/// <summary>
/// Determines whether Elasticsearch cluster is ready.
/// </summary>
public async Task <Status> IsReadyAsync(CancellationToken cancellationToken)
{
var healthRequest = new ClusterHealthRequest
{
WaitForStatus = WaitForStatus.Green
};
ClusterHealthResponse healthResponse = await _client
.Cluster.HealthAsync(healthRequest, cancellationToken);
return(new Status
{
IsReady = healthResponse.IsValid,
Message = healthResponse.DebugInformation
});
}
/// <summary>
/// Retrieves cluster heaşth status
/// </summary>
/// <param name="cancellationToken">Token to cancel Elasticsearch request</param>
/// <returns>Cluster health status</returns>
public virtual async Task <ClusterHealthResponse> HealthAsync(CancellationToken cancellationToken)
{
ClusterHealthResponse result;
try
{
HttpResponseMessage responseMessage = await GetAsync("/_cluster/health", null, cancellationToken);
var response = await responseMessage.Content.ReadAsStringAsync();
result = JsonConvert.DeserializeObject <ClusterHealthResponse>(response);
result.IsValid = true;
}
catch (Exception ex)
{
result = new ClusterHealthResponse {
IsValid = false, OriginalException = ex
};
}
return(result);
}
public ActionResult Status()
{
ClusterHealthResponse res = null;
int num = 0;
string status = "unknown";
string nodes = "-------------------------\n";
try
{
res = HlidacStatu.Lib.ES.Manager.GetESClient().Cluster.Health();
num = res?.NumberOfNodes ?? 0;
status = res?.Status.ToString() ?? "unknown";
//GET /_cat/nodes?v&h=m,name,ip,u&s=name
var catr = Lib.ES.Manager.GetESClient()
.LowLevel.Cat.Nodes <Elasticsearch.Net.StringResponse>(
new Elasticsearch.Net.Specification.CatApi.CatNodesRequestParameters()
{
Headers = new[] { "m", "name", "ip", "u" },
SortByColumns = new[] { "name" },
Verbose = true
}
).Body
?.Replace("10.10.", "");
;
nodes = nodes + catr;
}
catch (Exception e)
{
HlidacStatu.Util.Consts.Logger.Error("Status page error", e);
ViewBag.Error = e;
}
return(Content(string.Format("{0}-{1}\n\n" + nodes, num, status), "text/plain"));
}
