2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.xacml.pdp.application.monitoring;
25 import com.att.research.xacml.api.Request;
26 import com.att.research.xacml.api.Response;
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.List;
31 import java.util.Map.Entry;
32 import org.apache.commons.lang3.tuple.Pair;
33 import org.onap.policy.models.decisions.concepts.DecisionRequest;
34 import org.onap.policy.models.decisions.concepts.DecisionResponse;
35 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
36 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
37 import org.onap.policy.pdp.xacml.application.common.std.StdCombinedPolicyResultsTranslator;
38 import org.onap.policy.pdp.xacml.application.common.std.StdXacmlApplicationServiceProvider;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
43 * This is the engine class that manages the instance of the XACML PDP engine.
45 * <p>It is responsible for initializing it and shutting it down properly in a thread-safe manner.
48 * @author pameladragosh
51 public class MonitoringPdpApplication extends StdXacmlApplicationServiceProvider {
52 private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPdpApplication.class);
54 private static final String ONAP_MONITORING_BASE_POLICY_TYPE = "onap.Monitoring";
55 private static final String ONAP_MONITORING_CDAP = "onap.policies.monitoring.cdap.tca.hi.lo.app";
56 private static final String ONAP_MONITORING_APPSERVER =
57 "onap.policies.monitoring.dcaegen2.collectors.datafile.datafile-app-server";
58 private static final String ONAP_MONITORING_SONHANDLER = "onap.policies.monitoring.docker.sonhandler.app";
59 private static final String ONAP_MONITORING_DERIVED_POLICY_TYPE = "onap.policies.monitoring";
60 private static final String VERSION_100 = "1.0.0";
62 private StdCombinedPolicyResultsTranslator translator = new StdCombinedPolicyResultsTranslator();
63 private List<ToscaPolicyTypeIdentifier> supportedPolicyTypes = new ArrayList<>();
68 public MonitoringPdpApplication() {
70 // By default this supports just Monitoring policy types
72 supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(ONAP_MONITORING_BASE_POLICY_TYPE, VERSION_100));
73 supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(ONAP_MONITORING_CDAP, VERSION_100));
74 supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(ONAP_MONITORING_APPSERVER, VERSION_100));
75 supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(ONAP_MONITORING_SONHANDLER, VERSION_100));
79 public String applicationName() {
84 public List<String> actionDecisionsSupported() {
85 return Arrays.asList("configure");
89 public synchronized List<ToscaPolicyTypeIdentifier> supportedPolicyTypes() {
90 return supportedPolicyTypes;
94 public boolean canSupportPolicyType(ToscaPolicyTypeIdentifier policyTypeId) {
96 // For Monitoring, we will attempt to support all versions
97 // of the policy type. Since we are only packaging a decision
98 // back with a JSON payload of the property contents.
100 return (policyTypeId.getName().equals(ONAP_MONITORING_BASE_POLICY_TYPE)
101 || policyTypeId.getName().equals(ONAP_MONITORING_CDAP)
102 || policyTypeId.getName().equals(ONAP_MONITORING_APPSERVER)
103 || policyTypeId.getName().equals(ONAP_MONITORING_SONHANDLER)
104 || policyTypeId.getName().startsWith(ONAP_MONITORING_DERIVED_POLICY_TYPE));
108 public Pair<DecisionResponse, Response> makeDecision(DecisionRequest request,
109 Map<String, String[]> requestQueryParams) {
111 // Convert to a XacmlRequest
113 Request xacmlRequest = this.getTranslator().convertRequest(request);
115 // Now get a decision
117 Response xacmlResponse = this.xacmlDecision(xacmlRequest);
119 // Convert to a DecisionResponse
121 DecisionResponse decisionResponse = this.getTranslator().convertResponse(xacmlResponse);
123 // Abbreviate results if needed
125 if (checkAbbreviateResults(requestQueryParams) && decisionResponse.getPolicies() != null
126 && !decisionResponse.getPolicies().isEmpty()) {
127 LOGGER.info("Abbreviating decision results {}", decisionResponse);
128 for (Entry<String, Object> entry : decisionResponse.getPolicies().entrySet()) {
129 if (entry.getValue() instanceof Map) {
130 @SuppressWarnings("unchecked")
131 Map<String, Object> policy = (Map<String, Object>) entry.getValue();
132 policy.remove("properties");
133 policy.remove("name");
134 policy.remove("version");
138 return Pair.of(decisionResponse, xacmlResponse);
142 protected ToscaPolicyTranslator getTranslator(String type) {
147 * Checks the query parameters to determine whether the decision results should be abbreviated.
149 * @param queryParams - http request query parameters
151 private boolean checkAbbreviateResults(Map<String, String[]> queryParams) {
152 if (queryParams != null && !queryParams.isEmpty()) {
153 // Check if query params contains "abbrev" flag
154 if (queryParams.containsKey("abbrev")) {
155 return Arrays.asList(queryParams.get("abbrev")).contains("true");
157 LOGGER.info("Unsupported query param for Monitoring application: {}", queryParams);
161 LOGGER.info("Query parameters empty");