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;
32 import java.util.ArrayList;
33 import java.util.List;
35 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);
57 * Default constructor.
59 public PolicyComponent() {
61 * We assume it's good by default as we will receive the state for each policy
62 * on by one, each time we increase the level we can't decrease it anymore.
63 * That's why it starts with the lowest one SENT_AND_DEPLOYED.
69 public String getComponentName() {
74 * Generates the Json that must be sent to policy to add all policies to Active
77 * @return The json, payload to send
79 public static String createPoliciesPayloadPdpGroup(Loop loop) {
80 JsonObject jsonObject = new JsonObject();
81 JsonArray jsonArray = new JsonArray();
82 jsonObject.add("policies", jsonArray);
84 for (String policyName : PolicyComponent.listPolicyNamesPdpGroup(loop)) {
85 JsonObject policyNode = new JsonObject();
86 jsonArray.add(policyNode);
87 policyNode.addProperty("policy-id", policyName);
89 String payload = new GsonBuilder().setPrettyPrinting().create().toJson(jsonObject);
90 logger.info("PdpGroup policy payload: " + payload);
91 return new GsonBuilder().setPrettyPrinting().create().toJson(jsonObject);
95 * Generates the list of policy names that must be send/remove to/from active
98 * @return A list of policy names
100 public static List<String> listPolicyNamesPdpGroup(Loop loop) {
101 List<String> policyNamesList = new ArrayList<>();
102 for (OperationalPolicy opPolicy : loop.getOperationalPolicies()) {
103 policyNamesList.add(opPolicy.getName());
104 for (String guardName : opPolicy.createGuardPolicyPayloads().keySet()) {
105 policyNamesList.add(guardName);
108 for (MicroServicePolicy microServicePolicy : loop.getMicroServicePolicies()) {
109 policyNamesList.add(microServicePolicy.getName());
111 return policyNamesList;
114 private static ExternalComponentState findNewState(boolean found, boolean deployed) {
116 ExternalComponentState newState = NOT_SENT;
117 if (found && deployed) {
118 newState = SENT_AND_DEPLOYED;
121 } else if (deployed) {
127 private static ExternalComponentState mergeStates(ExternalComponentState oldState,
128 ExternalComponentState newState) {
129 return (oldState.compareTo(newState) < 0) ? newState : oldState;
133 * This is a method that expect the results of the queries getPolicy and
134 * getPolicyDeployed for a unique policy (op,guard, config, etc ...). It
135 * re-computes the global policy state for each policy results given. Therefore
136 * this method is called multiple times from the camel route and must be reset
137 * for a new global policy state retrieval. The state to compute the global
138 * policy state is stored in this class.
142 public ExternalComponentState computeState(Exchange camelExchange) {
143 this.setState(mergeStates(this.getState(),
144 findNewState((boolean) camelExchange.getIn().getExchange().getProperty("policyFound"),
145 (boolean) camelExchange.getIn().getExchange().getProperty("policyDeployed"))));
146 return this.getState();