[receiver/tls_check] rename to tls_check with deprecated alias tlscheck

.chloggen/config.yaml

@@ -331,7 +331,7 @@ components:
     - receiver/systemd
     - receiver/tcp_log
     - receiver/tcpcheck
-    - receiver/tlscheck
+    - receiver/tls_check
     - receiver/udp_log
     - receiver/vcenter
     - receiver/vcr

.chloggen/rename-tls-check-receiver.yaml

@@ -0,0 +1,13 @@
+# Use this changelog template to create an entry for release notes.
+
+change_type: deprecation
+
+component: receiver/tls_check
+
+note: Rename `tlscheck` receiver to `tls_check` with deprecated alias `tlscheck`
+
+issues: [45339]
+
+subtext:
+
+change_logs: [user]

receiver/tlscheckreceiver/README.md

@@ -21,11 +21,14 @@ By default, the TLS Check Receiver will emit a single metric, `tlscheck.time_lef
 
 ## Example Configuration
 
+> **Note:** This receiver was renamed from `tlscheck` to `tls_check` to match the snake_case naming convention.
+> The deprecated component type `tlscheck` is still accepted as an alias and will log a deprecation warning.
+
 Targets are configured as a remote endpoint accessed via TCP, a PEM-encoded certificate file stored locally on disk, or a Java-format keystore file (JKS or PKCS#12).
 
 ```yaml
 receivers:
-  tlscheck:
+  tls_check:
     targets:
       # Monitor a local PEM file (default when no file_format is set)
       - file_path: /etc/istio/certs/cert-chain.pem

receiver/tlscheckreceiver/documentation.md

@@ -1,6 +1,6 @@
 [comment]: <> (Code generated by mdatagen. DO NOT EDIT.)
 
-# tlscheck
+# tls_check
 
 ## Default Metrics
 

receiver/tlscheckreceiver/factory.go

@@ -10,6 +10,7 @@ import (
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/consumer"
 	"go.opentelemetry.io/collector/receiver"
+	"go.opentelemetry.io/collector/receiver/xreceiver"
 	collectorscraper "go.opentelemetry.io/collector/scraper"
 	"go.opentelemetry.io/collector/scraper/scraperhelper"
 
@@ -19,10 +20,12 @@ import (
 var errConfigNotTLSCheck = errors.New(`invalid config`)
 
 func NewFactory() receiver.Factory {
-	return receiver.NewFactory(
+	return xreceiver.NewFactory(
 		metadata.Type,
 		newDefaultConfig,
-		receiver.WithMetrics(newReceiver, metadata.MetricsStability))
+		xreceiver.WithMetrics(newReceiver, metadata.MetricsStability),
+		xreceiver.WithDeprecatedTypeAlias(metadata.DeprecatedType),
+	)
 }
 
 func newDefaultConfig() component.Config {

receiver/tlscheckreceiver/go.mod

@@ -17,6 +17,7 @@ require (
 	go.opentelemetry.io/collector/pdata v1.55.1-0.20260408002112-999af6320692
 	go.opentelemetry.io/collector/receiver v1.55.1-0.20260408002112-999af6320692
 	go.opentelemetry.io/collector/receiver/receivertest v0.149.1-0.20260408002112-999af6320692
+	go.opentelemetry.io/collector/receiver/xreceiver v0.149.1-0.20260408002112-999af6320692
 	go.opentelemetry.io/collector/scraper v0.149.1-0.20260408002112-999af6320692
 	go.opentelemetry.io/collector/scraper/scraperhelper v0.149.1-0.20260408002112-999af6320692
 	go.uber.org/goleak v1.3.0
@@ -53,7 +54,6 @@ require (
 	go.opentelemetry.io/collector/pipeline v1.55.1-0.20260408002112-999af6320692 // indirect
 	go.opentelemetry.io/collector/pipeline/xpipeline v0.149.1-0.20260408002112-999af6320692 // indirect
 	go.opentelemetry.io/collector/receiver/receiverhelper v0.149.1-0.20260408002112-999af6320692 // indirect
-	go.opentelemetry.io/collector/receiver/xreceiver v0.149.1-0.20260408002112-999af6320692 // indirect
 	go.opentelemetry.io/otel v1.43.0 // indirect
 	go.opentelemetry.io/otel/metric v1.43.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.43.0 // indirect

receiver/tlscheckreceiver/internal/metadata/config.schema.yaml

@@ -1,7 +1,7 @@
 # Code generated by mdatagen. DO NOT EDIT.
 $defs:
   metrics_config:
-    description: MetricsConfig provides config for tlscheck metrics.
+    description: MetricsConfig provides config for tls_check metrics.
     type: object
     properties:
       tlscheck.time_left:
@@ -12,7 +12,7 @@ $defs:
             type: boolean
             default: true
   resource_attributes_config:
-    description: ResourceAttributesConfig provides config for tlscheck resource attributes.
+    description: ResourceAttributesConfig provides config for tls_check resource attributes.
     type: object
     properties:
       tlscheck.target:
@@ -33,7 +33,7 @@ $defs:
             items:
               $ref: go.opentelemetry.io/collector/filter.config
   metrics_builder_config:
-    description: MetricsBuilderConfig is a configuration for tlscheck metrics builder.
+    description: MetricsBuilderConfig is a configuration for tls_check metrics builder.
     type: object
     properties:
       metrics:

receiver/tlscheckreceiver/metadata.yaml

@@ -1,5 +1,6 @@
 display_name: TLS Check Receiver
-type: tlscheck
+type: tls_check
+deprecated_type: tlscheck
 
 description: This receiver emits metrics about x.509 certificates.
 

reports/distributions/contrib.yaml

@@ -226,7 +226,7 @@ components:
         - systemd
         - tcp_log
         - tcpcheck
-        - tlscheck
+        - tls_check
         - udp_log
         - vcenter
         - wavefront