original_docstring: 
          Adds new meta information to the metrics store. All metrics entries that are created after calling this method are guaranteed to
          contain the added meta info (provided is on the same level or a level below, e.g. a cluster level metric will not contain node
          level meta information but all cluster level meta information will be contained in a node level metrics record).
  
          :param scope: The scope of the meta information. See MetaInfoScope.
          :param scope_key: The key within the scope. For cluster level metrics None is expected, for node level metrics the node name.
          :param key: The key of the meta information.
          :param value: The value of the meta information.
          
docstring: Adds new meta information to the metrics store. All metrics entries that are created after calling this method are guaranteed to
  contain the added meta info (provided is on the same level or a level below, e.g. a cluster level metric will not contain node
  level meta information but all cluster level meta information will be contained in a node level metrics record).
docstring_tokens: Adds new meta information to the metrics store . All metrics entries that are created after calling this method are guaranteed to contain the added meta info ( provided is on the same level or a level below e . g . a cluster level metric will not contain node level meta information but all cluster level meta information will be contained in a node level metrics record ) .
code: def add_meta_info(self, scope, scope_key, key, value):
          """
          Adds new meta information to the metrics store. All metrics entries that are created after calling this method are guaranteed to
          contain the added meta info (provided is on the same level or a level below, e.g. a cluster level metric will not contain node
          level meta information but all cluster level meta information will be contained in a node level metrics record).
  
          :param scope: The scope of the meta information. See MetaInfoScope.
          :param scope_key: The key within the scope. For cluster level metrics None is expected, for node level metrics the node name.
          :param key: The key of the meta information.
          :param value: The value of the meta information.
          """
          if scope == MetaInfoScope.cluster:
              self._meta_info[MetaInfoScope.cluster][key] = value
          elif scope == MetaInfoScope.node:
              if scope_key not in self._meta_info[MetaInfoScope.node]:
                  self._meta_info[MetaInfoScope.node][scope_key] = {}
              self._meta_info[MetaInfoScope.node][scope_key][key] = value
          else:
              raise exceptions.SystemSetupError("Unknown meta info scope [%s]" % scope)
code_tokens: def add_meta_info ( self , scope , scope_key , key , value ) : if scope == MetaInfoScope . cluster : self . _meta_info [ MetaInfoScope . cluster ] [ key ] = value elif scope == MetaInfoScope . node : if scope_key not in self . _meta_info [ MetaInfoScope . node ] : self . _meta_info [ MetaInfoScope . node ] [ scope_key ] = { } self . _meta_info [ MetaInfoScope . node ] [ scope_key ] [ key ] = value else : raise exceptions . SystemSetupError ( "Unknown meta info scope [%s]" % scope )
short_docstring: Adds new meta information to the metrics store.
short_docstring_tokens: Adds new meta information to the metrics store .
comment: """
          Adds new meta information to the metrics store. All metrics entries that are created after calling this method are guaranteed to
          contain the added meta info (provided is on the same level or a level below, e.g. a cluster level metric will not contain node
          level meta information but all cluster level meta information will be contained in a node level metrics record).
  
          :param scope: The scope of the meta information. See MetaInfoScope.
          :param scope_key: The key within the scope. For cluster level metrics None is expected, for node level metrics the node name.
          :param key: The key of the meta information.
          :param value: The value of the meta information.
          """