[chore][exporter/awsxray] migrate feature gate to metadata.yaml (#48619)

### Description

Migrate the `exporter.awsxray.skiptimestampvalidation` feature gate from
manual `featuregate.GlobalRegistry().MustRegister()` in `factory.go` to
`metadata.yaml`, letting mdatagen generate the registration code.

### Link to tracking issue

Part of #46116

Author: lazureykis

.golangci.yml

@@ -112,7 +112,7 @@ linters:
       # https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/46116
       - linters:
           - forbidigo
-        path: exporter/awsxrayexporter/
+        path: exporter/awsxrayexporter/internal/translator/
       - linters:
           - forbidigo
         path: internal/filter/

exporter/awsxrayexporter/documentation.md

@@ -0,0 +1,13 @@
+[comment]: <> (Code generated by mdatagen. DO NOT EDIT.)
+
+# awsxray
+
+## Feature Gates
+
+This component has the following feature gates:
+
+| Feature Gate | Stage | Description | From Version | To Version | Reference |
+| ------------ | ----- | ----------- | ------------ | ---------- | --------- |
+| `exporter.awsxray.skiptimestampvalidation` | beta | Remove XRay's timestamp validation on first 32 bits of trace ID | v0.84.0 | N/A | [Link](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/48737) |
+
+For more information about feature gates, see the [Feature Gates](https://github.com/open-telemetry/opentelemetry-collector/blob/main/featuregate/README.md) documentation.

exporter/awsxrayexporter/factory.go

@@ -8,19 +8,12 @@ import (
 
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/exporter"
-	"go.opentelemetry.io/collector/featuregate"
 
 	"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/awsxrayexporter/internal/metadata"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/awsutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/aws/xray/telemetry"
 )
 
-var skipTimestampValidationFeatureGate = featuregate.GlobalRegistry().MustRegister(
-	"exporter.awsxray.skiptimestampvalidation",
-	featuregate.StageBeta,
-	featuregate.WithRegisterDescription("Remove XRay's timestamp validation on first 32 bits of trace ID"),
-	featuregate.WithRegisterFromVersion("v0.84.0"))
-
 // NewFactory creates a factory for AWS-Xray exporter.
 func NewFactory() exporter.Factory {
 	return exporter.NewFactory(
@@ -32,7 +25,7 @@ func NewFactory() exporter.Factory {
 func createDefaultConfig() component.Config {
 	return &Config{
 		AWSSessionSettings:      awsutil.CreateDefaultSessionConfig(),
-		skipTimestampValidation: skipTimestampValidationFeatureGate.IsEnabled(),
+		skipTimestampValidation: metadata.ExporterAwsxraySkiptimestampvalidationFeatureGate.IsEnabled(),
 	}
 }
 

exporter/awsxrayexporter/factory_test.go

@@ -21,10 +21,10 @@ import (
 
 func setSkipTimestampValidation(tb testing.TB, value bool) {
 	tb.Helper()
-	prev := skipTimestampValidationFeatureGate.IsEnabled()
-	require.NoError(tb, featuregate.GlobalRegistry().Set(skipTimestampValidationFeatureGate.ID(), value))
+	prev := metadata.ExporterAwsxraySkiptimestampvalidationFeatureGate.IsEnabled()
+	require.NoError(tb, featuregate.GlobalRegistry().Set(metadata.ExporterAwsxraySkiptimestampvalidationFeatureGate.ID(), value))
 	tb.Cleanup(func() {
-		require.NoError(tb, featuregate.GlobalRegistry().Set(skipTimestampValidationFeatureGate.ID(), prev))
+		require.NoError(tb, featuregate.GlobalRegistry().Set(metadata.ExporterAwsxraySkiptimestampvalidationFeatureGate.ID(), prev))
 	})
 }
 

exporter/awsxrayexporter/internal/metadata/generated_feature_gates.go

@@ -9,6 +9,13 @@ status:
   codeowners:
     active: [wangzlei, srprash]
 
+feature_gates:
+  - id: exporter.awsxray.skiptimestampvalidation
+    description: "Remove XRay's timestamp validation on first 32 bits of trace ID"
+    stage: beta
+    from_version: v0.84.0
+    reference_url: https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/48737
+
 tests:
   config:
     region: 'us-west-2'