/// <inheritdoc />
public void Configure(MetricEndpointsOptions options)
{
options.MetricsOutputFormatters = _metricsFormatters;
if (options.MetricsTextEndpointOutputFormatter == null)
{
options.MetricsTextEndpointOutputFormatter =
_metricsFormatters.GetType <MetricsTextOutputFormatter>() ?? _metricsFormatters.LastOrDefault();
}
if (options.MetricsEndpointOutputFormatter == null)
{
options.MetricsEndpointOutputFormatter =
_metricsFormatters.GetType <MetricsJsonOutputFormatter>() ?? _metricsFormatters.LastOrDefault();
}
if (options.EnvInfoEndpointOutputFormatter == null)
{
options.EnvInfoEndpointOutputFormatter =
_envFormatters.GetType <EnvInfoTextOutputFormatter>() ?? _envFormatters.LastOrDefault();
}
}
public void Can_get_formatter_by_type()
{
// Arrange
var formatters = new MetricsFormatterCollection();
formatters.TryAdd(new MetricsJsonOutputFormatter());
formatters.TryAdd(new MetricsTextOutputFormatter());
// Act
var result = formatters.GetType <MetricsTextOutputFormatter>();
// Assert
result.Should().BeOfType(typeof(MetricsTextOutputFormatter));
}
public void Can_get_formatter_by_media_type()
{
// Arrange
var formatters = new MetricsFormatterCollection();
formatters.TryAdd(new MetricsJsonOutputFormatter());
formatters.TryAdd(new MetricsTextOutputFormatter());
var mediaType = new MetricsMediaTypeValue("text", "vnd.appmetrics.metrics", "v1", "plain");
// Act
var result = formatters.GetType(mediaType);
// Assert
result.Should().BeOfType(typeof(MetricsTextOutputFormatter));
}
/// <inheritdoc />
public Task WriteAsync(HttpContext context, MetricsDataValueSource metricsData, CancellationToken token = default)
{
var formatter = _formatter ?? context.Request.GetTypedHeaders().ResolveFormatter(
_fallbackFormatter,
metricsMediaTypeValue => _formatters.GetType(metricsMediaTypeValue));
context.SetNoCacheHeaders();
if (formatter == default(IMetricsOutputFormatter))
{
context.Response.StatusCode = StatusCodes.Status406NotAcceptable;
context.Response.Headers[HeaderNames.ContentType] = new[] { context.Request.ContentType };
return(Task.CompletedTask);
}
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.Headers[HeaderNames.ContentType] = new[] { formatter.MediaType.ContentType };
return(formatter.WriteAsync(context.Response.Body, metricsData, token));
}