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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 European Software Marketing Ltd.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.modelloader.service;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Date;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.modelloader.config.ModelLoaderConfig;
import org.onap.aai.modelloader.entity.Artifact;
import org.onap.aai.modelloader.notification.ArtifactDownloadManager;
import org.onap.aai.modelloader.notification.EventCallback;
import org.onap.aai.modelloader.notification.NotificationDataImpl;
import org.onap.aai.modelloader.notification.NotificationPublisher;
import org.onap.sdc.api.IDistributionClient;
import org.onap.sdc.api.notification.IArtifactInfo;
import org.onap.sdc.api.results.IDistributionClientResult;
import org.onap.sdc.utils.DistributionActionResultEnum;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* Service class in charge of managing the negotiating model loading capabilities between AAI and an ASDC.
*/
@RestController
@RequestMapping("/services/model-loader/v1/model-service")
public class ModelController implements ModelLoaderInterface {
private static final Logger logger = LoggerFactory.getInstance().getLogger(ModelController.class);
private final IDistributionClient client;
private final ModelLoaderConfig config;
private final EventCallback eventCallback;
private final ArtifactDeploymentManager artifactDeploymentManager;
private final ArtifactDownloadManager artifactDownloadManager;
public ModelController(IDistributionClient client, ModelLoaderConfig config, EventCallback eventCallback, ArtifactDeploymentManager artifactDeploymentManager, ArtifactDownloadManager artifactDownloadManager) {
this.client = client;
this.config = config;
this.eventCallback = eventCallback;
this.artifactDeploymentManager = artifactDeploymentManager;
this.artifactDownloadManager = artifactDownloadManager;
}
/**
* Responsible for stopping the connection to the distribution client before the resource is destroyed.
*/
public void preShutdownOperations() {
logger.info(ModelLoaderMsgs.STOPPING_CLIENT);
if (client != null) {
client.stop();
}
}
/**
* Responsible for loading configuration files, initializing model distribution clients, and starting them.
*/
protected void initSdcClient() {
// Initialize distribution client
logger.debug(ModelLoaderMsgs.INITIALIZING, "Initializing distribution client...");
IDistributionClientResult initResult = client.init(config, eventCallback);
if (initResult.getDistributionActionResult() == DistributionActionResultEnum.SUCCESS) {
// Start distribution client
logger.debug(ModelLoaderMsgs.INITIALIZING, "Starting distribution client...");
IDistributionClientResult startResult = client.start();
if (startResult.getDistributionActionResult() == DistributionActionResultEnum.SUCCESS) {
logger.info(ModelLoaderMsgs.INITIALIZING, "Connection to SDC established");
} else {
String errorMsg = "Failed to start distribution client: " + startResult.getDistributionMessageResult();
logger.error(ModelLoaderMsgs.ASDC_CONNECTION_ERROR, errorMsg);
// Kick off a timer to retry the SDC connection
Timer timer = new Timer();
TimerTask task = new SdcConnectionJob(client, config, eventCallback, timer);
timer.schedule(task, new Date(), 60000);
}
} else {
String errorMsg = "Failed to initialize distribution client: " + initResult.getDistributionMessageResult();
logger.error(ModelLoaderMsgs.ASDC_CONNECTION_ERROR, errorMsg);
// Kick off a timer to retry the SDC connection
Timer timer = new Timer();
TimerTask task = new SdcConnectionJob(client, config, eventCallback, timer);
timer.schedule(task, new Date(), 60000);
}
Runtime.getRuntime().addShutdownHook(new Thread(this::preShutdownOperations));
}
/**
* (non-Javadoc)
*
* @see org.onap.aai.modelloader.service.ModelLoaderInterface#loadModel(java.lang.String)
*/
@Override
public Response loadModel(@PathVariable String modelid) {
return Response.ok("{\"model_loaded\":\"" + modelid + "\"}").build();
}
/**
* (non-Javadoc)
*
* @see org.onap.aai.modelloader.service.ModelLoaderInterface#saveModel(java.lang.String, java.lang.String)
*/
@Override
public Response saveModel(@PathVariable String modelid, @PathVariable String modelname) {
return Response.ok("{\"model_saved\":\"" + modelid + "-" + modelname + "\"}").build();
}
@Override
public Response ingestModel(@PathVariable String modelName, @PathVariable String modelVersion,
@RequestBody String payload) throws IOException {
Response response;
if (config.getIngestSimulatorEnabled()) {
response = processTestArtifact(modelName, modelVersion, payload);
} else {
logger.debug("Simulation interface disabled");
response = Response.serverError().build();
}
return response;
}
private Response processTestArtifact(String modelName, String modelVersion, String payload) {
IArtifactInfo artifactInfo = new ArtifactInfoImpl();
((ArtifactInfoImpl) artifactInfo).setArtifactName(modelName);
((ArtifactInfoImpl) artifactInfo).setArtifactVersion(modelVersion);
Response response;
try {
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Received test artifact " + modelName + " " + modelVersion);
byte[] csarFile = Base64.getDecoder().decode(payload);
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Generating XML models from test artifact");
List<Artifact> modelArtifacts = new ArrayList<>();
List<Artifact> catalogArtifacts = new ArrayList<>();
artifactDownloadManager.processToscaArtifacts(modelArtifacts,
catalogArtifacts, csarFile, artifactInfo, "test-transaction-id", modelVersion);
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Loading xml models from test artifacts: "
+ modelArtifacts.size() + " model(s) and " + catalogArtifacts.size() + " catalog(s)");
NotificationDataImpl notificationData = new NotificationDataImpl();
notificationData.setDistributionID("TestDistributionID");
boolean success =
artifactDeploymentManager.deploy(notificationData, modelArtifacts, catalogArtifacts);
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Deployment success was " + success);
response = success ? Response.ok().build() : Response.serverError().build();
} catch (Exception e) {
String responseMessage = e.getMessage();
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Exception handled: " + responseMessage);
if (config.getASDCConnectionDisabled()) {
// Make sure the NotificationPublisher logger is invoked as per the standard processing flow.
new NotificationPublisher().publishDeployFailure(client, new NotificationDataImpl(), artifactInfo);
} else {
responseMessage += "\nSDC publishing is enabled but has been bypassed";
}
response = Response.serverError().entity(responseMessage).type(MediaType.APPLICATION_XML).build();
}
return response;
}
}
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