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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* 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.vid.controller;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.client.ClientBuilder;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.openecomp.vid.exceptions.VidServiceUnavailableException;
import org.openecomp.vid.model.Network;
import org.openecomp.vid.model.ServiceModel;
import org.openecomp.vid.model.VNF;
import org.openecomp.vid.model.VfModule;
import org.openecomp.vid.model.VolumeGroup;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.openecomp.vid.asdc.AsdcCatalogException;
import org.openecomp.vid.asdc.AsdcClient;
import org.openecomp.vid.asdc.beans.Resource;
import org.openecomp.vid.asdc.beans.Service;
import org.openecomp.vid.asdc.beans.tosca.Group;
import org.openecomp.vid.asdc.beans.tosca.NodeTemplate;
import org.openecomp.vid.asdc.beans.tosca.ToscaCsar;
import org.openecomp.vid.asdc.beans.tosca.ToscaModel;
import org.openecomp.vid.asdc.memory.InMemoryAsdcClient;
import org.openecomp.vid.asdc.rest.RestfulAsdcClient;
import org.openecomp.vid.properties.AsdcClientConfiguration;
import org.openecomp.vid.properties.AsdcClientConfiguration.AsdcClientType;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* The Class VidController.
*/
@RestController
public class VidController extends RestrictedBaseController {
/** The Constant LOG. */
private static final EELFLoggerDelegate LOG = EELFLoggerDelegate.getLogger(VidController.class);
/** The app context. */
@Autowired
private ApplicationContext appContext;
/**
* Gets the object mapper.
*
* @return the object mapper
*/
@Bean
public ObjectMapper getObjectMapper() {
return new ObjectMapper();
}
/**
* Gets the asdc client.
*
* @return the asdc client
*/
@Bean
public AsdcClient getAsdcClient() {
final AsdcClientConfiguration asdcClientConfig = appContext.getBean(AsdcClientConfiguration.class);
switch (asdcClientConfig.getAsdcClientType()) {
case IN_MEMORY:
final InputStream asdcCatalogFile = VidController.class.getClassLoader().getResourceAsStream("catalog.json");
final JSONTokener tokener = new JSONTokener(asdcCatalogFile);
final JSONObject catalog = new JSONObject(tokener);
return new InMemoryAsdcClient.Builder().catalog(catalog).build();
case REST:
final String protocol = asdcClientConfig.getAsdcClientProtocol();
final String host = asdcClientConfig.getAsdcClientHost();
final int port = asdcClientConfig.getAsdcClientPort();
final String auth = asdcClientConfig.getAsdcClientAuth();
try {
final URI uri = new URI(protocol + "://" + host + ":" + port + "/");
return new RestfulAsdcClient.Builder(ClientBuilder.newClient(), uri)
.auth(auth)
.build();
} catch (URISyntaxException e) {
throw new RuntimeException("SDC Client could not be instantiated due to a syntax error in the URI", e);
}
default:
throw new RuntimeException(asdcClientConfig.getAsdcClientType() + " is invalid; must be one of " + Arrays.toString(AsdcClientType.values()));
}
}
/**
* Gets the services.
*
* @param request the request
* @return the services
* @throws VidServiceUnavailableException the vid service unavailable exception
*/
@RequestMapping(value={"/rest/models/services"}, method = RequestMethod.GET)
public Collection<Service> getServices(HttpServletRequest request) throws VidServiceUnavailableException {
try {
return getAsdcClient().getServices(request.getParameterMap());
} catch (AsdcCatalogException e) {
LOG.error("Failed to retrieve service definitions from SDC", e);
throw new VidServiceUnavailableException("Failed to retrieve service definitions from SDC", e);
} catch (Throwable t) {
LOG.debug("Unexpected error while retrieving service definitions from SDC: " + t.getMessage() + ":", t);
t.printStackTrace();
throw new VidServiceUnavailableException("Unexpected error while retrieving service definitions from SDC: " + t.getMessage(), t);
}
}
/**
* Gets the services.
*
* @param uuid the uuid
* @return the services
* @throws VidServiceUnavailableException the vid service unavailable exception
*/
@RequestMapping(value={"/rest/models/services/{uuid}"}, method = RequestMethod.GET)
public ServiceModel getServices(@PathVariable("uuid") String uuid) throws VidServiceUnavailableException {
try {
final ServiceModel serviceModel = new ServiceModel();
final Map<UUID, VNF> vnfs = new HashMap<UUID, VNF> ();
final Map<UUID, Network> networks = new HashMap<UUID, Network> ();
final ToscaCsar serviceCsar = getAsdcClient().getServiceToscaModel(UUID.fromString(uuid));
final Service asdcServiceMetadata = getAsdcClient().getService(UUID.fromString(uuid));
final ToscaModel asdcService = serviceCsar.getParent();
serviceModel.setService(ServiceModel.extractService(asdcService, asdcServiceMetadata));
for (Entry<String, NodeTemplate> component: asdcService.gettopology_template().getnode_templates().entrySet()) {
final String modelCustomizationName = component.getKey();
final NodeTemplate nodeTemplate = component.getValue();
final String type = nodeTemplate.getType();
if (type.startsWith("org.openecomp.resource.vf")) {
final UUID vnfUuid = UUID.fromString(nodeTemplate.getMetadata().getUUID());
final VNF vnf = VNF.extractVnf(modelCustomizationName, nodeTemplate);
if (vnf.getVersion() == null) {
final Resource vnfMetadata = getAsdcClient().getResource(UUID.fromString(nodeTemplate.getMetadata().getUUID()));
vnf.setVersion(vnfMetadata.getVersion());
}
vnfs.put(vnfUuid, vnf);
}
}
for (ToscaModel vnfModel : serviceCsar.getChildren()) {
final UUID vnfUuid = UUID.fromString(vnfModel.getMetadata().getUUID());
final VNF vnf = vnfs.get(vnfUuid);
final Map<UUID, VfModule> vfModules = new HashMap<UUID, VfModule> ();
final Map<UUID, VolumeGroup> volumeGroups = new HashMap<UUID, VolumeGroup> ();
if (vnf == null) {
LOG.warn("Couldn't find VNF object " + vnfUuid + ". Problem with Tosca model?");
continue;
}
vnf.setInputs(vnfModel.gettopology_template().getInputs());
for (Entry<String, Group> component : vnfModel.gettopology_template().getGroups().entrySet()) {
final Group group = component.getValue();
final String type = group.getType();
if (type.startsWith("org.openecomp.groups.VfModule")) {
final UUID vfModuleUuid = UUID.fromString(group.getMetadata().getVfModuleModelUUID());
vfModules.put(vfModuleUuid, VfModule.extractVfModule(group));
if (Boolean.valueOf(group.getProperties().get("volume_group"))) {
volumeGroups.put(vfModuleUuid, VolumeGroup.extractVolumeGroup(group));
}
}
}
vnf.setVfModules(vfModules);
vnf.setVolumeGroups(volumeGroups);
}
serviceModel.setVnfs(vnfs);
serviceModel.setNetworks(networks);
return serviceModel;
} catch (AsdcCatalogException e) {
LOG.error("Failed to retrieve service definitions from SDC", e);
throw new VidServiceUnavailableException("Failed to retrieve service definitions from SDC", e);
}
}
/**
* Gets the services view.
*
* @param request the request
* @return the services view
* @throws VidServiceUnavailableException the vid service unavailable exception
*/
@RequestMapping(value={"/serviceModels"}, method=RequestMethod.GET)
public ModelAndView getServicesView(HttpServletRequest request) throws VidServiceUnavailableException {
return new ModelAndView("serviceModels");
}
}
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