Polish CF management skip SSL opt-in

See gh-7629
See gh-7655

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

@@ -30,6 +30,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnCloudPlatform;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.autoconfigure.security.IgnoredRequestCustomizer;
+import org.springframework.boot.bind.RelaxedPropertyResolver;
 import org.springframework.boot.cloud.CloudPlatform;
 import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.context.annotation.Bean;
@@ -83,9 +84,11 @@ public class CloudFoundryActuatorAutoConfiguration {
 
 	private CloudFoundrySecurityService getCloudFoundrySecurityService(
 			RestTemplateBuilder restTemplateBuilder, Environment environment) {
+		RelaxedPropertyResolver cloudFoundryProperties = new RelaxedPropertyResolver(
+				environment, "management.cloudfoundry.");
 		String cloudControllerUrl = environment.getProperty("vcap.application.cf_api");
-		boolean skipSslValidation = Boolean.parseBoolean(
-				environment.getProperty("management.cloudfoundry.skipSslValidation"));
+		boolean skipSslValidation = cloudFoundryProperties
+				.getProperty("skip-ssl-validation", Boolean.class, false);
 		return cloudControllerUrl == null ? null
 				: new CloudFoundrySecurityService(restTemplateBuilder, cloudControllerUrl,
 						skipSslValidation);