pending_tests(self):
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'''Update pending tests after submitting requested tests
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Update UNSTABLE/autopkgtest/requested.txt, see read_pending_tests() for
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the format.
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'''
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# merge requested_tests into pending_tests
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for src, verinfo in self.requested_tests.items():
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for ver, archinfo in verinfo.items():
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for arch, triggers in archinfo.items():
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self.pending_tests.setdefault(src, {}).setdefault(
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ver, {}).setdefault(arch, set()).update(triggers)
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self.requested_tests = {}
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# write it
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with open(self.pending_tests_file + '.new', 'w') as f:
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for src in sorted(self.pending_tests):
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for ver in sorted(self.pending_tests[src]):
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for arch in sorted(self.pending_tests[src][ver]):
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for (trigsrc, trigver) in sorted(self.pending_tests[src][ver][arch]):
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f.write('%s %s %s %s %s\n' % (src, ver, arch, trigsrc, trigver))
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os.rename(self.pending_tests_file + '.new', self.pending_tests_file)
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self.log_verbose('Updated pending requested tests in %s' %
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self.pending_tests_file)
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def add_test_request(self, src, ver, arch, trigsrc, trigver):
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'''Add one test request to the local self.requested_tests queue
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This will only be done if that test wasn't already requested in a
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previous run (i. e. not already in self.pending_tests) or there already
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is a result for it.
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'''
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# check for existing results for both the requested and the current
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# unstable version: test runs might see newly built versions which we
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# didn't see in britney yet
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pkg_arch_results = self.test_results.get(src, {}).get(arch, [None, {}, None])[1]
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unstable_ver = self.britney.sources['unstable'][src][VERSION]
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for result_ver in [ver, unstable_ver]:
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if result_ver not in pkg_arch_results or apt_pkg.version_compare(result_ver, ver) < 0:
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continue
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for (tsrc, tver) in pkg_arch_results[result_ver][1]:
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if tsrc == trigsrc and apt_pkg.version_compare(tver, trigver) >= 0:
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self.log_verbose('There already is a result for %s/%s/%s triggered by %s/%s' %
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(src, result_ver, arch, tsrc, tver))
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return
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if (trigsrc, trigver) in self.pending_tests.get(src, {}).get(
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ver, {}).get(arch, set()):
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self.log_verbose('test %s/%s/%s for %s/%s is already pending, not queueing' %
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(src, ver, arch, trigsrc, trigver))
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return
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self.requested_tests.setdefault(src, {}).setdefault(
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ver, {}).setdefault(arch, set()).add((trigsrc, trigver))
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def fetch_swift_results(self, swift_url, src, arch, trigger=None):
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'''Download new results for source package/arch from swift'''
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# prepare query: get all runs with a timestamp later than latest_stamp
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# for this package/arch; '@' is at the end of each run timestamp, to
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# mark the end of a test run directory path
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# example: <autopkgtest-wily>wily/amd64/libp/libpng/20150630_054517@/result.tar
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query = {'delimiter': '@',
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'prefix': '%s/%s/%s/%s/' % (self.series, arch, srchash(src), src)}
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try:
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query['marker'] = query['prefix'] + self.test_results[src][arch][0]
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except KeyError:
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# no stamp yet, download all results
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pass
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# request new results from swift
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url = os.path.join(swift_url, 'autopkgtest-' + self.series)
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url += '?' + urlencode(query)
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try:
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f = urlopen(url)
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if f.getcode() == 200:
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result_paths = f.read().decode().strip().splitlines()
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elif f.getcode() == 204: # No content
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result_paths = []
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else:
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self.log_error('Failure to fetch swift results from %s: %u' %
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(url, f.getcode()))
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f.close()
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return
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f.close()
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except IOError as e:
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self.log_error('Failure to fetch swift results from %s: %s' % (url, str(e)))
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return
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for p in result_paths:
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self.fetch_one_result(
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os.path.join(swift_url, 'autopkgtest-' + self.series, p, 'result.tar'),
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src, arch, trigger)
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def fetch_one_result(self, url, src, arch, trigger=None):
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'''Download one result URL for source/arch
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Remove matching pending_tests entries. If trigger is given (src, ver)
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it is added to the triggers of that result.
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'''
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try:
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f = urlopen(url)
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if f.getcode() == 200:
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tar_bytes = io.BytesIO(f.read())
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f.close()
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else:
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self.log_error('Failure to fetch %s: %u' % (url, f.getcode()))
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return
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except IOError as e:
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self.log_error('Failure to fetch %s: %s' % (url, str(e)))
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return
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try:
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with tarfile.open(None, 'r', tar_bytes) as tar:
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exitcode = int(tar.extractfile('exitcode').read().strip())
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srcver = tar.extractfile('testpkg-version').read().decode().strip()
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(ressrc, ver) = srcver.split()
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except (KeyError, ValueError, tarfile.TarError) as e:
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self.log_error('%s is damaged: %s' % (url, str(e)))
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# we can't just ignore this, as it would leave an orphaned request
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# in pending.txt; consider it tmpfail
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exitcode = 16
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ressrc = src
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ver = None
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if src != ressrc:
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self.log_error('%s is a result for package %s, but expected package %s' %
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(url, ressrc, src))
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return
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stamp = os.path.basename(os.path.dirname(url))
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# allow some skipped tests, but nothing else
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passed = exitcode in [0, 2]
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self.log_verbose('Fetched test result for %s/%s/%s %s: %s' % (
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src, ver, arch, stamp, passed and 'pass' or 'fail'))
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# remove matching test requests, remember triggers
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satisfied_triggers = set()
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for pending_ver, pending_archinfo in self.pending_tests.get(src, {}).copy().items():
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# if we encounter a tmpfail above, attribute it to the pending test
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if ver is None:
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ver = pending_ver
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# don't consider newer requested versions
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if apt_pkg.version_compare(pending_ver, ver) <= 0:
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try:
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t = pending_archinfo[arch]
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self.log_verbose('-> matches pending request for triggers %s' % str(t))
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satisfied_triggers.update(t)
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del self.pending_tests[src][pending_ver][arch]
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except KeyError:
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self.log_error('-> does not match any pending request!')
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pass
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if trigger:
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satisfied_triggers.add(trigger)
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# add this result
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src_arch_results = self.test_results.setdefault(src, {}).setdefault(arch, [stamp, {}, False])
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if ver is not None:
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if passed:
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# update ever_passed field
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src_arch_results[2] = True
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src_arch_results[1][ver] = (passed, merge_triggers(
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src_arch_results[1].get(ver, (None, []))[1], satisfied_triggers))
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# update latest_stamp
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if stamp > src_arch_results[0]:
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src_arch_results[0] = stamp
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def failed_tests_for_trigger(self, trigsrc, trigver):
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'''Return (src, arch) set for failed tests for given trigger pkg'''
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result = set()
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for src, srcinfo in self.test_results.items():
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for arch, (stamp, vermap, ever_passed) in srcinfo.items():
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for ver, (passed, triggers) in vermap.items():
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if not passed:
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# triggers might contain tuples or lists (after loading
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# from json), so iterate/check manually
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for s, v in triggers:
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if trigsrc == s and trigver == v:
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result.add((src, arch))
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return result
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#
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# Public API
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#
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def request(self, packages, excludes=None):
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if excludes:
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self.excludes.update(excludes)
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self.log_verbose('Requested autopkgtests for %s, exclusions: %s' %
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(['%s/%s' % i for i in packages], str(self.excludes)))
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for src, ver in packages:
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for (testsrc, testver) in self.tests_for_source(src, ver):
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for arch in self.britney.options.adt_arches.split():
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self.add_test_request(testsrc, testver, arch, src, ver)
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if self.britney.options.verbose:
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for src, verinfo in self.requested_tests.items():
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for ver, archinfo in verinfo.items():
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for arch, triggers in archinfo.items():
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self.log_verbose('Requesting %s/%s/%s autopkgtest to verify %s' %
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(src, ver, arch, ', '.join(['%s/%s' % i for i in triggers])))
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def submit(self):
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def _arches(verinfo):
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res = set()
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for archinfo in verinfo.values():
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res.update(archinfo.keys())
|
|
return res
|
|
|
|
def _trigsources(verinfo):
|
|
'''Calculate the triggers for a given verinfo map
|
|
|
|
verinfo is ver -> arch -> {(triggering-src1, ver1), ...}, i. e. an
|
|
entry of self.requested_tests[arch]
|
|
|
|
Return pair of ({kernel_trigger1, ...}, {nonkernel_trigger1, ...}) sets.
|
|
'''
|
|
kernel_triggers = set()
|
|
nonkernel_triggers = set()
|
|
for archinfo in verinfo.values():
|
|
for triggers in archinfo.values():
|
|
for (t, v) in triggers:
|
|
if t.startswith('linux-meta'):
|
|
kernel_triggers.add(t)
|
|
else:
|
|
nonkernel_triggers.add(t)
|
|
return (kernel_triggers, nonkernel_triggers)
|
|
|
|
# build per-queue request strings for new test requests
|
|
# TODO: Once we support version constraints in AMQP requests, add them
|
|
# arch → (queue_name, [(pkg, params), ...])
|
|
arch_queues = {}
|
|
for arch in self.britney.options.adt_arches.split():
|
|
requests = []
|
|
for pkg, verinfo in self.requested_tests.items():
|
|
if arch in _arches(verinfo):
|
|
# if a package gets triggered by several sources, we can
|
|
# run just one test for all triggers; but for proposed
|
|
# kernels we want to run a separate test for each, so that
|
|
# the test runs under that particular kernel
|
|
kernel_triggers, other_triggers = _trigsources(verinfo)
|
|
for kt in sorted(kernel_triggers):
|
|
params = {'triggers': [kt]}
|
|
requests.append((pkg, json.dumps(params)))
|
|
if other_triggers:
|
|
params = {'triggers': sorted(other_triggers)}
|
|
requests.append((pkg, json.dumps(params)))
|
|
arch_queues[arch] = ('debci-%s-%s' % (self.series, arch), requests)
|
|
|
|
amqp_url = self.britney.options.adt_amqp
|
|
|
|
if amqp_url.startswith('amqp://'):
|
|
# in production mode, send them out via AMQP
|
|
with kombu.Connection(amqp_url) as conn:
|
|
for arch, (queue, requests) in arch_queues.items():
|
|
# don't use SimpleQueue here as it always declares queues;
|
|
# ACLs might not allow that
|
|
with kombu.Producer(conn, routing_key=queue, auto_declare=False) as p:
|
|
for (pkg, params) in requests:
|
|
p.publish(pkg + '\n' + params)
|
|
elif amqp_url.startswith('file://'):
|
|
# in testing mode, adt_amqp will be a file:// URL
|
|
with open(amqp_url[7:], 'a') as f:
|
|
for arch, (queue, requests) in arch_queues.items():
|
|
for (pkg, params) in requests:
|
|
f.write('%s:%s %s\n' % (queue, pkg, params))
|
|
else:
|
|
self.log_error('Unknown ADT_AMQP schema in %s' %
|
|
self.britney.options.adt_amqp)
|
|
|
|
# mark them as pending now
|
|
self.update_pending_tests()
|
|
|
|
def collect(self, packages):
|
|
# update results from swift for all packages that we are waiting
|
|
# for, and remove pending tests that we have results for on all
|
|
# arches
|
|
for pkg, verinfo in copy.deepcopy(self.pending_tests).items():
|
|
for archinfo in verinfo.values():
|
|
for arch in archinfo:
|
|
self.fetch_swift_results(self.britney.options.adt_swift_url, pkg, arch)
|
|
# also update results for excuses whose tests failed, in case a
|
|
# manual retry worked
|
|
for (trigpkg, trigver) in packages:
|
|
if trigpkg not in self.pending_tests:
|
|
for (pkg, arch) in self.failed_tests_for_trigger(trigpkg, trigver):
|
|
self.log_verbose('Checking for new results for failed %s on %s for trigger %s/%s' %
|
|
(pkg, arch, trigpkg, trigver))
|
|
self.fetch_swift_results(self.britney.options.adt_swift_url, pkg, arch, (trigpkg, trigver))
|
|
|
|
# update the results cache
|
|
with open(self.results_cache_file + '.new', 'w') as f:
|
|
json.dump(self.test_results, f, indent=2)
|
|
os.rename(self.results_cache_file + '.new', self.results_cache_file)
|
|
self.log_verbose('Updated results cache')
|
|
|
|
# new results remove pending requests, update the on-disk cache
|
|
self.update_pending_tests()
|
|
|
|
def results(self, trigsrc, trigver):
|
|
'''Return test results for triggering package
|
|
|
|
Return (passed, src, ver, arch -> ALWAYSFAIL|PASS|FAIL|RUNNING)
|
|
iterator for all package tests that got triggered by trigsrc/trigver.
|
|
'''
|
|
for testsrc, testver in self.tests_for_source(trigsrc, trigver):
|
|
passed = True
|
|
arch_status = {}
|
|
for arch in self.britney.options.adt_arches.split():
|
|
try:
|
|
(_, ver_map, ever_passed) = self.test_results[testsrc][arch]
|
|
|
|
# we prefer passing tests for the specified testver; but if
|
|
# they fail, we also check for a result > testver, as test
|
|
# runs might see built versions which we didn't see in
|
|
# britney yet
|
|
try:
|
|
(status, triggers) = ver_map[testver]
|
|
if not status:
|
|
raise KeyError
|
|
except KeyError:
|
|
(testver, (status, triggers)) = latest_item(ver_map, testver)
|
|
|
|
# triggers might contain tuples or lists
|
|
if (trigsrc, trigver) not in triggers and [trigsrc, trigver] not in triggers:
|
|
raise KeyError('No result for trigger %s/%s yet' % (trigsrc, trigver))
|
|
if status:
|
|
arch_status[arch] = 'PASS'
|
|
else:
|
|
# test failed, check ever_passed flag for that src/arch
|
|
if ever_passed:
|
|
arch_status[arch] = 'REGRESSION'
|
|
passed = False
|
|
else:
|
|
arch_status[arch] = 'ALWAYSFAIL'
|
|
except KeyError:
|
|
# no result for testsrc/testver/arch; still running?
|
|
try:
|
|
self.pending_tests[testsrc][testver][arch]
|
|
arch_status[arch] = 'RUNNING'
|
|
passed = False
|
|
except KeyError:
|
|
# ignore if adt or swift results are disabled,
|
|
# otherwise this is unexpected
|
|
if not hasattr(self.britney.options, 'adt_swift_url'):
|
|
continue
|
|
# FIXME: Ignore this error for now as it crashes britney, but investigate!
|
|
self.log_error('FIXME: Result for %s/%s/%s (triggered by %s/%s) is neither known nor pending!' %
|
|
(testsrc, testver, arch, trigsrc, trigver))
|
|
continue
|
|
|
|
# disabled or ignored?
|
|
if not arch_status:
|
|
continue
|
|
|
|
yield (passed, testsrc, testver, arch_status)
|