Disallow class and stability for non-components packages

Signed-off-by: Bogdan Drutu <[email protected]>

.chloggen/rm-usage-of-stability-class.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: mdatagen
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Disallow class and stability for non-components packages
+
+# One or more tracking issues or pull requests related to the change
+issues: [11518]
+
+# (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:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

cmd/mdatagen/internal/validate.go

@@ -57,10 +57,20 @@ func (md *Metadata) validateStatus() error {
 		return nil
 	}
 
-	var errs error
 	if md.Status == nil {
 		return errors.New("missing status")
 	}
+
+	var errs error
+	if md.Status.NotComponent {
+		if md.Status.Class != "" {
+			errs = errors.Join(errs, errors.New("class should not be configured for non-components"))
+		}
+		if len(md.Status.Stability) != 0 {
+			errs = errors.Join(errs, errors.New("stability should not be configured for non-components"))
+		}
+		return errs
+	}
 	if err := md.Status.validateClass(); err != nil {
 		errs = errors.Join(errs, err)
 	}

exporter/exporterhelper/metadata.yaml

@@ -2,10 +2,7 @@ type: exporterhelper
 github_project: open-telemetry/opentelemetry-collector
 
 status:
-  class: exporter
   not_component: true
-  stability:
-    beta: [traces, metrics, logs]
 
 telemetry:
   metrics:

processor/processorhelper/metadata.yaml

@@ -1,10 +1,7 @@
 type: processorhelper
 
 status:
-  class: processor
   not_component: true
-  stability:
-    beta: [traces, metrics, logs]
 
 telemetry:
   metrics:

receiver/receiverhelper/metadata.yaml

@@ -2,10 +2,7 @@ type: receiverhelper
 github_project: open-telemetry/opentelemetry-collector
 
 status:
-  class: receiver
   not_component: true
-  stability:
-    beta: [traces, metrics, logs]
 
 telemetry:
   metrics:

receiver/scraperhelper/metadata.yaml

@@ -2,10 +2,7 @@ type: scraperhelper
 github_project: open-telemetry/opentelemetry-collector
 
 status:
-  class: receiver
   not_component: true
-  stability:
-    beta: [traces, metrics, logs]
 
 telemetry:
   metrics: