Add JMX username to cluster information

Author: ossarga

src/server/src/main/java/io/cassandrareaper/resources/ClusterResource.java

@@ -114,8 +114,18 @@ public Response getCluster(
           .build();
 
     } else {
+
+      final String jmxUsername;
+
+      if (context.jmxConnectionFactory.getJmxCredentialsForCluster(clusterName).isPresent()) {
+        jmxUsername = context.jmxConnectionFactory.getJmxCredentialsForCluster(clusterName).get().getUsername();
+      } else {
+        jmxUsername = "";
+      }
+
       ClusterStatus clusterStatus = new ClusterStatus(
             cluster.get(),
+            jmxUsername,
             context.storage.getClusterRunStatuses(cluster.get().getName(), limit.orElse(Integer.MAX_VALUE)),
             context.storage.getClusterScheduleStatuses(cluster.get().getName()),
             getNodesStatus(cluster).orElse(null));

src/server/src/main/java/io/cassandrareaper/resources/view/ClusterStatus.java

@@ -29,6 +29,9 @@ public final class ClusterStatus {
   @JsonProperty
   public final String name;
 
+  @JsonProperty("jmx_username")
+  public final String jmxUsername;
+
   @JsonProperty("seed_hosts")
   public final Set<String> seedHosts;
 
@@ -43,11 +46,13 @@ public final class ClusterStatus {
 
   public ClusterStatus(
       Cluster cluster,
+      String jmxUsername,
       Collection<RepairRunStatus> repairRuns,
       Collection<RepairScheduleStatus> repairSchedules,
       NodesStatus nodesStatus) {
 
     this.name = cluster.getName();
+    this.jmxUsername = jmxUsername;
     this.seedHosts = cluster.getSeedHosts();
     this.repairRuns = repairRuns;
     this.repairSchedules = repairSchedules;