2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END============================================
20 * ===================================================================
24 package org.onap.clamp.loop.components.external;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
28 import com.google.gson.GsonBuilder;
29 import com.google.gson.JsonArray;
30 import com.google.gson.JsonObject;
31 import java.util.HashMap;
32 import java.util.LinkedList;
33 import java.util.List;
35 import java.util.Map.Entry;
36 import javax.persistence.Transient;
37 import org.apache.camel.Exchange;
38 import org.onap.clamp.loop.Loop;
39 import org.onap.clamp.policy.microservice.MicroServicePolicy;
40 import org.onap.clamp.policy.operational.OperationalPolicy;
42 public class PolicyComponent extends ExternalComponent {
45 private static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyComponent.class);
47 public static final ExternalComponentState IN_ERROR = new ExternalComponentState("IN_ERROR",
48 "There was an error during the sending to policy, the policy engine may be corrupted or inconsistent", 100);
49 public static final ExternalComponentState NOT_SENT = new ExternalComponentState("NOT_SENT",
50 "The policies defined have NOT yet been created on the policy engine", 90);
51 public static final ExternalComponentState SENT = new ExternalComponentState("SENT",
52 "The policies defined have been created but NOT deployed on the policy engine", 50);
53 public static final ExternalComponentState SENT_AND_DEPLOYED = new ExternalComponentState("SENT_AND_DEPLOYED",
54 "The policies defined have been created and deployed on the policy engine", 10);
55 public static final ExternalComponentState UNKNOWN = new ExternalComponentState("UNKNOWN",
56 "The current status is not clear. Need to refresh the status to get the current status.", 0);
59 * Default constructor.
61 public PolicyComponent() {
63 * We assume it's good by default as we will receive the state for each policy
64 * on by one, each time we increase the level we can't decrease it anymore.
65 * That's why it starts with the lowest one SENT_AND_DEPLOYED.
71 public String getComponentName() {
76 * Generates the Json that must be sent to policy to add all policies to Active
78 * @param loop the loop object
79 * @param action POST (to add policy to group) or DELETE (to delete policy from group)
80 * @return The json, payload to send
82 public static String createPoliciesPayloadPdpGroup(Loop loop, String action) {
83 Map<String, Map<String, List<JsonObject>>> pdpGroupMap = new HashMap<>();
84 for (OperationalPolicy opPolicy : loop.getOperationalPolicies()) {
85 updatePdpGroupMap(opPolicy.getPdpGroup(), opPolicy.getPdpSubgroup(),
87 "1.0.0", pdpGroupMap);
88 if (opPolicy.isLegacy()) {
89 for (String guardName:opPolicy.createGuardPolicyPayloads().keySet()) {
90 updatePdpGroupMap(opPolicy.getPdpGroup(), opPolicy.getPdpSubgroup(),
92 "1.0.0", pdpGroupMap);
97 for (MicroServicePolicy msPolicy : loop.getMicroServicePolicies()) {
98 updatePdpGroupMap(msPolicy.getPdpGroup(), msPolicy.getPdpSubgroup(),
100 "1.0.0", pdpGroupMap);
103 String payload = new GsonBuilder().setPrettyPrinting().create()
104 .toJson(generateActivatePdpGroupPayload(pdpGroupMap, action));
105 logger.info("PdpGroup policy payload: " + payload);
109 private static void updatePdpGroupMap(String pdpGroup,
112 String policyVersion,
113 Map<String, Map<String,
114 List<JsonObject>>> pdpGroupMap) {
115 JsonObject policyJson = new JsonObject();
116 policyJson.addProperty("name", policyName);
117 policyJson.addProperty("version", policyVersion);
118 Map<String, List<JsonObject>> pdpSubGroupMap;
119 List<JsonObject> policyList;
120 if (pdpGroupMap.get(pdpGroup) == null) {
121 pdpSubGroupMap = new HashMap<>();
122 policyList = new LinkedList<>();
125 pdpSubGroupMap = pdpGroupMap.get(pdpGroup);
126 if (pdpSubGroupMap.get(pdpSubGroup) == null) {
127 policyList = new LinkedList<>();
130 policyList = (List<JsonObject>) pdpSubGroupMap.get(pdpSubGroup);
133 policyList.add(policyJson);
134 pdpSubGroupMap.put(pdpSubGroup, policyList);
135 pdpGroupMap.put(pdpGroup, pdpSubGroupMap);
138 private static JsonObject generateActivatePdpGroupPayload(
139 Map<String, Map<String, List<JsonObject>>> pdpGroupMap, String action) {
140 JsonArray payloadArray = new JsonArray();
141 for (Entry<String, Map<String, List<JsonObject>>> pdpGroupInfo : pdpGroupMap.entrySet()) {
142 JsonObject pdpGroupNode = new JsonObject();
143 JsonArray subPdpArray = new JsonArray();
144 pdpGroupNode.addProperty("name", pdpGroupInfo.getKey());
145 pdpGroupNode.add("deploymentSubgroups", subPdpArray);
147 for (Entry<String, List<JsonObject>> pdpSubGroupInfo : pdpGroupInfo.getValue().entrySet()) {
148 JsonObject pdpSubGroupNode = new JsonObject();
149 subPdpArray.add(pdpSubGroupNode);
150 pdpSubGroupNode.addProperty("pdpType", pdpSubGroupInfo.getKey());
151 pdpSubGroupNode.addProperty("action", action);
153 JsonArray policyArray = new JsonArray();
154 pdpSubGroupNode.add("policies", policyArray);
156 for (JsonObject policy : pdpSubGroupInfo.getValue()) {
157 policyArray.add(policy);
160 payloadArray.add(pdpGroupNode);
162 JsonObject jsonObject = new JsonObject();
163 jsonObject.add("groups", payloadArray);
167 private static ExternalComponentState findNewState(boolean found, boolean deployed) {
169 ExternalComponentState newState = NOT_SENT;
170 if (found && deployed) {
171 newState = SENT_AND_DEPLOYED;
182 private static ExternalComponentState mergeStates(ExternalComponentState oldState,
183 ExternalComponentState newState) {
184 return (oldState.compareTo(newState) < 0) ? newState : oldState;
188 * This is a method that expect the results of the queries getPolicy and
189 * getPolicyDeployed for a unique policy (op,guard, config, etc ...). It
190 * re-computes the global policy state for each policy results given. Therefore
191 * this method is called multiple times from the camel route and must be reset
192 * for a new global policy state retrieval. The state to compute the global
193 * policy state is stored in this class.
196 public ExternalComponentState computeState(Exchange camelExchange) {
197 this.setState(mergeStates(this.getState(),
198 findNewState((boolean) camelExchange.getIn().getExchange().getProperty("policyFound"),
199 (boolean) camelExchange.getIn().getExchange().getProperty("policyDeployed"))));
200 return this.getState();