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com.alibaba.metrics.rest.MetricsResource Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.alibaba.metrics.rest;
import com.alibaba.fastjson.JSON;
import com.alibaba.metrics.ClusterHistogram;
import com.alibaba.metrics.Compass;
import com.alibaba.metrics.Counter;
import com.alibaba.metrics.FastCompass;
import com.alibaba.metrics.Gauge;
import com.alibaba.metrics.Histogram;
import com.alibaba.metrics.IMetricManager;
import com.alibaba.metrics.Meter;
import com.alibaba.metrics.MetricFilter;
import com.alibaba.metrics.MetricLevel;
import com.alibaba.metrics.MetricManager;
import com.alibaba.metrics.MetricName;
import com.alibaba.metrics.MetricRegistry;
import com.alibaba.metrics.ReservoirType;
import com.alibaba.metrics.Timer;
import com.alibaba.metrics.common.CollectLevel;
import com.alibaba.metrics.common.MetricObject;
import com.alibaba.metrics.common.MetricsCollector;
import com.alibaba.metrics.common.MetricsCollectorFactory;
import com.alibaba.metrics.common.filter.MetricNameSetFilter;
import com.alibaba.metrics.server.MetricsSearchService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.concurrent.TimeUnit;
import static com.alibaba.metrics.rest.Utils.buildResult;
import static com.alibaba.metrics.rest.Utils.buildResultPojo;
@Path("/metrics")
public class MetricsResource {
private final static Logger logger = LoggerFactory.getLogger(MetricsResource.class);
private static IMetricManager manager = MetricManager.getIMetricManager();
private static final double rateFactor = TimeUnit.SECONDS.toSeconds(1);
private static final double durationFactor = 1.0 / TimeUnit.MILLISECONDS.toNanos(1);
private static final String MULTI_GROUP_DELIM = ",";
private static final MetricName baseName = new MetricName("middleware.metrics.rest.url");
/**
* list接口序列化MetricObject时过滤掉timestamp/value
*/
private static final MetricObjectPropertyFilter filter = new MetricObjectPropertyFilter();
@Path("/list")
@GET
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
public Response listMetrics() {
if (manager.isEnabled()) {
Map> metrics = new LinkedHashMap>();
for (String groupName : manager.listMetricGroups()) {
MetricRegistry registry = manager.getMetricRegistryByGroup(groupName);
Set metricsPerRegistry = new LinkedHashSet();
metricsPerRegistry.addAll(buildMetricRegistry(registry));
metrics.put(groupName, metricsPerRegistry);
}
try {
String data = JSON.toJSONString(buildResultPojo(metrics, true, ""), filter);
return Response.ok(data).build();
} catch (Exception e) {
return buildResult(null, false, e.toString());
}
} else {
return buildResult(null, false, "Metrics has been disabled explicitly!");
}
}
@GET
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
public Response getMetrics() {
return getMetrics("all");
}
@GET
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
@Path("/{group}")
public Response getMetrics(@DefaultValue("all") @PathParam("group") String group) {
MetricName name = baseName.tagged("url", "/" + group).level(MetricLevel.TRIVIAL);
Timer urlTimer = manager.getTimer("metrics", name, ReservoirType.BUCKET);
Timer.Context context = urlTimer.time();
try {
if (!manager.isEnabled()) {
return buildResult(null, false, "Metrics has been disabled explicitly!");
}
Map> metricsData = new TreeMap>();
if ("all".equalsIgnoreCase(group) || group == null) {
for (String groupName : manager.listMetricGroups()) {
try {
MetricRegistry registry = manager.getMetricRegistryByGroup(groupName);
metricsData.put(groupName, buildMetricRegistry(registry));
} catch (Throwable e) {
return buildResult(null, false, e.toString());
}
}
return buildResult(metricsData, true, "");
} else if (group.contains(MULTI_GROUP_DELIM)) {
String[] groups = group.split(MULTI_GROUP_DELIM);
for (String groupName : groups) {
try {
// FIXME manager.getMetricRegistryByGroup will create one if group does not exist
if (!manager.listMetricGroups().contains(groupName)) {
continue;
}
MetricRegistry registry = manager.getMetricRegistryByGroup(groupName);
metricsData.put(groupName, buildMetricRegistry(registry));
} catch (Throwable e) {
return buildResult(null, false, e.toString());
}
}
return buildResult(metricsData, true, "");
} else {
// FIXME manager.getMetricRegistryByGroup will create one if group does not exist
List groups = manager.listMetricGroups();
if (!groups.contains(group)) {
return buildResult(null, false, "The specified group is not found!");
}
MetricRegistry registry = manager.getMetricRegistryByGroup(group);
return buildResult(buildMetricRegistry(registry), true, "");
}
} finally {
context.stop();
}
}
@GET
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
@Path("/{group}/level/{level}")
public Response getMetricByLevel(final @PathParam("group") String group,
final @PathParam("level") String level,
final @QueryParam("above") boolean above) {
if (!manager.isEnabled()) {
return Response.status(Response.Status.FORBIDDEN).build();
}
if (group.contains(MULTI_GROUP_DELIM)) {
Map> metricsData = new TreeMap>();
String[] groups = group.split(MULTI_GROUP_DELIM);
String[] levels = level.split(MULTI_GROUP_DELIM);
for (int i = 0; i < groups.length; i++) {
try {
// FIXME manager.getMetricRegistryByGroup will create one if group does not exist
if (!manager.listMetricGroups().contains(groups[i])) {
continue;
}
MetricRegistry registry = manager.getMetricRegistryByGroup(groups[i]);
MetricLevelFilter levelFilter = new MetricLevelFilter(MetricLevel.valueOf(levels[i]), above);
metricsData.put(groups[i], buildMetricRegistry(registry, levelFilter));
} catch (Throwable e) {
return buildResult(null, false, e.toString());
}
}
return buildResult(metricsData, true, "");
} else {
// FIXME manager.getMetricRegistryByGroup will create one if group does not exist
List groups = manager.listMetricGroups();
if (!groups.contains(group)) {
return buildResult(null, false, "The specified group is not found!");
}
MetricRegistry registry = manager.getMetricRegistryByGroup(group);
try {
MetricLevelFilter levelFilter = new MetricLevelFilter(MetricLevel.valueOf(level), above);
List metricObjects = buildMetricRegistry(registry, levelFilter);
if (metricObjects.isEmpty()) {
return buildResult(null, false, "No metric matching the specified level found!");
}
return buildResult(metricObjects);
} catch (IllegalArgumentException e) {
return buildResult(null, false, e.toString());
}
}
}
@GET
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
@Path("/{group}/{metric}")
public Response getMetric(final @PathParam("group") String group,
final @PathParam("metric") String metricName,
final @QueryParam("tagKey") List tagKeys,
final @QueryParam("tagValue") List tagValues) {
if (!manager.isEnabled()) {
return Response.status(Response.Status.FORBIDDEN).build();
}
List groups = manager.listMetricGroups();
// FIXME manager.getMetricRegistryByGroup will create one if group does not exist
if (!groups.contains(group)) {
return buildResult(null, false, "The specified group is not found!");
}
MetricRegistry registry = manager.getMetricRegistryByGroup(group);
List metricObjects = buildMetricRegistry(registry, new MetricNameSetFilter(metricName));
if (metricObjects.isEmpty()) {
return buildResult(null, false, "The specified metric is not found!");
}
return buildResult(metricObjects);
}
@GET
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
@Path("/specific")
public Response getMetric(final @QueryParam("metric") Set metricNames, @QueryParam("zeroIgnore") boolean zeroIgnore) {
if (!manager.isEnabled()) {
return Response.status(Response.Status.FORBIDDEN).build();
}
MetricName name = baseName.tagged("url", "/specific").level(MetricLevel.TRIVIAL);
Timer urlTimer = manager.getTimer("metrics", name, ReservoirType.BUCKET);
Timer.Context context = urlTimer.time();
try {
return getMetricsInternal(metricNames, zeroIgnore);
} finally {
context.stop();
}
}
@POST
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
@Path("/specific")
public Response getMetricsByPost(MultivaluedMap params, @QueryParam("zeroIgnore") boolean zeroIgnore) {
final Set metricNames = new HashSet(params.get("metric"));
return getMetric(metricNames, zeroIgnore);
}
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces({Constants.PRODUCE_JSON_WITH_QUALITY_SOURCE, MediaType.TEXT_HTML})
@Path("/search")
public Response searchMetrics(String metricsSearch, @HeaderParam("REMOTE_ADDR") String remoteAddr,
@HeaderParam("X-Forwarded-For") String xForwardedFor, @Context HttpServletRequest httpServletRequest) {
if (httpServletRequest != null){
logger.info("httpheader REMOTE_ADDR {}, httpheader X-Forwarded-For {};socket remoteaddr {}, port {}",
remoteAddr, xForwardedFor, httpServletRequest.getRemoteAddr(), httpServletRequest.getRemotePort());
}else{
logger.info("httpheader REMOTE_ADDR {}, httpheader X-Forwarded-For {}，httpServletRequest is null",
remoteAddr, xForwardedFor);
}
if (!manager.isEnabled()) {
return Response.status(Response.Status.FORBIDDEN).build();
}
MetricName name = baseName.tagged("url", "/search").level(MetricLevel.TRIVIAL);
Timer urlTimer = manager.getTimer("metrics", name, ReservoirType.BUCKET);
Timer.Context context = urlTimer.time();
try {
MetricsSearchService service = MetricsSearchService.getInstance();
return Response.ok(service.search(metricsSearch)).build();
} catch (Throwable e) {
logger.error("Error during handing search request: ", e);
return Response.serverError().build();
} finally {
context.stop();
}
}
private Response getMetricsInternal(final Set metricNames, boolean zeroIgnore) {
// FIXME manager.getMetricRegistryByGroup will create one if group does not exist
List groups = manager.listMetricGroups();
MetricFilter keyFilter = new MetricNameSetFilter(metricNames);
List metricObjects = new ArrayList();
for (String group : groups) {
MetricRegistry registry = manager.getMetricRegistryByGroup(group);
metricObjects.addAll(buildMetricRegistry(registry, keyFilter));
}
if (metricObjects.isEmpty()) {
return buildResult(null, false, "The specified metric is not found!");
}
if (zeroIgnore){
List allMetricObjects = metricObjects;
metricObjects = new ArrayList();
for(MetricObject o : allMetricObjects){
if ((o != null) && (!Utils.checkZero(o.getValue()))){
metricObjects.add(o);
}
}
}
return buildResult(metricObjects);
}
private List buildMetricRegistry(MetricRegistry registry) {
return buildMetricRegistry(registry, null);
}
private List buildMetricRegistry(MetricRegistry registry, MetricFilter filter) {
long ts = System.currentTimeMillis();
MetricsCollector collector =
MetricsCollectorFactory.createNew(CollectLevel.NORMAL, rateFactor, durationFactor, filter);
SortedMap gauges = filter == null ?
registry.getGauges() : registry.getGauges(filter);
for (Map.Entry entry : gauges.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap counters = filter == null ?
registry.getCounters() : registry.getCounters(filter);
for (Map.Entry entry : counters.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap meters = filter == null ?
registry.getMeters() : registry.getMeters(filter);
for (Map.Entry entry : meters.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap histograms = filter == null ?
registry.getHistograms() : registry.getHistograms(filter);
for (Map.Entry entry : histograms.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap timers = filter == null ?
registry.getTimers() : registry.getTimers(filter);
for (Map.Entry entry : timers.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap compasses = filter == null ?
registry.getCompasses() : registry.getCompasses(filter);
for (Map.Entry entry : compasses.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap fastCompasses = filter == null ?
registry.getFastCompasses() : registry.getFastCompasses(filter);
for (Map.Entry entry : fastCompasses.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
SortedMap clusterHistograms = filter == null ?
registry.getClusterHistograms() : registry.getClusterHistograms(filter);
for (Map.Entry entry : clusterHistograms.entrySet()) {
collector.collect(entry.getKey(), entry.getValue(), ts);
}
return collector.build();
}
}
