Update peer.* namespace to account for service.namespace

.chloggen/2807-update-peer-namespace.yaml

@@ -0,0 +1,13 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+component: peer
+note: Update peer.* namespace to mirror service.*.
+issues: [2807]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext: |
+  Rename peer.service to peer.service.name and introduces peer.service.namespace
+  to support matching the usage of service.namespace + service.name as identity
+  for services.

docs/general/attributes.md

@@ -368,7 +368,8 @@ Instrumentations SHOULD provide a way for users to configure this name.
 
 | Attribute  | Type | Description  | Examples  | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Stability |
 |---|---|---|---|---|---|
-| [`peer.service`](/docs/registry/attributes/peer.md) | string | The [`service.name`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.name` resource attribute of the remote service if any. | `AuthTokenCache` | `Recommended` | ![Development](https://img.shields.io/badge/-development-blue) |
+| [`peer.service.name`](/docs/registry/attributes/peer.md) | string | The [`service.name`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.name` resource attribute of the remote service if any. | `shoppingcart` | `Recommended` | ![Development](https://img.shields.io/badge/-development-blue) |
+| [`peer.service.namespace`](/docs/registry/attributes/peer.md) | string | The [`service.namespace`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.namespace` resource attribute of the remote service if any. | `Shop` | `Recommended` | ![Development](https://img.shields.io/badge/-development-blue) |
 
 <!-- markdownlint-restore -->
 <!-- prettier-ignore-end -->

docs/registry/attributes/peer.md

@@ -9,4 +9,6 @@ Operations that access some remote service.
 
 | Attribute | Type | Description | Examples | Stability |
 |---|---|---|---|---|
-| <a id="peer-service" href="#peer-service">`peer.service`</a> | string | The [`service.name`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.name` resource attribute of the remote service if any. | `AuthTokenCache` | ![Development](https://img.shields.io/badge/-development-blue) |
+| <a id="peer-service" href="#peer-service">`peer.service`</a> | string | The [`service.name`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.name` resource attribute of the remote service if any. | `AuthTokenCache` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `peer.service.name`. |
+| <a id="peer-service-name" href="#peer-service-name">`peer.service.name`</a> | string | The [`service.name`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.name` resource attribute of the remote service if any. | `shoppingcart` | ![Development](https://img.shields.io/badge/-development-blue) |
+| <a id="peer-service-namespace" href="#peer-service-namespace">`peer.service.namespace`</a> | string | The [`service.namespace`](/docs/resource/README.md#service) of the remote service. SHOULD be equal to the actual `service.namespace` resource attribute of the remote service if any. | `Shop` | ![Development](https://img.shields.io/badge/-development-blue) |

model/peer/common.yaml

@@ -3,5 +3,7 @@ groups:
     type: attribute_group
     brief: "Operations that access some remote service."
     attributes:
-      - ref: peer.service
+      - ref: peer.service.name
+        requirement_level: recommended
+      - ref: peer.service.namespace
         requirement_level: recommended

model/peer/registry.yaml

@@ -13,3 +13,22 @@ groups:
           of the remote service. SHOULD be equal to the actual `service.name`
           resource attribute of the remote service if any.
         examples: "AuthTokenCache"
+        deprecated:
+          reason: renamed
+          renamed_to: peer.service.name
+      - id: peer.service.name
+        type: string
+        stability: development
+        brief: >
+          The [`service.name`](/docs/resource/README.md#service)
+          of the remote service. SHOULD be equal to the actual `service.name`
+          resource attribute of the remote service if any.
+        examples: "shoppingcart"
+      - id: peer.service.namespace
+        type: string
+        stability: development
+        brief: >
+          The [`service.namespace`](/docs/resource/README.md#service)
+          of the remote service. SHOULD be equal to the actual `service.namespace`
+          resource attribute of the remote service if any.
+        examples: "Shop"