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.so;
24 import java.net.http.HttpRequest;
25 import java.net.http.HttpRequest.BodyPublishers;
26 import java.net.http.HttpRequest.Builder;
27 import java.net.http.HttpResponse;
28 import java.net.http.HttpResponse.BodyHandlers;
29 import java.nio.charset.StandardCharsets;
30 import java.util.Base64;
31 import java.util.List;
33 import java.util.Map.Entry;
34 import java.util.concurrent.CompletableFuture;
35 import javax.ws.rs.client.InvocationCallback;
36 import javax.ws.rs.core.MediaType;
37 import javax.ws.rs.core.Response;
38 import org.apache.commons.lang3.StringUtils;
39 import org.apache.commons.lang3.tuple.Pair;
40 import org.onap.aai.domain.yang.CloudRegion;
41 import org.onap.aai.domain.yang.GenericVnf;
42 import org.onap.aai.domain.yang.ServiceInstance;
43 import org.onap.aai.domain.yang.Tenant;
44 import org.onap.policy.aai.AaiConstants;
45 import org.onap.policy.aai.AaiCqResponse;
46 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
47 import org.onap.policy.common.endpoints.http.client.HttpClient;
48 import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
49 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
50 import org.onap.policy.controlloop.actorserviceprovider.OperationProperties;
51 import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
52 import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpPollingConfig;
53 import org.onap.policy.controlloop.actorserviceprovider.pipeline.PipelineControllerFuture;
54 import org.onap.policy.so.SoModelInfo;
55 import org.onap.policy.so.SoOperationType;
56 import org.onap.policy.so.SoRequest;
57 import org.onap.policy.so.SoRequestDetails;
58 import org.onap.policy.so.SoResponse;
61 * Operation to delete a VF Module. This gets the VF count from the A&AI Custom Query
62 * response and stores it in the context. It also passes the count-1 to the guard. Once
63 * the "delete" completes successfully, it decrements the VF count that's stored in the
66 public class VfModuleDelete extends SoOperation {
67 public static final String NAME = "VF Module Delete";
69 private static final String PATH_PREFIX = "/";
72 private static final List<String> PROPERTY_NAMES = List.of(
73 OperationProperties.AAI_MODEL_SERVICE,
74 OperationProperties.AAI_MODEL_VNF,
75 OperationProperties.AAI_MODEL_CLOUD_REGION,
76 OperationProperties.AAI_MODEL_TENANT,
77 OperationProperties.DATA_VF_COUNT);
81 * Constructs the object.
83 * @param params operation parameters
84 * @param config configuration for this operation
86 public VfModuleDelete(ControlLoopOperationParams params, HttpPollingConfig config) {
87 super(params, config, PROPERTY_NAMES);
89 // ensure we have the necessary parameters
94 * Ensures that A&AI custom query has been performed, and then runs the guard.
97 @SuppressWarnings("unchecked")
98 protected CompletableFuture<OperationOutcome> startPreprocessorAsync() {
101 ControlLoopOperationParams cqParams = params.toBuilder().actor(AaiConstants.ACTOR_NAME)
102 .operation(AaiCqResponse.OPERATION).payload(null).retry(null).timeoutSec(null).build();
104 // run Custom Query, extract the VF count, and then run the Guard
107 return sequence(() -> params.getContext().obtain(AaiCqResponse.CONTEXT_KEY, cqParams),
108 this::obtainVfCount, this::startGuardAsync);
113 protected Map<String, Object> makeGuardPayload() {
114 Map<String, Object> payload = super.makeGuardPayload();
116 // run guard with the proposed vf count
117 payload.put(PAYLOAD_KEY_VF_COUNT, getVfCount() - 1);
123 protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
125 // starting a whole new attempt - reset the count
128 Pair<String, SoRequest> pair = makeRequest();
129 SoRequest request = pair.getRight();
130 String url = getPath() + pair.getLeft();
132 String strRequest = prettyPrint(request);
133 logMessage(EventType.OUT, CommInfrastructure.REST, url, strRequest);
135 Map<String, Object> headers = createSimpleHeaders();
138 return handleResponse(outcome, url,
139 callback -> delete(url, headers, MediaType.APPLICATION_JSON, strRequest, callback));
144 * Issues an HTTP "DELETE" request, containing a request body, using the java built-in
145 * HttpClient, as the JerseyClient does not support it. This will add the content-type
146 * and authorization headers, so they should not be included within "headers".
148 * @param uri URI suffix, to be appended to the URI prefix
149 * @param headers headers to be included
150 * @param contentType content type of the request
151 * @param request request to be posted
152 * @param callback response callbacks
153 * @return a future to await the response. Note: it's untested whether canceling this
154 * future will actually cancel the underlying HTTP request
156 protected CompletableFuture<Response> delete(String uri, Map<String, Object> headers, String contentType,
157 String request, InvocationCallback<Response> callback) {
158 // TODO move to HttpOperation
160 final String url = getClient().getBaseUrl() + uri;
162 Builder builder = HttpRequest.newBuilder(URI.create(url));
163 builder = builder.header("Content-type", contentType);
164 builder = addAuthHeader(builder);
166 for (Entry<String, Object> header : headers.entrySet()) {
167 builder = builder.header(header.getKey(), header.getValue().toString());
170 PipelineControllerFuture<Response> controller = new PipelineControllerFuture<>();
172 HttpRequest req = builder.method("DELETE", BodyPublishers.ofString(request)).build();
174 CompletableFuture<HttpResponse<String>> future = makeHttpClient().sendAsync(req, BodyHandlers.ofString());
176 // propagate "cancel" to the future
177 controller.add(future);
179 future.thenApply(response -> new RestManagerResponse(response.statusCode(), response.body(), getCoder()))
180 .whenComplete((resp, thrown) -> {
181 if (thrown != null) {
182 callback.failed(thrown);
183 controller.completeExceptionally(thrown);
185 callback.completed(resp);
186 controller.complete(resp);
194 * Adds the authorization header to the HTTP request, if configured.
196 * @param builder request builder to which the header should be added
197 * @return the builder
199 protected Builder addAuthHeader(Builder builder) {
200 // TODO move to HttpOperation
201 final HttpClient client = getClient();
202 String username = client.getUserName();
203 if (StringUtils.isBlank(username)) {
207 String password = client.getPassword();
208 if (password == null) {
212 String encoded = username + ":" + password;
213 encoded = Base64.getEncoder().encodeToString(encoded.getBytes(StandardCharsets.UTF_8));
214 return builder.header("Authorization", "Basic " + encoded);
219 * Decrements the VF count that's stored in the context, if the request was
223 protected Status detmStatus(Response rawResponse, SoResponse response) {
224 Status status = super.detmStatus(rawResponse, response);
226 if (status == Status.SUCCESS) {
227 setVfCount(getVfCount() - 1);
236 * @return a pair containing the request URL and the new request
238 protected Pair<String, SoRequest> makeRequest() {
239 final AaiCqResponse aaiCqResponse = params.getContext().getProperty(AaiCqResponse.CONTEXT_KEY);
240 final SoModelInfo soModelInfo = prepareSoModelInfo();
241 final GenericVnf vnfItem = getVnfItem(aaiCqResponse, soModelInfo);
242 final ServiceInstance vnfServiceItem = getServiceInstance(aaiCqResponse);
243 final Tenant tenantItem = getDefaultTenant(aaiCqResponse);
244 final CloudRegion cloudRegionItem = getDefaultCloudRegion(aaiCqResponse);
246 SoRequest request = new SoRequest();
247 request.setOperationType(SoOperationType.DELETE_VF_MODULE);
251 // Do NOT send SO the requestId, they do not support this field
253 SoRequestDetails details = new SoRequestDetails();
254 request.setRequestDetails(details);
255 details.setRelatedInstanceList(null);
256 details.setConfigurationParameters(null);
258 // cloudConfiguration
259 details.setCloudConfiguration(constructCloudConfigurationCq(tenantItem, cloudRegionItem));
262 details.setModelInfo(soModelInfo);
265 details.setRequestInfo(constructRequestInfo());
268 * TODO the legacy SO code always passes null for the last argument, though it
269 * should be passing the vfModuleInstanceId
273 String path = PATH_PREFIX + vnfServiceItem.getServiceInstanceId() + "/vnfs/" + vnfItem.getVnfId()
276 return Pair.of(path, request);
279 // these may be overridden by junit tests
281 protected java.net.http.HttpClient makeHttpClient() {
282 return java.net.http.HttpClient.newHttpClient();