Change the status updater to respect the new /health format.

spring-boot-admin-server/src/main/java/de/codecentric/boot/admin/server/domain/values/Info.java

@@ -30,13 +30,13 @@ import com.fasterxml.jackson.annotation.JsonAnyGetter;
 public class Info implements Serializable {
     private static final Info EMPTY = new Info(null);
 
-    private final Map<String, Serializable> values;
+    private final Map<String, Object> values;
 
-    private Info(Map<String, ? extends Serializable> values) {
+    private Info(Map<String, Object> values) {
         this.values = values != null ? new LinkedHashMap<>(values) : Collections.emptyMap();
     }
 
-    public static Info from(Map<String, ? extends Serializable> values) {
+    public static Info from(Map<String, Object> values) {
         return new Info(values);
     }
 
@@ -61,7 +61,7 @@ public class Info implements Serializable {
     }
 
     @JsonAnyGetter
-    public Map<String, Serializable> getValues() {
+    public Map<String, Object> getValues() {
         return Collections.unmodifiableMap(values);
     }
 }

spring-boot-admin-server/src/main/java/de/codecentric/boot/admin/server/domain/values/StatusInfo.java

@@ -43,15 +43,15 @@ public class StatusInfo implements Serializable {
             STATUS_UNKNOWN, STATUS_RESTRICTED, STATUS_UP);
 
     private final String status;
-    private final Map<String, Serializable> details;
+    private final Map<String, Object> details;
 
-    private StatusInfo(String status, Map<String, ? extends Serializable> details) {
+    private StatusInfo(String status, Map<String, ?> details) {
         Assert.hasText(status, "'status' must not be empty.");
         this.status = status.toUpperCase();
         this.details = details != null ? new HashMap<>(details) : Collections.emptyMap();
     }
 
-    public static StatusInfo valueOf(String statusCode, Map<String, ? extends Serializable> details) {
+    public static StatusInfo valueOf(String statusCode, Map<String, ?> details) {
         return new StatusInfo(statusCode, details);
     }
 
@@ -75,19 +75,19 @@ public class StatusInfo implements Serializable {
         return ofOffline(null);
     }
 
-    public static StatusInfo ofUp(Map<String, ? extends Serializable> details) {
+    public static StatusInfo ofUp(Map<String, Object> details) {
         return valueOf(STATUS_UP, details);
     }
 
-    public static StatusInfo ofDown(Map<String, ? extends Serializable> details) {
+    public static StatusInfo ofDown(Map<String, Object> details) {
         return valueOf(STATUS_DOWN, details);
     }
 
-    public static StatusInfo ofOffline(Map<String, ? extends Serializable> details) {
+    public static StatusInfo ofOffline(Map<String, Object> details) {
         return valueOf(STATUS_OFFLINE, details);
     }
 
-    public Map<String, Serializable> getDetails() {
+    public Map<String, Object> getDetails() {
         return Collections.unmodifiableMap(details);
     }
 

spring-boot-admin-server/src/main/java/de/codecentric/boot/admin/server/services/InfoUpdater.java

@@ -23,7 +23,6 @@ import de.codecentric.boot.admin.server.domain.values.InstanceId;
 import de.codecentric.boot.admin.server.web.client.InstanceOperations;
 import reactor.core.publisher.Mono;
 
-import java.io.Serializable;
 import java.util.Map;
 import java.util.logging.Level;
 import org.slf4j.Logger;
@@ -68,7 +67,7 @@ public class InfoUpdater {
                           .map(instance::withInfo);
     }
 
-    protected Info convertInfo(Instance instance, ResponseEntity<Map<String, Serializable>> response) {
+    protected Info convertInfo(Instance instance, ResponseEntity<Map<String, Object>> response) {
         if (response.getStatusCode().is2xxSuccessful() && response.hasBody()) {
             return Info.from(response.getBody());
         } else {

spring-boot-admin-server/src/main/java/de/codecentric/boot/admin/server/services/StatusUpdater.java

@@ -22,7 +22,6 @@ import de.codecentric.boot.admin.server.domain.values.StatusInfo;
 import de.codecentric.boot.admin.server.web.client.InstanceOperations;
 import reactor.core.publisher.Mono;
 
-import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.logging.Level;
@@ -65,14 +64,23 @@ public class StatusUpdater {
                           .map(instance::withStatusInfo);
     }
 
-    protected StatusInfo convertStatusInfo(ResponseEntity<Map<String, Serializable>> response) {
+    @SuppressWarnings("unchecked")
+    protected StatusInfo convertStatusInfo(ResponseEntity<Map<String, Object>> response) {
         if (response.hasBody() && response.getBody().get("status") instanceof String) {
-            return StatusInfo.valueOf((String) response.getBody().get("status"), response.getBody());
+            Map<String, Object> body = response.getBody();
+            String status = (String) body.get("status");
+            Map<String, Object> details = body;
+            if (body.get("details") instanceof Map) {
+                details = (Map<String, Object>) body.get("details");
             }
+            return StatusInfo.valueOf(status, details);
+        }
+
         if (response.getStatusCode().is2xxSuccessful()) {
             return StatusInfo.ofUp();
         }
-        Map<String, Serializable> details = new HashMap<>();
+
+        Map<String, Object> details = new HashMap<>();
         details.put("status", response.getStatusCodeValue());
         details.put("error", response.getStatusCode().getReasonPhrase());
         if (response.hasBody()) {
@@ -90,7 +98,7 @@ public class StatusUpdater {
     }
 
     protected StatusInfo convertStatusInfo(Throwable ex) {
-        Map<String, Serializable> details = new HashMap<>();
+        Map<String, Object> details = new HashMap<>();
         details.put("message", ex.getMessage());
         details.put("exception", ex.getClass().getName());
         return StatusInfo.ofOffline(details);

spring-boot-admin-server/src/main/java/de/codecentric/boot/admin/server/web/client/InstanceOperations.java

@@ -19,7 +19,6 @@ import de.codecentric.boot.admin.server.domain.entities.Instance;
 import de.codecentric.boot.admin.server.domain.values.Endpoint;
 import reactor.core.publisher.Mono;
 
-import java.io.Serializable;
 import java.net.URI;
 import java.util.Map;
 import org.slf4j.Logger;
@@ -40,7 +39,7 @@ import org.springframework.web.util.UriComponentsBuilder;
 public class InstanceOperations {
     private static final Logger log = LoggerFactory.getLogger(InstanceOperations.class);
     @SuppressWarnings("unchecked")
-    private static final Class<Map<String, Serializable>> RESPONSE_TYPE_MAP = (Class<Map<String, Serializable>>) (Class<?>) Map.class;
+    private static final Class<Map<String, Object>> RESPONSE_TYPE_MAP = (Class<Map<String, Object>>) (Class<?>) Map.class;
     private final WebClient webClient;
     private final HttpHeadersProvider httpHeadersProvider;
 
@@ -49,16 +48,16 @@ public class InstanceOperations {
         this.httpHeadersProvider = httpHeadersProvider;
     }
 
-    public Mono<ResponseEntity<Map<String, Serializable>>> getHealth(Instance instance) {
+    public Mono<ResponseEntity<Map<String, Object>>> getHealth(Instance instance) {
         URI uri = UriComponentsBuilder.fromHttpUrl(instance.getRegistration().getHealthUrl()).build().toUri();
         return this.exchange(HttpMethod.GET, instance, uri).flatMap(r -> r.toEntity(RESPONSE_TYPE_MAP));
     }
 
-    public Mono<ResponseEntity<Map<String, Serializable>>> getInfo(Instance instance) {
+    public Mono<ResponseEntity<Map<String, Object>>> getInfo(Instance instance) {
         return getEndpoint(instance, Endpoint.INFO);
     }
 
-    public Mono<ResponseEntity<Map<String, Serializable>>> getEndpoint(Instance instance, String endpointId) {
+    public Mono<ResponseEntity<Map<String, Object>>> getEndpoint(Instance instance, String endpointId) {
         URI uri = URI.create(instance.getEndpoints().get(endpointId).getUrl());
         return this.exchange(HttpMethod.GET, instance, uri).flatMap(r -> r.toEntity(RESPONSE_TYPE_MAP));
     }

spring-boot-admin-server/src/test/java/de/codecentric/boot/admin/server/domain/values/InfoTest.java

@@ -16,7 +16,6 @@
 
 package de.codecentric.boot.admin.server.domain.values;
 
-import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
@@ -38,16 +37,15 @@ public class InfoTest {
     public void should_return_version() {
         assertThat(Info.empty().getVersion()).isEqualTo("");
         assertThat(Info.from(singletonMap("version", "1.0.0")).getVersion()).isEqualTo("1.0.0");
-        assertThat(Info.from(singletonMap("build", (Serializable) singletonMap("version", "1.0.0")))
-                       .getVersion()).isEqualTo("1.0.0");
+        assertThat(Info.from(singletonMap("build", singletonMap("version", "1.0.0"))).getVersion()).isEqualTo("1.0.0");
 
     }
 
     @Test
     public void test_json_serialize() throws Exception {
-        Map<String, Serializable> values = new HashMap<>();
+        Map<String, Object> values = new HashMap<>();
         values.put("foo", "bar");
-        values.put("build", (Serializable) singletonMap("version", "1.0.0"));
+        values.put("build", singletonMap("version", "1.0.0"));
         Info info = Info.from(values);
         String json = objectMapper.writeValueAsString(info);
 
@@ -59,7 +57,7 @@ public class InfoTest {
 
     @Test
     public void test_retain_order() {
-        Map<String, String> map = new LinkedHashMap<>();
+        Map<String, Object> map = new LinkedHashMap<>();
         map.put("z", "1");
         map.put("x", "2");