[otel] Add Logstash exporter to OTel mode

changelog/fragments/1758747376-add-logstash-exporter.yaml

@@ -0,0 +1,45 @@
+# REQUIRED
+# Kind can be one of:
+# - breaking-change: a change to previously-documented behavior
+# - deprecation: functionality that is being removed in a later release
+# - bug-fix: fixes a problem in a previous version
+# - enhancement: extends functionality but does not break or fix existing behavior
+# - feature: new functionality
+# - known-issue: problems that we are aware of in a given version
+# - security: impacts on the security of a product or a user’s deployment.
+# - upgrade: important information for someone upgrading from a prior version
+# - other: does not fit into any of the other categories
+kind: feature
+
+# REQUIRED for all kinds
+# Change summary; a 80ish characters long description of the change.
+summary: Add Logstash exporter to be used with Beats OTel receivers
+
+# REQUIRED for breaking-change, deprecation, known-issue
+# Long description; in case the summary is not enough to describe the change
+# this field accommodate a description without length limits.
+# description:
+
+# REQUIRED for breaking-change, deprecation, known-issue
+# impact:
+
+# REQUIRED for breaking-change, deprecation, known-issue
+# action:
+
+# REQUIRED for all kinds
+# Affected component; usually one of "elastic-agent", "fleet-server", "filebeat", "metricbeat", "auditbeat", "all", etc.
+component: elastic-agent
+
+# AUTOMATED
+# OPTIONAL to manually add other PR URLs
+# PR URL: A link the PR that added the changeset.
+# If not present is automatically filled by the tooling finding the PR where this changelog fragment has been added.
+# NOTE: the tooling supports backports, so it's able to fill the original PR number instead of the backport PR number.
+# Please provide it if you are adding a fragment for a different PR.
+# pr: https://github.com/owner/repo/1234
+
+# AUTOMATED
+# OPTIONAL to manually add other issue URLs
+# Issue URL; optional; the GitHub issue related to this changeset (either closes or is part of).
+# If not present is automatically filled by the tooling with the issue linked to the PR number.
+# issue: https://github.com/owner/repo/1234

internal/pkg/otel/components.go

@@ -66,6 +66,8 @@ import (
 	"go.opentelemetry.io/collector/exporter/otlpexporter"
 	otlphttpexporter "go.opentelemetry.io/collector/exporter/otlphttpexporter"
 
+	"github.com/elastic/beats/v7/x-pack/otel/exporter/logstashexporter"
+
 	// Extensions
 	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/bearertokenauthextension"
 	headersetterextension "github.com/open-telemetry/opentelemetry-collector-contrib/extension/headerssetterextension"
@@ -163,6 +165,7 @@ func components(extensionFactories ...extension.Factory) func() (otelcol.Factori
 			loadbalancingexporter.NewFactory(),
 			otlphttpexporter.NewFactory(),
 			nopexporter.NewFactory(),
+			logstashexporter.NewFactory(),
 		}
 		// some exporters should only be available when
 		// not in fips mode due to restrictions on crypto usage

internal/pkg/otel/testdata/all-components.yml

@@ -10,6 +10,8 @@ exporters:
   otlphttp:
     endpoint: https://localhost.com:4318
   nop:
+  logstash:
+    hosts: ["localhost:5044"]
 
 extensions:
   health_check: