How to use

isHealthy

method

in

com.netflix.eureka.util.StatusInfo$Builder

public StatusInfo getStatusInfo() {
  StatusInfo.Builder builder = StatusInfo.Builder.newBuilder();
  // Add application level status
  int upReplicasCount = 0;
  StringBuilder upReplicas = new StringBuilder();
  StringBuilder downReplicas = new StringBuilder();
  StringBuilder replicaHostNames = new StringBuilder();
  for (PeerEurekaNode node : peerEurekaNodes.getPeerEurekaNodes()) {
    if (replicaHostNames.length() > 0) {
      replicaHostNames.append(", ");
    }
    replicaHostNames.append(node.getServiceUrl());
    if (isReplicaAvailable(node.getServiceUrl())) {
      upReplicas.append(node.getServiceUrl()).append(',');
      upReplicasCount++;
    } else {
      downReplicas.append(node.getServiceUrl()).append(',');
    }
  }
  builder.add("registered-replicas", replicaHostNames.toString());
  builder.add("available-replicas", upReplicas.toString());
  builder.add("unavailable-replicas", downReplicas.toString());
  
  // Only set the healthy flag if a threshold has been configured.
  if (peerEurekaNodes.getMinNumberOfAvailablePeers() > -1) {
    builder.isHealthy(upReplicasCount >= peerEurekaNodes.getMinNumberOfAvailablePeers());
  }
  builder.withInstanceInfo(this.instanceInfo);
  return builder.build();
}

public StatusInfo getStatusInfo() {
  StatusInfo.Builder builder = StatusInfo.Builder.newBuilder();
  // Add application level status
  int upReplicasCount = 0;
  StringBuilder upReplicas = new StringBuilder();
  StringBuilder downReplicas = new StringBuilder();
  StringBuilder replicaHostNames = new StringBuilder();
  for (PeerEurekaNode node : peerEurekaNodes.getPeerEurekaNodes()) {
    if (replicaHostNames.length() > 0) {
      replicaHostNames.append(", ");
    }
    replicaHostNames.append(node.getServiceUrl());
    if (isReplicaAvailable(node.getServiceUrl())) {
      upReplicas.append(node.getServiceUrl()).append(',');
      upReplicasCount++;
    } else {
      downReplicas.append(node.getServiceUrl()).append(',');
    }
  }
  builder.add("registered-replicas", replicaHostNames.toString());
  builder.add("available-replicas", upReplicas.toString());
  builder.add("unavailable-replicas", downReplicas.toString());
  
  // Only set the healthy flag if a threshold has been configured.
  if (peerEurekaNodes.getMinNumberOfAvailablePeers() > -1) {
    builder.isHealthy(upReplicasCount >= peerEurekaNodes.getMinNumberOfAvailablePeers());
  }
  builder.withInstanceInfo(this.instanceInfo);
  return builder.build();
}

@RequestMapping(method = RequestMethod.GET)
public String status(HttpServletRequest request, Map<String, Object> model) {
  populateBase(request, model);
  populateApps(model);
  StatusInfo statusInfo;
  try {
    statusInfo = new StatusResource().getStatusInfo();
  }
  catch (Exception e) {
    statusInfo = StatusInfo.Builder.newBuilder().isHealthy(false).build();
  }
  model.put("statusInfo", statusInfo);
  populateInstanceInfo(model, statusInfo);
  filterReplicas(model, statusInfo);
  return "eureka/status";
}

@RequestMapping(method = RequestMethod.GET)
public String status(HttpServletRequest request, Map<String, Object> model) {
  populateBase(request, model);
  populateApps(model);
  StatusInfo statusInfo;
  try {
    statusInfo = new StatusResource().getStatusInfo();
  }
  catch (Exception e) {
    statusInfo = StatusInfo.Builder.newBuilder().isHealthy(false).build();
  }
  model.put("statusInfo", statusInfo);
  populateInstanceInfo(model, statusInfo);
  filterReplicas(model, statusInfo);
  return "eureka/status";
}

private void status(NutMap result) {
  populateApps(result);
  StatusInfo statusInfo;
  try {
    statusInfo = new StatusResource().getStatusInfo();
  }
  catch (Exception e) {
    statusInfo = StatusInfo.Builder.newBuilder().isHealthy(false).build();
  }
  result.put("statusInfo", statusInfo);
  populateInstanceInfo(result, statusInfo);
  filterReplicas(result, statusInfo);
}