Create lookup for OS build ID

.chloggen/add_lookup_for_os.yaml

@@ -0,0 +1,22 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: os
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: add lookup for os.build_id
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [1318]
+
+# (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:

docs/resource/os.md

@@ -18,11 +18,21 @@ In case of virtualized environments, this is the operating system as it is obser
 | Attribute  | Type | Description  | Examples  | [Requirement Level](https://opentelemetry.io/docs/specs/semconv/general/attribute-requirement-level/) | Stability |
 |---|---|---|---|---|---|
 | [`os.type`](/docs/attributes-registry/os.md) | string | The operating system type. | `windows`; `linux`; `darwin` | `Required` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
-| [`os.build_id`](/docs/attributes-registry/os.md) | string | Unique identifier for a particular build or compilation of the operating system. | `TQ3C.230805.001.B2`; `20E247`; `22621` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| [`os.build_id`](/docs/attributes-registry/os.md) | string | Unique identifier for a particular build or compilation of the operating system. [1] | `TQ3C.230805.001.B2`; `20E247`; `22621` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 | [`os.description`](/docs/attributes-registry/os.md) | string | Human readable (not intended to be parsed) OS version information, like e.g. reported by `ver` or `lsb_release -a` commands. | `Microsoft Windows [Version 10.0.18363.778]`; `Ubuntu 18.04.1 LTS` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 | [`os.name`](/docs/attributes-registry/os.md) | string | Human readable operating system name. | `iOS`; `Android`; `Ubuntu` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 | [`os.version`](/docs/attributes-registry/os.md) | string | The version string of the operating system as defined in [Version Attributes](/docs/resource/README.md#version-attributes). | `14.2.1`; `18.04.1` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
 
+**[1]:** `build_id` values SHOULD be obtained from the following sources:
+
+| OS | Primary | Fallback |
+| ------- | ------- | ------- |
+| Windows | `CurrentBuildNumber` from registry `HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion` | - |
+| MacOS | `ProductBuildVersion` from `/System/Library/CoreServices/SystemVersion.plist` | `ProductBuildVersion` from `/System/Library/CoreServices/ServerVersion.plist` |
+| Linux | `BUILD_ID` from `/etc/os-release` | `BUILD_ID` from `/usr/lib/os-release`; <br> contents of `/proc/sys/kernel/osrelease`|
+
+
+
 `os.type` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
 
 | Value  | Description | Stability |

model/resource/os.yaml

@@ -13,3 +13,16 @@ groups:
       - ref: os.name
       - ref: os.version
       - ref: os.build_id
+        note: >
+          `build_id` values SHOULD be obtained from the following sources:
+
+
+          | OS | Primary | Fallback |
+
+          | ------- | ------- | ------- |
+
+          | Windows | `CurrentBuildNumber` from registry `HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion` | - |
+
+          | MacOS | `ProductBuildVersion` from `/System/Library/CoreServices/SystemVersion.plist` | `ProductBuildVersion` from `/System/Library/CoreServices/ServerVersion.plist` |
+
+          | Linux | `BUILD_ID` from `/etc/os-release` | `BUILD_ID` from `/usr/lib/os-release`; <br> contents of `/proc/sys/kernel/osrelease`|