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import copy
import logging
import threading
import requests
import time
import json
import random
from uuid import uuid4
HOST_MANAGER = None
PORT_MANAGER = None
HOST_KEYSTONE = None
PORT_KEYSTONE = None
lock = threading.Lock()
logger = logging.getLogger(__name__)
def _construct_payload(creds, current_rule, enforcer, target):
# Convert instances of object() in target temporarily to
# empty dict to avoid circular reference detection
# errors in jsonutils.dumps().
temp_target = copy.deepcopy(target)
for key in target.keys():
element = target.get(key)
if type(element) is object:
temp_target[key] = {}
_data = _json = None
if enforcer:
_data = {'rule': json.dumps(current_rule),
'target': json.dumps(temp_target),
'credentials': json.dumps(creds)}
else:
_json = {'rule': current_rule,
'target': temp_target,
'credentials': creds}
return _data, _json
def _send(url, data=None, stress_test=False):
current_request = dict()
current_request['url'] = url
try:
if stress_test:
current_request['start'] = time.time()
# with lock:
res = requests.get(url)
current_request['end'] = time.time()
current_request['delta'] = current_request["end"] - current_request["start"]
else:
with lock:
current_request['start'] = time.time()
if data:
data, _ = _construct_payload(data['credentials'], data['rule'], True, data['target'])
res = requests.post(url, json=data,
headers={'content-type': "application/x-www-form-urlencode"}
)
else:
res = requests.get(url)
current_request['end'] = time.time()
current_request['delta'] = current_request["end"] - current_request["start"]
except requests.exceptions.ConnectionError:
logger.warning("Unable to connect to server")
return {}
if not stress_test:
try:
j = res.json()
if res.status_code == 200:
logger.warning("\033[1m{}\033[m \033[32mGrant\033[m".format(url))
elif res.status_code == 401:
logger.warning("\033[1m{}\033[m \033[31mDeny\033[m".format(url))
else:
logger.error("\033[1m{}\033[m {} {}".format(url, res.status_code, res.text))
except Exception as e:
if res.text == "True":
logger.warning("\033[1m{}\033[m \033[32mGrant\033[m".format(url))
elif res.text == "False":
logger.warning("\033[1m{}\033[m \033[31mDeny\033[m".format(url))
else:
logger.error("\033[1m{}\033[m {} {}".format(url, res.status_code, res.text))
logger.exception(e)
logger.error(res.text)
else:
if j.get("result"):
# logger.warning("{} \033[32m{}\033[m".format(url, j.get("result")))
logger.debug("{}".format(j.get("error", "")))
current_request['result'] = "Grant"
else:
# logger.warning("{} \033[31m{}\033[m".format(url, "Deny"))
logger.debug("{}".format(j))
current_request['result'] = "Deny"
return current_request
class AsyncGet(threading.Thread):
def __init__(self, url, semaphore=None, **kwargs):
threading.Thread.__init__(self)
self.url = url
self.kwargs = kwargs
self.sema = semaphore
self.result = dict()
self.uuid = uuid4().hex
self.index = kwargs.get("index", 0)
def run(self):
self.result = _send(self.url,
data=self.kwargs.get("data"),
stress_test=self.kwargs.get("stress_test", False))
self.result['index'] = self.index
def send_requests(scenario, authz_host, authz_port, keystone_project_id, request_second=1, limit=500,
dry_run=None, stress_test=False, destination="wrapper"):
backgrounds = []
time_data = list()
start_timing = time.time()
request_cpt = 0
SUBJECTS = tuple(scenario.subjects.keys())
OBJECTS = tuple(scenario.objects.keys())
ACTIONS = tuple(scenario.actions.keys())
while request_cpt < limit:
rule = (random.choice(SUBJECTS), random.choice(OBJECTS), random.choice(ACTIONS))
if destination.lower() == "wrapper":
url = "http://{}:{}/authz".format(authz_host, authz_port)
data = {
'target': {
"user_id": random.choice(SUBJECTS),
"target": {
"name": random.choice(OBJECTS)
},
"project_id": keystone_project_id
},
'credentials': None,
'rule': random.choice(ACTIONS)
}
else:
url = "http://{}:{}/authz/{}/{}".format(authz_host, authz_port, keystone_project_id, "/".join(rule))
data = None
if dry_run:
logger.info(url)
continue
request_cpt += 1
if stress_test:
time_data.append(copy.deepcopy(_send(url, stress_test=stress_test)))
else:
background = AsyncGet(url, stress_test=stress_test, data=data,
index=request_cpt)
backgrounds.append(background)
background.start()
if request_second > 0:
if request_cpt % request_second == 0:
if time.time()-start_timing < 1:
while True:
if time.time()-start_timing > 1:
break
start_timing = time.time()
if not stress_test:
for background in backgrounds:
background.join()
if background.result:
time_data.append(copy.deepcopy(background.result))
return time_data
def save_data(filename, time_data):
json.dump(time_data, open(filename, "w"))
def get_delta(time_data):
time_delta = list()
time_delta_sum1 = 0
for item in time_data:
time_delta.append(item['delta'])
time_delta_sum1 += item['delta']
time_delta_average1 = time_delta_sum1 / len(time_data)
return time_delta, time_delta_average1
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