public async Task GetTestElasticSearchConnectionResult()
{
try
{
string url = GetQueryStringValueAndAssertIfSingleAndNotEmpty("url");
string authenticationJson = await new StreamReader(HttpContext.Request.Body).ReadToEndAsync();
Authentication authentication = JsonConvert.DeserializeObject <Authentication>(authenticationJson);
ElasticClient client = ElasticSearchHelper.CreateClient(new ElasticSearchConnectionString {
Nodes = new[] { url }, Authentication = authentication
});
PingResponse pingResult = await client.PingAsync();
if (pingResult.IsValid)
{
DynamicJsonValue result = new() { [nameof(NodeConnectionTestResult.Success)] = true, [nameof(NodeConnectionTestResult.TcpServerUrl)] = url, };
protected virtual string[] VerifiedNodesValueFactory()
{
var singleLocalNode = new[] { "http://localhost:9200" };
if (TryConnect(singleLocalNode, out var pingResponse))
{
return(singleLocalNode);
}
if (Nodes.Value.Length == 0)
{
throw new InvalidOperationException($"Environment variable {EnvironmentVariable} is empty");
}
if (TryConnect(Nodes.Value, out pingResponse))
{
return(Nodes.Value);
}
throw new InvalidOperationException($"Can't ping Elastic Search instance. Provided urls: {string.Join(',', Nodes.Value)}", pingResponse?.OriginalException);
bool TryConnect(string[] nodes, out PingResponse response)
{
try
{
var client = ElasticSearchHelper.CreateClient(new ElasticSearchConnectionString {
Nodes = nodes
}, requestTimeout: TimeSpan.FromSeconds(1), pingTimeout: TimeSpan.FromSeconds(1));
response = client.Ping();
return(response.IsValid);
}
catch
{
response = null;
return(false);
}
}
}