diff options
Diffstat (limited to 'src/lib/Server')
| -rw-r--r-- | src/lib/Server/Plugins/Packages.py | 104 |
1 files changed, 63 insertions, 41 deletions
diff --git a/src/lib/Server/Plugins/Packages.py b/src/lib/Server/Plugins/Packages.py index 80ed089b6..bf532ee50 100644 --- a/src/lib/Server/Plugins/Packages.py +++ b/src/lib/Server/Plugins/Packages.py @@ -123,6 +123,14 @@ class Source(object): return False def complete(self, metadata, packages, unresolved, debug=False): + '''Construct the transitive closure of package dependencies for client + + Arguments: + metadata - client metadata instance + packages - set of package names + unresolved - set of unresolved dependency package names + debug - boolean debug mode + ''' # perhaps cache arch? #arch = [a for a in self.arches if a in metadata.groups][0] # return newpkg, unknown @@ -197,7 +205,7 @@ class Source(object): pass else: # dep unsatisfied - # FIXME: hacky; multiple provides still not handled + # FIXME: hacky; multiple provides still not forced unknown.add(item) else: unknown.add(item) @@ -229,8 +237,8 @@ class YUMSource(Source): def save_state(self): cache = file(self.cachefile, 'wb') - data = cPickle.dump((self.packages, self.deps, self.provides, - self.filemap), cache, 2) + cPickle.dump((self.packages, self.deps, self.provides, + self.filemap), cache, 2) cache.close() def load_state(self): @@ -363,8 +371,8 @@ class APTSource(Source): def save_state(self): cache = file(self.cachefile, 'wb') - data = cPickle.dump((self.pkgnames, self.deps, self.provides), - cache, 2) + cPickle.dump((self.pkgnames, self.deps, self.provides), + cache, 2) cache.close() def load_state(self): @@ -387,73 +395,71 @@ class APTSource(Source): bdeps = dict() bprov = dict() for fname in self.files: - bin = [x for x in fname.split('@') if x.startswith('binary-')][0][7:] - if bin not in bdeps: - bdeps[bin] = dict() - bprov[bin] = dict() + barch = [x for x in fname.split('@') if x.startswith('binary-')][0][7:] + if barch not in bdeps: + bdeps[barch] = dict() + bprov[barch] = dict() try: reader = gzip.GzipFile(fname) except: print("Failed to read file %s" % fname) - raise Exception() - continue + raise for line in reader.readlines(): words = line.strip().split(':', 1) if words[0] == 'Package': pkgname = words[1].strip().rstrip() self.pkgnames.add(pkgname) elif words[0] == 'Depends': - bdeps[bin][pkgname] = [] + bdeps[barch][pkgname] = [] vindex = 0 for dep in words[1].split(','): raw_dep = re.sub('\(.*\)', '', dep) if '|' in raw_dep: - dyn_dname = "choice-%s-%s-%s" % (pkgname, bin, vindex) + dyn_dname = "choice-%s-%s-%s" % (pkgname, barch, vindex) vindex += 1 - bdeps[bin][pkgname].append(dyn_dname) + bdeps[barch][pkgname].append(dyn_dname) dyn_list = [x.strip() for x in raw_dep.split('|')] - bprov[bin][dyn_dname] = set(dyn_list) + bprov[barch][dyn_dname] = set(dyn_list) else: raw_dep = raw_dep.rstrip().strip() - bdeps[bin][pkgname].append(raw_dep) + bdeps[barch][pkgname].append(raw_dep) elif words[0] == 'Provides': for pkg in words[1].split(','): dname = pkg.rstrip().strip() - if dname not in bprov[bin]: - bprov[bin][dname] = set() - bprov[bin][dname].add(pkgname) + if dname not in bprov[barch]: + bprov[barch][dname] = set() + bprov[barch][dname].add(pkgname) self.deps['global'] = dict() self.provides['global'] = dict() - for bin in bdeps: - self.deps[bin] = dict() - self.provides[bin] = dict() + for barch in bdeps: + self.deps[barch] = dict() + self.provides[barch] = dict() for pkgname in self.pkgnames: pset = set() - for bin in bdeps: - if pkgname not in bdeps[bin]: - bdeps[bin][pkgname] = [] - pset.add(tuple(bdeps[bin][pkgname])) + for barch in bdeps: + if pkgname not in bdeps[barch]: + bdeps[barch][pkgname] = [] + pset.add(tuple(bdeps[barch][pkgname])) if len(pset) == 1: self.deps['global'][pkgname] = pset.pop() else: - for bin in bdeps: - self.deps[bin][pkgname] = bdeps[bin][pkgname] + for barch in bdeps: + self.deps[barch][pkgname] = bdeps[barch][pkgname] provided = set() - for bin in bprov: - for prov in bprov[bin]: - provided.add(prov) + for bprovided in bprov.values(): + provided.update(set(bprovided)) for prov in provided: prset = set() - for bin in bprov: - if prov not in bprov[bin]: + for barch in bprov: + if prov not in bprov[barch]: continue - prset.add(tuple(bprov[bin].get(prov, ()))) + prset.add(tuple(bprov[barch].get(prov, ()))) if len(prset) == 1: self.provides['global'][prov] = prset.pop() else: - for bin in bprov: - self.provides[bin][prov] = bprov[bin].get(prov, ()) + for barch in bprov: + self.provides[barch][prov] = bprov[barch].get(prov, ()) self.save_state() def is_package(self, _, pkg): @@ -484,7 +490,7 @@ class Packages(Bcfg2.Server.Plugin.Plugin, os.makedirs(self.cachepath) try: xdata = lxml.etree.parse(self.data + '/config.xml').getroot() - except IOError, e: + except IOError: self.logger.error("Failed to read Packages configuration. Have" " you created your config.xml file?") raise Bcfg2.Server.Plugin.PluginInitError @@ -514,6 +520,13 @@ class Packages(Bcfg2.Server.Plugin.Plugin, entry.set('type', source.ptype) def complete(self, meta, packages, debug=False): + '''Build the transitive closure of all package dependencies + + Arguments: + meta - client metadata instance + packages - set of package names + debug - print out debug information for the decision making process + ''' sources = self.get_matching_sources(meta) # reverse list so that priorities correspond to file order sources.reverse() @@ -539,6 +552,12 @@ class Packages(Bcfg2.Server.Plugin.Plugin, return pkgs, unknown, ptype.pop() def validate_structures(self, meta, structures): + '''Ensure client configurations include all needed prerequisites + + Arguments: + meta - client metadata instance + structures - a list of structure-stage entry combinations + ''' initial = set([pkg.get('name') for struct in structures \ for pkg in struct.findall('Package')]) news = lxml.etree.Element('Independent') @@ -553,14 +572,17 @@ class Packages(Bcfg2.Server.Plugin.Plugin, type=ptype, version='auto', origin='Packages') structures.append(news) - def make_non_redundant(self, meta, plname): + def make_non_redundant(self, meta, plname=None, plist=None): '''build a non-redundant version of a list of packages Arguments: meta - client metadata instance plname - name of file containing a list of packages ''' - pkgnames = set([x.strip() for x in open(plname).readlines()]) + if plname is not None: + pkgnames = set([x.strip() for x in open(plname).readlines()]) + elif plist is not None: + pkgnames = set(plist) redundant = set() sources = self.get_matching_sources(meta) for source in sources: @@ -578,8 +600,8 @@ class Packages(Bcfg2.Server.Plugin.Plugin, '''Packages.Refresh() => True|False\nReload configuration specification and sources\n''' try: xdata = lxml.etree.parse(self.data + '/config.xml').getroot() - except IOError, e: - self.logger.error("Failed to read Packages configuration. Have" + except IOError: + self.logger.error("Failed to read Packages configuration. Have" + " you created your config.xml file?") raise Bcfg2.Server.Plugin.PluginInitError self.sentinels = set() |