[grid]: Add node sessionTimeout to Grid status

java/src/org/openqa/selenium/grid/data/NodeStatus.java

@@ -214,6 +214,7 @@ public boolean equals(Object o) {
     return Objects.equals(this.nodeId, that.nodeId)
         && Objects.equals(this.externalUri, that.externalUri)
         && this.maxSessionCount == that.maxSessionCount
+        && this.sessionTimeout == that.sessionTimeout
         && Objects.equals(this.slots, that.slots)
         && Objects.equals(this.availability, that.availability)
         && Objects.equals(this.version, that.version);
@@ -224,7 +225,7 @@ public int hashCode() {
     return Objects.hash(nodeId, externalUri, maxSessionCount, slots, version);
   }
 
-  private Map<String, Object> toJson() {
+  public Map<String, Object> toJson() {
     Map<String, Object> toReturn = new TreeMap<>();
     toReturn.put("nodeId", nodeId);
     toReturn.put("externalUri", externalUri);

java/src/org/openqa/selenium/grid/graphql/Grid.java

@@ -97,6 +97,7 @@ public List<Node> getNodes() {
               status.getExternalUri(),
               status.getAvailability(),
               status.getMaxSessionCount(),
+              status.getSessionTimeout(),
               status.getSlots().size(),
               stereotypes,
               sessions,

java/src/org/openqa/selenium/grid/graphql/Node.java

@@ -19,6 +19,7 @@
 
 import com.google.common.collect.ImmutableList;
 import java.net.URI;
+import java.time.Duration;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -38,6 +39,7 @@ public class Node {
   private final URI uri;
   private final Availability status;
   private final int maxSession;
+  private final Duration sessionTimeout;
   private final Map<Capabilities, Integer> stereotypes;
   private final Map<Session, Slot> activeSessions;
   private final String version;
@@ -49,6 +51,7 @@ public Node(
       URI uri,
       Availability status,
       int maxSession,
+      Duration sessionTimeout,
       int slotCount,
       Map<Capabilities, Integer> stereotypes,
       Map<Session, Slot> activeSessions,
@@ -63,6 +66,7 @@ public Node(
     this.activeSessions = Require.nonNull("Active sessions", activeSessions);
     this.version = Require.nonNull("Grid Node version", version);
     this.osInfo = Require.nonNull("Grid Node OS info", osInfo);
+    this.sessionTimeout = Require.positive("Node session timeout", sessionTimeout);
   }
 
   public List<org.openqa.selenium.grid.graphql.Session> getSessions() {
@@ -122,6 +126,10 @@ public OsInfo getOsInfo() {
     return osInfo;
   }
 
+  public Duration getSessionTimeout() {
+    return sessionTimeout;
+  }
+
   private org.openqa.selenium.grid.graphql.Session createGraphqlSession(
       Map.Entry<Session, Slot> entry) {
     Session session = entry.getKey();

java/src/org/openqa/selenium/grid/graphql/selenium-grid-schema.graphqls

@@ -38,6 +38,7 @@ type Node {
   uri: Uri!
   status: Status!
   maxSession: Int!
+  sessionTimeout: String!
   slotCount: Int!
   sessions: [Session]!
   sessionCount: Int!

java/src/org/openqa/selenium/grid/router/GridStatusHandler.java

@@ -135,18 +135,7 @@ public HttpResponse execute(HttpRequest req) {
 
       List<Map<String, Object>> nodeResults =
           status.getNodes().stream()
-              .map(
-                  node ->
-                      new ImmutableMap.Builder<String, Object>()
-                          .put("id", node.getNodeId())
-                          .put("uri", node.getExternalUri())
-                          .put("maxSessions", node.getMaxSessionCount())
-                          .put("osInfo", node.getOsInfo())
-                          .put("heartbeatPeriod", node.getHeartbeatPeriod().toMillis())
-                          .put("availability", node.getAvailability())
-                          .put("version", node.getVersion())
-                          .put("slots", node.getSlots())
-                          .build())
+              .map(node -> new ImmutableMap.Builder<String, Object>().putAll(node.toJson()).build())
               .collect(toList());
 
       ImmutableMap.Builder<String, Object> value = ImmutableMap.builder();

java/test/org/openqa/selenium/grid/distributor/local/LocalDistributorTest.java

@@ -102,6 +102,7 @@ public void setUp() throws URISyntaxException {
         LocalNode.builder(tracer, bus, uri, uri, registrationSecret)
             .add(caps, new TestSessionFactory((id, c) -> new Handler(c)))
             .maximumConcurrentSessions(2)
+            .sessionTimeout(Duration.ofSeconds(30))
             .build();
 
     wait =
@@ -143,6 +144,7 @@ void testAddNodeToDistributor() {
     NodeStatus distributorNode = nodes.iterator().next();
     assertThat(distributorNode.getNodeId()).isEqualByComparingTo(localNode.getId());
     assertThat(distributorNode.getExternalUri()).isEqualTo(uri);
+    assertThat(distributorNode.getSessionTimeout()).isEqualTo(Duration.ofSeconds(30));
   }
 
   @Test