move user agent to registry

docs/attributes-registry/README.md

@@ -30,5 +30,6 @@ Currently, the following namespaces exist:
 * [HTTP](http.md)
 * [Network](network.md)
 * [URL](url.md)
+* [User agent](user-agent.md)
 
 [developers recommendations]: https://github.com/open-telemetry/opentelemetry-specification/tree/v1.26.0/specification/common/attribute-naming.md#recommendations-for-application-developers

docs/attributes-registry/user-agent.md

@@ -0,0 +1,12 @@
+<!--- Hugo front matter used to generate the website version of this page:
+--->
+
+# User agent
+
+## User agent Attributes
+
+<!-- semconv registry.user_agent(omit_requirement_level) -->
+| Attribute  | Type | Description  | Examples  |
+|---|---|---|---|
+| `user_agent.original` | string | Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client. | `CERN-LineMode/2.15 libwww/2.17b3`; `Mozilla/5.0 (iPhone; CPU iPhone OS 14_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1` |
+<!-- endsemconv -->

docs/database/cosmosdb.md

@@ -28,7 +28,7 @@ Cosmos DB instrumentation includes call-level (public API) surface spans and net
 | `db.cosmosdb.request_content_length` | int | Request payload size in bytes |  | Recommended |
 | `db.cosmosdb.status_code` | int | Cosmos DB status code. | `200`; `201` | Conditionally Required: if response was received |
 | `db.cosmosdb.sub_status_code` | int | Cosmos DB sub status code. | `1000`; `1002` | Conditionally Required: [2] |
-| `user_agent.original` | string | Full user-agent string is generated by Cosmos DB SDK [3] | `cosmos-netstandard-sdk/3.23.0\|3.23.1\|1\|X64\|Linux 5.4.0-1098-azure 104 18\|.NET Core 3.1.32\|S\|` | Recommended |
+| [`user_agent.original`](../attributes-registry/user-agent.md) | string | Full user-agent string is generated by Cosmos DB SDK [3] | `cosmos-netstandard-sdk/3.23.0\|3.23.1\|1\|X64\|Linux 5.4.0-1098-azure 104 18\|.NET Core 3.1.32\|S\|` | Recommended |
 
 **[1]:** when performing one of the operations in this list
 

docs/http/http-spans.md

@@ -126,7 +126,7 @@ sections below.
 | [`network.protocol.name`](../attributes-registry/network.md) | string | [OSI application layer](https://osi-model.com/application-layer/) or non-OSI equivalent. [6] | `http`; `spdy` | Opt-In |
 | [`network.protocol.version`](../attributes-registry/network.md) | string | Version of the protocol specified in `network.protocol.name`. [7] | `1.0`; `1.1`; `2`; `3` | Recommended |
 | [`network.transport`](../attributes-registry/network.md) | string | [OSI transport layer](https://osi-model.com/transport-layer/) or [inter-process communication method](https://wikipedia.org/wiki/Inter-process_communication). [8] | `tcp`; `udp` | Opt-In |
-| `user_agent.original` | string | Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client. | `CERN-LineMode/2.15 libwww/2.17b3` | Recommended |
+| [`user_agent.original`](../attributes-registry/user-agent.md) | string | Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client. | `CERN-LineMode/2.15 libwww/2.17b3`; `Mozilla/5.0 (iPhone; CPU iPhone OS 14_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1` | Recommended |
 
 **[1]:** If the request fails with an error before response status code was sent or received,
 `error.type` SHOULD be set to exception type (its fully-qualified class name, if applicable)

docs/resource/browser.md

@@ -15,7 +15,7 @@ All of these attributes can be provided by the user agent itself in the form of
 | `browser.language` | string | Preferred language of the user using the browser [2] | `en`; `en-US`; `fr`; `fr-FR` | Recommended |
 | `browser.mobile` | boolean | A boolean that is true if the browser is running on a mobile device [3] |  | Recommended |
 | `browser.platform` | string | The platform on which the browser is running [4] | `Windows`; `macOS`; `Android` | Recommended |
-| `user_agent.original` | string | Full user-agent string provided by the browser [5] | `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36` | Recommended |
+| [`user_agent.original`](../attributes-registry/user-agent.md) | string | Full user-agent string provided by the browser [5] | `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36` | Recommended |
 
 **[1]:** This value is intended to be taken from the [UA client hints API](https://wicg.github.io/ua-client-hints/#interface) (`navigator.userAgentData.brands`).
 

model/registry/user-agent.yaml

@@ -0,0 +1,12 @@
+groups:
+  - id: registry.user_agent
+    prefix: user_agent
+    type: attribute_group
+    brief: "Describes user-agent attributes."
+    attributes:
+      - id: original
+        type: string
+        brief: >
+          Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client.
+        examples: ['CERN-LineMode/2.15 libwww/2.17b3',
+                   'Mozilla/5.0 (iPhone; CPU iPhone OS 14_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1']