Source code for insights.combiners.limits_conf

Limits configuration

The limits files are normally available to rules as a list of LimitsConf
objects.  This combiner turns those into one set of data, and provides a
``find_all()`` method to search the rules from all the files.

from insights.core.plugins import combiner
from insights.parsers.limits_conf import LimitsConf

[docs]@combiner(LimitsConf) class AllLimitsConf(object): """ Combiner for accessing all the limits configuration files. Attributes: domains(set): the set of domains found in all data files. limits(list): a list of the original LimitsConf parser results. rules(list): the entire list of rules. """ def __init__(self, limits): rules = [] domains = set([]) self.limits = limits # Store the tuple of domain, type and item against the row of that # limit in our full list of rules. rule_tuples_found = {} rule_number = 0 for limits in sorted(limits, key=lambda f: f.file_path): # The rule dictionary contains the file_path as a key for later. # Make sure that we keep only the last rule for this combination # of domain, type and item, according to for rule in limits.rules: rule_tuple = (rule['domain'], rule['type'], rule['item']) if rule_tuple in rule_tuples_found: row_number = rule_tuples_found[rule_tuple] rules[row_number] = rule else: rules.append(rule) rule_tuples_found[rule_tuple] = rule_number rule_number += 1 # The domains update is much easier :-) domains.update( self.rules = rules = domains super(AllLimitsConf, self).__init__()
[docs] def find_all(self, **kwargs): """ Find all the rules that match the given parameters. We cheat a bit here and combine the results from the find_all() method from the original parsers. Otherwise we'd have to reimplement the _matches method from the LimitsConf class. Examples: >>> data = limits >>> results = data.find_all(domain='nproc') >>> len(results) 1 >>> results[0]['domain'] 'nproc' Parameters: **kwargs(dict): key-value pairs for the search data. Returns: (list): a list of the rules matching the given keywords, as determined by the ``_matches()`` method in the ``LimitsConf`` class. """ return [match for data in self.limits for match in data.find_all(**kwargs)]