diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/Plugins/Packages/__init__.py')
| -rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Packages/__init__.py | 62 |
1 files changed, 19 insertions, 43 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/Packages/__init__.py b/src/lib/Bcfg2/Server/Plugins/Packages/__init__.py index 5af9c1591..56285705a 100644 --- a/src/lib/Bcfg2/Server/Plugins/Packages/__init__.py +++ b/src/lib/Bcfg2/Server/Plugins/Packages/__init__.py @@ -8,6 +8,7 @@ import glob import shutil import lxml.etree import Bcfg2.Options +import Bcfg2.Server.Cache import Bcfg2.Server.Plugin from Bcfg2.Compat import urlopen, HTTPError, URLError, MutableMapping from Bcfg2.Server.Plugins.Packages.Collection import Collection, \ @@ -81,7 +82,6 @@ class OnDemandDict(MutableMapping): class Packages(Bcfg2.Server.Plugin.Plugin, - Bcfg2.Server.Plugin.Caching, Bcfg2.Server.Plugin.StructureValidator, Bcfg2.Server.Plugin.Generator, Bcfg2.Server.Plugin.Connector, @@ -136,12 +136,8 @@ class Packages(Bcfg2.Server.Plugin.Plugin, #: and :func:`Reload` __rmi__ = Bcfg2.Server.Plugin.Plugin.__rmi__ + ['Refresh', 'Reload'] - __child_rmi__ = Bcfg2.Server.Plugin.Plugin.__child_rmi__ + \ - [('Refresh', 'expire_cache'), ('Reload', 'expire_cache')] - def __init__(self, core, datastore): Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore) - Bcfg2.Server.Plugin.Caching.__init__(self) Bcfg2.Server.Plugin.StructureValidator.__init__(self) Bcfg2.Server.Plugin.Generator.__init__(self) Bcfg2.Server.Plugin.Connector.__init__(self) @@ -185,7 +181,7 @@ class Packages(Bcfg2.Server.Plugin.Plugin, #: :attr:`Bcfg2.Server.Plugins.Packages.Collection.Collection.cachekey`, #: a unique key identifying the collection by its *config*, #: which could be shared among multiple clients. - self.collections = dict() + self.collections = Bcfg2.Server.Cache.Cache("Packages", "collections") #: clients is a cache mapping of hostname -> #: :attr:`Bcfg2.Server.Plugins.Packages.Collection.Collection.cachekey` @@ -193,21 +189,8 @@ class Packages(Bcfg2.Server.Plugin.Plugin, #: :class:`Bcfg2.Server.Plugins.Packages.Collection.Collection` #: object when one is requested, so each entry is very #: short-lived -- it's purged at the end of each client run. - self.clients = dict() - - #: groupcache caches group lookups. It maps Collections (via - #: :attr:`Bcfg2.Server.Plugins.Packages.Collection.Collection.cachekey`) - #: to sets of package groups, and thence to the packages - #: indicated by those groups. - self.groupcache = dict() - - #: pkgcache caches complete package sets. It maps Collections - #: (via - #: :attr:`Bcfg2.Server.Plugins.Packages.Collection.Collection.cachekey`) - #: to sets of initial packages, and thence to the final - #: (complete) package selections resolved from the initial - #: packages - self.pkgcache = dict() + self.clients = Bcfg2.Server.Cache.Cache("Packages", "cache") + # pylint: enable=C0301 __init__.__doc__ = Bcfg2.Server.Plugin.Plugin.__init__.__doc__ @@ -400,11 +383,12 @@ class Packages(Bcfg2.Server.Plugin.Plugin, groups.sort() # check for this set of groups in the group cache + gcache = Bcfg2.Server.Cache.Cache("Packages", "pkg_groups", + collection.cachekey) gkey = hash(tuple(groups)) - if gkey not in self.groupcache[collection.cachekey]: - self.groupcache[collection.cachekey][gkey] = \ - collection.get_groups(groups) - for pkgs in self.groupcache[collection.cachekey][gkey].values(): + if gkey not in gcache: + gcache[gkey] = collection.get_groups(groups) + for pkgs in gcache[gkey].values(): base.update(pkgs) # essential pkgs are those marked as such by the distribution @@ -412,10 +396,11 @@ class Packages(Bcfg2.Server.Plugin.Plugin, # check for this set of packages in the package cache pkey = hash(tuple(base)) - if pkey not in self.pkgcache[collection.cachekey]: - self.pkgcache[collection.cachekey][pkey] = \ - collection.complete(base) - packages, unknown = self.pkgcache[collection.cachekey][pkey] + pcache = Bcfg2.Server.Cache.Cache("Packages", "pkg_sets", + collection.cachekey) + if pkey not in pcache: + pcache[pkey] = collection.complete(base) + packages, unknown = pcache[pkey] if unknown: self.logger.info("Packages: Got %d unknown entries" % len(unknown)) self.logger.info("Packages: %s" % list(unknown)) @@ -441,7 +426,8 @@ class Packages(Bcfg2.Server.Plugin.Plugin, self._load_config() return True - def expire_cache(self, _=None): + def child_reload(self, _=None): + """ Reload the Packages configuration on a child process. """ self.Reload() def _load_config(self, force_update=False): @@ -472,10 +458,7 @@ class Packages(Bcfg2.Server.Plugin.Plugin, collection.setup_data(force_update) # clear Collection and package caches - self.clients = dict() - self.collections = dict() - self.groupcache = dict() - self.pkgcache = dict() + Bcfg2.Server.Cache.expire("Packages") for source in self.sources.entries: cachefiles.add(source.cachefile) @@ -551,11 +534,7 @@ class Packages(Bcfg2.Server.Plugin.Plugin, if not self.sources.loaded: # if sources.xml has not received a FAM event yet, defer; # instantiate a dummy Collection object - collection = Collection(metadata, [], self.cachepath, self.data) - ckey = collection.cachekey - self.groupcache.setdefault(ckey, dict()) - self.pkgcache.setdefault(ckey, dict()) - return collection + return Collection(metadata, [], self.cachepath, self.data) if metadata.hostname in self.clients: return self.collections[self.clients[metadata.hostname]] @@ -592,8 +571,6 @@ class Packages(Bcfg2.Server.Plugin.Plugin, if cclass != Collection: self.clients[metadata.hostname] = ckey self.collections[ckey] = collection - self.groupcache.setdefault(ckey, dict()) - self.pkgcache.setdefault(ckey, dict()) return collection def get_additional_data(self, metadata): @@ -642,8 +619,7 @@ class Packages(Bcfg2.Server.Plugin.Plugin, :param metadata: The client metadata :type metadata: Bcfg2.Server.Plugins.Metadata.ClientMetadata """ - if metadata.hostname in self.clients: - del self.clients[metadata.hostname] + self.clients.expire(metadata.hostname) def end_statistics(self, metadata): """ Hook to clear the cache for this client in :attr:`clients` |