Close TomcatMetrics on shutdown for cleanup

See micrometer-metrics/micrometer#1424
See gh-19880
This commit is contained in:
Johnny Lim 2020-01-24 00:25:25 +09:00 committed by Stephane Nicoll
parent c3d0b9c43a
commit 51dfd528bd

View File

@ -25,6 +25,7 @@ import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Manager;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.boot.context.event.ApplicationStartedEvent;
import org.springframework.boot.web.context.WebServerApplicationContext;
import org.springframework.boot.web.embedded.tomcat.TomcatWebServer;
@ -38,12 +39,14 @@ import org.springframework.context.ApplicationListener;
* @author Andy Wilkinson
* @since 2.1.0
*/
public class TomcatMetricsBinder implements ApplicationListener<ApplicationStartedEvent> {
public class TomcatMetricsBinder implements ApplicationListener<ApplicationStartedEvent>, DisposableBean {
private final MeterRegistry meterRegistry;
private final Iterable<Tag> tags;
private volatile TomcatMetrics tomcatMetrics;
public TomcatMetricsBinder(MeterRegistry meterRegistry) {
this(meterRegistry, Collections.emptyList());
}
@ -57,7 +60,8 @@ public class TomcatMetricsBinder implements ApplicationListener<ApplicationStart
public void onApplicationEvent(ApplicationStartedEvent event) {
ApplicationContext applicationContext = event.getApplicationContext();
Manager manager = findManager(applicationContext);
new TomcatMetrics(manager, this.tags).bindTo(this.meterRegistry);
this.tomcatMetrics = new TomcatMetrics(manager, this.tags);
this.tomcatMetrics.bindTo(this.meterRegistry);
}
private Manager findManager(ApplicationContext applicationContext) {
@ -80,4 +84,9 @@ public class TomcatMetricsBinder implements ApplicationListener<ApplicationStart
return null;
}
@Override
public void destroy() {
this.tomcatMetrics.close();
}
}