public static IProductConfiguration ApplyDevDefaults(this IProductConfiguration config)
{
if (config == null)
{
return(null);
}
var mutableConfig = new MutableProductConfiguration(config);
// mutableConfig.ProfilesExport_DefaultInterval = TimeSpan.FromSeconds(20);
mutableConfig.ProfilesExport_DefaultInterval = TimeSpan.FromSeconds(60);
// These bytes are counted as encoded in the buffer segment, i.e. each snapshot takes (26 + 9 per frame) bytes (see StackSnapshotResult.h).
// Snapshots with 100 frames: 1 snapshot uses 926 bytes, 1MB holds 1132 such snapshots.
// Snapshots with 50 frames: 1 snapshot uses 476 bytes, 1MB holds 2202 such snapshots
// Snapshots with 35 frames: 1 snapshot uses 341 bytes, 1MB holds 3075 such snapshots.
//
// We will not sample 5 threads more often than once every 9 milliseconds.
// Assuming 50 frames per snapshot on average (based on some ad-hoc tests with Computer01 demo
// it is a safe upper bound for the average), we don't expect to generate more than ~33,333 (= 5 * 60 * 1000 / 9) snapshots per minute
// --> which requires 33,333 / 2202 ~= 15 MB.
// A 50 MB buffer will work for ~3+ minutes
// 50,000 samples currespond to ~22 MB.
mutableConfig.ProfilesExport_EarlyTriggerOnCollectedStackSnapshotsBytes = 50 * 1024 * 1024; // 50 MBytes
mutableConfig.ProfilesExport_EarlyTriggerOnCollectedStackSnapshotsCount = 50000;
mutableConfig.ProfilesExport_LocalFiles_Directory = ConfigurationProviderUtils.GetOsSpecificDefaultPProfDirectory();
// If Ingestion Endpoint Url is specified, the Host, Port and ApiPath are ignored.
// mutableConfig.ProfilesIngestionEndpoint_Url = "https://intake.profile.datadoghq.com/v1/input";
// --> to local agent that sends to staging
// mutableConfig.ProfilesIngestionEndpoint_Host = "127.0.0.1"; // Local agent (avoids the IPv4 wait that can occur when using "localhost")
// mutableConfig.ProfilesIngestionEndpoint_Host = "localhost"; // Local agent
// mutableConfig.ProfilesIngestionEndpoint_Host = "intake.profile.datadoghq.com"; // Main DD ingestion endpoint for agent-less
// mutableConfig.ProfilesIngestionEndpoint_Host = "intake.profile.datad0g.com"; // Staging DD ingestion endpoint for agent-less
mutableConfig.ProfilesIngestionEndpoint_Port = 8126; // Local agent's default port
// mutableConfig.ProfilesIngestionEndpoint_Port = 0; // Value <= 0 will result the defaut port for the protocol being used.
mutableConfig.ProfilesIngestionEndpoint_ApiPath = "profiling/v1/input"; // Local agent's API path.
// mutableConfig.ProfilesIngestionEndpoint_ApiPath = "v1/input"; // DD ingestion endpoint's API path (for agent-less scenarios)
// Api Key is not required for agent-based ingestion scenarios; it IS required for agent-less ingestion.
// mutableConfig.ProfilesIngestionEndpoint_DatadogApiKey = "xxx";
// mutableConfig.ProfilesIngestionEndpoint_DatadogApiKey = null;
// --> to preprod
mutableConfig.ProfilesIngestionEndpoint_Url = "https://intake.profile.datadoghq.com/v1/input";
mutableConfig.ProfilesIngestionEndpoint_DatadogApiKey = string.Empty;
string ddService = ConfigurationProviderUtils.GetDdServiceFallback();
mutableConfig.DDDataTags_Host = ConfigurationProviderUtils.GetMachineName();
mutableConfig.DDDataTags_Service = string.IsNullOrWhiteSpace(ddService) ? ".Net-Profiling-TestService01" : ddService;
mutableConfig.DDDataTags_Env = "APM-Profiling-Local";
mutableConfig.DDDataTags_Version = "Demo-Version-11";
mutableConfig.DDDataTags_CustomTags = new KeyValuePair <string, string>[]
{
new KeyValuePair <string, string>("CustomTag A", string.Empty),
new KeyValuePair <string, string>(null, "Some Value B"),
new KeyValuePair <string, string>("CustomTag C", "Some Value C"),
new KeyValuePair <string, string>("service", "Foo-Bar")
};
mutableConfig.Log_IsDebugEnabled = true;
mutableConfig.Log_PreferredLogFileDirectory = ConfigurationProviderUtils.GetOsSpecificDefaultLogDirectory();
mutableConfig.Metrics_Operational_IsEnabled = false;
mutableConfig.Metrics_StatsdAgent_Port = 8125;
// For now, the default installation does not collect native frames.
// The user can, however, enable it using an environment variable (see 'EnvironmentVariablesConfigurationProvider').
// This should be changed once the UI supports appropriate filtering.
mutableConfig.FrameKinds_Native_IsEnabled = false;
return(mutableConfig.CreateImmutableSnapshot());
}
public static IProductConfiguration ApplyEnvironmentVariables(this IProductConfiguration config)
{
if (config == null)
{
return(null);
}
var mutableConfig = new MutableProductConfiguration(config);
if (TryGetEnvironmentVariable("SIGNALFX_PROFILING_UPLOAD_PERIOD", out string envProfilesExportDefaultInterval))
{
if (int.TryParse(envProfilesExportDefaultInterval, out var profilesExportDefaultInterval))
{
mutableConfig.ProfilesExport_DefaultInterval = TimeSpan.FromSeconds(profilesExportDefaultInterval);
}
else
{
Log.Error(
Log.WithCallInfo(LogComponentMoniker),
"The environment variable \"SIGNALFX_PROFILING_UPLOAD_PERIOD\" is specified (\"",
envProfilesExportDefaultInterval,
"\") but cannot be parsed as an int. Using original value: ",
mutableConfig.ProfilesExport_DefaultInterval);
}
}
if (TryGetEnvironmentVariable("SIGNALFX_PROFILING_OUTPUT_DIR", out string directory))
{
mutableConfig.ProfilesExport_LocalFiles_Directory = directory;
}
// If Ingestion Endpoint Url is specified, the Host, Port and ApiPath are ignored.
// However, that logic is inside the export loop that actually interprets those values.
// At this point we just extract all of the info that is contained in the environment variables.
// If both, URL and Host-Port-Etc are specified, we will extract them all and leave the
// priorization logic of what to use to the config consumer.
if (TryGetEnvironmentVariable("SIGNALFX_TRACE_AGENT_URL", out string ddTraceAgentUrl))
{
mutableConfig.ProfilesIngestionEndpoint_Url = ddTraceAgentUrl;
}
if (TryGetEnvironmentVariable("SIGNALFX_AGENT_HOST", out string ddTraceAgentHost))
{
mutableConfig.ProfilesIngestionEndpoint_Host = ddTraceAgentHost;
}
if (TryGetEnvironmentVariable("SIGNALFX_TRACE_AGENT_PORT", out string szTraceAgentPort))
{
if (int.TryParse(szTraceAgentPort, out int port))
{
mutableConfig.ProfilesIngestionEndpoint_Port = port;
}
else
{
Log.Error(
Log.WithCallInfo(LogComponentMoniker),
"The environment variable \"SIGNALFX_TRACE_AGENT_PORT\" is specified (",
szTraceAgentPort,
") but cannot be parsed as a number and will be ignored.");
}
}
// Api Key is not required for agent-based ingestion scnarios; it IS required for agent-less ingestion.
if (TryGetEnvironmentVariable("SIGNALFX_API_KEY", out string ddApiKey))
{
mutableConfig.ProfilesIngestionEndpoint_DatadogApiKey = ddApiKey;
}
if (TryGetEnvironmentVariable("SIGNALFX_HOSTNAME", out string ddHostName))
{
mutableConfig.DDDataTags_Host = ddHostName;
}
if (TryGetEnvironmentVariable("SIGNALFX_SERVICE", out string ddServiceName))
{
mutableConfig.DDDataTags_Service = ddServiceName;
}
if (TryGetEnvironmentVariable("SIGNALFX_ENV", out string ddEnvironment))
{
mutableConfig.DDDataTags_Env = ddEnvironment;
}
if (TryGetEnvironmentVariable("SIGNALFX_VERSION", out string ddServiceVersion))
{
mutableConfig.DDDataTags_Version = ddServiceVersion;
}
if (TryGetEnvironmentVariable("SIGNALFX_TAGS", out string ddTagsStr))
{
mutableConfig.DDDataTags_CustomTags = ParseAndMergeDdTags(mutableConfig.DDDataTags_CustomTags, ddTagsStr);
}
if (TryGetEnvironmentVariable("SIGNALFX_TRACE_DEBUG", out string envIsTraceDebugEnabled))
{
const bool isTraceDebugEnabled = true;
if (
ConfigurationProviderUtils.TryParseBooleanSettingStr(
envIsTraceDebugEnabled,
isTraceDebugEnabled,
out bool ddIsTraceDebugEnabledVal))
{
mutableConfig.Log_IsDebugEnabled = ddIsTraceDebugEnabledVal;
}
else
{
Log.Error(
Log.WithCallInfo(LogComponentMoniker),
"The environment variable \"SIGNALFX_TRACE_DEBUG\" is specified (",
envIsTraceDebugEnabled,
$") but cannot be parsed as a boolean. Using {isTraceDebugEnabled.ToString()} as default");
mutableConfig.Log_IsDebugEnabled = isTraceDebugEnabled;
}
}
if (TryGetEnvironmentVariable("SIGNALFX_PROFILING_LOG_DIR", out string ddTraceLogDirectory))
{
mutableConfig.Log_PreferredLogFileDirectory = ddTraceLogDirectory;
}
if (TryGetEnvironmentVariable("SIGNALFX_INTERNAL_OPERATIONAL_METRICS_ENABLED", out string envIsEnabled))
{
const bool isOperationalMetricsEnabled = false;
if (ConfigurationProviderUtils.TryParseBooleanSettingStr(envIsEnabled, isOperationalMetricsEnabled, out bool isEnabled))
{
mutableConfig.Metrics_Operational_IsEnabled = isEnabled;
}
else
{
Log.Error(
Log.WithCallInfo(LogComponentMoniker),
"The environment variable \"SIGNALFX_INTERNAL_OPERATIONAL_METRICS_ENABLED\" is specified (",
envIsEnabled,
$") but cannot be parsed as a boolean. Using {isOperationalMetricsEnabled.ToString()} as default");
mutableConfig.Log_IsDebugEnabled = isOperationalMetricsEnabled;
}
}
if (TryGetEnvironmentVariable("SIGNALFX_PROFILING_FRAMES_NATIVE_ENABLED", out string envFramesNativeIsEnabled))
{
const bool isFramesNativeEnabled = false;
if (ConfigurationProviderUtils.TryParseBooleanSettingStr(envFramesNativeIsEnabled, isFramesNativeEnabled, out bool isEnabled))
{
mutableConfig.FrameKinds_Native_IsEnabled = isEnabled;
}
else
{
Log.Error(
Log.WithCallInfo(LogComponentMoniker),
"The environment variable \"SIGNALFX_PROFILING_FRAMES_NATIVE_ENABLED\" is specified (",
envFramesNativeIsEnabled,
$") but cannot be parsed as a boolean. Using isFramesNativeEnabled.ToString() as default");
mutableConfig.FrameKinds_Native_IsEnabled = isFramesNativeEnabled;
}
}
return(mutableConfig.CreateImmutableSnapshot());
}
public static IProductConfiguration ApplyReleaseDefaults(this IProductConfiguration config)
{
if (config == null)
{
return(null);
}
var mutableConfig = new MutableProductConfiguration(config);
mutableConfig.ProfilesExport_DefaultInterval = TimeSpan.FromSeconds(60);
// These bytes are counted as encoded in the buffer segment, i.e. each snapshot takes (26 + 9 per frame) bytes (see StackSnapshotResult.h).
// Snapshots with 100 frames: 1 snapshot uses 926 bytes, 1MB holds 1132 such snapshots.
// Snapshots with 50 frames: 1 snapshot uses 476 bytes, 1MB holds 2202 such snapshots
// Snapshots with 35 frames: 1 snapshot uses 341 bytes, 1MB holds 3075 such snapshots.
//
// We will not sample 5 threads more often than once every 9 milliseconds.
// Assuming 50 frames per snapshot on average (based on some ad-hoc tests with Computer01 demo
// it is a safe upper bound for the average), we don't expect to generate more than ~33333 (= 5 * 60 * 1000 / 9) snapshots per minute
// --> which requires 33333 / 2202 ~= 15 MB.
// A 500 MB buffer will work for ~33 minutes
// 1,000,000 samples currespond to ~454 MB.
//
// Based on the above, we go with the magic numbers that will limit the buffer to 500 MB and 1 Mio samples
// by triggering the profiles export if those thresholds are met.
// These are round numbers that will keep the impact on the customer app in check during early beta stages.
// During the public beta we need to validate these assumptions and see if the numbers need to be tweaked in either direction.
mutableConfig.ProfilesExport_EarlyTriggerOnCollectedStackSnapshotsBytes = 500 * 1024 * 1024; // 500 MBytes
mutableConfig.ProfilesExport_EarlyTriggerOnCollectedStackSnapshotsCount = 1000000; // 1,000,000 stack samples
mutableConfig.ProfilesExport_LocalFiles_Directory = null;
mutableConfig.ProfilesIngestionEndpoint_Url = null; // If Ingestion Endpoint Url is specified, the Host, Port and ApiPath are ignored.
mutableConfig.ProfilesIngestionEndpoint_Host = "127.0.0.1"; // Local agent (avoids the IPv4 wait that can occur when using "localhost")
mutableConfig.ProfilesIngestionEndpoint_Port = 8126; // Local agent's default port
mutableConfig.ProfilesIngestionEndpoint_ApiPath = "profiling/v1/input"; // Local agent's API path.
// Api Key is not required for agent-based ingestion scnarios; it IS required for agent-less ingestion.
mutableConfig.ProfilesIngestionEndpoint_DatadogApiKey = null;
// For RELEASE, the we use defaults below, and better values need to be created by setting respective environment variables
// (see the .ApplyEnvironmentVariables() API in EnvironmentVariablesConfigurationProvider).
string ddService = ConfigurationProviderUtils.GetDdServiceFallback();
mutableConfig.DDDataTags_Host = ConfigurationProviderUtils.GetMachineName();
mutableConfig.DDDataTags_Service = string.IsNullOrWhiteSpace(ddService) ? "Unspecified-Service" : ddService;
mutableConfig.DDDataTags_Env = "Unspecified-Environment";
mutableConfig.DDDataTags_Version = "Unspecified-Version";
mutableConfig.DDDataTags_CustomTags = new KeyValuePair <string, string> [0];
// When we get to public beta, Debug-Logging should be DISABLED by default.
// However, while we are still working towards that level of maturity, debug logs are almost always helpful.
mutableConfig.Log_IsDebugEnabled = true;
mutableConfig.Log_PreferredLogFileDirectory = ConfigurationProviderUtils.GetOsSpecificDefaultLogDirectory();
mutableConfig.Metrics_Operational_IsEnabled = false;
mutableConfig.Metrics_StatsdAgent_Port = 8125;
// For now, the default installation does not collect native frames.
// The user can, however, enable it using an environment variable (see 'EnvironmentVariablesConfigurationProvider').
// This should be changed once the UI supports appropriate filtering.
mutableConfig.FrameKinds_Native_IsEnabled = false;
return(mutableConfig.CreateImmutableSnapshot());
}