2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020 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.
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.controlloop.actor.guard;
24 import java.util.UUID;
25 import java.util.concurrent.CompletableFuture;
26 import javax.ws.rs.client.Entity;
27 import javax.ws.rs.core.MediaType;
28 import javax.ws.rs.core.Response;
29 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
30 import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
31 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
32 import org.onap.policy.controlloop.actorserviceprovider.Util;
33 import org.onap.policy.controlloop.actorserviceprovider.impl.HttpOperation;
34 import org.onap.policy.controlloop.actorserviceprovider.impl.OperationPartial;
35 import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
36 import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpConfig;
37 import org.onap.policy.controlloop.policy.PolicyResult;
38 import org.onap.policy.models.decisions.concepts.DecisionRequest;
39 import org.onap.policy.models.decisions.concepts.DecisionResponse;
42 * Guard Operation. The outcome message is set to the guard response. If the guard is
43 * permitted or indeterminate, then the outcome is set to SUCCESS.
45 * The input to the request is taken from the payload, where properties are mapped to the
46 * field names in the {@link DecisionRequest} object. Properties whose names begin with
47 * "resource." are placed into the "resource" field of the {@link DecisionRequest}. The
48 * following will be provided, if not specified in the payload:
56 public class GuardOperation extends HttpOperation<DecisionResponse> {
59 public static final String NAME = OperationPartial.GUARD_OPERATION_NAME;
61 public static final String PERMIT = "Permit";
62 public static final String DENY = "Deny";
63 public static final String INDETERMINATE = "Indeterminate";
66 * Prefix for properties in the payload that should be copied to the "resource" field
69 public static final String RESOURCE_PREFIX = "resource.";
71 private final GuardConfig config;
75 * Constructs the object.
77 * @param params operation parameters
78 * @param config configuration for this operation
80 public GuardOperation(ControlLoopOperationParams params, HttpConfig config) {
81 super(params, config, DecisionResponse.class);
82 this.config = (GuardConfig) config;
86 protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
88 DecisionRequest request = Util.translate(getName(), makeRequest(), DecisionRequest.class);
90 Entity<DecisionRequest> entity = Entity.entity(request, MediaType.APPLICATION_JSON);
92 Map<String, Object> headers = makeHeaders();
94 headers.put("Accept", MediaType.APPLICATION_JSON);
95 String url = makeUrl();
97 logMessage(EventType.OUT, CommInfrastructure.REST, url, request);
100 return handleResponse(outcome, url,
101 callback -> getClient().post(callback, makePath(), entity, headers));
106 * Makes a request from the payload.
108 * @return a new request map
110 protected Map<String, Object> makeRequest() {
111 if (params.getPayload() == null) {
112 throw new IllegalArgumentException("missing payload");
115 Map<String, Object> req = config.makeRequest();
116 req.putAll(params.getPayload());
117 req.computeIfAbsent("requestId", key -> UUID.randomUUID().toString());
123 protected CompletableFuture<OperationOutcome> postProcessResponse(OperationOutcome outcome, String url,
124 Response rawResponse, DecisionResponse response) {
126 // determine the result
127 String status = response.getStatus();
128 if (status == null) {
129 outcome.setResult(PolicyResult.FAILURE);
130 outcome.setMessage("response contains no status");
131 return CompletableFuture.completedFuture(outcome);
134 if (PERMIT.equalsIgnoreCase(status) || INDETERMINATE.equalsIgnoreCase(status)) {
135 outcome.setResult(PolicyResult.SUCCESS);
137 outcome.setResult(PolicyResult.FAILURE);
141 outcome.setMessage(response.getStatus());
143 return CompletableFuture.completedFuture(outcome);