2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2018 Ericsson. All rights reserved.
4 * Copyright (C) 2019 Nordix Foundation.
5 * Copyright (C) 2020 AT&T Inc.
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.distribution.reception.handling.sdc;
26 import java.io.FileOutputStream;
27 import java.io.IOException;
28 import java.nio.file.Files;
29 import java.nio.file.Path;
30 import java.util.concurrent.atomic.AtomicInteger;
31 import org.onap.policy.common.parameters.ParameterService;
32 import org.onap.policy.distribution.model.Csar;
33 import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
34 import org.onap.policy.distribution.reception.handling.AbstractReceptionHandler;
35 import org.onap.policy.distribution.reception.handling.sdc.SdcClientHandler.SdcClientOperationType;
36 import org.onap.policy.distribution.reception.handling.sdc.exceptions.ArtifactDownloadException;
37 import org.onap.policy.distribution.reception.statistics.DistributionStatisticsManager;
38 import org.onap.sdc.api.IDistributionClient;
39 import org.onap.sdc.api.consumer.IComponentDoneStatusMessage;
40 import org.onap.sdc.api.consumer.IDistributionStatusMessage;
41 import org.onap.sdc.api.consumer.INotificationCallback;
42 import org.onap.sdc.api.notification.IArtifactInfo;
43 import org.onap.sdc.api.notification.INotificationData;
44 import org.onap.sdc.api.results.IDistributionClientDownloadResult;
45 import org.onap.sdc.api.results.IDistributionClientResult;
46 import org.onap.sdc.impl.DistributionClientImpl;
47 import org.onap.sdc.utils.DistributionActionResultEnum;
48 import org.onap.sdc.utils.DistributionStatusEnum;
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
53 * Handles reception of inputs from ONAP Service Design and Creation (SDC) from which policies may be decoded.
55 public class SdcReceptionHandler extends AbstractReceptionHandler implements INotificationCallback {
57 private static final Logger LOGGER = LoggerFactory.getLogger(SdcReceptionHandler.class);
58 private static final String SECONDS = "Seconds";
60 private SdcReceptionHandlerStatus sdcReceptionHandlerStatus = SdcReceptionHandlerStatus.STOPPED;
61 private IDistributionClient distributionClient;
62 private SdcConfiguration sdcConfig;
63 private AtomicInteger nbOfNotificationsOngoing = new AtomicInteger();
64 private int retryDelay;
65 private SdcClientHandler sdcClientHandler;
67 private enum DistributionStatusType {
72 protected void initializeReception(final String parameterGroupName) {
73 final SdcReceptionHandlerConfigurationParameterGroup handlerParameters =
74 ParameterService.get(parameterGroupName);
75 retryDelay = handlerParameters.getRetryDelay() < 30 ? 30 : handlerParameters.getRetryDelay();
76 sdcConfig = new SdcConfiguration(handlerParameters);
77 distributionClient = createSdcDistributionClient();
78 sdcClientHandler = new SdcClientHandler(this, SdcClientOperationType.START, retryDelay);
82 public void destroy() {
83 if (distributionClient != null) {
84 sdcClientHandler = new SdcClientHandler(this, SdcClientOperationType.STOP, retryDelay);
89 public void activateCallback(final INotificationData notificationData) {
90 LOGGER.debug("Receieved the notification from SDC with ID: {}", notificationData.getDistributionID());
91 changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.BUSY);
92 processCsarServiceArtifacts(notificationData);
93 changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.IDLE);
94 LOGGER.debug("Processed the notification from SDC with ID: {}", notificationData.getDistributionID());
98 * Method to change the status of this reception handler instance.
100 * @param newStatus the new status
102 private final synchronized void changeSdcReceptionHandlerStatus(final SdcReceptionHandlerStatus newStatus) {
106 sdcReceptionHandlerStatus = newStatus;
109 handleIdleStatusChange(newStatus);
112 nbOfNotificationsOngoing.incrementAndGet();
113 sdcReceptionHandlerStatus = newStatus;
121 * Creates an instance of {@link IDistributionClient} from {@link DistributionClientFactory}.
123 * @return the {@link IDistributionClient} instance
125 protected IDistributionClient createSdcDistributionClient() {
126 return new DistributionClientImpl();
130 * Method to initialize the SDC client.
133 protected void initializeSdcClient() {
135 LOGGER.debug("Initializing the SDC Client...");
136 if (sdcReceptionHandlerStatus != SdcReceptionHandlerStatus.STOPPED) {
137 LOGGER.error("The SDC Client is already initialized");
140 final IDistributionClientResult clientResult = distributionClient.init(sdcConfig, this);
141 if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
142 LOGGER.error("SDC client initialization failed with reason: {}. Initialization will be retried after {} {}",
143 clientResult.getDistributionMessageResult(), retryDelay, SECONDS);
146 LOGGER.debug("SDC Client is initialized successfully");
147 changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.INIT);
151 * Method to start the SDC client.
154 protected void startSdcClient() {
156 LOGGER.debug("Going to start the SDC Client...");
157 if (sdcReceptionHandlerStatus != SdcReceptionHandlerStatus.INIT) {
158 LOGGER.error("The SDC Client is not initialized");
161 final IDistributionClientResult clientResult = distributionClient.start();
162 if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
163 LOGGER.error("SDC client start failed with reason: {}. Start will be retried after {} {}",
164 clientResult.getDistributionMessageResult(), retryDelay, SECONDS);
167 LOGGER.debug("SDC Client is started successfully");
168 changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.IDLE);
169 sdcClientHandler.cancel();
173 * Method to stop the SDC client.
176 protected void stopSdcClient() {
177 LOGGER.debug("Going to stop the SDC Client...");
178 final IDistributionClientResult clientResult = distributionClient.stop();
179 if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
180 LOGGER.error("SDC client stop failed with reason: {}. Stop will be retried after {} {}",
181 clientResult.getDistributionMessageResult(), retryDelay, SECONDS);
184 LOGGER.debug("SDC Client is stopped successfully");
185 changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.STOPPED);
186 sdcClientHandler.cancel();
190 * Method to process csar service artifacts from incoming SDC notification.
192 * @param notificationData the notification from SDC
194 public void processCsarServiceArtifacts(final INotificationData notificationData) {
195 boolean artifactsProcessedSuccessfully = true;
196 DistributionStatisticsManager.updateTotalDistributionCount();
197 for (final IArtifactInfo artifact : notificationData.getServiceArtifacts()) {
199 final IDistributionClientDownloadResult resultArtifact =
200 downloadTheArtifact(artifact, notificationData);
201 final Path filePath = writeArtifactToFile(artifact, resultArtifact);
202 final Csar csarObject = new Csar(filePath.toString());
203 inputReceived(csarObject);
204 sendDistributionStatus(DistributionStatusType.DEPLOY, artifact.getArtifactURL(),
205 notificationData.getDistributionID(), DistributionStatusEnum.DEPLOY_OK, null);
206 deleteArtifactFile(filePath);
207 } catch (final ArtifactDownloadException | PolicyDecodingException exp) {
208 LOGGER.error("Failed to process csar service artifacts ", exp);
209 artifactsProcessedSuccessfully = false;
210 sendDistributionStatus(DistributionStatusType.DEPLOY, artifact.getArtifactURL(),
211 notificationData.getDistributionID(), DistributionStatusEnum.DEPLOY_ERROR,
212 "Failed to deploy the artifact due to: " + exp.getMessage());
215 if (artifactsProcessedSuccessfully) {
216 DistributionStatisticsManager.updateDistributionSuccessCount();
217 sendComponentDoneStatus(notificationData.getDistributionID(), DistributionStatusEnum.COMPONENT_DONE_OK,
220 DistributionStatisticsManager.updateDistributionFailureCount();
221 sendComponentDoneStatus(notificationData.getDistributionID(), DistributionStatusEnum.COMPONENT_DONE_ERROR,
222 "Failed to process the artifact");
227 * Method to download the distribution artifact.
229 * @param artifact the artifact
230 * @return the download result
231 * @throws ArtifactDownloadException if download fails
233 private IDistributionClientDownloadResult downloadTheArtifact(final IArtifactInfo artifact,
234 final INotificationData notificationData) throws ArtifactDownloadException {
236 DistributionStatisticsManager.updateTotalDownloadCount();
237 final IDistributionClientDownloadResult downloadResult = distributionClient.download(artifact);
238 if (!downloadResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
239 DistributionStatisticsManager.updateDownloadFailureCount();
240 final String message = "Failed to download artifact with name: " + artifact.getArtifactName() + " due to: "
241 + downloadResult.getDistributionMessageResult();
242 LOGGER.error(message);
243 sendDistributionStatus(DistributionStatusType.DOWNLOAD, artifact.getArtifactURL(),
244 notificationData.getDistributionID(), DistributionStatusEnum.DOWNLOAD_ERROR, message);
245 throw new ArtifactDownloadException(message);
247 DistributionStatisticsManager.updateDownloadSuccessCount();
248 sendDistributionStatus(DistributionStatusType.DOWNLOAD, artifact.getArtifactURL(),
249 notificationData.getDistributionID(), DistributionStatusEnum.DOWNLOAD_OK, null);
250 return downloadResult;
254 * Method to write the downloaded distribution artifact to local file system.
256 * @param artifact the notification artifact
257 * @param resultArtifact the download result artifact
258 * @return the local path of written file
259 * @throws ArtifactDownloadException if error occurs while writing the artifact
261 private Path writeArtifactToFile(final IArtifactInfo artifact,
262 final IDistributionClientDownloadResult resultArtifact) throws ArtifactDownloadException {
264 final byte[] payloadBytes = resultArtifact.getArtifactPayload();
265 final File tempArtifactFile = File.createTempFile(artifact.getArtifactName(), ".csar");
266 try (FileOutputStream fileOutputStream = new FileOutputStream(tempArtifactFile)) {
267 fileOutputStream.write(payloadBytes, 0, payloadBytes.length);
268 return tempArtifactFile.toPath();
270 } catch (final Exception exp) {
271 throw new ArtifactDownloadException("Failed to write artifact to local repository", exp);
276 * Method to delete the downloaded notification artifact from local file system.
278 * @param filePath the path of file
280 private void deleteArtifactFile(final Path filePath) {
282 Files.deleteIfExists(filePath);
283 } catch (final IOException exp) {
284 LOGGER.error("Failed to delete the downloaded artifact file", exp);
289 * Sends the distribution status to SDC using the input values.
291 * @param statusType the status type
292 * @param artifactUrl the artifact url
293 * @param distributionId the distribution id
294 * @param status the status
295 * @param errorReason the error reason
297 private void sendDistributionStatus(final DistributionStatusType statusType, final String artifactUrl,
298 final String distributionId, final DistributionStatusEnum status, final String errorReason) {
300 IDistributionClientResult clientResult;
301 final DistributionStatusMessageBuilder messageBuilder = new DistributionStatusMessageBuilder()
302 .setArtifactUrl(artifactUrl).setConsumerId(sdcConfig.getConsumerID()).setDistributionId(distributionId)
303 .setDistributionStatus(status).setTimestamp(System.currentTimeMillis());
304 final IDistributionStatusMessage message = new DistributionStatusMessage(messageBuilder);
305 if (DistributionStatusType.DOWNLOAD.equals(statusType)) {
306 if (errorReason != null) {
307 clientResult = distributionClient.sendDownloadStatus(message, errorReason);
309 clientResult = distributionClient.sendDownloadStatus(message);
312 if (errorReason != null) {
313 clientResult = distributionClient.sendDeploymentStatus(message, errorReason);
315 clientResult = distributionClient.sendDeploymentStatus(message);
318 final StringBuilder loggerMessage = new StringBuilder();
319 loggerMessage.append("distribution status to SDC with values - ").append("DistributionId")
320 .append(distributionId).append(" Artifact: ").append(artifactUrl).append(" StatusType: ")
321 .append(statusType.name()).append(" Status: ").append(status.name());
322 if (errorReason != null) {
323 loggerMessage.append(" ErrorReason: ").append(errorReason);
325 if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
326 loggerMessage.insert(0, "Failed sending ");
327 LOGGER.debug("Failed sending {}", loggerMessage);
329 loggerMessage.insert(0, "Successfully Sent ");
330 LOGGER.debug("Successfully Sent {}", loggerMessage);
335 * Sends the component done status to SDC using the input values.
337 * @param distributionId the distribution Id
338 * @param status the distribution status
339 * @param errorReason the error reason
341 private void sendComponentDoneStatus(final String distributionId, final DistributionStatusEnum status,
342 final String errorReason) {
343 IDistributionClientResult clientResult;
344 final ComponentDoneStatusMessageBuilder messageBuilder = new ComponentDoneStatusMessageBuilder()
345 .setConsumerId(sdcConfig.getConsumerID()).setDistributionId(distributionId)
346 .setDistributionStatus(status).setTimestamp(System.currentTimeMillis());
347 final IComponentDoneStatusMessage message = new ComponentDoneStatusMessage(messageBuilder);
348 if (errorReason == null) {
349 clientResult = distributionClient.sendComponentDoneStatus(message);
351 clientResult = distributionClient.sendComponentDoneStatus(message, errorReason);
354 final StringBuilder loggerMessage = new StringBuilder();
355 loggerMessage.append("component done status to SDC with values - ").append("DistributionId")
356 .append(distributionId).append(" Status: ").append(status.name());
357 if (errorReason != null) {
358 loggerMessage.append(" ErrorReason: ").append(errorReason);
360 if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
361 LOGGER.debug("Failed sending {}", loggerMessage);
363 LOGGER.debug("Successfully Sent {}", loggerMessage);
368 * Handle the status change of {@link SdcReceptionHandler} to Idle.
370 * @param newStatus the new status
372 private void handleIdleStatusChange(final SdcReceptionHandlerStatus newStatus) {
373 if (nbOfNotificationsOngoing.getAndUpdate(curval -> Math.max(0, curval - 1)) == 0) {
374 sdcReceptionHandlerStatus = newStatus;