internal async Task WriteDiagnosticLog()
{
string agentError = null;
// In AAS, the trace agent is deployed alongside the tracer and managed by the tracer
// Disable this check as it may hit the trace agent before it is ready to receive requests and give false negatives
if (!AzureAppServices.Metadata.IsRelevant)
{
try
{
var success = await _traceWriter.Ping().ConfigureAwait(false);
if (!success)
{
agentError = "An error occurred while sending traces to the agent";
}
}
catch (Exception ex)
{
agentError = ex.Message;
}
}
try
{
var stringWriter = new StringWriter();
using (var writer = new JsonTextWriter(stringWriter))
{
writer.WriteStartObject();
writer.WritePropertyName("date");
writer.WriteValue(DateTime.Now);
writer.WritePropertyName("os_name");
writer.WriteValue(FrameworkDescription.Instance.OSPlatform);
writer.WritePropertyName("os_version");
writer.WriteValue(Environment.OSVersion.ToString());
writer.WritePropertyName("version");
writer.WriteValue(TracerConstants.AssemblyVersion);
writer.WritePropertyName("platform");
writer.WriteValue(FrameworkDescription.Instance.ProcessArchitecture);
writer.WritePropertyName("lang");
writer.WriteValue(FrameworkDescription.Instance.Name);
writer.WritePropertyName("lang_version");
writer.WriteValue(FrameworkDescription.Instance.ProductVersion);
writer.WritePropertyName("env");
writer.WriteValue(Settings.Environment);
writer.WritePropertyName("enabled");
writer.WriteValue(Settings.TraceEnabled);
writer.WritePropertyName("service");
writer.WriteValue(DefaultServiceName);
writer.WritePropertyName("agent_url");
writer.WriteValue(Settings.AgentUri);
writer.WritePropertyName("debug");
writer.WriteValue(GlobalSettings.Source.DebugEnabled);
writer.WritePropertyName("analytics_enabled");
writer.WriteValue(Settings.AnalyticsEnabled);
writer.WritePropertyName("sample_rate");
writer.WriteValue(Settings.GlobalSamplingRate);
writer.WritePropertyName("sampling_rules");
writer.WriteValue(Settings.CustomSamplingRules);
writer.WritePropertyName("tags");
writer.WriteStartArray();
foreach (var entry in Settings.GlobalTags)
{
writer.WriteValue(string.Concat(entry.Key, ":", entry.Value));
}
writer.WriteEndArray();
writer.WritePropertyName("log_injection_enabled");
writer.WriteValue(Settings.LogsInjectionEnabled);
writer.WritePropertyName("runtime_metrics_enabled");
writer.WriteValue(Settings.RuntimeMetricsEnabled);
writer.WritePropertyName("disabled_integrations");
writer.WriteStartArray();
foreach (var integration in Settings.DisabledIntegrationNames)
{
writer.WriteValue(integration);
}
writer.WriteEndArray();
writer.WritePropertyName("netstandard_enabled");
writer.WriteValue(Settings.IsNetStandardFeatureFlagEnabled());
writer.WritePropertyName("routetemplate_resourcenames_enabled");
writer.WriteValue(Settings.RouteTemplateResourceNamesEnabled);
writer.WritePropertyName("partialflush_enabled");
writer.WriteValue(Settings.PartialFlushEnabled);
writer.WritePropertyName("partialflush_minspans");
writer.WriteValue(Settings.PartialFlushMinSpans);
writer.WritePropertyName("agent_reachable");
writer.WriteValue(agentError == null);
writer.WritePropertyName("agent_error");
writer.WriteValue(agentError ?? string.Empty);
writer.WriteEndObject();
}
Log.Information("DATADOG TRACER CONFIGURATION - {Configuration}", stringWriter.ToString());
}
catch (Exception ex)
{
Log.Warning(ex, "DATADOG TRACER DIAGNOSTICS - Error fetching configuration");
}
}
