package com.mycompany.myapp.config;
import com.codahale.metrics.JmxReporter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.graphite.Graphite;
import com.codahale.metrics.graphite.GraphiteReporter;
import com.codahale.metrics.health.HealthCheckRegistry;
import com.codahale.metrics.jvm.*;
import com.ryantenney.metrics.spring.config.annotation.EnableMetrics;
import com.ryantenney.metrics.spring.config.annotation.MetricsConfigurerAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.bind.RelaxedPropertyResolver;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.lang.management.ManagementFactory;
import java.net.InetSocketAddress;
import java.util.concurrent.TimeUnit;
@Configuration
@EnableMetrics(proxyTargetClass = true)
public class MetricsConfiguration extends MetricsConfigurerAdapter implements EnvironmentAware {
private static final String ENV_METRICS = "metrics.";
private static final String ENV_METRICS_GRAPHITE = "metrics.graphite.";
private static final String PROP_JMX_ENABLED = "jmx.enabled";
private static final String PROP_GRAPHITE_ENABLED = "enabled";
private static final String PROP_PORT = "port";
private static final String PROP_HOST = "host";
private static final String PROP_METRIC_REG_JVM_MEMORY = "jvm.memory";
private static final String PROP_METRIC_REG_JVM_GARBAGE = "jvm.garbage";
private static final String PROP_METRIC_REG_JVM_THREADS = "jvm.threads";
private static final String PROP_METRIC_REG_JVM_FILES = "jvm.files";
private static final String PROP_METRIC_REG_JVM_BUFFERS = "jvm.buffers";
private final Logger log = LoggerFactory.getLogger(MetricsConfiguration.class);
private static final MetricRegistry METRIC_REGISTRY = new MetricRegistry();
private static final HealthCheckRegistry HEALTH_CHECK_REGISTRY = new HealthCheckRegistry();
private RelaxedPropertyResolver propertyResolver;
@Override
public void setEnvironment(Environment environment) {
this.propertyResolver = new RelaxedPropertyResolver(environment, ENV_METRICS);
}
@Override
@Bean
public MetricRegistry getMetricRegistry() {
return METRIC_REGISTRY;
}
@Override
@Bean
public HealthCheckRegistry getHealthCheckRegistry() {
return HEALTH_CHECK_REGISTRY;
}
@PostConstruct
public void init() {
log.debug("Registering JVM gauges");
METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_MEMORY, new MemoryUsageGaugeSet());
METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_GARBAGE, new GarbageCollectorMetricSet());
METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_THREADS, new ThreadStatesGaugeSet());
METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_FILES, new FileDescriptorRatioGauge());
METRIC_REGISTRY.register(PROP_METRIC_REG_JVM_BUFFERS, new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
if (propertyResolver.getProperty(PROP_JMX_ENABLED, Boolean.class, false)) {
log.info("Initializing Metrics JMX reporting");
final JmxReporter jmxReporter = JmxReporter.forRegistry(METRIC_REGISTRY).build();
jmxReporter.start();
}
}
@Configuration
@ConditionalOnClass(Graphite.class)
public static class GraphiteRegistry implements EnvironmentAware {
private final Logger log = LoggerFactory.getLogger(GraphiteRegistry.class);
@Inject
private MetricRegistry metricRegistry;
private RelaxedPropertyResolver propertyResolver;
@Override
public void setEnvironment(Environment environment) {
this.propertyResolver = new RelaxedPropertyResolver(environment, ENV_METRICS_GRAPHITE);
}
@PostConstruct
private void init() {
Boolean graphiteEnabled = propertyResolver.getProperty(PROP_GRAPHITE_ENABLED, Boolean.class, false);
if (graphiteEnabled) {
log.info("Initializing Metrics Graphite reporting");
String graphiteHost = propertyResolver.getRequiredProperty(PROP_HOST);
Integer graphitePort = propertyResolver.getRequiredProperty(PROP_PORT, Integer.class);
Graphite graphite = new Graphite(new InetSocketAddress(graphiteHost, graphitePort));
GraphiteReporter graphiteReporter = GraphiteReporter.forRegistry(metricRegistry)
.convertRatesTo(TimeUnit.SECONDS)
.convertDurationsTo(TimeUnit.MILLISECONDS)
.build(graphite);
graphiteReporter.start(1, TimeUnit.MINUTES);
}
}
}
}