Functest scripts, simulators, and payloads
[optf/osdf.git] / osdf / adapters / policy / utils.py
index 27885a5..2f873af 100644 (file)
 #
 # -------------------------------------------------------------------------
 #
+import copy
+import json
 
 from collections import defaultdict
+import itertools
+from osdf.utils.programming_utils import dot_notation, list_flatten
 
 
-def group_policies(flat_policies):
+def group_policies_gen(flat_policies, config):
     """Filter policies using the following steps:
     1. Apply prioritization among the policies that are sharing the same policy type and resource type
     2. Remove redundant policies that may applicable across different types of resource
@@ -27,29 +31,31 @@ def group_policies(flat_policies):
     :param flat_policies: list of flat policies
     :return: Filtered policies
     """
-    aggregated_policies = {}
-    filter_policies = defaultdict(list)
+    filtered_policies = defaultdict(list)
     policy_name = []
-    for policy in flat_policies:
-        policy_type = policy['content'].get('policyType')
-        if not policy_type:
-            continue
-        if policy_type not in aggregated_policies:
-            aggregated_policies[policy_type] = defaultdict(list)
-        for resource in policy['content'].get('resourceInstanceType', []):
-            aggregated_policies[policy_type][resource].append(policy)
-    for policy_type in aggregated_policies:
-        for resource in aggregated_policies[policy_type]:
-            if len(aggregated_policies[policy_type][resource]) > 0:
-                aggregated_policies[policy_type][resource].sort(key=lambda x: x['priority'], reverse=True)
-                policy = aggregated_policies[policy_type][resource][0]
-                if policy['policyName'] not in policy_name:
-                    filter_policies[policy['content']['policyType']].append(policy)
-                    policy_name.append(policy['policyName'])
-    return filter_policies
-
-
-def _regex_policy_name(policy_name):
+    policies = [x for x in flat_policies if x['content'].get('policyType')]  # drop ones without 'policy_type'
+    priority = config.get('policy_info', {}).get('prioritization_attributes', {})
+    aggregated_policies = dict()
+    for plc in policies:
+        attrs = [dot_notation(plc, dot_path) for key in priority.keys() for dot_path in priority[key]]
+        attrs_list  = [x if isinstance(x, list) else [x] for x in attrs]
+        attributes = [list_flatten(x) if isinstance(x, list) else x for x in attrs_list]
+        for y in itertools.product(*attributes):
+            aggregated_policies.setdefault(y, [])
+            aggregated_policies[y].append(plc)
+
+    for key in aggregated_policies.keys():
+        aggregated_policies[key].sort(key=lambda x: x['priority'], reverse=True)
+        prioritized_policy = aggregated_policies[key][0]
+        if prioritized_policy['policyName'] not in policy_name:
+            # TODO: Check logic here... should policy appear only once across all groups?
+            filtered_policies[prioritized_policy['content']['policyType']].append(prioritized_policy)
+            policy_name.append(prioritized_policy['policyName'])
+
+    return filtered_policies
+
+
+def policy_name_as_regex(policy_name):
     """Get the correct policy name as a regex
     (e.g. OOF_HAS_vCPE.cloudAttributePolicy ends up in policy as OOF_HAS_vCPE.Config_MS_cloudAttributePolicy.1.xml
     So, for now, we query it as OOF_HAS_vCPE..*aicAttributePolicy.*)
@@ -58,3 +64,14 @@ def _regex_policy_name(policy_name):
     """
     p = policy_name.partition('.')
     return p[0] + p[1] + ".*" + p[2] + ".*"
+
+
+def retrieve_node(req_json, reference):
+    """
+    Get the child node(s) from the dot-notation [reference] and parent [req_json].
+    For placement and other requests, there are encoded JSONs inside the request or policy,
+    so we need to expand it and then do a search over the parent plus expanded JSON.
+    """
+    req_json_copy = copy.deepcopy(req_json)
+    info = dot_notation(req_json_copy, reference)
+    return list_flatten(info) if isinstance(info, list) else info