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import argparse
import logging
from importlib.machinery import SourceFileLoader
from utils.pdp import *
from utils.models import *
from utils.policies import *
parser = argparse.ArgumentParser()
parser.add_argument('filename', help='scenario filename', nargs=1)
parser.add_argument("--verbose", "-v", action='store_true', help="verbose mode")
args = parser.parse_args()
FORMAT = '%(asctime)-15s %(levelname)s %(message)s'
logging.basicConfig(
format=FORMAT,
level=logging.WARNING)
logger = logging.getLogger(__name__)
if args.filename:
print("Loading: {}".format(args.filename[0]))
m = SourceFileLoader("scenario", args.filename[0])
scenario = m.load_module()
def create_model(model_id=None):
if args.verbose:
logger.warning("Creating model {}".format(scenario.model_name))
if not model_id:
model_id = add_model(name=scenario.model_name)
for cat in scenario.subject_categories:
scenario.subject_categories[cat] = add_subject_category(name=cat)
for cat in scenario.object_categories:
scenario.object_categories[cat] = add_object_category(name=cat)
for cat in scenario.action_categories:
scenario.action_categories[cat] = add_action_category(name=cat)
sub_cat = []
ob_cat = []
act_cat = []
meta_rule_list = []
for item_name, item_value in scenario.meta_rule.items():
for item in item_value["value"]:
if item in scenario.subject_categories:
sub_cat.append(scenario.subject_categories[item])
elif item in scenario.object_categories:
ob_cat.append(scenario.object_categories[item])
elif item in scenario.action_categories:
act_cat.append(scenario.action_categories[item])
meta_rules = check_meta_rule(meta_rule_id=None)
for _meta_rule_id, _meta_rule_value in meta_rules['meta_rules'].items():
if _meta_rule_value['name'] == item_name:
meta_rule_id = _meta_rule_id
break
else:
meta_rule_id = add_meta_rule(item_name, sub_cat, ob_cat, act_cat)
item_value["id"] = meta_rule_id
if meta_rule_id not in meta_rule_list:
meta_rule_list.append(meta_rule_id)
return model_id, meta_rule_list
def create_policy(model_id, meta_rule_list):
if args.verbose:
logger.warning("Creating policy {}".format(scenario.policy_name))
_policies = check_policy()
for _policy_id, _policy_value in _policies["policies"].items():
if _policy_value['name'] == scenario.policy_name:
policy_id = _policy_id
break
else:
policy_id = add_policy(name=scenario.policy_name, genre=scenario.policy_genre)
update_policy(policy_id, model_id)
for meta_rule_id in meta_rule_list:
print("add_meta_rule_to_model {} {}".format(model_id, meta_rule_id))
add_meta_rule_to_model(model_id, meta_rule_id)
for subject_cat_name in scenario.subject_data:
for subject_data_name in scenario.subject_data[subject_cat_name]:
data_id = scenario.subject_data[subject_cat_name][subject_data_name] = add_subject_data(
policy_id=policy_id,
category_id=scenario.subject_categories[subject_cat_name], name=subject_data_name)
scenario.subject_data[subject_cat_name][subject_data_name] = data_id
for object_cat_name in scenario.object_data:
for object_data_name in scenario.object_data[object_cat_name]:
data_id = scenario.object_data[object_cat_name][object_data_name] = add_object_data(
policy_id=policy_id,
category_id=scenario.object_categories[object_cat_name], name=object_data_name)
scenario.object_data[object_cat_name][object_data_name] = data_id
for action_cat_name in scenario.action_data:
for action_data_name in scenario.action_data[action_cat_name]:
data_id = scenario.action_data[action_cat_name][action_data_name] = add_action_data(
policy_id=policy_id,
category_id=scenario.action_categories[action_cat_name], name=action_data_name)
scenario.action_data[action_cat_name][action_data_name] = data_id
for name in scenario.subjects:
scenario.subjects[name] = add_subject(policy_id, name=name)
for name in scenario.objects:
scenario.objects[name] = add_object(policy_id, name=name)
for name in scenario.actions:
scenario.actions[name] = add_action(policy_id, name=name)
for subject_name in scenario.subject_assignments:
if type(scenario.subject_assignments[subject_name]) in (list, tuple):
for items in scenario.subject_assignments[subject_name]:
for subject_category_name in items:
subject_id = scenario.subjects[subject_name]
subject_cat_id = scenario.subject_categories[subject_category_name]
for data in scenario.subject_assignments[subject_name]:
subject_data_id = scenario.subject_data[subject_category_name][data[subject_category_name]]
add_subject_assignments(policy_id, subject_id, subject_cat_id, subject_data_id)
else:
for subject_category_name in scenario.subject_assignments[subject_name]:
subject_id = scenario.subjects[subject_name]
subject_cat_id = scenario.subject_categories[subject_category_name]
subject_data_id = scenario.subject_data[subject_category_name][scenario.subject_assignments[subject_name][subject_category_name]]
add_subject_assignments(policy_id, subject_id, subject_cat_id, subject_data_id)
for object_name in scenario.object_assignments:
if type(scenario.object_assignments[object_name]) in (list, tuple):
for items in scenario.object_assignments[object_name]:
for object_category_name in items:
object_id = scenario.objects[object_name]
object_cat_id = scenario.object_categories[object_category_name]
for data in scenario.object_assignments[object_name]:
object_data_id = scenario.object_data[object_category_name][data[object_category_name]]
add_object_assignments(policy_id, object_id, object_cat_id, object_data_id)
else:
for object_category_name in scenario.object_assignments[object_name]:
object_id = scenario.objects[object_name]
object_cat_id = scenario.object_categories[object_category_name]
object_data_id = scenario.object_data[object_category_name][scenario.object_assignments[object_name][object_category_name]]
add_object_assignments(policy_id, object_id, object_cat_id, object_data_id)
for action_name in scenario.action_assignments:
if type(scenario.action_assignments[action_name]) in (list, tuple):
for items in scenario.action_assignments[action_name]:
for action_category_name in items:
action_id = scenario.actions[action_name]
action_cat_id = scenario.action_categories[action_category_name]
for data in scenario.action_assignments[action_name]:
action_data_id = scenario.action_data[action_category_name][data[action_category_name]]
add_action_assignments(policy_id, action_id, action_cat_id, action_data_id)
else:
for action_category_name in scenario.action_assignments[action_name]:
action_id = scenario.actions[action_name]
action_cat_id = scenario.action_categories[action_category_name]
action_data_id = scenario.action_data[action_category_name][scenario.action_assignments[action_name][action_category_name]]
add_action_assignments(policy_id, action_id, action_cat_id, action_data_id)
for meta_rule_name in scenario.rules:
meta_rule_value = scenario.meta_rule[meta_rule_name]
for rule in scenario.rules[meta_rule_name]:
data_list = []
_meta_rule = list(meta_rule_value["value"])
for data_name in rule["rule"]:
category_name = _meta_rule.pop(0)
if category_name in scenario.subject_categories:
data_list.append(scenario.subject_data[category_name][data_name])
elif category_name in scenario.object_categories:
data_list.append(scenario.object_data[category_name][data_name])
elif category_name in scenario.action_categories:
data_list.append(scenario.action_data[category_name][data_name])
instructions = rule["instructions"]
add_rule(policy_id, meta_rule_value["id"], data_list, instructions)
return policy_id
def create_pdp(policy_id=None):
if args.verbose:
logger.warning("Creating PDP {}".format(scenario.pdp_name))
projects = get_keystone_projects()
admin_project_id = None
for _project in projects['projects']:
if _project['name'] == "admin":
admin_project_id = _project['id']
assert admin_project_id
pdps = check_pdp()["pdps"]
for pdp_id, pdp_value in pdps.items():
if scenario.pdp_name == pdp_value["name"]:
update_pdp(pdp_id, policy_id=policy_id)
logger.info("Found existing PDP named {} (will add policy {})".format(scenario.pdp_name, policy_id))
return pdp_id
_pdp_id = add_pdp(name=scenario.pdp_name, policy_id=policy_id)
map_to_keystone(pdp_id=_pdp_id, keystone_project_id=admin_project_id)
return _pdp_id
if __name__ == "__main__":
_models = check_model()
for _model_id, _model_value in _models['models'].items():
if _model_value['name'] == scenario.model_name:
model_id = _model_id
meta_rule_list = _model_value['meta_rules']
create_model(model_id)
break
else:
model_id, meta_rule_list = create_model()
policy_id = create_policy(model_id, meta_rule_list)
pdp_id = create_pdp(policy_id)
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