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author | Chris St. Pierre <chris.a.st.pierre@gmail.com> | 2013-08-07 11:37:38 -0400 |
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committer | Chris St. Pierre <chris.a.st.pierre@gmail.com> | 2013-08-07 13:28:47 -0400 |
commit | 7e9787c947e99b68317f5420951a296cea858daa (patch) | |
tree | ebd7605737b8e9a9a35a8bfa58adf312c9fa0c49 /src/lib/Bcfg2/Server/Plugins/Metadata.py | |
parent | 441a96457ba55529c0316a7459dcb295988824b0 (diff) | |
download | bcfg2-7e9787c947e99b68317f5420951a296cea858daa.tar.gz bcfg2-7e9787c947e99b68317f5420951a296cea858daa.tar.bz2 bcfg2-7e9787c947e99b68317f5420951a296cea858daa.zip |
Plugin: added new Caching interface
This gives a single unified interface for expiring caches, no matter
the plugin. This will be particularly useful with the
MultiprocessingCore, as certain calls must be dispatched to child
processes to expire their caches.
Diffstat (limited to 'src/lib/Bcfg2/Server/Plugins/Metadata.py')
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Metadata.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/Metadata.py b/src/lib/Bcfg2/Server/Plugins/Metadata.py index cc0456334..03323d64b 100644 --- a/src/lib/Bcfg2/Server/Plugins/Metadata.py +++ b/src/lib/Bcfg2/Server/Plugins/Metadata.py @@ -487,6 +487,7 @@ class MetadataGroup(tuple): # pylint: disable=E0012,R0924 class Metadata(Bcfg2.Server.Plugin.Metadata, + Bcfg2.Server.Plugin.Caching, Bcfg2.Server.Plugin.ClientRunHooks, Bcfg2.Server.Plugin.DatabaseBacked): """This class contains data for bcfg2 server metadata.""" @@ -495,6 +496,7 @@ class Metadata(Bcfg2.Server.Plugin.Metadata, def __init__(self, core, datastore, watch_clients=True): Bcfg2.Server.Plugin.Metadata.__init__(self) + Bcfg2.Server.Plugin.Caching.__init__(self) Bcfg2.Server.Plugin.ClientRunHooks.__init__(self) Bcfg2.Server.Plugin.DatabaseBacked.__init__(self, core, datastore) self.watch_clients = watch_clients @@ -934,13 +936,16 @@ class Metadata(Bcfg2.Server.Plugin.Metadata, self.groups[gname] self.states['groups.xml'] = True + def expire_cache(self, key=None): + self.core.metadata_cache.expire(key) + def HandleEvent(self, event): """Handle update events for data files.""" for handles, event_handler in self.handlers.items(): if handles(event): # clear the entire cache when we get an event for any # metadata file - self.core.metadata_cache.expire() + self.expire_cache() event_handler(event) if False not in list(self.states.values()) and self.debug_flag: |