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# ============LICENSE_START=======================================================
# org.onap.dcae
# ================================================================================
# Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
import sys
import json
import re
import logging
from datetime import datetime
# import pytest
from policyhandler.config import Config
from policyhandler.policy_handler import LogWriter
from policyhandler.onap.audit import Audit
from policyhandler.policy_rest import PolicyRest, PolicyUtils
from policyhandler.policy_consts import POLICY_ID, POLICY_VERSION, POLICY_NAME, \
POLICY_BODY, POLICY_CONFIG
class Settings(object):
"""init all locals"""
logger = None
RUN_TS = datetime.utcnow().isoformat()[:-3] + 'Z'
@staticmethod
def init():
"""init locals"""
Config.load_from_file()
Config.load_from_file("etc_upload/config.json")
Settings.logger = logging.getLogger("policy_handler")
sys.stdout = LogWriter(Settings.logger.info)
sys.stderr = LogWriter(Settings.logger.error)
Settings.logger.info("========== run_policy_handler ==========")
Audit.init(Config.get_system_name(), Config.LOGGER_CONFIG_FILE_PATH)
Settings.logger.info("starting policy_handler with config:")
Settings.logger.info(Audit.log_json_dumps(Config.config))
PolicyRest._lazy_init()
Settings.init()
class MonkeyPolicyBody(object):
"""policy body that policy-engine returns"""
@staticmethod
def create_policy_body(policy_id, policy_version=1):
"""returns a fake policy-body"""
prev_ver = str(policy_version - 1)
this_ver = str(policy_version)
config = {
"policy_updated_from_ver": prev_ver,
"policy_updated_to_ver": this_ver,
"policy_hello": "world!",
"policy_updated_ts": Settings.RUN_TS,
"updated_policy_id": policy_id
}
return {
"policyConfigMessage": "Config Retrieved! ",
"policyConfigStatus": "CONFIG_RETRIEVED",
"type": "JSON",
POLICY_NAME: "{0}.{1}.xml".format(policy_id, this_ver),
POLICY_VERSION: this_ver,
POLICY_CONFIG: json.dumps(config),
"matchingConditions": {
"ECOMPName": "DCAE",
"ConfigName": "alex_config_name"
},
"responseAttributes": {},
"property": None
}
@staticmethod
def is_the_same_dict(policy_body_1, policy_body_2):
"""check whether both policy_body objects are the same"""
if not isinstance(policy_body_1, dict) or not isinstance(policy_body_2, dict):
return False
for key in policy_body_1.keys():
if key not in policy_body_2:
return False
if isinstance(policy_body_1[key], dict):
return MonkeyPolicyBody.is_the_same_dict(
policy_body_1[key], policy_body_2[key])
if (policy_body_1[key] is None and policy_body_2[key] is not None) \
or (policy_body_1[key] is not None and policy_body_2[key] is None) \
or (policy_body_1[key] != policy_body_2[key]):
return False
return True
class MonkeyPolicyEngine(object):
"""pretend this is the policy-engine"""
_scope_prefix = Config.config["scope_prefixes"][0]
LOREM_IPSUM = """Lorem ipsum dolor sit amet consectetur""".split()
_policies = []
@staticmethod
def init():
"""init static vars"""
MonkeyPolicyEngine._policies = [
MonkeyPolicyBody.create_policy_body(
MonkeyPolicyEngine._scope_prefix + policy_id, policy_version)
for policy_id in MonkeyPolicyEngine.LOREM_IPSUM
for policy_version in range(1, 1 + MonkeyPolicyEngine.LOREM_IPSUM.index(policy_id))]
@staticmethod
def get_config(policy_name):
"""find policy the way the policy-engine finds"""
if not policy_name:
return []
if policy_name[-2:] == ".*":
policy_name = policy_name[:-2]
return [policy for policy in MonkeyPolicyEngine._policies
if re.match(policy_name, policy[POLICY_NAME])]
@staticmethod
def get_policy_id(policy_index):
"""get the policy_id by index"""
return MonkeyPolicyEngine._scope_prefix \
+ MonkeyPolicyEngine.LOREM_IPSUM[policy_index % len(MonkeyPolicyEngine.LOREM_IPSUM)]
MonkeyPolicyEngine.init()
class MonkeyHttpResponse(object):
"""Monkey http reposne"""
def __init__(self, headers):
self.headers = headers or {}
class MonkeyedResponse(object):
"""Monkey response"""
def __init__(self, full_path, json_body, headers):
self.full_path = full_path
self.req_json = json_body or {}
self.status_code = 200
self.request = MonkeyHttpResponse(headers)
self.req_policy_name = self.req_json.get(POLICY_NAME)
self.res = MonkeyPolicyEngine.get_config(self.req_policy_name)
self.text = json.dumps(self.res)
def json(self):
"""returns json of response"""
return self.res
def monkeyed_policy_rest_post(full_path, json={}, headers={}):
"""monkeypatch for the POST to policy-engine"""
return MonkeyedResponse(full_path, json, headers)
def test_get_policy_latest(monkeypatch):
"""test /policy_latest/<policy-id>"""
monkeypatch.setattr('policyhandler.policy_rest.PolicyRest._requests_session.post', \
monkeyed_policy_rest_post)
policy_index = 3
policy_id = MonkeyPolicyEngine.get_policy_id(policy_index)
expected_policy = {
POLICY_ID : policy_id,
POLICY_BODY : MonkeyPolicyBody.create_policy_body(policy_id, policy_index)
}
expected_policy = PolicyUtils.parse_policy_config(expected_policy)
audit = Audit(req_message="get /policy_latest/{0}".format(policy_id or ""))
policy_latest = PolicyRest.get_latest_policy((audit, policy_id)) or {}
audit.audit_done(result=json.dumps(policy_latest))
Settings.logger.info("expected_policy: {0}".format(json.dumps(expected_policy)))
Settings.logger.info("policy_latest: {0}".format(json.dumps(policy_latest)))
assert MonkeyPolicyBody.is_the_same_dict(policy_latest, expected_policy)
assert MonkeyPolicyBody.is_the_same_dict(expected_policy, policy_latest)
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