diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/Plugins/Packages/Yum.py')
| -rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Packages/Yum.py | 157 |
1 files changed, 138 insertions, 19 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/Packages/Yum.py b/src/lib/Bcfg2/Server/Plugins/Packages/Yum.py index dbe3f9ce5..acb11f1ab 100644 --- a/src/lib/Bcfg2/Server/Plugins/Packages/Yum.py +++ b/src/lib/Bcfg2/Server/Plugins/Packages/Yum.py @@ -456,16 +456,13 @@ class YumCollection(Collection): reponame = basereponame added = False + rid = 1 while not added: try: config.add_section(reponame) added = True except ConfigParser.DuplicateSectionError: - match = re.search(r'-(\d+)', reponame) - if match: - rid = int(match.group(1)) + 1 - else: - rid = 1 + rid += 1 reponame = "%s-%d" % (basereponame, rid) config.set(reponame, "name", reponame) @@ -853,7 +850,7 @@ class YumCollection(Collection): return new @track_statistics() - def complete(self, packagelist, recommended=None): + def complete(self, packagelist, recommended=None, pinnings=None): """ Build a complete list of all packages and their dependencies. When using the Python yum libraries, this defers to the @@ -871,7 +868,8 @@ class YumCollection(Collection): resolved. """ if not self.use_yum: - return Collection.complete(self, packagelist, recommended) + return Collection.complete(self, packagelist, recommended, + pinnings) lock = FileLock(os.path.join(self.cachefile, "lock")) slept = 0 @@ -1004,8 +1002,20 @@ class YumSource(Source): ptype = 'yum' def __init__(self, basepath, xsource): - Source.__init__(self, basepath, xsource) + self.filemap = dict() + self.file_to_arch = dict() + self.needed_paths = set() + self.packages = dict() + self.yumgroups = dict() self.pulp_id = None + self.repo = None + + Source.__init__(self, basepath, xsource) + __init__.__doc__ = Source.__init__.__doc__ + + def _init_attributes(self, xsource): + Source._init_attributes(self, xsource) + if HAS_PULP and xsource.get("pulp_id"): self.pulp_id = xsource.get("pulp_id") @@ -1034,15 +1044,11 @@ class YumSource(Source): self.repo['relative_path']) self.arches = [self.repo['arch']] - self.packages = dict() self.deps = dict([('global', dict())]) self.provides = dict([('global', dict())]) self.filemap = dict([(x, dict()) for x in ['global'] + self.arches]) - self.needed_paths = set() - self.file_to_arch = dict() - self.yumgroups = dict() - __init__.__doc__ = Source.__init__.__doc__ + _init_attributes.__doc__ = Source._init_attributes.__doc__ @property def use_yum(self): @@ -1130,6 +1136,94 @@ class YumSource(Source): self.file_to_arch[self.escape_url(fullurl)] = arch return urls + # pylint: disable=R0911,R0912 + # disabling the pylint errors above because we are interesting in + # replicating the flow of the RPM code. + def _compare_rpm_versions(self, str1, str2): + """ Compare RPM versions. + + This is an attempt to reimplement RPM's rpmvercmp method in python. + + :param str1: package 1 version string + :param str2: package 2 version string + :return: 1 - str1 is newer than str2 + 0 - str1 and str2 are the same version + -1 - str2 is newer than str1""" + if str1 == str2: + return 0 + + front_strip_re = re.compile('^[^A-Za-z0-9~]+') + risdigit = re.compile('(^[0-9]+)') + risalpha = re.compile('(^[A-Za-z])') + lzeroes = re.compile('^0+') + + while len(str1) > 0 or len(str2) > 0: + str1 = front_strip_re.sub('', str1) + str2 = front_strip_re.sub('', str2) + + if len(str1) == 0 or len(str2) == 0: + break + + # handle the tilde separator + if str1[0] == '~' and str2[0] == '~': + str1 = str1[1:] + str2 = str2[1:] + elif str1[0] == '~': + return -1 + elif str2[0] == '~': + return 1 + + # grab continuous segments from each string + isnum = False + if risdigit.match(str1): + segment1 = risdigit.split(str1)[1] + str1 = risdigit.split(str1)[2] + if risdigit.match(str2): + segment2 = risdigit.split(str2)[1] + str2 = risdigit.split(str2)[2] + else: + segment2 = '' + isnum = True + else: + segment1 = risalpha.split(str1)[1] + str1 = risalpha.split(str1)[2] + if risalpha.match(str2): + segment2 = risalpha.split(str2)[1] + str2 = risalpha.split(str2)[2] + else: + segment2 = '' + + # numeric segments are always newer than alpha segments + if len(segment2) == 0: + if isnum: + return 1 + return -1 + + if isnum: + # discard leading zeroes + segment1 = lzeroes.sub('', segment1) + segment2 = lzeroes.sub('', segment2) + # higher number has more digits + if len(segment1) > len(segment2): + return 1 + elif len(segment2) > len(segment1): + return -1 + # do a simple string comparison + if segment1 > segment2: + return 1 + elif segment2 > segment1: + return -1 + + # if one of the strings is empty, the version of the longer + # string is higher + if len(str1) > len(str2): + return 1 + elif len(str2) > len(str1): + return -1 + else: + return 0 + # pylint: enable=R0911,R0912 + @track_statistics() def read_files(self): """ When using the builtin yum parser, read and parse locally @@ -1198,13 +1292,33 @@ class YumSource(Source): if arch not in self.packages: self.packages[arch] = set() if arch not in self.deps: - self.deps[arch] = dict() + self.deps[arch] = {} if arch not in self.provides: - self.provides[arch] = dict() + self.provides[arch] = {} + versionmap = {} for pkg in data.getchildren(): if not pkg.tag.endswith('package'): continue pkgname = pkg.find(XP + 'name').text + vtag = pkg.find(XP + 'version') + epoch = vtag.get('epoch') + version = vtag.get('ver') + release = vtag.get('rel') + if pkgname in self.packages[arch]: + # skip if version older than a previous version + if (self._compare_rpm_versions( + epoch, versionmap[pkgname]['epoch']) < 0): + continue + elif (self._compare_rpm_versions( + version, versionmap[pkgname]['version']) < 0): + continue + elif (self._compare_rpm_versions( + release, versionmap[pkgname]['release']) < 0): + continue + versionmap[pkgname] = {} + versionmap[pkgname]['epoch'] = epoch + versionmap[pkgname]['version'] = version + versionmap[pkgname]['release'] = release self.packages[arch].add(pkgname) pdata = pkg.find(XP + 'format') @@ -1256,10 +1370,15 @@ class YumSource(Source): arch = [a for a in self.arches if a in metadata.groups] if not arch: return False - return ((package in self.packages['global'] or - package in self.packages[arch[0]]) and - package not in self.blacklist and - (len(self.whitelist) == 0 or package in self.whitelist)) + try: + return ((package in self.packages['global'] or + package in self.packages[arch[0]]) and + package not in self.blacklist and + (len(self.whitelist) == 0 or package in self.whitelist)) + except KeyError: + self.logger.debug("Packages: Unable to find %s for arch %s" % + (package, arch[0])) + return False is_package.__doc__ = Source.is_package.__doc__ def get_vpkgs(self, metadata): |