Add "/" to valid characters for instrument names

open-telemetry · Sep 7, 2023 · d994745 · d994745
1 parent e5b3109
commit d994745
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -27,6 +27,8 @@ release.
   ([#3670](https://github.com/open-telemetry/opentelemetry-specification/pull/3670))
 - Rename "advice" to "advisory parameters".
   ([#3662](https://github.com/open-telemetry/opentelemetry-specification/pull/3662))
+- Add "/" to valid characters for instrument names
+  ([#3684](https://github.com/open-telemetry/opentelemetry-specification/pull/3684))
 
 ### Logs
 

diff --git a/specification/metrics/api.md b/specification/metrics/api.md
@@ -206,7 +206,7 @@ The instrument name syntax is defined below using the [Augmented Backus-Naur
 Form](https://tools.ietf.org/html/rfc5234):
 
 ```abnf
-instrument-name = ALPHA 0*254 ("_" / "." / "-" / ALPHA / DIGIT)
+instrument-name = ALPHA 0*254 ("_" / "." / "-" / "/" / ALPHA / DIGIT)
 
 ALPHA = %x41-5A / %x61-7A; A-Z / a-z
 DIGIT = %x30-39 ; 0-9
@@ -215,8 +215,8 @@ DIGIT = %x30-39 ; 0-9
 * They are not null or empty strings.
 * They are case-insensitive, ASCII strings.
 * The first character must be an alphabetic character.
-* Subsequent characters must belong to the alphanumeric characters, '_', '.',
-  and '-'.
+* Subsequent characters must belong to the alphanumeric characters, '_', '.', '-',
+  and '/'.
 * They can have a maximum length of 255 characters.
 
 #### Instrument unit