Support for kafka within xacml tutorial

[policy/xacml-pdp.git] / applications / monitoring / src / main / java / org / onap / policy / xacml / pdp / application / monitoring / MonitoringPdpApplication.java

diff --git a/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplication.java b/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplication.java
index bcdfd98..626c916 100644 (file)
--- a/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplication.java
+++ b/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplication.java
@@ -2,7 +2,8 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2021, 2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,11 +23,15 @@
 
 package org.onap.policy.xacml.pdp.application.monitoring;
 
-import java.util.ArrayList;
+import com.att.research.xacml.api.Response;
 import java.util.Arrays;
 import java.util.List;
-
-import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
+import java.util.Map;
+import java.util.Map.Entry;
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
 import org.onap.policy.pdp.xacml.application.common.std.StdCombinedPolicyResultsTranslator;
 import org.onap.policy.pdp.xacml.application.common.std.StdXacmlApplicationServiceProvider;
@@ -43,48 +48,65 @@ import org.slf4j.LoggerFactory;
  *
  */
 public class MonitoringPdpApplication extends StdXacmlApplicationServiceProvider {
-
     private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPdpApplication.class);
-    private static final String ONAP_MONITORING_BASE_POLICY_TYPE = "onap.Monitoring";
-    private static final String ONAP_MONITORING_DERIVED_POLICY_TYPE = "onap.policies.monitoring";
 
-    private StdCombinedPolicyResultsTranslator translator = new StdCombinedPolicyResultsTranslator();
-    private List<ToscaPolicyTypeIdentifier> supportedPolicyTypes = new ArrayList<>();
+    public static final String ONAP_MONITORING_BASE_POLICY_TYPE = "onap.Monitoring";
+    public static final String ONAP_MONITORING_DERIVED_POLICY_TYPE = "onap.policies.monitoring.";
+
+    public static final String VERSION_100 = "1.0.0";
+
+    private final StdCombinedPolicyResultsTranslator translator = new StdCombinedPolicyResultsTranslator();
 
     /**
      * Constructor.
      */
     public MonitoringPdpApplication() {
+        super();
+
+        applicationName = "monitoring";
+        actions = List.of("configure");
         //
-        // By default this supports just Monitoring policy types
+        // By default, this supports just Monitoring policy types
         //
-        supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(ONAP_MONITORING_BASE_POLICY_TYPE, "1.0.0"));
-    }
-
-    @Override
-    public String applicationName() {
-        return "monitoring";
-    }
-
-    @Override
-    public List<String> actionDecisionsSupported() {
-        return Arrays.asList("configure");
-    }
-
-    @Override
-    public synchronized List<ToscaPolicyTypeIdentifier> supportedPolicyTypes() {
-        return supportedPolicyTypes;
+        supportedPolicyTypes.add(new ToscaConceptIdentifier(ONAP_MONITORING_BASE_POLICY_TYPE, VERSION_100));
     }
 
     @Override
-    public boolean canSupportPolicyType(ToscaPolicyTypeIdentifier policyTypeId) {
+    public boolean canSupportPolicyType(ToscaConceptIdentifier policyTypeId) {
         //
         // For Monitoring, we will attempt to support all versions
         // of the policy type. Since we are only packaging a decision
         // back with a JSON payload of the property contents.
         //
-        return (policyTypeId.getName().equals(ONAP_MONITORING_BASE_POLICY_TYPE)
-                || policyTypeId.getName().startsWith(ONAP_MONITORING_DERIVED_POLICY_TYPE));
+        return policyTypeId.getName().startsWith(ONAP_MONITORING_DERIVED_POLICY_TYPE);
+    }
+
+    @Override
+    public Pair<DecisionResponse, Response> makeDecision(DecisionRequest request,
+            Map<String, String[]> requestQueryParams) {
+        //
+        // Make the decision
+        //
+        Pair<DecisionResponse, Response> decisionPair = super.makeDecision(request, requestQueryParams);
+        var decisionResponse = decisionPair.getKey();
+        //
+        // Abbreviate results if needed
+        //
+        if (checkAbbreviateResults(requestQueryParams) && decisionResponse.getPolicies() != null) {
+            LOGGER.info("Abbreviating decision results {}", decisionResponse);
+            for (Entry<String, Object> entry : decisionResponse.getPolicies().entrySet()) {
+                //
+                // DecisionResponse policies will always be a map
+                //
+                @SuppressWarnings("unchecked")
+                Map<String, Object> policy = (Map<String, Object>) entry.getValue();
+                policy.remove("type_version");
+                policy.remove("properties");
+                policy.remove("name");
+                policy.remove("version");
+            }
+        }
+        return decisionPair;
     }
 
     @Override
@@ -92,4 +114,22 @@ public class MonitoringPdpApplication extends StdXacmlApplicationServiceProvider
         return translator;
     }
 
+    /**
+     * Checks the query parameters to determine whether the decision results should be abbreviated.
+     *
+     * @param queryParams - http request query parameters
+     */
+    protected boolean checkAbbreviateResults(Map<String, String[]> queryParams) {
+        if (queryParams != null && !queryParams.isEmpty()) {
+            // Check if query params contains "abbrev" flag
+            if (queryParams.containsKey("abbrev")) {
+                return Arrays.asList(queryParams.get("abbrev")).contains("true");
+            } else {
+                LOGGER.info("Unsupported query param for Monitoring application: {}", queryParams);
+                return false;
+            }
+        }
+        LOGGER.info("Query parameters empty");
+        return false;
+    }
 }