protected virtual ICollector <ICounter> CreateErrorTotalCounter()
{
string[] defaultLabels = new[] { "operation", "sli_error_type", "sli_dependency" };
var configuration = new CounterConfiguration
{
SuppressInitialValue = true,
LabelNames = defaultLabels
};
_options.ConfigureErrorTotalCounter?.Invoke(configuration);
if (configuration.LabelNames != defaultLabels)
{
throw new ArgumentException("The error total counter configuration is missing the required default labels");
}
return(_metrics.CreateCounter("http_server_errors_total", "The number of HTTP requests resulting in an error", configuration));
}
