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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
* "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 java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.function.Supplier;
import org.apache.pulsar.client.admin.PulsarAdmin;
import org.apache.pulsar.common.stats.AllocatorStats;
import org.apache.pulsar.common.util.ObjectMapperFactory;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.stream.JsonWriter;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
@Parameters(commandDescription = "Operations to collect broker statistics")
public class CmdBrokerStats extends CmdBase {
private static final String DEFAULT_INDENTATION = " ";
@Parameters(commandDescription = "dump metrics for Monitoring")
private class CmdMonitoringMetrics extends CliCommand {
@Parameter(names = { "-i", "--indent" }, description = "Indent JSON output", required = false)
private boolean indent = false;
@Override
void run() throws Exception {
String s = getAdmin().brokerStats().getMetrics();
JsonArray metrics = new Gson().fromJson(s, JsonArray.class);
try (Writer out = new OutputStreamWriter(System.out, StandardCharsets.UTF_8);
JsonWriter jsonWriter = new JsonWriter(out)) {
for (int i = 0; i < metrics.size(); i++) {
JsonObject m = (JsonObject) metrics.get(i);
if (indent) {
jsonWriter.setIndent(DEFAULT_INDENTATION);
new Gson().toJson(m, jsonWriter);
out.write('\n');
out.write('\n');
} else {
new Gson().toJson(m, jsonWriter);
}
out.flush();
}
}
}
}
@Parameters(commandDescription = "dump mbean stats")
private class CmdDumpMBeans extends CliCommand {
@Parameter(names = { "-i", "--indent" }, description = "Indent JSON output", required = false)
private boolean indent = false;
@Override
void run() throws Exception {
String s = getAdmin().brokerStats().getMBeans();
JsonArray result = new Gson().fromJson(s, JsonArray.class);
try (Writer out = new OutputStreamWriter(System.out, StandardCharsets.UTF_8);
JsonWriter jsonWriter = new JsonWriter(out)) {
if (indent) {
jsonWriter.setIndent(DEFAULT_INDENTATION);
}
new Gson().toJson(result, jsonWriter);
out.flush();
}
}
}
@Parameters(commandDescription = "dump broker load-report")
private class CmdLoadReport extends CliCommand {
@Override
void run() throws Exception {
print(getAdmin().brokerStats().getLoadReport());
}
}
@Parameters(commandDescription = "dump topics stats")
private class CmdTopics extends CliCommand {
@Parameter(names = { "-i", "--indent" }, description = "Indent JSON output", required = false)
private boolean indent = false;
@Override
void run() throws Exception {
String s = getAdmin().brokerStats().getTopics();
JsonObject result = new Gson().fromJson(s, JsonObject.class);
try (Writer out = new OutputStreamWriter(System.out, StandardCharsets.UTF_8);
JsonWriter jsonWriter = new JsonWriter(out)) {
if (indent) {
jsonWriter.setIndent(DEFAULT_INDENTATION);
}
new Gson().toJson(result, jsonWriter);
out.flush();
}
}
}
@Parameters(commandDescription = "dump allocator stats")
private class CmdAllocatorStats extends CliCommand {
@Parameter(description = "allocator-name", required = true)
private List params;
@Override
void run() throws Exception {
AllocatorStats stats = getAdmin().brokerStats().getAllocatorStats(params.get(0));
ObjectMapper mapper = ObjectMapperFactory.create();
ObjectWriter writer = mapper.writerWithDefaultPrettyPrinter();
try (Writer out = new OutputStreamWriter(System.out, StandardCharsets.UTF_8)) {
out.write(writer.writeValueAsString(stats));
out.flush();
}
}
}
public CmdBrokerStats(Supplier admin) {
super("broker-stats", admin);
jcommander.addCommand("monitoring-metrics", new CmdMonitoringMetrics());
jcommander.addCommand("mbeans", new CmdDumpMBeans());
jcommander.addCommand("topics", new CmdTopics(), "destinations");
jcommander.addCommand("allocator-stats", new CmdAllocatorStats());
jcommander.addCommand("load-report", new CmdLoadReport());
}
}
