--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * MODEL LOADER SERVICE
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.modelloader.service;
+
+import org.openecomp.sdc.api.IDistributionClient;
+import org.openecomp.sdc.api.results.IDistributionClientResult;
+import org.openecomp.sdc.impl.DistributionClientFactory;
+import org.openecomp.sdc.utils.DistributionActionResultEnum;
+
+import org.openecomp.cl.api.Logger;
+import org.openecomp.cl.eelf.LoggerFactory;
+import org.openecomp.modelloader.config.ModelLoaderConfig;
+import org.openecomp.modelloader.entity.model.ModelArtifactHandler;
+import org.openecomp.modelloader.notification.EventCallback;
+
+import java.io.IOException;
+import java.util.Properties;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.core.Response;
+
+/**
+ * Service class in charge of managing the negotiating model loading
+ * capabilities between AAI and an ASDC.
+ */
+public class ModelLoaderService implements ModelLoaderInterface {
+
+ protected static String CONFIG_FILE = "model-loader.properties";
+
+ private IDistributionClient client;
+ private ModelLoaderConfig config;
+
+ static Logger logger = LoggerFactory.getInstance().getLogger(ModelLoaderService.class.getName());
+
+ /**
+ * Responsible for loading configuration files and calling initialization.
+ */
+ @PostConstruct
+ protected void start() {
+ // Load model loader system configuration
+ logger.info(ModelLoaderMsgs.LOADING_CONFIGURATION);
+ Properties configProperties = new Properties();
+ try {
+ configProperties.load(this.getClass().getClassLoader().getResourceAsStream(CONFIG_FILE));
+ } catch (IOException e) {
+ String errorMsg = "Failed to load configuration: " + e.getMessage();
+ logger.error(ModelLoaderMsgs.ASDC_CONNECTION_ERROR, errorMsg);
+ shutdown();
+ }
+
+ config = new ModelLoaderConfig(configProperties);
+ init();
+ }
+
+ /**
+ * Responsible for stopping the connection to the distribution client before
+ * the resource is destroyed.
+ */
+ @PreDestroy
+ protected 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 init() {
+ // Initialize distribution client
+ logger.debug(ModelLoaderMsgs.INITIALIZING, "Initializing distribution client...");
+ client = DistributionClientFactory.createDistributionClient();
+ IDistributionClientResult initResult = client.init(config, new EventCallback(client, config));
+ if (initResult.getDistributionActionResult() != DistributionActionResultEnum.SUCCESS) {
+ String errorMsg = "Failed to initialize distribution client: "
+ + initResult.getDistributionMessageResult();
+ logger.error(ModelLoaderMsgs.ASDC_CONNECTION_ERROR, errorMsg);
+ shutdown();
+ }
+
+ // Start distribution client
+ logger.debug(ModelLoaderMsgs.INITIALIZING, "Starting distribution client...");
+ IDistributionClientResult startResult = client.start();
+ if (startResult.getDistributionActionResult() != DistributionActionResultEnum.SUCCESS) {
+ String errorMsg = "Failed to start distribution client: "
+ + startResult.getDistributionMessageResult();
+ logger.error(ModelLoaderMsgs.ASDC_CONNECTION_ERROR, errorMsg);
+ shutdown();
+ }
+
+ logger.debug(ModelLoaderMsgs.INITIALIZING,
+ "Succcessfully loaded service: " + this.getClass().getSimpleName());
+ }
+
+ /**
+ * Shut down the process.
+ */
+ private void shutdown() {
+ preShutdownOperations();
+
+ // TODO: Find a better way to shut down the model loader.
+ try {
+ // Give logs time to write to file
+ Thread.sleep(2000);
+ } catch (InterruptedException e) {
+ // Nothing we can do at this point
+ }
+
+ Runtime.getRuntime().halt(1);
+ }
+
+ /** (non-Javadoc)
+ * @see org.openecomp.modelloader.service.ModelLoaderInterface#loadModel(java.lang.String)
+ */
+ @Override
+ public Response loadModel(String modelid) {
+ Response response = Response.ok("{\"model_loaded\":\"" + modelid + "\"}").build();
+
+ return response;
+ }
+
+ /** (non-Javadoc)
+ * @see org.openecomp.modelloader.service.ModelLoaderInterface#saveModel(java.lang.String, java.lang.String)
+ */
+ @Override
+ public Response saveModel(String modelid, String modelname) {
+ Response response = Response.ok("{\"model_saved\":\"" + modelid + "-" + modelname + "\"}")
+ .build();
+
+ return response;
+ }
+
+ @Override
+ public Response ingestModel(String modelid, HttpServletRequest req, String payload)
+ throws IOException {
+ Response response;
+
+ if (config.getIngestSimulatorEnabled()) {
+ logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Received test artifact");
+
+ ModelArtifactHandler handler = new ModelArtifactHandler(config);
+ handler.loadModelTest(payload.getBytes());
+
+ response = Response.ok().build();
+ } else {
+ logger.debug("Simulation interface disabled");
+ response = Response.serverError().build();
+ }
+
+ return response;
+ }
+}
Code Review / aai / model-loader.git / blobdiff