Add starters for Micrometer Metrics

This commit adds spring-boot-starter-micrometer-metrics and
spring-boot-starter-micrometer-metrics-test.

It also uses the new starters in smoke tests and in other starters,
which depended on spring-boot-micrometer-metrics.

Closes gh-48161

platform/spring-boot-dependencies/build.gradle

@@ -2205,6 +2205,8 @@ bom {
 				"spring-boot-starter-logging",
 				"spring-boot-starter-mail",
 				"spring-boot-starter-mail-test",
+				"spring-boot-starter-micrometer-metrics",
+				"spring-boot-starter-micrometer-metrics-test",
 				"spring-boot-starter-mongodb",
 				"spring-boot-starter-mongodb-test",
 				"spring-boot-starter-mustache",

settings.gradle

@@ -303,6 +303,8 @@ include "starter:spring-boot-starter-logback"
 include "starter:spring-boot-starter-logging"
 include "starter:spring-boot-starter-mail"
 include "starter:spring-boot-starter-mail-test"
+include "starter:spring-boot-starter-micrometer-metrics"
+include "starter:spring-boot-starter-micrometer-metrics-test"
 include "starter:spring-boot-starter-mongodb"
 include "starter:spring-boot-starter-mongodb-test"
 include "starter:spring-boot-starter-mustache"

smoke-test/spring-boot-smoke-test-prometheus/build.gradle

@@ -28,7 +28,7 @@ dependencies {
 
 	runtimeOnly('io.micrometer:micrometer-registry-prometheus')
 
-	testImplementation(project(":module:spring-boot-micrometer-metrics-test"))
+	testImplementation(project(":starter:spring-boot-starter-micrometer-metrics-test"))
 	testImplementation(project(":starter:spring-boot-starter-webmvc-test"))
 }
 

starter/spring-boot-starter-actuator-test/build.gradle

@@ -23,6 +23,5 @@ description = "Starter for testing Spring Boot's Actuator which provides product
 dependencies {
 	api(project(":starter:spring-boot-starter-actuator"))
 	api(project(":starter:spring-boot-starter-test"))
-
-	api(project(":module:spring-boot-micrometer-metrics-test"))
+	api(project(":starter:spring-boot-starter-micrometer-metrics-test"))
 }

starter/spring-boot-starter-actuator/build.gradle

@@ -22,10 +22,10 @@ description = "Starter for using Spring Boot's Actuator which provides productio
 
 dependencies {
 	api(project(":starter:spring-boot-starter"))
+	api(project(":starter:spring-boot-starter-micrometer-metrics"))
 
 	api(project(":module:spring-boot-actuator-autoconfigure"))
 	api(project(":module:spring-boot-health"))
-	api(project(":module:spring-boot-micrometer-metrics"))
 
 	api("io.micrometer:micrometer-observation")
 	api("io.micrometer:micrometer-jakarta9")

starter/spring-boot-starter-micrometer-metrics-test/build.gradle

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+	id "org.springframework.boot.starter"
+}
+
+description = "Starter for testing Micrometer Metrics"
+
+dependencies {
+	api(project(":starter:spring-boot-starter-micrometer-metrics"))
+	api(project(":starter:spring-boot-starter-test"))
+
+	api(project(":module:spring-boot-micrometer-metrics-test"))
+}

starter/spring-boot-starter-micrometer-metrics/build.gradle

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+	id "org.springframework.boot.starter"
+}
+
+description = "Starter for using Micrometer Metrics"
+
+dependencies {
+	api(project(":starter:spring-boot-starter"))
+
+	api(project(":module:spring-boot-micrometer-metrics"))
+}

starter/spring-boot-starter-opentelemetry-test/build.gradle

@@ -23,7 +23,7 @@ description = "Starter for testing OpenTelemetry"
 dependencies {
 	api(project(":starter:spring-boot-starter-opentelemetry"))
 	api(project(":starter:spring-boot-starter-test"))
+	api(project(":starter:spring-boot-starter-micrometer-metrics-test"))
 
-	api(project(":module:spring-boot-micrometer-metrics-test"))
 	api(project(":module:spring-boot-micrometer-tracing-test"))
 }

starter/spring-boot-starter-opentelemetry/build.gradle

@@ -22,7 +22,7 @@ description = "Starter for using OpenTelemetry"
 
 dependencies {
 	api(project(":starter:spring-boot-starter"))
-	api(project(":module:spring-boot-micrometer-metrics"))
+	api(project(":starter:spring-boot-starter-micrometer-metrics"))
 	api(project(":module:spring-boot-micrometer-tracing-opentelemetry"))
 	api(project(":module:spring-boot-opentelemetry"))