public CommandLineParser(IHostContext hostContext, string[] secretArgNames)
{
_secretMasker = hostContext.GetService<ISecretMasker>();
_trace = hostContext.GetTrace(nameof(CommandLineParser));
Commands = new List<string>();
Flags = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
Args = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
SecretArgNames = new HashSet<string>(secretArgNames ?? new string[0], StringComparer.OrdinalIgnoreCase);
}
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);
}
// Enable perf counter trace
string perfCounterLocation = Environment.GetEnvironmentVariable("VSTS_AGENT_PERFLOG");
if (!string.IsNullOrEmpty(perfCounterLocation))
{
try
{
Directory.CreateDirectory(perfCounterLocation);
_perfFile = Path.Combine(perfCounterLocation, $"{hostType}.perf");
}
catch (Exception ex)
{
_trace.Error(ex);
}
}
}