| /** |
| * 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 org.apache.pulsar.websocket.admin; |
| |
| import static org.apache.pulsar.common.util.Codec.decode; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| import javax.ws.rs.Encoded; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response.Status; |
| |
| import org.apache.pulsar.common.naming.DestinationName; |
| import org.apache.pulsar.common.stats.Metrics; |
| import org.apache.pulsar.websocket.stats.ProxyTopicStat; |
| import org.apache.pulsar.websocket.stats.ProxyTopicStat.ConsumerStats; |
| import org.apache.pulsar.websocket.stats.ProxyTopicStat.ProducerStats; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.swagger.annotations.Api; |
| import io.swagger.annotations.ApiOperation; |
| import io.swagger.annotations.ApiResponse; |
| import io.swagger.annotations.ApiResponses; |
| import jersey.repackaged.com.google.common.collect.Maps; |
| |
| @Path("/proxy-stats") |
| @Api(value = "/proxy", description = "Stats for web-socket proxy", tags = "proxy-stats") |
| @Produces(MediaType.APPLICATION_JSON) |
| public class WebSocketProxyStats extends WebSocketWebResource { |
| private static final Logger LOG = LoggerFactory.getLogger(WebSocketProxyStats.class); |
| |
| @GET |
| @Path("/metrics") |
| @ApiOperation(value = "Gets the metrics for Monitoring", notes = "Requested should be executed by Monitoring agent on each proxy to fetch the metrics", response = Metrics.class, responseContainer = "List") |
| @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission") }) |
| public Collection<Metrics> getMetrics() throws Exception { |
| // Ensure super user access only |
| validateSuperUserAccess(); |
| try { |
| return service().getProxyStats().getMetrics(); |
| } catch (Exception e) { |
| LOG.error("[{}] Failed to generate metrics", clientAppId(), e); |
| throw new RestException(e); |
| } |
| } |
| |
| @GET |
| @Path("/{property}/{cluster}/{namespace}/{destination}/stats") |
| @ApiOperation(value = "Get the stats for the topic.") |
| @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission"), |
| @ApiResponse(code = 404, message = "Topic does not exist") }) |
| public ProxyTopicStat getStats(@PathParam("property") String property, @PathParam("cluster") String cluster, |
| @PathParam("namespace") String namespace, @PathParam("destination") @Encoded String destination) { |
| destination = decode(destination); |
| DestinationName dn = DestinationName.get("persistent", property, cluster, namespace, destination); |
| validateUserAccess(dn); |
| ProxyTopicStat stats = getStat(dn.toString()); |
| if (stats == null) { |
| throw new RestException(Status.NOT_FOUND, "Topic does not exist"); |
| } |
| return stats; |
| } |
| |
| @GET |
| @Path("/stats") |
| @ApiOperation(value = "Get the stats for the topic.") |
| @ApiResponses(value = { @ApiResponse(code = 403, message = "Don't have admin permission") }) |
| public Map<String, ProxyTopicStat> getProxyStats() { |
| validateSuperUserAccess(); |
| return getStat(); |
| } |
| |
| public ProxyTopicStat getStat(String topicName) { |
| |
| if (!service().getProducers().containsKey(topicName) |
| && !service().getConsumers().containsKey(topicName) |
| && !service().getReaders().containsKey(topicName)) { |
| LOG.warn("topic doesn't exist {}", topicName); |
| throw new RestException(Status.NOT_FOUND, "Topic does not exist"); |
| } |
| ProxyTopicStat topicStat = new ProxyTopicStat(); |
| if (service().getProducers().containsKey(topicName)){ |
| service().getProducers().get(topicName).forEach(handler -> { |
| ProducerStats stat = new ProducerStats(handler); |
| topicStat.producerStats.add(stat); |
| |
| }); |
| } |
| |
| if (service().getConsumers().containsKey(topicName)){ |
| service().getConsumers().get(topicName).forEach(handler -> { |
| topicStat.consumerStats.add(new ConsumerStats(handler)); |
| }); |
| } |
| |
| if (service().getReaders().containsKey(topicName)){ |
| service().getReaders().get(topicName).forEach(handler -> { |
| topicStat.consumerStats.add(new ConsumerStats(handler)); |
| }); |
| } |
| return topicStat; |
| } |
| |
| public Map<String, ProxyTopicStat> getStat() { |
| |
| Map<String, ProxyTopicStat> statMap = Maps.newHashMap(); |
| |
| service().getProducers().forEach((topicName, handlers) -> { |
| ProxyTopicStat topicStat = statMap.computeIfAbsent(topicName, t -> new ProxyTopicStat()); |
| handlers.forEach(handler -> topicStat.producerStats.add(new ProducerStats(handler))); |
| statMap.put(topicName, topicStat); |
| }); |
| service().getConsumers().forEach((topicName, handlers) -> { |
| ProxyTopicStat topicStat = statMap.computeIfAbsent(topicName, t -> new ProxyTopicStat()); |
| handlers.forEach(handler -> topicStat.consumerStats.add(new ConsumerStats(handler))); |
| statMap.put(topicName, topicStat); |
| }); |
| service().getReaders().forEach((topicName, handlers) -> { |
| ProxyTopicStat topicStat = statMap.computeIfAbsent(topicName, t -> new ProxyTopicStat()); |
| handlers.forEach(handler -> topicStat.consumerStats.add(new ConsumerStats(handler))); |
| statMap.put(topicName, topicStat); |
| }); |
| |
| return statMap; |
| } |
| } |