diff options
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/AWSTags.py | 5 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/GroupLogic.py | 13 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Ohai.py | 7 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Probes.py | 15 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Properties.py | 41 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/PuppetENC.py | 2 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/SSHbase.py | 4 | ||||
-rw-r--r-- | src/lib/Bcfg2/Server/Plugins/TemplateHelper.py | 12 |
8 files changed, 76 insertions, 23 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/AWSTags.py b/src/lib/Bcfg2/Server/Plugins/AWSTags.py index 0d6eefaaa..556805bde 100644 --- a/src/lib/Bcfg2/Server/Plugins/AWSTags.py +++ b/src/lib/Bcfg2/Server/Plugins/AWSTags.py @@ -172,6 +172,11 @@ class AWSTags(Bcfg2.Server.Plugin.Plugin, def start_client_run(self, metadata): self.expire_cache(key=metadata.hostname) + if self.core.metadata_cache_mode == 'aggressive': + self.logger.warning("AWSTags is incompatible with aggressive " + "client metadata caching, try 'cautious' " + "or 'initial'") + self.core.metadata_cache.expire(metadata.hostname) def get_additional_data(self, metadata): return self.get_tags(metadata) diff --git a/src/lib/Bcfg2/Server/Plugins/GroupLogic.py b/src/lib/Bcfg2/Server/Plugins/GroupLogic.py index b60f60e65..184b362f9 100644 --- a/src/lib/Bcfg2/Server/Plugins/GroupLogic.py +++ b/src/lib/Bcfg2/Server/Plugins/GroupLogic.py @@ -13,6 +13,17 @@ class GroupLogicConfig(Bcfg2.Server.Plugin.StructFile): create = lxml.etree.Element("GroupLogic", nsmap=dict(py="http://genshi.edgewall.org/")) + def __init__(self, filename, core): + Bcfg2.Server.Plugin.StructFile.__init__(self, filename, + should_monitor=True) + self.core = core + + def Index(self): + Bcfg2.Server.Plugin.StructFile.Index(self) + + if self.core.metadata_cache_mode in ['cautious', 'aggressive']: + self.core.metadata_cache.expire() + def _match(self, item, metadata, *args): if item.tag == 'Group' and not len(item.getchildren()): return [item] @@ -39,7 +50,7 @@ class GroupLogic(Bcfg2.Server.Plugin.Plugin, Bcfg2.Server.Plugin.Plugin.__init__(self, core) Bcfg2.Server.Plugin.Connector.__init__(self) self.config = GroupLogicConfig(os.path.join(self.data, "groups.xml"), - should_monitor=True) + core=core) self._local = local() def get_additional_groups(self, metadata): diff --git a/src/lib/Bcfg2/Server/Plugins/Ohai.py b/src/lib/Bcfg2/Server/Plugins/Ohai.py index 461be9ba8..b314e60a0 100644 --- a/src/lib/Bcfg2/Server/Plugins/Ohai.py +++ b/src/lib/Bcfg2/Server/Plugins/Ohai.py @@ -94,7 +94,12 @@ class Ohai(Bcfg2.Server.Plugin.Plugin, return [self.probe] def ReceiveData(self, meta, datalist): - self.cache[meta.hostname] = datalist[0].text + if meta.hostname not in self.cache or \ + self.cache[meta.hostname] != datalist[0].text: + self.cache[meta.hostname] = datalist[0].text + + if self.core.metadata_cache_mode in ['cautious', 'aggressive']: + self.core.metadata_cache.expire(meta.hostname) def get_additional_data(self, meta): if meta.hostname in self.cache: diff --git a/src/lib/Bcfg2/Server/Plugins/Probes.py b/src/lib/Bcfg2/Server/Plugins/Probes.py index 76aab69b5..573c9af71 100644 --- a/src/lib/Bcfg2/Server/Plugins/Probes.py +++ b/src/lib/Bcfg2/Server/Plugins/Probes.py @@ -74,6 +74,7 @@ class ProbeStore(Debuggable): def __init__(self, core, datadir): # pylint: disable=W0613 Debuggable.__init__(self) + self.core = core self._groupcache = Bcfg2.Server.Cache.Cache("Probes", "probegroups") self._datacache = Bcfg2.Server.Cache.Cache("Probes", "probedata") @@ -134,7 +135,7 @@ class DBProbeStore(ProbeStore, Bcfg2.Server.Plugin.DatabaseBacked): Bcfg2.Server.Cache.expire("Probes", "probegroups", hostname) groupdata = ProbesGroupsModel.objects.filter(hostname=hostname) self._groupcache[hostname] = list(set(r.group for r in groupdata)) - Bcfg2.Server.Cache.expire("Metadata", hostname) + self.core.metadata_cache.expire(hostname) @Bcfg2.Server.Plugin.DatabaseBacked.get_db_lock def set_groups(self, hostname, groups): @@ -155,7 +156,7 @@ class DBProbeStore(ProbeStore, Bcfg2.Server.Plugin.DatabaseBacked): ProbesGroupsModel.objects.filter( hostname=hostname).exclude(group__in=groups).delete() if olddata != groups: - Bcfg2.Server.Cache.expire("Metadata", hostname) + self.core.metadata_cache.expire(hostname) def _load_data(self, hostname): Bcfg2.Server.Cache.expire("Probes", "probegroups", hostname) @@ -168,7 +169,7 @@ class DBProbeStore(ProbeStore, Bcfg2.Server.Plugin.DatabaseBacked): time.mktime(pdata.timestamp.timetuple()) ts_set = True self._datacache[hostname][pdata.probe] = ProbeData(pdata.data) - Bcfg2.Server.Cache.expire("Metadata", hostname) + self.core.metadata_cache.expire(hostname) @Bcfg2.Server.Plugin.DatabaseBacked.get_db_lock def set_data(self, hostname, data): @@ -198,7 +199,7 @@ class DBProbeStore(ProbeStore, Bcfg2.Server.Plugin.DatabaseBacked): qset.delete() expire_metadata = True if expire_metadata: - Bcfg2.Server.Cache.expire("Metadata", hostname) + self.core.metadata_cache.expire(hostname) class XMLProbeStore(ProbeStore): @@ -234,7 +235,7 @@ class XMLProbeStore(ProbeStore): self._groupcache[client.get('name')].append( pdata.get('name')) - Bcfg2.Server.Cache.expire("Metadata") + self.core.metadata_cache.expire() def _load_groups(self, hostname): self._load_data(hostname) @@ -274,7 +275,7 @@ class XMLProbeStore(ProbeStore): olddata = self._groupcache.get(hostname, []) self._groupcache[hostname] = groups if olddata != groups: - Bcfg2.Server.Cache.expire("Metadata", hostname) + self.core.metadata_cache.expire(hostname) def set_data(self, hostname, data): Bcfg2.Server.Cache.expire("Probes", "probedata", hostname) @@ -285,7 +286,7 @@ class XMLProbeStore(ProbeStore): self._datacache[hostname][probe] = pdata expire_metadata |= olddata != data if expire_metadata: - Bcfg2.Server.Cache.expire("Metadata", hostname) + self.core.metadata_cache.expire(hostname) class ClientProbeDataSet(dict): diff --git a/src/lib/Bcfg2/Server/Plugins/Properties.py b/src/lib/Bcfg2/Server/Plugins/Properties.py index c4dd75e60..e6549b714 100644 --- a/src/lib/Bcfg2/Server/Plugins/Properties.py +++ b/src/lib/Bcfg2/Server/Plugins/Properties.py @@ -35,13 +35,17 @@ LOGGER = logging.getLogger(__name__) class PropertyFile(object): """ Base Properties file handler """ - def __init__(self, name): + def __init__(self, name, core): """ :param name: The filename of this properties file. + :type name: string + :param core: The Bcfg2.Server.Core initializing the Properties plugin + :type core: Bcfg2.Server.Core .. automethod:: _write """ self.name = name + self.core = core def write(self): """ Write the data in this data structure back to the property @@ -69,6 +73,12 @@ class PropertyFile(object): file. """ raise NotImplementedError + def _expire_metadata_cache(self): + """ Expires the metadata cache, if it is required by the caching + mode. """ + if self.core.metadata_cache_mode in ['cautious', 'aggressive']: + self.core.metadata_cache.expire() + def validate_data(self): """ Verify that the data in this file is valid. """ raise NotImplementedError @@ -81,9 +91,9 @@ class PropertyFile(object): class JSONPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): """Handle JSON Properties files.""" - def __init__(self, name): + def __init__(self, name, core): Bcfg2.Server.Plugin.FileBacked.__init__(self, name) - PropertyFile.__init__(self, name) + PropertyFile.__init__(self, name, core) self.json = None def Index(self): @@ -93,10 +103,13 @@ class JSONPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): err = sys.exc_info()[1] raise PluginExecutionError("Could not load JSON data from %s: %s" % (self.name, err)) + self._expire_metadata_cache() + Index.__doc__ = Bcfg2.Server.Plugin.FileBacked.Index.__doc__ def _write(self): json.dump(self.json, open(self.name, 'wb')) return True + _write.__doc__ = PropertyFile._write.__doc__ def validate_data(self): try: @@ -105,6 +118,7 @@ class JSONPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): err = sys.exc_info()[1] raise PluginExecutionError("Data for %s cannot be dumped to JSON: " "%s" % (self.name, err)) + validate_data.__doc__ = PropertyFile.validate_data.__doc__ def __str__(self): return str(self.json) @@ -116,11 +130,10 @@ class JSONPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): class YAMLPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): """ Handle YAML Properties files. """ - def __init__(self, name): + def __init__(self, name, core): Bcfg2.Server.Plugin.FileBacked.__init__(self, name) - PropertyFile.__init__(self, name) + PropertyFile.__init__(self, name, core) self.yaml = None - __init__.__doc__ = Bcfg2.Server.Plugin.FileBacked.__init__.__doc__ def Index(self): try: @@ -129,6 +142,7 @@ class YAMLPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): err = sys.exc_info()[1] raise PluginExecutionError("Could not load YAML data from %s: %s" % (self.name, err)) + self._expire_metadata_cache() Index.__doc__ = Bcfg2.Server.Plugin.FileBacked.Index.__doc__ def _write(self): @@ -155,10 +169,15 @@ class YAMLPropertyFile(Bcfg2.Server.Plugin.FileBacked, PropertyFile): class XMLPropertyFile(Bcfg2.Server.Plugin.StructFile, PropertyFile): """ Handle XML Properties files. """ - def __init__(self, name, should_monitor=False): + def __init__(self, name, core, should_monitor=False): Bcfg2.Server.Plugin.StructFile.__init__(self, name, should_monitor=should_monitor) - PropertyFile.__init__(self, name) + PropertyFile.__init__(self, name, core) + + def Index(self): + Bcfg2.Server.Plugin.StructFile.Index(self) + self._expire_metadata_cache() + Index.__doc__ = Bcfg2.Server.Plugin.StructFile.Index.__doc__ def _write(self): open(self.name, "wb").write( @@ -258,11 +277,11 @@ class Properties(Bcfg2.Server.Plugin.Plugin, :class:`PropertyFile` """ if fname.endswith(".xml"): - return XMLPropertyFile(fname) + return XMLPropertyFile(fname, self.core) elif HAS_JSON and fname.endswith(".json"): - return JSONPropertyFile(fname) + return JSONPropertyFile(fname, self.core) elif HAS_YAML and (fname.endswith(".yaml") or fname.endswith(".yml")): - return YAMLPropertyFile(fname) + return YAMLPropertyFile(fname, self.core) else: raise Bcfg2.Server.Plugin.PluginExecutionError( "Properties: Unknown extension %s" % fname) diff --git a/src/lib/Bcfg2/Server/Plugins/PuppetENC.py b/src/lib/Bcfg2/Server/Plugins/PuppetENC.py index 59fbe6f03..e2d8a058f 100644 --- a/src/lib/Bcfg2/Server/Plugins/PuppetENC.py +++ b/src/lib/Bcfg2/Server/Plugins/PuppetENC.py @@ -117,7 +117,7 @@ class PuppetENC(Bcfg2.Server.Plugin.Plugin, self.logger.warning("PuppetENC is incompatible with aggressive " "client metadata caching, try 'cautious' or " "'initial' instead") - self.core.expire_caches_by_type(Bcfg2.Server.Plugin.Metadata) + self.core.metadata_cache.expire() def end_statistics(self, metadata): self.end_client_run(self, metadata) diff --git a/src/lib/Bcfg2/Server/Plugins/SSHbase.py b/src/lib/Bcfg2/Server/Plugins/SSHbase.py index 7736bd050..7f20e72eb 100644 --- a/src/lib/Bcfg2/Server/Plugins/SSHbase.py +++ b/src/lib/Bcfg2/Server/Plugins/SSHbase.py @@ -286,6 +286,10 @@ class SSHbase(Bcfg2.Server.Plugin.Plugin, self.debug_log("New public key %s; invalidating " "ssh_known_hosts cache" % event.filename) self.skn = False + + if self.core.metadata_cache_mode in ['cautious', + 'aggressive']: + self.core.metadata_cache.expire() return if event.filename == 'info.xml': diff --git a/src/lib/Bcfg2/Server/Plugins/TemplateHelper.py b/src/lib/Bcfg2/Server/Plugins/TemplateHelper.py index b0b8d0061..ff67571fa 100644 --- a/src/lib/Bcfg2/Server/Plugins/TemplateHelper.py +++ b/src/lib/Bcfg2/Server/Plugins/TemplateHelper.py @@ -15,9 +15,10 @@ MODULE_RE = re.compile(r'(?P<filename>(?P<module>[^\/]+)\.py)$') class HelperModule(Debuggable): """ Representation of a TemplateHelper module """ - def __init__(self, name): + def __init__(self, name, core): Debuggable.__init__(self) self.name = name + self.core = core #: The name of the module as used by get_additional_data(). #: the name of the file with .py stripped off. @@ -44,6 +45,10 @@ class HelperModule(Debuggable): if event and event.code2str() not in ['exists', 'changed', 'created']: return + # expire the metadata cache, because the module might have changed + if self.core.metadata_cache_mode in ['cautious', 'aggressive']: + self.core.metadata_cache.expire() + try: module = imp.load_source( safe_module_name('TemplateHelper', self._module_name), @@ -101,7 +106,6 @@ class TemplateHelper(Plugin, Connector, DirectoryBacked, TemplateDataProvider): __author__ = 'chris.a.st.pierre@gmail.com' ignore = re.compile(r'^(\.#.*|.*~|\..*\.(sw[px])|.*\.py[co])$') patterns = MODULE_RE - __child__ = HelperModule def __init__(self, core): Plugin.__init__(self, core) @@ -109,6 +113,10 @@ class TemplateHelper(Plugin, Connector, DirectoryBacked, TemplateDataProvider): DirectoryBacked.__init__(self, self.data) TemplateDataProvider.__init__(self) + # The HelperModule needs access to the core, so we have to construct + # it manually and add the custom argument. + self.__child__ = lambda fname: HelperModule(fname, core) + def get_additional_data(self, _): return dict([(h._module_name, h) # pylint: disable=W0212 for h in self.entries.values()]) |