com.uber.hoodie.metrics.MetricsGraphiteReporter Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of hoodie-client Show documentation
There is a newer version: 0.4.7
/*
 * Copyright (c) 2016 Uber Technologies, Inc. ([email protected])
 *
 * 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.
 */

package com.uber.hoodie.metrics;

import com.codahale.metrics.MetricFilter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.graphite.Graphite;
import com.codahale.metrics.graphite.GraphiteReporter;
import com.uber.hoodie.config.HoodieWriteConfig;

import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import java.io.Closeable;
import java.net.InetSocketAddress;
import java.util.concurrent.TimeUnit;

/**
 * Implementation of Graphite reporter, which connects to the Graphite server,
 * and send metrics to that server.
 */
public class MetricsGraphiteReporter extends MetricsReporter {
    private final MetricRegistry registry;
    private final GraphiteReporter graphiteReporter;
    private final HoodieWriteConfig config;
    private String serverHost;
    private int serverPort;

    private static Logger logger = LogManager.getLogger(MetricsGraphiteReporter.class);

    public MetricsGraphiteReporter(HoodieWriteConfig config, MetricRegistry registry) {
        this.registry = registry;
        this.config = config;

        // Check the serverHost and serverPort here
        this.serverHost = config.getGraphiteServerHost();
        this.serverPort = config.getGraphiteServerPort();
        if (serverHost == null || serverPort == 0) {
            throw new RuntimeException(
                    String.format("Graphite cannot be initialized with serverHost[%s] and serverPort[%s].",
                            serverHost, serverPort));
        }

        this.graphiteReporter = createGraphiteReport();
    }

    @Override
    public void start() {
        if (graphiteReporter != null) {
            graphiteReporter.start(30, TimeUnit.SECONDS);
        } else {
            logger.error("Cannot start as the graphiteReporter is null.");
        }
    }

    @Override
    public void report() {
        if (graphiteReporter != null) {
            graphiteReporter.report();
        } else {
            logger.error("Cannot report metrics as the graphiteReporter is null.");
        }
    }

    @Override
    public Closeable getReporter() {
        return graphiteReporter;
    }

    private GraphiteReporter createGraphiteReport() {
        Graphite graphite = new Graphite(
                new InetSocketAddress(serverHost, serverPort));
        String reporterPrefix = config.getGraphiteMetricPrefix();
        return GraphiteReporter.forRegistry(registry)
                .prefixedWith(reporterPrefix)
                .convertRatesTo(TimeUnit.SECONDS)
                .convertDurationsTo(TimeUnit.MILLISECONDS)
                .filter(MetricFilter.ALL)
                .build(graphite);
    }
}