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Diffstat (limited to 'src/main/java/org/openecomp/dcae/inventory/InventoryApplication.java')
| -rw-r--r-- | src/main/java/org/openecomp/dcae/inventory/InventoryApplication.java | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/dcae/inventory/InventoryApplication.java b/src/main/java/org/openecomp/dcae/inventory/InventoryApplication.java new file mode 100644 index 0000000..9e78506 --- /dev/null +++ b/src/main/java/org/openecomp/dcae/inventory/InventoryApplication.java @@ -0,0 +1,197 @@ +/*- + * ============LICENSE_START======================================================= + * dcae-inventory + * ================================================================================ + * 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.dcae.inventory; + +import com.fasterxml.jackson.databind.ObjectMapper; +import io.dropwizard.cli.Cli; +import io.dropwizard.configuration.ConfigurationFactory; +import io.dropwizard.configuration.ConfigurationFactoryFactory; +import io.dropwizard.configuration.JsonConfigurationFactory; +import io.dropwizard.configuration.UrlConfigurationSourceProvider; +import io.dropwizard.util.JarLocation; +import org.openecomp.dcae.inventory.clients.DCAEControllerClient; +import org.openecomp.dcae.inventory.clients.DatabusControllerClient; +import org.openecomp.dcae.inventory.daos.InventoryDAOManager; +import org.openecomp.dcae.inventory.exceptions.mappers.DBIExceptionMapper; +import org.openecomp.dcae.inventory.exceptions.mappers.DCAEControllerConnectionExceptionMapper; +import org.openecomp.dcae.inventory.exceptions.mappers.DCAEControllerTimeoutExceptionMapper; +import org.openecomp.dcae.inventory.providers.NotFoundExceptionMapper; +import com.fasterxml.jackson.databind.module.SimpleModule; +import io.dropwizard.Application; +import io.dropwizard.client.JerseyClientBuilder; +import io.dropwizard.setup.Bootstrap; +import io.dropwizard.setup.Environment; +import io.swagger.api.DcaeServiceTypesApi; +import io.swagger.api.DcaeServicesApi; +import io.swagger.api.DcaeServicesGroupbyApi; +import io.swagger.api.factories.DcaeServicesApiServiceFactory; +import io.swagger.jaxrs.config.BeanConfig; +import io.swagger.jaxrs.listing.ApiListingResource; +import io.swagger.jaxrs.listing.SwaggerSerializers; +import io.swagger.models.Contact; +import io.swagger.models.Info; +import org.eclipse.jetty.servlets.CrossOriginFilter; +import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.servlet.DispatcherType; +import javax.servlet.FilterRegistration; +import javax.validation.Validator; +import javax.ws.rs.client.Client; +import javax.ws.rs.core.Link; +import java.util.EnumSet; +import java.util.Locale; + + +/** + * Created by mhwang on 4/11/16. + */ +public class InventoryApplication extends Application<InventoryConfiguration> { + + static final Logger LOG = LoggerFactory.getLogger(InventoryApplication.class); + static boolean shouldRemoteFetchConfig = false; + + public static void main(String[] args) throws Exception { + // This is here to try to fix a "high" issue caught by Fortify. Did this **plus** setting locale for each of the + // string comparisons that use `toUpper` because of this StackOverflow post: + // http://stackoverflow.com/questions/38308777/fixed-fortify-scan-locale-changes-are-reappearing + Locale.setDefault(Locale.ENGLISH); + + if (args.length < 2 && "server".equals(args[0])) { + // When the start command is just "server", this will trigger inventory to look for its configuration + // from Consul's KV store. The url is hardcoded here which should be used as the "path" variable into + // the UrlConfigurationSourceProvider. + String[] customArgs = new String[args.length+1]; + System.arraycopy(args, 0, customArgs, 0, args.length); + customArgs[args.length] = "http://consul:8500/v1/kv/inventory?raw=true"; + shouldRemoteFetchConfig = true; + + new InventoryApplication().run(customArgs); + } else { + // You are here because you want to use the default way of configuring inventory - YAML file. + new InventoryApplication().run(args); + } + } + + @Override + public String getName() { + return "dcae-inventory"; + } + + private static class JsonConfigurationFactoryFactory<T> implements ConfigurationFactoryFactory<T> { + @Override + public ConfigurationFactory<T> create(Class<T> klass, Validator validator, ObjectMapper objectMapper, String propertyPrefix) { + return new JsonConfigurationFactory(klass, validator, objectMapper, propertyPrefix); + } + } + + @Override + public void initialize(Bootstrap<InventoryConfiguration> bootstrap) { + // This Info object was lifted from the Swagger generated io.swagger.api.Bootstrap file. Although it was not generated + // correctly. + Info info = new Info().title("DCAE Inventory API").version("0.8.0") + .description("DCAE Inventory is a web service that provides the following:\n\n1. Real-time data on all DCAE services and their components\n2. Comprehensive details on available DCAE service types\n") + .contact(new Contact().email("dcae@lists.openecomp.org")); + // Swagger/servlet/jax-rs magic! + BeanConfig beanConfig = new BeanConfig(); + beanConfig.setInfo(info); + beanConfig.setResourcePackage("io.swagger.api"); + beanConfig.setScan(true); + + if (shouldRemoteFetchConfig) { + // You are here because the configuration is sitting on a remote server in json format + bootstrap.setConfigurationSourceProvider(new UrlConfigurationSourceProvider()); + bootstrap.setConfigurationFactoryFactory(new JsonConfigurationFactoryFactory<>()); + } + } + + @Override + public void run(InventoryConfiguration configuration, Environment environment) { + LOG.info("Starting DCAE inventory application"); + LOG.info(String.format("DB driver properties: %s", configuration.getDataSourceFactory().getProperties().toString())); + InventoryDAOManager.getInstance().setup(environment, configuration); + InventoryDAOManager.getInstance().initialize(); + + // Add filter for CORS support for DCAE dashboard + // http://jitterted.com/tidbits/2014/09/12/cors-for-dropwizard-0-7-x/ + // https://gist.github.com/yunspace/07d80a9ac32901f1e149#file-dropwizardjettycrossoriginintegrationtest-java-L11 + FilterRegistration.Dynamic filter = environment.servlets().addFilter("CORSFilter", CrossOriginFilter.class); + filter.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), false, "/*"); + filter.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, "*"); + filter.setInitParameter(CrossOriginFilter.ALLOWED_HEADERS_PARAM, "Content-Type,Authorization,X-Requested-With,Content-Length,Accept,Origin"); + filter.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, "GET,PUT,POST,DELETE,OPTIONS"); + filter.setInitParameter(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER, "*"); + + // Want to serialize Link in a way we like + SimpleModule simpleModule = new SimpleModule(); + simpleModule.addSerializer(Link.class, new LinkSerializer()); + environment.getObjectMapper().registerModule(simpleModule); + + // Setup DCAE controller client + // Used by the dcae-services API + if (configuration.getDcaeControllerConnection().getRequired()) { + final Client clientDCAEController = new JerseyClientBuilder(environment).using(configuration.getJerseyClientConfiguration()) + .build("DCAEControllerClient"); + HttpAuthenticationFeature feature = HttpAuthenticationFeature.basicBuilder().build(); + clientDCAEController.register(feature); + final DCAEControllerClient dcaeControllerClient = new DCAEControllerClient(clientDCAEController, configuration.getDcaeControllerConnection()); + DcaeServicesApiServiceFactory.setDcaeControllerClient(dcaeControllerClient); + + LOG.info("Use of DCAE controller client is required. Turned on."); + } else { + LOG.warn("Use of DCAE controller client is *not* required. Turned off."); + } + + // Setup Databus controller client + // Used by the dcae-services API + if (configuration.getDatabusControllerConnection().getRequired()) { + final Client clientDatabusController = new JerseyClientBuilder(environment).using(configuration.getJerseyClientConfiguration()) + .build("DatabusControllerClient"); + clientDatabusController.register(HttpAuthenticationFeature.basicBuilder().credentials( + configuration.getDatabusControllerConnection().getMechId(), + configuration.getDatabusControllerConnection().getPassword()).build()); + final DatabusControllerClient databusControllerClient = new DatabusControllerClient(clientDatabusController, + configuration.getDatabusControllerConnection()); + DcaeServicesApiServiceFactory.setDatabusControllerClient(databusControllerClient); + + LOG.info("Use of databus controller client is required. Turned on."); + } else { + LOG.warn("Use of databus controller client is *not* required. Turned off."); + } + + environment.jersey().register(NotFoundExceptionMapper.class); + environment.jersey().register(DCAEControllerConnectionExceptionMapper.class); + environment.jersey().register(DCAEControllerTimeoutExceptionMapper.class); + environment.jersey().register(DBIExceptionMapper.UnableToObtainConnectionExceptionMapper.class); + environment.jersey().register(DBIExceptionMapper.UnableToExecuteStatementExceptionMapper.class); + environment.jersey().register(DBIExceptionMapper.UnableToCreateStatementExceptionMapper.class); + + environment.jersey().register(new DcaeServicesApi()); + environment.jersey().register(new DcaeServiceTypesApi()); + environment.jersey().register(new DcaeServicesGroupbyApi()); + + // https://github.com/swagger-api/swagger-core/wiki/Swagger-Core-Jersey-2.X-Project-Setup-1.5 + environment.jersey().register(new ApiListingResource()); + environment.jersey().register(new SwaggerSerializers()); + } + +} |