Avoid loading health classes in Cloud Foundry

Move the Cloud Foundry health endpoint extension bean into a
health-specific configuration. This lets the actuator configuration
refresh when spring-boot-health is absent.

See spring-projectsgh-50857

Signed-off-by: Lee JiWon <dlwldnjs1009@gmail.com>

Author: dlwldnjs1009

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryActuatorAutoConfiguration.java

@@ -86,15 +86,6 @@ public class CloudFoundryActuatorAutoConfiguration {
 
 	private static final String BASE_PATH = "/cloudfoundryapplication";
 
-	@Bean
-	@ConditionalOnMissingBean
-	@ConditionalOnAvailableEndpoint
-	@ConditionalOnBean({ HealthEndpoint.class, HealthEndpointWebExtension.class })
-	public CloudFoundryHealthEndpointWebExtension cloudFoundryHealthEndpointWebExtension(
-			HealthEndpointWebExtension healthEndpointWebExtension) {
-		return new CloudFoundryHealthEndpointWebExtension(healthEndpointWebExtension);
-	}
-
 	@Bean
 	@ConditionalOnMissingBean
 	@ConditionalOnAvailableEndpoint
@@ -157,6 +148,21 @@ private static CorsConfiguration getCorsConfiguration() {
 		return corsConfiguration;
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@ConditionalOnClass(HealthEndpoint.class)
+	static class HealthConfiguration {
+
+		@Bean
+		@ConditionalOnMissingBean
+		@ConditionalOnAvailableEndpoint
+		@ConditionalOnBean({ HealthEndpoint.class, HealthEndpointWebExtension.class })
+		CloudFoundryHealthEndpointWebExtension cloudFoundryHealthEndpointWebExtension(
+				HealthEndpointWebExtension healthEndpointWebExtension) {
+			return new CloudFoundryHealthEndpointWebExtension(healthEndpointWebExtension);
+		}
+
+	}
+
 	/**
 	 * {@link WebSecurityConfigurer} to tell Spring Security to permit cloudfoundry
 	 * specific paths. The Cloud foundry endpoints are protected by their own security

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundryActuatorAutoConfigurationTests.java

@@ -48,6 +48,7 @@
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
 import org.springframework.context.ApplicationContext;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
@@ -91,6 +92,15 @@ class CloudFoundryActuatorAutoConfigurationTests {
 				ServletManagementContextAutoConfiguration.class, EndpointAutoConfiguration.class,
 				WebEndpointAutoConfiguration.class, CloudFoundryActuatorAutoConfiguration.class));
 
+	@Test
+	@ClassPathExclusions(packages = "org.springframework.boot.actuate.health")
+	void refreshSucceedsWithoutHealth() {
+		this.contextRunner
+			.withPropertyValues("VCAP_APPLICATION:---", "vcap.application.application_id:my-app-id",
+					"vcap.application.cf_api:https://my-cloud-controller.com")
+			.run((context) -> assertThat(context).hasNotFailed());
+	}
+
 	@Test
 	void cloudFoundryPlatformActive() {
 		this.contextRunner