[receiver/elasticsearch] Remove feature gate

Author: djaglowski

.chloggen/featuregate-elasticsearch-remove.yaml

@@ -0,0 +1,27 @@
+# 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. filelogreceiver)
+component: receiver/elasticsearch
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Remove receiver.elasticsearch.emitNodeVersionAttr feature gate
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [31221]
+
+# (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:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# 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: []

receiver/elasticsearchreceiver/README.md

@@ -66,15 +66,3 @@ The following metric are available with versions:
 - `elasticsearch.cluster.state_update.time` >= [7.16.0](https://www.elastic.co/guide/en/elasticsearch/reference/7.16/release-notes-7.16.0.html)
 
 Details about the metrics produced by this receiver can be found in [metadata.yaml](./metadata.yaml)
-
-## Feature gate configurations
-
-See the [Collector feature gates](https://github.com/open-telemetry/opentelemetry-collector/blob/main/featuregate/README.md#collector-feature-gates) for an overview of feature gates in the collector.
-
-**BETA**: `receiver.elasticsearch.emitNodeVersionAttr`
-
-The feature gate `receiver.elasticsearch.emitNodeVersionAttr` when enabled will enrich all node metrics with an
-resource attribute representing the node version.
-
-This feature gate is enabled by default, and eventually the old implementation will be removed. It aims to give users time
-to migrate to the new implementation. The target release for this featuregate to be permanently enabled is 0.82.0.

receiver/elasticsearchreceiver/scraper.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/hashicorp/go-version"
 	"go.opentelemetry.io/collector/component"
-	"go.opentelemetry.io/collector/featuregate"
 	"go.opentelemetry.io/collector/pdata/pcommon"
 	"go.opentelemetry.io/collector/pdata/pmetric"
 	"go.opentelemetry.io/collector/receiver"
@@ -30,14 +29,6 @@ var (
 		v, _ := version.NewVersion("7.13")
 		return v
 	}()
-
-	_ = featuregate.GlobalRegistry().MustRegister(
-		"receiver.elasticsearch.emitNodeVersionAttr",
-		featuregate.StageStable,
-		featuregate.WithRegisterToVersion("0.82.0"),
-		featuregate.WithRegisterDescription("All node metrics will be enriched with the node version resource attribute."),
-		featuregate.WithRegisterReferenceURL("https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/16847"),
-	)
 )
 
 var errUnknownClusterStatus = errors.New("unknown cluster status")