com.rabbitmq.client.amqp.observation.micrometer.DefaultPublishObservationConvention Maven / Gradle / Ivy

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The RabbitMQ AMQP 1.0 Java client library defines an API to access RabbitMQ with the AMQP 1.0 protocol.

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// Copyright (c) 2024 Broadcom. All Rights Reserved.
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//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
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//
// 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.
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package com.rabbitmq.client.amqp.observation.micrometer;

import io.micrometer.common.KeyValues;
import io.micrometer.common.util.StringUtils;

/** Default {@link io.micrometer.observation.ObservationConvention} for publishing. */
public class DefaultPublishObservationConvention implements PublishObservationConvention {

  private static final String OPERATION = "publish";
  private static final String OPERATION_SUFFIX = " " + OPERATION;

  @Override
  public String getName() {
    return "rabbitmq.amqp.publish";
  }

  @Override
  public String getContextualName(PublishContext context) {
    return exchange(context.exchange()) + OPERATION_SUFFIX;
  }

  private String exchange(String destination) {
    return StringUtils.isNotBlank(destination) ? destination : "amq.default";
  }

  @Override
  public KeyValues getLowCardinalityKeyValues(PublishContext context) {
    return KeyValues.of(
        AmqpObservationDocumentation.LowCardinalityTags.MESSAGING_OPERATION.withValue(OPERATION),
        AmqpObservationDocumentation.LowCardinalityTags.MESSAGING_SYSTEM.withValue("rabbitmq"),
        AmqpObservationDocumentation.LowCardinalityTags.NET_PROTOCOL_NAME.withValue("amqp"),
        AmqpObservationDocumentation.LowCardinalityTags.NET_PROTOCOL_VERSION.withValue("1.0"));
  }

  @Override
  public KeyValues getHighCardinalityKeyValues(PublishContext context) {
    KeyValues keyValues =
        KeyValues.of(
            AmqpObservationDocumentation.HighCardinalityTags.MESSAGING_DESTINATION_NAME.withValue(
                context.exchange()),
            AmqpObservationDocumentation.HighCardinalityTags.MESSAGING_MESSAGE_PAYLOAD_SIZE_BYTES
                .withValue(String.valueOf(context.payloadSizeBytes())),
            AmqpObservationDocumentation.HighCardinalityTags.NET_SOCK_PEER_ADDR.withValue(
                context.peerAddress()),
            AmqpObservationDocumentation.HighCardinalityTags.NET_SOCK_PEER_PORT.withValue(
                String.valueOf(context.peerPort())));
    if (context.routingKey() != null) {
      keyValues =
          keyValues.and(
              AmqpObservationDocumentation.HighCardinalityTags.MESSAGING_ROUTING_KEY.withValue(
                  context.routingKey()));
    }
    if (context.messageId() != null) {
      keyValues =
          keyValues.and(
              AmqpObservationDocumentation.HighCardinalityTags.MESSAGING_MESSAGE_ID.withValue(
                  context.messageId()));
    }
    if (context.correlationId() != null) {
      keyValues =
          keyValues.and(
              AmqpObservationDocumentation.HighCardinalityTags.MESSAGING_MESSAGE_CONVERSATION_ID
                  .withValue(context.correlationId()));
    }
    return keyValues;
  }
}