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66 changes: 66 additions & 0 deletions
66
common/src/main/java/org/astraea/common/metrics/collector/MetricSender.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * 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.astraea.common.metrics.collector; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.concurrent.CompletionStage; | ||
| import org.astraea.common.FutureUtils; | ||
| import org.astraea.common.metrics.BeanObject; | ||
| import org.astraea.common.producer.Producer; | ||
| import org.astraea.common.producer.ProducerConfigs; | ||
| import org.astraea.common.producer.Record; | ||
| import org.astraea.common.producer.Serializer; | ||
|
|
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| public interface MetricSender extends AutoCloseable { | ||
|
|
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| static MetricSender local() { | ||
| return LocalSenderReceiver.of(); | ||
| } | ||
|
|
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| static MetricSender topic(String bootstrapServer) { | ||
| var producer = | ||
| Producer.builder() | ||
| .bootstrapServers(bootstrapServer) | ||
| .keySerializer(Serializer.INTEGER) | ||
| .valueSerializer(Serializer.BEAN_OBJECT) | ||
| .config(ProducerConfigs.ACKS_CONFIG, "0") | ||
| .build(); | ||
| String METRIC_TOPIC = "__metrics"; | ||
| return new MetricSender() { | ||
| @Override | ||
| public CompletionStage<Void> send(int id, Collection<BeanObject> beans) { | ||
| var records = | ||
| beans.stream() | ||
| .map(bean -> Record.builder().topic(METRIC_TOPIC).key(id).value(bean).build()) | ||
| .toList(); | ||
| return FutureUtils.sequence( | ||
| producer.send(records).stream().map(CompletionStage::toCompletableFuture).toList()) | ||
| .thenAccept(ignored -> {}); | ||
| } | ||
|
|
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| @Override | ||
| public void close() { | ||
| producer.close(); | ||
| } | ||
| }; | ||
| } | ||
|
|
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| CompletionStage<Void> send(int id, Collection<BeanObject> beans); | ||
|
|
||
| @Override | ||
| default void close() {} | ||
| } |
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96 changes: 96 additions & 0 deletions
96
common/src/main/java/org/astraea/common/metrics/collector/ServerMetricFetcher.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /* | ||
| * 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.astraea.common.metrics.collector; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.BlockingQueue; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.LinkedBlockingQueue; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import org.apache.kafka.common.metrics.KafkaMetric; | ||
| import org.apache.kafka.common.metrics.MetricsReporter; | ||
| import org.apache.kafka.server.telemetry.ClientTelemetry; | ||
| import org.apache.kafka.server.telemetry.ClientTelemetryReceiver; | ||
| import org.astraea.common.metrics.BeanQuery; | ||
| import org.astraea.common.metrics.JndiClient; | ||
|
|
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| public class ServerMetricFetcher implements MetricsReporter, ClientTelemetry { | ||
| private static final String BOOTSTRAP_SERVERS = "server.metric.fetcher.bootstrap.servers"; | ||
| private String bootstrapServers; | ||
| private int nodeId = -1; | ||
| private final AtomicBoolean closed = new AtomicBoolean(false); | ||
| private final BlockingQueue<Boolean> queue = new LinkedBlockingQueue<>(1); | ||
|
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| @Override | ||
| public void init(List<KafkaMetric> list) {} | ||
|
|
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| @Override | ||
| public void metricChange(KafkaMetric kafkaMetric) {} | ||
|
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| @Override | ||
| public void metricRemoval(KafkaMetric kafkaMetric) {} | ||
|
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| @Override | ||
| public void close() { | ||
| closed.set(true); | ||
| queue.offer(true); | ||
| } | ||
|
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| @Override | ||
| public void configure(Map<String, ?> map) { | ||
| if (!map.containsKey(BOOTSTRAP_SERVERS)) | ||
| throw new RuntimeException(BOOTSTRAP_SERVERS + " is required"); | ||
| if (!map.containsKey("node.id")) throw new RuntimeException("node.id is required"); | ||
| this.bootstrapServers = map.get(BOOTSTRAP_SERVERS).toString(); | ||
| nodeId = Integer.parseInt(map.get("node.id").toString()); | ||
| CompletableFuture.runAsync( | ||
| () -> { | ||
| MetricSender sender = null; | ||
| var lastSent = System.currentTimeMillis(); | ||
| try { | ||
| while (!closed.get()) { | ||
| var done = queue.poll(3, TimeUnit.SECONDS); | ||
| if (done == null) done = false; | ||
| if (done) return; | ||
| if (System.currentTimeMillis() - lastSent <= Duration.ofSeconds(3).toMillis()) | ||
| continue; | ||
| if (sender == null) sender = MetricSender.topic(bootstrapServers); | ||
| var beans = JndiClient.local().beans(BeanQuery.all()); | ||
| System.out.println("[CHIA] send " + beans.size() + " beans"); | ||
| sender.send(nodeId, beans); | ||
| lastSent = System.currentTimeMillis(); | ||
| } | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } finally { | ||
| if (sender != null) sender.close(); | ||
| } | ||
| }); | ||
| } | ||
|
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| @Override | ||
| public ClientTelemetryReceiver clientReceiver() { | ||
| System.out.println("[CHIA] create ClientTelemetryReceiver"); | ||
| return (__, ___) -> { | ||
| queue.offer(false); | ||
| System.out.println("[CHIA] receive ClientTelemetryReceiver"); | ||
| }; | ||
| } | ||
| } |
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