private void FlowCorrelationIdAndRequestOrigin(HttpContext context)
{
string correlationId = null;
StringValues correlationIdHeader, originHeader;
if (context.Request.Headers.TryGetValue(ServiceFabricDiagnostics.CorrelationHeaderName, out correlationIdHeader))
{
correlationId = correlationIdHeader.FirstOrDefault();
}
if (String.IsNullOrWhiteSpace(correlationId))
{
correlationId = Guid.NewGuid().ToString("N");
}
if (context.Request.Headers.TryGetValue(ServiceFabricDiagnostics.RequestOriginHeaderName, out originHeader))
{
ServiceFabricDiagnostics.SetRequestOrigin(originHeader.FirstOrDefault());
}
ServiceFabricDiagnostics.SetRequestCorrelationId(correlationId);
}
private async Task CheckServiceHealthAsync(Uri serviceName, Func <Uri, ServicePartitionInformation, Task <string> > func, CancellationToken cancellationToken)
{
ServiceFabricDiagnostics.SetRequestCorrelationId(Guid.NewGuid().ToString());
var partitionList = await fabricClient.QueryManager.GetPartitionListAsync(serviceName);
foreach (var partition in partitionList)
{
HealthInformation healthInfo = null;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
try
{
string message = await func(serviceName, partition.PartitionInformation);
if (!string.IsNullOrEmpty(message))
{
healthInfo = this.ToHealthInformation(HealthCheckPropertyName,
HealthState.Warning,
this.healthInfoTimeToLive,
$"Health check of {serviceName}, partition {partition.PartitionInformation.Id} failed with {message}",
removedWhenExpired: true);
}
}
catch (Exception ex)
{
healthInfo = this.ToHealthInformation(HealthCheckPropertyName,
HealthState.Warning,
this.healthInfoTimeToLive,
$"Health check of {serviceName}, partition {partition.PartitionInformation.Id} failed with exception {ex}",
removedWhenExpired: true);
}
finally
{
stopwatch.Stop();
if (!cancellationToken.IsCancellationRequested)
{
if (healthInfo == null)
{
if (stopwatch.Elapsed > responseTimeWarningThreshold)
{
healthInfo = this.ToHealthInformation(HealthCheckPropertyName,
HealthState.Warning,
this.healthInfoTimeToLive,
$"Health check of {serviceName}, partition {partition.PartitionInformation.Id} took {stopwatch.Elapsed.TotalSeconds} seconds to complete.",
removedWhenExpired: true);
}
else
{
healthInfo = this.ToHealthInformation(HealthCheckPropertyName,
HealthState.Ok,
this.healthInfoTimeToLive,
"OK",
removedWhenExpired: true);
}
}
this.fabricClient.HealthManager.ReportHealth(new PartitionHealthReport(partition.PartitionInformation.Id, healthInfo));
}
}
}
}
