Add specific attributes for Apache RocketMQ

CHANGELOG.md

@@ -28,9 +28,10 @@ release.
   ([#1973](https://github.com/open-telemetry/opentelemetry-specification/pull/1973))
 - Add Tencent Cloud as a cloud provider.
   ([#2006](https://github.com/open-telemetry/opentelemetry-specification/pull/2006))
-
 - Don't set Span.Status for 4xx http status codes for SERVER spans.
   ([#1998](https://github.com/open-telemetry/opentelemetry-specification/pull/1998))
+- Add attributes for Apache RocketMQ.
+  ([#1904](https://github.com/open-telemetry/opentelemetry-specification/pull/1904))
 
 ### Compatibility
 

semantic_conventions/trace/messaging.yaml

@@ -9,7 +9,7 @@ groups:
         type: string
         required: always
         brief: 'A string identifying the messaging system.'
-        examples: ['kafka', 'rabbitmq', 'activemq', 'AmazonSQS']
+        examples: ['kafka', 'rabbitmq', 'rocketmq', 'activemq', 'AmazonSQS']
       - id: destination
         type: string
         required: always
@@ -180,3 +180,68 @@ groups:
         required:
           conditional: 'If missing, it is assumed to be false.'
         brief: 'A boolean that is true if the message is a tombstone.'
+
+  - id: messaging.rocketmq
+    prefix: messaging.rocketmq
+    extends: messaging
+    brief: >
+      Attributes for Apache RocketMQ
+    attributes:
+      - id: namespace
+        type: string
+        required: always
+        brief: >
+          Namespace of RocketMQ resources, resources in different namespaces are individual.
+        examples: 'myNamespace'
+      - id: client_group
+        type: string
+        required: always
+        brief: >
+          Name of the RocketMQ producer/consumer group that is handling the message. The client type is identified by the SpanKind.
+        examples: 'myConsumerGroup'
+      - id: client_id
+        type: string
+        required: always
+        brief: >
+          The unique identifier for each client.
+        examples: 'myhost@8742@s8083jm'
+      - id: message_type
+        type:
+          allow_custom_values: false
+          members:
+            - id: normal
+              value: 'normal'
+              brief: "Normal message"
+            - id: fifo
+              value: 'fifo'
+              brief: 'FIFO message'
+            - id: delay
+              value: 'delay'
+              brief: 'Delay message'
+            - id: transaction
+              value: 'transaction'
+              brief: 'Transaction message'
+        brief: >
+          Type of message.
+      - id: message_tag
+        type: string
+        brief: >
+          The secondary classifier of message besides topic.
+        examples: tagA
+      - id: message_keys
+        type: string[]
+        brief: >
+          Key(s) of message, another way to mark message besides message id.
+        examples: ['keyA', 'keyB']
+      - id: consumption_model
+        type:
+          allow_custom_values: false
+          members:
+            - id: clustering
+              value: 'clustering'
+              brief: 'Clustering consumption model'
+            - id: broadcasting
+              value: 'broadcasting'
+              brief: 'Broadcasting consumption model'
+        brief: >
+          Model of message consumption. This only applies to consumer spans.

specification/trace/semantic_conventions/messaging.md

@@ -19,6 +19,7 @@
   * [Attributes specific to certain messaging systems](#attributes-specific-to-certain-messaging-systems)
     + [RabbitMQ](#rabbitmq)
     + [Apache Kafka](#apache-kafka)
+    + [Apache RocketMQ](#apache-rocketmq)
 - [Examples](#examples)
   * [Topic with multiple consumers](#topic-with-multiple-consumers)
   * [Apache Kafka with Quarkus or Spring Boot Example](#apache-kafka-with-quarkus-or-spring-boot-example)
@@ -127,7 +128,7 @@ The following operations related to messages are defined for these semantic conv
 <!-- semconv messaging -->
 | Attribute  | Type | Description  | Examples  | Required |
 |---|---|---|---|---|
-| `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `activemq`; `AmazonSQS` | Yes |
+| `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Yes |
 | `messaging.destination` | string | The message destination name. This might be equal to the span name but is required nevertheless. | `MyQueue`; `MyTopic` | Yes |
 | `messaging.destination_kind` | string | The kind of message destination | `queue` | Conditional [1] |
 | `messaging.temp_destination` | boolean | A boolean that is true if the message destination is temporary. |  | If missing, it is assumed to be false. |
@@ -217,6 +218,38 @@ For Apache Kafka producers, [`peer.service`](./span-general.md#general-remote-se
 The `service.name` of a Consumer's Resource SHOULD match the `peer.service` of the Producer, when the message is directly passed to another service.
 If an intermediary broker is present, `service.name` and `peer.service` will not be the same.
 
+#### Apache RocketMQ
+
+Specific attributes for Apache RocketMQ are defined below.
+
+<!-- semconv messaging.rocketmq -->
+| Attribute  | Type | Description  | Examples  | Required |
+|---|---|---|---|---|
+| `messaging.rocketmq.namespace` | string | Namespace of RocketMQ resources, resources in different namespaces are individual. | `myNamespace` | Yes |
+| `messaging.rocketmq.client_group` | string | Name of the RocketMQ producer/consumer group that is handling the message. The client type is identified by the SpanKind. | `myConsumerGroup` | Yes |
+| `messaging.rocketmq.client_id` | string | The unique identifier for each client. | `myhost@8742@s8083jm` | Yes |
+| `messaging.rocketmq.message_type` | string | Type of message. | `normal` | No |
+| `messaging.rocketmq.message_tag` | string | The secondary classifier of message besides topic. | `tagA` | No |
+| `messaging.rocketmq.message_keys` | string[] | Key(s) of message, another way to mark message besides message id. | `[keyA, keyB]` | No |
+| `messaging.rocketmq.consumption_model` | string | Model of message consumption. This only applies to consumer spans. | `clustering` | No |
+
+`messaging.rocketmq.message_type` MUST be one of the following:
+
+| Value  | Description |
+|---|---|
+| `normal` | Normal message |
+| `fifo` | FIFO message |
+| `delay` | Delay message |
+| `transaction` | Transaction message |
+
+`messaging.rocketmq.consumption_model` MUST be one of the following:
+
+| Value  | Description |
+|---|---|
+| `clustering` | Clustering consumption model |
+| `broadcasting` | Broadcasting consumption model |
+<!-- endsemconv -->
+
 ## Examples
 
 ### Topic with multiple consumers