/// <summary>
/// Create HTTP endpoint where metrics will be available in various formats:
/// GET / => visualization application
/// GET /json => metrics serialized as JSON
/// GET /text => metrics in human readable text format
/// </summary>
/// <param name="httpUriPrefix">prefix where to start HTTP endpoint</param>
/// <param name="filter">Only report metrics that match the filter.</param>
/// <param name="maxRetries">maximum number of attempts to start the http listener. Note the retry time between attempts is dependent on this value</param>
/// <returns>Chain-able configuration object.</returns>
public MetricsConfig WithHttpEndpoint(string httpUriPrefix, MetricsFilter filter = null, int maxRetries = 3)
{
if (this.isDisabled)
{
return(this);
}
if (this.httpEndpoints.ContainsKey(httpUriPrefix))
{
log.WarnFormat("Http uri prefix {0} already registered. Ignoring...", httpUriPrefix);
return(this);
}
var endpoint = MetricsHttpListener.StartHttpListenerAsync(httpUriPrefix, this.context.DataProvider.WithFilter(filter),
this.healthStatus, this.httpEndpointCancellation.Token, maxRetries);
this.httpEndpoints.Add(httpUriPrefix, endpoint);
return(this);
}
/// <summary>
/// Create HTTP endpoint where metrics will be available in various formats:
/// GET / => visualization application
/// GET /json => metrics serialized as JSON
/// GET /text => metrics in human readable text format
/// </summary>
/// <param name="httpUriPrefix">prefix where to start HTTP endpoint</param>
/// <param name="reportsConfig">Endpoint reports configuration</param>
/// <param name="filter">Only report metrics that match the filter.</param>
/// <param name="maxRetries">maximum number of attempts to start the http listener. Note the retry time between attempts is dependent on this value</param>
/// <returns>Chain-able configuration object.</returns>
public MetricsConfig WithHttpEndpoint(string httpUriPrefix, Action <MetricsEndpointReports> reportsConfig, MetricsFilter filter = null, int maxRetries = 3)
{
if (this.isDisabled)
{
return(this);
}
if (this.httpEndpoints.ContainsKey(httpUriPrefix))
{
throw new InvalidOperationException($"Http URI prefix {httpUriPrefix} already configured.");
}
var endpointReports = new MetricsEndpointReports(this.context.DataProvider.WithFilter(filter), this.healthStatus);
reportsConfig(endpointReports);
var endpoint = MetricsHttpListener.StartHttpListenerAsync(httpUriPrefix, endpointReports.Endpoints, this.httpEndpointCancellation.Token, maxRetries);
this.httpEndpoints.Add(httpUriPrefix, endpoint);
return(this);
}
private static Task <MetricsHttpListener> StartListener(string endpoint)
{
var context = new TestContext();
return(MetricsHttpListener.StartHttpListenerAsync(Endpoint(endpoint), context.DataProvider, () => new HealthStatus(), CancellationToken.None));
}
private static Task <MetricsHttpListener> StartListener(string endpoint)
{
var context = new TestContext();
return(MetricsHttpListener.StartHttpListenerAsync(Endpoint(endpoint), Enumerable.Empty <MetricsEndpoint>(), CancellationToken.None));
}
