/// <summary>
/// Register the elasticsearch index template if the provided options mandate it.
/// </summary>
public void RegisterTemplateIfNeeded()
{
if (!_registerTemplateOnStartup)
{
return;
}
try
{
if (!_options.OverwriteTemplate)
{
var templateExistsResponse = _client.IndicesExistsTemplateForAll <DynamicResponse>(_templateName);
if (templateExistsResponse.HttpStatusCode == 200)
{
TemplateRegistrationSuccess = true;
return;
}
}
var result = _client.IndicesPutTemplateForAll <DynamicResponse>(_templateName, GetTempatePostData());
if (!result.Success)
{
((IElasticsearchResponse)result).TryGetServerErrorReason(out var serverError);
SelfLog.WriteLine("Unable to create the template. {0}", serverError);
if (_options.RegisterTemplateFailure == RegisterTemplateRecovery.FailSink)
{
throw new Exception($"Unable to create the template named {_templateName}.", result.OriginalException);
}
TemplateRegistrationSuccess = false;
}
else
{
TemplateRegistrationSuccess = true;
}
}
catch (Exception ex)
{
TemplateRegistrationSuccess = false;
SelfLog.WriteLine("Failed to create the template. {0}", ex);
if (_options.RegisterTemplateFailure == RegisterTemplateRecovery.FailSink)
{
throw;
}
}
}
