117 lines
4.6 KiB
Java
117 lines
4.6 KiB
Java
package eu.openaire.urls_worker;
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import eu.openaire.publications_retriever.PublicationsRetriever;
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import eu.openaire.urls_worker.controllers.FullTextsController;
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import eu.openaire.urls_worker.util.UriBuilder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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import org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.context.annotation.Bean;
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import org.springframework.core.env.Environment;
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import org.springframework.scheduling.annotation.EnableScheduling;
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import org.springframework.web.cors.CorsConfiguration;
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import org.springframework.web.cors.CorsConfigurationSource;
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import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
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import javax.annotation.PreDestroy;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.concurrent.TimeUnit;
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@SpringBootApplication
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@EnableConfigurationProperties
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@EnableScheduling
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public class UrlsWorkerApplication {
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private static final Logger logger = LoggerFactory.getLogger(UrlsWorkerApplication.class);
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private static String workerId;
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private static ConfigurableApplicationContext context;
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public UrlsWorkerApplication(@Value("${info.workerId}") String workerId)
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{
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UrlsWorkerApplication.workerId = workerId;
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}
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public static void main(String[] args) {
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context = SpringApplication.run(UrlsWorkerApplication.class, args);
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Runtime javaRuntime = Runtime.getRuntime();
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int mb = 1048576;
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logger.debug("HeapSize: " + (javaRuntime.totalMemory() / mb) + " mb");
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logger.debug("HeapMaxSize: " + (javaRuntime.maxMemory() / mb) + " mb");
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logger.debug("HeapFreeSize: " + (javaRuntime.freeMemory() / mb) + " mb");
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logger.info("The Worker has started running. Its id is: \"" + workerId + "\".");
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}
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public static void gentleAppShutdown()
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{
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int exitCode = 0;
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try {
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exitCode = SpringApplication.exit(context, () -> 0); // The "PreDestroy" method will be called. (the "context" will be closed automatically (I checked it))
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} catch (IllegalArgumentException iae) {
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logger.error(iae.getMessage()); // This will say "Context must not be null", in case the "gentleAppShutdown()" was called too early in the app's lifetime. But it's ok.
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}
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System.exit(exitCode);
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}
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@PreDestroy
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public static void preDestroy()
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{
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if ( PublicationsRetriever.executor != null )
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{
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logger.info("Shutting down the threads used by \"PublicationsRetriever\"-plugin..");
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PublicationsRetriever.executor.shutdown(); // Define that no new tasks will be scheduled.
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try {
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if ( !PublicationsRetriever.executor.awaitTermination(1, TimeUnit.MINUTES) ) {
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logger.warn("The working threads did not finish on time! Stopping them immediately..");
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PublicationsRetriever.executor.shutdownNow();
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}
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} catch (SecurityException se) {
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logger.error("Could not shutdown the threads in any way..!", se);
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} catch (InterruptedException ie) {
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try {
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PublicationsRetriever.executor.shutdownNow();
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} catch (SecurityException se) {
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logger.error("Could not shutdown the threads in any way..!", se);
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}
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}
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}
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FullTextsController.deleteDirectory(-1);
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logger.info("Exiting..");
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}
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@Bean
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public CorsConfigurationSource corsConfigurationSource() {
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CorsConfiguration configuration = new CorsConfiguration();
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configuration.setAllowedOrigins(Collections.singletonList("*"));
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configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"));
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configuration.setAllowedHeaders(Arrays.asList("authorization", "content-type", "x-auth-token"));
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configuration.setExposedHeaders(Collections.singletonList("x-auth-token"));
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UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
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source.registerCorsConfiguration("/**", configuration);
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return source;
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}
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@Bean
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public CommandLineRunner setServerBaseUrl(Environment environment, ServletWebServerApplicationContext webServerAppCtxt)
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{
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return args -> new UriBuilder(environment, webServerAppCtxt);
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}
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}
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