org.apache.pulsar.admin.cli.CmdProxyStats Maven / Gradle / Ivy
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* 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
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* specific language governing permissions and limitations
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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 admin) {
super("proxy-stats", admin);
jcommander.addCommand("connections", new CmdConnectionMetrics());
jcommander.addCommand("topics", new CmdTopicsMetrics());
}
}
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