/// <summary>
/// Initializes a new instance of the <see cref="TracerSettings"/> class
/// using the specified <see cref="IConfigurationSource"/> to initialize values.
/// </summary>
/// <param name="source">The <see cref="IConfigurationSource"/> to use when retrieving configuration values.</param>
public TracerSettings(IConfigurationSource source)
{
ConfigurationSource = source;
Environment = source?.GetString(ConfigurationKeys.Environment);
ServiceName = source?.GetString(ConfigurationKeys.ServiceName) ??
// backwards compatibility for names used in the past
source?.GetString("OTEL_SERVICE_NAME");
ServiceVersion = source?.GetString(ConfigurationKeys.ServiceVersion);
TraceEnabled = source?.GetBool(ConfigurationKeys.TraceEnabled) ??
// default value
true;
if (AzureAppServices.Metadata.IsRelevant && AzureAppServices.Metadata.IsUnsafeToTrace)
{
TraceEnabled = false;
}
DisabledIntegrationNames = new HashSet <string>(source.GetStrings(ConfigurationKeys.DisabledIntegrations), StringComparer.OrdinalIgnoreCase);
AdoNetExcludedTypes = new HashSet <string>(source.GetStrings(ConfigurationKeys.AdoNetExcludedTypes), StringComparer.OrdinalIgnoreCase);
Integrations = new IntegrationSettingsCollection(source);
var agentHost = source?.GetString(ConfigurationKeys.AgentHost) ??
// backwards compatibility for names used in the past
source?.GetString("OTEL_TRACE_AGENT_HOSTNAME") ??
// default value
DefaultAgentHost;
var agentPort = source?.GetInt32(ConfigurationKeys.AgentPort) ??
// backwards compatibility for names used in the past
source?.GetInt32("OTEL_TRACE_AGENT_PORT") ??
// default value
DefaultAgentPort;
var agentUri = source?.GetString(ConfigurationKeys.AgentUri) ??
// default value
$"http://{agentHost}:{agentPort}";
AgentUri = new Uri(agentUri);
TracesPipeName = source?.GetString(ConfigurationKeys.TracesPipeName);
TracesPipeTimeoutMs = source?.GetInt32(ConfigurationKeys.TracesPipeTimeoutMs)
#if DEBUG
?? 20_000;
/// <summary>
/// Initializes a new instance of the <see cref="TracerSettings"/> class
/// using the specified <see cref="IConfigurationSource"/> to initialize values.
/// </summary>
/// <param name="source">The <see cref="IConfigurationSource"/> to use when retrieving configuration values.</param>
public TracerSettings(IConfigurationSource source)
{
Environment = source?.GetString(ConfigurationKeys.Environment);
ServiceName = source?.GetString(ConfigurationKeys.ServiceName);
ServiceVersion = source?.GetString(ConfigurationKeys.ServiceVersion);
SignalFxAccessToken = source?.GetString(ConfigurationKeys.SignalFxAccessToken);
TraceEnabled = source?.GetBool(ConfigurationKeys.TraceEnabled) ??
// default value
true;
if (AzureAppServices.Metadata.IsRelevant && AzureAppServices.Metadata.IsUnsafeToTrace)
{
TraceEnabled = false;
}
DisabledIntegrationNames = new HashSet <string>(source.GetStrings(ConfigurationKeys.DisabledIntegrations), StringComparer.OrdinalIgnoreCase);
Integrations = new IntegrationSettingsCollection(source);
ExporterSettings = new ExporterSettings(source);
#pragma warning disable 618 // App analytics is deprecated, but still used
AnalyticsEnabled = source?.GetBool(ConfigurationKeys.GlobalAnalyticsEnabled) ??
// default value
false;
#pragma warning restore 618
MaxTracesSubmittedPerSecond = source?.GetInt32(ConfigurationKeys.TraceRateLimit) ??
// default value
100;
GlobalTags = source?.GetDictionary(ConfigurationKeys.GlobalTags) ??
// default value (empty)
new ConcurrentDictionary <string, string>();
// Filter out tags with empty keys or empty values, and trim whitespace
GlobalTags = GlobalTags.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key) && !string.IsNullOrWhiteSpace(kvp.Value))
.ToDictionary(kvp => kvp.Key.Trim(), kvp => kvp.Value.Trim());
var inputHeaderTags = source?.GetDictionary(ConfigurationKeys.HeaderTags, allowOptionalMappings: true) ??
// default value (empty)
new Dictionary <string, string>();
var headerTagsNormalizationFixEnabled = source?.GetBool(ConfigurationKeys.FeatureFlags.HeaderTagsNormalizationFixEnabled) ?? true;
// Filter out tags with empty keys or empty values, and trim whitespaces
HeaderTags = InitializeHeaderTags(inputHeaderTags, headerTagsNormalizationFixEnabled);
var serviceNameMappings = source?.GetDictionary(ConfigurationKeys.ServiceNameMappings)
?.Where(kvp => !string.IsNullOrWhiteSpace(kvp.Key) && !string.IsNullOrWhiteSpace(kvp.Value))
?.ToDictionary(kvp => kvp.Key.Trim(), kvp => kvp.Value.Trim());
ServiceNameMappings = new ServiceNames(serviceNameMappings);
TracerMetricsEnabled = source?.GetBool(ConfigurationKeys.TracerMetricsEnabled) ??
// default value
false;
TagRedisCommands = source?.GetBool(ConfigurationKeys.TagRedisCommands) ??
// default value
true;
RuntimeMetricsEnabled = source?.GetBool(ConfigurationKeys.RuntimeMetricsEnabled) ??
false;
CustomSamplingRules = source?.GetString(ConfigurationKeys.CustomSamplingRules);
GlobalSamplingRate = source?.GetDouble(ConfigurationKeys.GlobalSamplingRate);
StartupDiagnosticLogEnabled = source?.GetBool(ConfigurationKeys.StartupDiagnosticLogEnabled) ??
// default value
true;
Exporter = source.GetTypedValue <ExporterType>(ConfigurationKeys.Exporter);
Convention = source.GetTypedValue <ConventionType>(ConfigurationKeys.Convention);
var urlSubstringSkips = source?.GetString(ConfigurationKeys.HttpClientExcludedUrlSubstrings) ??
// default value
(AzureAppServices.Metadata.IsRelevant ? AzureAppServices.Metadata.DefaultHttpClientExclusions : null);
if (urlSubstringSkips != null)
{
HttpClientExcludedUrlSubstrings = TrimSplitString(urlSubstringSkips.ToUpperInvariant(), ',').ToArray();
}
var httpServerErrorStatusCodes = source?.GetString(ConfigurationKeys.HttpServerErrorStatusCodes) ??
// Default value
"500-599";
HttpServerErrorStatusCodes = ParseHttpCodesToArray(httpServerErrorStatusCodes);
var httpClientErrorStatusCodes = source?.GetString(ConfigurationKeys.HttpClientErrorStatusCodes) ??
// Default value
"400-599";
HttpClientErrorStatusCodes = ParseHttpCodesToArray(httpClientErrorStatusCodes);
TraceBufferSize = source?.GetInt32(ConfigurationKeys.BufferSize)
?? 1024 * 1024 * 10; // 10MB
TraceBatchInterval = source?.GetInt32(ConfigurationKeys.SerializationBatchInterval)
?? 100;
RecordedValueMaxLength = source.SafeReadInt32(
key: ConfigurationKeys.RecordedValueMaxLength,
defaultTo: DefaultRecordedValueMaxLength,
validators: (value) => value >= 0);
RouteTemplateResourceNamesEnabled = source?.GetBool(ConfigurationKeys.FeatureFlags.RouteTemplateResourceNamesEnabled)
?? true;
TraceResponseHeaderEnabled = source?.GetBool(ConfigurationKeys.TraceResponseHeaderEnabled)
?? true;
ExpandRouteTemplatesEnabled = source?.GetBool(ConfigurationKeys.ExpandRouteTemplatesEnabled)
// disabled by default if route template resource names enabled
?? !RouteTemplateResourceNamesEnabled;
KafkaCreateConsumerScopeEnabled = source?.GetBool(ConfigurationKeys.KafkaCreateConsumerScopeEnabled)
?? true; // default
TagMongoCommands = source?.GetBool(ConfigurationKeys.TagMongoCommands) ?? true;
DelayWcfInstrumentationEnabled = source?.GetBool(ConfigurationKeys.FeatureFlags.DelayWcfInstrumentationEnabled)
?? false;
PropagationStyleInject = TrimSplitString(source?.GetString(ConfigurationKeys.Propagators) ?? $"{nameof(Propagators.ContextPropagators.Names.B3)},{nameof(Propagators.ContextPropagators.Names.W3C)}", ',').ToArray();
PropagationStyleExtract = PropagationStyleInject;
TagElasticsearchQueries = source?.GetBool(ConfigurationKeys.TagElasticsearchQueries) ?? true;
// If you change this, change environment_variables.h too
ThreadSamplingEnabled = source?.GetBool(ConfigurationKeys.AlwaysOnProfiler.Enabled) ?? false;
ThreadSamplingPeriod = GetThreadSamplingPeriod(source);
LogSubmissionSettings = new DirectLogSubmissionSettings(source);
TraceMethods = source?.GetString(ConfigurationKeys.TraceMethods) ??
// Default value
string.Empty;
var grpcTags = source?.GetDictionary(ConfigurationKeys.GrpcTags, allowOptionalMappings: true) ??
// default value (empty)
new Dictionary <string, string>();
// Filter out tags with empty keys or empty values, and trim whitespaces
GrpcTags = InitializeHeaderTags(grpcTags, headerTagsNormalizationFixEnabled: true);
IsActivityListenerEnabled = source?.GetBool(ConfigurationKeys.FeatureFlags.ActivityListenerEnabled) ??
// default value
false;
if (IsActivityListenerEnabled)
{
// If the activities support is activated, we must enable W3C propagators
if (!Array.Exists(PropagationStyleExtract, key => string.Equals(key, nameof(Propagators.ContextPropagators.Names.W3C), StringComparison.OrdinalIgnoreCase)))
{
PropagationStyleExtract = PropagationStyleExtract.Concat(nameof(Propagators.ContextPropagators.Names.W3C));
}
if (!Array.Exists(PropagationStyleInject, key => string.Equals(key, nameof(Propagators.ContextPropagators.Names.W3C), StringComparison.OrdinalIgnoreCase)))
{
PropagationStyleInject = PropagationStyleInject.Concat(nameof(Propagators.ContextPropagators.Names.W3C));
}
}
}