protected override void OnEventWritten(EventWrittenEventArgs eventData)
{
if (eventData == null)
{
return;
}
string message = eventData.Message;
object[] payload = new object[0];
if (eventData.Payload != null && eventData.Payload.Count > 0)
{
payload = eventData.Payload.ToArray();
}
try
{
if (_vssHttpMethodEventIds.Contains(eventData.EventId))
{
payload[0] = Enum.Parse(typeof(VssHttpMethod), ((int)payload[0]).ToString());
}
else if (_vssHttpCredentialEventIds.Contains(eventData.EventId))
{
payload[0] = Enum.Parse(typeof(VisualStudio.Services.Common.VssCredentialsType), ((int)payload[0]).ToString());
}
if (payload.Length > 0)
{
message = String.Format(eventData.Message.Replace("%n", Environment.NewLine), payload);
}
switch (eventData.Level)
{
case EventLevel.Critical:
case EventLevel.Error:
_vssTrace.Error(message);
break;
case EventLevel.Warning:
_vssTrace.Warning(message);
break;
case EventLevel.Informational:
_vssTrace.Info(message);
break;
default:
_vssTrace.Verbose(message);
break;
}
}
catch (Exception ex)
{
_vssTrace.Error(ex);
_vssTrace.Info(eventData.Message);
_vssTrace.Info(string.Join(", ", eventData.Payload?.ToArray() ?? new string[0]));
}
}
public HostContext(string hostType, string logFile = null)
{
// Validate args.
ArgUtil.NotNullOrEmpty(hostType, nameof(hostType));
_loadContext = AssemblyLoadContext.GetLoadContext(typeof(HostContext).GetTypeInfo().Assembly);
_loadContext.Unloading += LoadContext_Unloading;
this.SecretMasker.AddValueEncoder(ValueEncoders.JsonStringEscape);
this.SecretMasker.AddValueEncoder(ValueEncoders.UriDataEscape);
// Create the trace manager.
if (string.IsNullOrEmpty(logFile))
{
int logPageSize;
string logSizeEnv = Environment.GetEnvironmentVariable($"{hostType.ToUpperInvariant()}_LOGSIZE");
if (!string.IsNullOrEmpty(logSizeEnv) || !int.TryParse(logSizeEnv, out logPageSize))
{
logPageSize = _defaultLogPageSize;
}
int logRetentionDays;
string logRetentionDaysEnv = Environment.GetEnvironmentVariable($"{hostType.ToUpperInvariant()}_LOGRETENTION");
if (!string.IsNullOrEmpty(logRetentionDaysEnv) || !int.TryParse(logRetentionDaysEnv, out logRetentionDays))
{
logRetentionDays = _defaultLogRetentionDays;
}
// this should give us _diag folder under agent root directory
string diagLogDirectory = Path.Combine(new DirectoryInfo(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location)).Parent.FullName, Constants.Path.DiagDirectory);
_traceManager = new TraceManager(new HostTraceListener(diagLogDirectory, hostType, logPageSize, logRetentionDays), this.SecretMasker);
}
else
{
_traceManager = new TraceManager(new HostTraceListener(logFile), this.SecretMasker);
}
_trace = GetTrace(nameof(HostContext));
_vssTrace = GetTrace(nameof(VisualStudio) + nameof(VisualStudio.Services)); // VisualStudioService
// Enable Http trace
bool enableHttpTrace;
if (bool.TryParse(Environment.GetEnvironmentVariable("VSTS_AGENT_HTTPTRACE"), out enableHttpTrace) && enableHttpTrace)
{
_trace.Warning("*****************************************************************************************");
_trace.Warning("** **");
_trace.Warning("** Http trace is enabled, all your http traffic will be dumped into agent diag log. **");
_trace.Warning("** DO NOT share the log in public place! The trace may contains secrets in plain text. **");
_trace.Warning("** **");
_trace.Warning("*****************************************************************************************");
_httpTrace = GetTrace("HttpTrace");
_diagListenerSubscription = DiagnosticListener.AllListeners.Subscribe(this);
}
}
public HostContext(string hostType, string logFile = null)
{
// Validate args.
ArgUtil.NotNullOrEmpty(hostType, nameof(hostType));
_loadContext = AssemblyLoadContext.GetLoadContext(typeof(HostContext).GetTypeInfo().Assembly);
_loadContext.Unloading += LoadContext_Unloading;
// Create the trace manager.
if (string.IsNullOrEmpty(logFile))
{
int logPageSize;
string logSizeEnv = Environment.GetEnvironmentVariable($"{hostType.ToUpperInvariant()}_LOGSIZE");
if (!string.IsNullOrEmpty(logSizeEnv) || !int.TryParse(logSizeEnv, out logPageSize))
{
logPageSize = _defaultLogPageSize;
}
int logRetentionDays;
string logRetentionDaysEnv = Environment.GetEnvironmentVariable($"{hostType.ToUpperInvariant()}_LOGRETENTION");
if (!string.IsNullOrEmpty(logRetentionDaysEnv) || !int.TryParse(logRetentionDaysEnv, out logRetentionDays))
{
logRetentionDays = _defaultLogRetentionDays;
}
_traceManager = new TraceManager(new HostTraceListener(hostType, logPageSize, logRetentionDays), GetService <ISecretMasker>());
}
else
{
_traceManager = new TraceManager(new HostTraceListener(logFile), GetService <ISecretMasker>());
}
_trace = GetTrace(nameof(HostContext));
_vssTrace = GetTrace(nameof(VisualStudio) + nameof(VisualStudio.Services)); // VisualStudioService
// Enable Http trace
bool enableHttpTrace;
if (bool.TryParse(Environment.GetEnvironmentVariable("VSTS_AGENT_HTTPTRACE"), out enableHttpTrace) && enableHttpTrace)
{
_trace.Warning("*****************************************************************************************");
_trace.Warning("** **");
_trace.Warning("** Http trace is enabled, all your http traffic will be dumped into agent diag log. **");
_trace.Warning("** DO NOT share the log in public place! The trace may contains secrets in plain text. **");
_trace.Warning("** **");
_trace.Warning("*****************************************************************************************");
_httpTrace = GetTrace("HttpTrace");
_diagListenerSubscription = DiagnosticListener.AllListeners.Subscribe(this);
}
}
public HostContext(string hostType, string logFile = null)
{
// Validate args.
ArgUtil.NotNullOrEmpty(hostType, nameof(hostType));
_loadContext = AssemblyLoadContext.GetLoadContext(typeof(HostContext).GetTypeInfo().Assembly);
_loadContext.Unloading += LoadContext_Unloading;
this.SecretMasker.AddValueEncoder(ValueEncoders.JsonStringEscape);
this.SecretMasker.AddValueEncoder(ValueEncoders.UriDataEscape);
this.SecretMasker.AddValueEncoder(ValueEncoders.BackslashEscape);
this.SecretMasker.AddRegex(AdditionalMaskingRegexes.UrlSecretPattern);
if (AgentKnobs.MaskUsingCredScanRegexes.GetValue(this).AsBoolean())
{
foreach (var pattern in AdditionalMaskingRegexes.CredScanPatterns)
{
this.SecretMasker.AddRegex(pattern);
}
}
// Create the trace manager.
if (string.IsNullOrEmpty(logFile))
{
int logPageSize;
string logSizeEnv = Environment.GetEnvironmentVariable($"{hostType.ToUpperInvariant()}_LOGSIZE");
if (!string.IsNullOrEmpty(logSizeEnv) || !int.TryParse(logSizeEnv, out logPageSize))
{
logPageSize = _defaultLogPageSize;
}
int logRetentionDays;
string logRetentionDaysEnv = Environment.GetEnvironmentVariable($"{hostType.ToUpperInvariant()}_LOGRETENTION");
if (!string.IsNullOrEmpty(logRetentionDaysEnv) || !int.TryParse(logRetentionDaysEnv, out logRetentionDays))
{
logRetentionDays = _defaultLogRetentionDays;
}
// this should give us _diag folder under agent root directory
string diagLogDirectory = Path.Combine(new DirectoryInfo(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location)).Parent.FullName, Constants.Path.DiagDirectory);
_traceManager = new TraceManager(new HostTraceListener(diagLogDirectory, hostType, logPageSize, logRetentionDays), this.SecretMasker);
}
else
{
_traceManager = new TraceManager(new HostTraceListener(logFile), this.SecretMasker);
}
_trace = GetTrace(nameof(HostContext));
_vssTrace = GetTrace(nameof(VisualStudio) + nameof(VisualStudio.Services)); // VisualStudioService
// Enable Http trace
if (AgentKnobs.HttpTrace.GetValue(this).AsBoolean())
{
_trace.Warning("*****************************************************************************************");
_trace.Warning("** **");
_trace.Warning("** Http trace is enabled, all your http traffic will be dumped into agent diag log. **");
_trace.Warning("** DO NOT share the log in public place! The trace may contains secrets in plain text. **");
_trace.Warning("** **");
_trace.Warning("*****************************************************************************************");
_httpTrace = GetTrace("HttpTrace");
_diagListenerSubscription = DiagnosticListener.AllListeners.Subscribe(this);
}
// Enable perf counter trace
string perfCounterLocation = AgentKnobs.AgentPerflog.GetValue(this).AsString();
if (!string.IsNullOrEmpty(perfCounterLocation))
{
try
{
Directory.CreateDirectory(perfCounterLocation);
_perfFile = Path.Combine(perfCounterLocation, $"{hostType}.perf");
}
catch (Exception ex)
{
_trace.Error(ex);
}
}
}