[CST-5288] Introduced spring boot actuators

dspace-server-webapp/pom.xml

@@ -280,6 +280,12 @@
             <version>${spring-boot.version}</version>
         </dependency>
         
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+            <version>${spring-boot.version}</version>
+        </dependency>
+
         <dependency>
             <groupId>com.flipkart.zjsonpatch</groupId>
             <artifactId>zjsonpatch</artifactId>

dspace-server-webapp/src/main/java/org/dspace/app/rest/configuration/ActuatorConfiguration.java

@@ -0,0 +1,39 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+package org.dspace.app.rest.configuration;
+
+import java.util.Arrays;
+
+import org.dspace.app.rest.DiscoverableEndpointsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.event.EventListener;
+import org.springframework.hateoas.Link;
+
+/**
+ * Configuration class related to the actuator endpoints.
+ *
+ * @author Luca Giamminonni (luca.giamminonni at 4science.it)
+ *
+ */
+@Configuration
+public class ActuatorConfiguration {
+
+    @Autowired
+    private DiscoverableEndpointsService discoverableEndpointsService;
+
+    @Value("${management.endpoints.web.base-path:/actuator}")
+    private String actuatorBasePath;
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void registerActuatorEndpoints() {
+        discoverableEndpointsService.register(this, Arrays.asList(new Link(actuatorBasePath, "actuator")));
+    }
+}

dspace-server-webapp/src/main/java/org/dspace/app/rest/security/WebSecurityConfiguration.java

@@ -81,7 +81,7 @@ public class WebSecurityConfiguration extends WebSecurityConfigurerAdapter {
         // Configure authentication requirements for ${dspace.server.url}/api/ URL only
         // NOTE: REST API is hardcoded to respond on /api/. Other modules (OAI, SWORD, IIIF, etc) use other root paths.
         http.requestMatchers()
-            .antMatchers("/api/**", "/iiif/**")
+            .antMatchers("/api/**", "/iiif/**", "/actuator/**")
             .and()
             // Enable Spring Security authorization on these paths
             .authorizeRequests()

dspace-server-webapp/src/main/resources/application.properties

@@ -132,3 +132,7 @@ spring.servlet.multipart.max-file-size = 512MB
 
 # Maximum size of a multipart request (i.e. max total size of all files in one request) (default = 10MB)
 spring.servlet.multipart.max-request-size = 512MB
+
+#Spring Boot actuator configuration
+management.endpoint.health.show-details = when-authorized
+management.endpoint.health.roles = ADMIN