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# Copyright 2015 Open Platform for NFV Project, Inc. and its contributors
# This software is distributed under the terms and conditions of the 'Apache-2.0'
# license which can be found in the file 'LICENSE' in this package distribution
# or at 'http://www.apache.org/licenses/LICENSE-2.0'.
import os
import json
import logging
import hashlib
from glob import glob
from oslo_config import cfg
from moon_db.core import ConfigurationDriver
LOG = logging.getLogger("moon.db.driver.memory")
CONF = cfg.CONF
class ConfigurationConnector(object):
def __init__(self, engine):
super(ConfigurationConnector, self).__init__()
self.policy_directory = CONF.policy_directory
self.aggregation_algorithms_dict = dict()
self.aggregation_algorithms_dict[hashlib.sha224("all_true".encode("utf-8")).hexdigest()[:32]] = \
{'name': 'all_true', 'description': 'all rules must match'}
self.aggregation_algorithms_dict[hashlib.sha224("one_true".encode("utf-8")).hexdigest()[:32]] = \
{'name': 'one_true', 'description': 'only one rule has to match'}
self.sub_meta_rule_algorithms_dict = dict()
self.sub_meta_rule_algorithms_dict[hashlib.sha224("inclusion".encode("utf-8")).hexdigest()[:32]] = \
{'name': 'inclusion', 'description': 'inclusion'}
self.sub_meta_rule_algorithms_dict[hashlib.sha224("comparison".encode("utf-8")).hexdigest()[:32]] = \
{'name': 'comparison', 'description': 'comparison'}
def get_policy_templates_dict(self):
"""
:return: {
template_id1: {name: template_name, description: template_description},
template_id2: {name: template_name, description: template_description},
...
}
"""
nodes = glob(os.path.join(self.policy_directory, "*"))
LOG.info("get_policy_templates_dict {} {}".format(self.policy_directory, nodes))
templates = dict()
for node in nodes:
try:
metadata = json.load(open(os.path.join(node, "metadata.json")))
except IOError:
# Note (asteroide): it's not a true policy directory, so we forgive it
continue
templates[os.path.basename(node)] = dict()
templates[os.path.basename(node)]["name"] = metadata["name"]
templates[os.path.basename(node)]["description"] = metadata["description"]
return templates
def get_aggregation_algorithms_dict(self):
return self.aggregation_algorithms_dict
def get_sub_meta_rule_algorithms_dict(self):
return self.sub_meta_rule_algorithms_dict
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