public ElasticsearchClientException CreateClientException <TResponse>(
TResponse response, IApiCallDetails callDetails, RequestData data, List <PipelineException> pipelineExceptions
)
where TResponse : class, IElasticsearchResponse, new()
{
if (callDetails?.Success ?? false)
{
return(null);
}
var innerException = pipelineExceptions.HasAny() ? pipelineExceptions.AsAggregateOrFirst() : callDetails?.OriginalException;
var statusCode = callDetails?.HttpStatusCode != null?callDetails.HttpStatusCode.Value.ToString() : "unknown";
var resource = callDetails == null
? "unknown resource"
: $"Status code {statusCode} from: {callDetails.HttpMethod} {callDetails.Uri.PathAndQuery}";
var exceptionMessage = innerException?.Message ?? $"Request failed to execute";
var pipelineFailure = data.OnFailurePipelineFailure;
if (pipelineExceptions.HasAny())
{
pipelineFailure = pipelineExceptions.Last().FailureReason;
}
if (this.IsTakingTooLong)
{
pipelineFailure = PipelineFailure.MaxTimeoutReached;
this.Audit(MaxTimeoutReached);
exceptionMessage = "Maximum timeout reached while retrying request";
}
else if (this.Retried >= this.MaxRetries && this.MaxRetries > 0)
{
pipelineFailure = PipelineFailure.MaxRetriesReached;
this.Audit(MaxRetriesReached);
exceptionMessage = "Maximum number of retries reached";
}
exceptionMessage += $". Call: {resource}";
if (response != null && response.TryGetServerErrorReason(out var reason))
{
exceptionMessage += $". ServerError: {reason}";
}
var clientException = new ElasticsearchClientException(pipelineFailure, exceptionMessage, innerException)
{
Request = data,
Response = callDetails,
AuditTrail = this.AuditTrail
};
return(clientException);
}
public void ThrowNoNodesAttempted(RequestData requestData, List <PipelineException> seenExceptions)
{
var clientException = new ElasticsearchClientException(PipelineFailure.NoNodesAttempted, NoNodesAttemptedMessage, (Exception)null);
using (this.Audit(NoNodesAttempted))
throw new UnexpectedElasticsearchClientException(clientException, seenExceptions)
{
Request = requestData,
AuditTrail = this.AuditTrail
};
}
public void BadResponse <TReturn>(ref ElasticsearchResponse <TReturn> response, RequestData data, List <PipelineException> pipelineExceptions)
where TReturn : class
{
var callDetails = response ?? pipelineExceptions.LastOrDefault()?.Response;
var pipelineFailure = PipelineFailure.BadResponse;
if (pipelineExceptions.HasAny())
{
pipelineFailure = pipelineExceptions.Last().FailureReason;
}
var innerException = pipelineExceptions.HasAny()
? new AggregateException(pipelineExceptions)
: callDetails?.OriginalException;
var exceptionMessage = innerException?.Message ?? "Could not complete the request to Elasticsearch.";
if (this.IsTakingTooLong)
{
pipelineFailure = PipelineFailure.MaxTimeoutReached;
this.Audit(MaxTimeoutReached);
exceptionMessage = "Maximum timout reached while retrying request";
}
else if (this.Retried >= this.MaxRetries && this.MaxRetries > 0)
{
pipelineFailure = PipelineFailure.MaxRetriesReached;
this.Audit(MaxRetriesReached);
exceptionMessage = "Maximum number of retries reached.";
}
var clientException = new ElasticsearchClientException(pipelineFailure, exceptionMessage, innerException)
{
Request = data,
Response = callDetails,
AuditTrail = this.AuditTrail
};
if (_settings.ThrowExceptions)
{
this._settings.OnRequestCompleted?.Invoke(clientException.Response);
throw clientException;
}
if (response == null)
{
response = new ResponseBuilder <TReturn>(data)
{
Exception = clientException
}.ToResponse();
}
response.AuditTrail = this.AuditTrail;
}
private void HandleElasticsearchClientException(ElasticsearchClientException clientException, IElasticsearchResponse response)
{
if (clientException != null && response.ApiCall.OriginalException == null && response.ApiCall is ApiCallDetails a)
{
a.OriginalException = clientException;
}
this.Settings.OnRequestCompleted?.Invoke(response.ApiCall);
if (clientException != null && this.Settings.ThrowExceptions)
{
throw clientException;
}
}
public void BadResponse <TResponse>(ref TResponse response, IApiCallDetails callDetails, RequestData data,
ElasticsearchClientException exception
)
where TResponse : class, IElasticsearchResponse, new()
{
if (response == null)
{
//make sure we copy over the error body in case we disabled direct streaming.
var s = callDetails?.ResponseBodyInBytes == null ? Stream.Null : _memoryStreamFactory.Create(callDetails.ResponseBodyInBytes);
var m = callDetails?.ResponseMimeType ?? RequestData.MimeType;
response = ResponseBuilder.ToResponse <TResponse>(data, exception, callDetails?.HttpStatusCode, null, s, m);
}
response.ApiCall.AuditTrail = AuditTrail;
}
public ElasticsearchClientException CreateClientException <TResponse>(
TResponse response, IApiCallDetails callDetails, RequestData data, List <PipelineException> pipelineExceptions
)
where TResponse : class, IElasticsearchResponse, new()
{
if (callDetails.Success)
{
return(null);
}
var innerException = pipelineExceptions.HasAny() ? new AggregateException(pipelineExceptions) : callDetails?.OriginalException;
var exceptionMessage = innerException?.Message ?? $"Request failed to execute";
if (response != null && response.TryGetServerErrorReason(out var reason))
{
exceptionMessage += $". ServerError: {reason}";
}
var pipelineFailure = data.OnFailurePipelineFailure;
if (pipelineExceptions.HasAny())
{
pipelineFailure = pipelineExceptions.Last().FailureReason;
}
if (this.IsTakingTooLong)
{
pipelineFailure = PipelineFailure.MaxTimeoutReached;
this.Audit(MaxTimeoutReached);
exceptionMessage = "Maximum timeout reached while retrying request";
}
else if (this.Retried >= this.MaxRetries && this.MaxRetries > 0)
{
pipelineFailure = PipelineFailure.MaxRetriesReached;
this.Audit(MaxRetriesReached);
exceptionMessage = "Maximum number of retries reached.";
}
var clientException = new ElasticsearchClientException(pipelineFailure, exceptionMessage, innerException)
{
Request = data,
Response = callDetails,
AuditTrail = this.AuditTrail
};
return(clientException);
}
public ElasticsearchClientException CreateClientException <TResponse>(
TResponse response, IApiCallDetails callDetails, RequestData data, List <PipelineException> pipelineExceptions
)
where TResponse : class, IElasticsearchResponse, new()
{
if (callDetails?.Success ?? false)
{
return(null);
}
var innerException = pipelineExceptions.HasAny() ? pipelineExceptions.AsAggregateOrFirst() : callDetails?.OriginalException;
var statusCode = callDetails?.HttpStatusCode != null?callDetails.HttpStatusCode.Value.ToString() : "unknown";
var resource = callDetails == null
? "unknown resource"
: $"Status code {statusCode} from: {callDetails.HttpMethod} {callDetails.Uri.PathAndQuery}";
var exceptionMessage = innerException?.Message ?? $"Request failed to execute";
var pipelineFailure = data.OnFailurePipelineFailure;
if (pipelineExceptions.HasAny())
{
pipelineFailure = pipelineExceptions.Last().FailureReason;
}
if (IsTakingTooLong)
{
pipelineFailure = PipelineFailure.MaxTimeoutReached;
Audit(MaxTimeoutReached);
exceptionMessage = "Maximum timeout reached while retrying request";
}
else if (Retried >= MaxRetries && MaxRetries > 0)
{
pipelineFailure = PipelineFailure.MaxRetriesReached;
Audit(MaxRetriesReached);
exceptionMessage = "Maximum number of retries reached";
var now = _dateTimeProvider.Now();
var activeNodes = _connectionPool.Nodes.Count(n => n.IsAlive || n.DeadUntil <= now);
if (Retried >= activeNodes)
{
Audit(FailedOverAllNodes);
exceptionMessage += ", failed over to all the known alive nodes before failing";
}
}
exceptionMessage += $". Call: {resource}";
if (response != null && response.TryGetServerErrorReason(out var reason))
{
exceptionMessage += $". ServerError: {reason}";
}
var clientException = new ElasticsearchClientException(pipelineFailure, exceptionMessage, innerException)
{
Request = data,
Response = callDetails,
AuditTrail = AuditTrail
};
return(clientException);
}
