| /** |
| * 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.admin.cli; |
| |
| import com.beust.jcommander.Parameter; |
| import com.beust.jcommander.Parameters; |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import com.google.gson.JsonArray; |
| import com.google.gson.JsonElement; |
| import com.google.gson.JsonObject; |
| import java.io.IOException; |
| import java.util.function.Supplier; |
| import org.apache.pulsar.client.admin.PulsarAdmin; |
| |
| @Parameters(commandDescription = "Operations to collect Proxy statistics") |
| public class CmdProxyStats extends CmdBase { |
| |
| @Parameters(commandDescription = "dump connections metrics for Monitoring") |
| private class CmdConnectionMetrics extends CliCommand { |
| @Parameter(names = { "-i", "--indent" }, description = "Indent JSON output", required = false) |
| private boolean indent = false; |
| |
| @Override |
| void run() throws Exception { |
| String json = getAdmin().proxyStats().getConnections(); |
| JsonArray stats = new Gson().fromJson(json, JsonArray.class); |
| printStats(stats, indent); |
| } |
| } |
| |
| @Parameters(commandDescription = "dump topics metrics for Monitoring") |
| private class CmdTopicsMetrics extends CliCommand { |
| @Parameter(names = { "-i", "--indent" }, description = "Indent JSON output", required = false) |
| private boolean indent = false; |
| |
| @Override |
| void run() throws Exception { |
| String json = getAdmin().proxyStats().getTopics(); |
| JsonObject stats = new Gson().fromJson(json, JsonObject.class); |
| printStats(stats, indent); |
| } |
| } |
| |
| public void printStats(JsonElement json, boolean indent) throws IOException { |
| GsonBuilder builder = new GsonBuilder(); |
| Gson gson = indent ? builder.setPrettyPrinting().create() : builder.create(); |
| System.out.println(gson.toJson(json)); |
| } |
| |
| public CmdProxyStats(Supplier<PulsarAdmin> admin) { |
| super("proxy-stats", admin); |
| jcommander.addCommand("connections", new CmdConnectionMetrics()); |
| jcommander.addCommand("topics", new CmdTopicsMetrics()); |
| } |
| } |