private static RetriableOperationExceptionHandler.Response AzureStorageExceptionHandler(Exception e)
{
if (e is StorageException)
{
// If this was a network error, we'll retry later. Else, we'll
// just give up.
StorageException storageException = (StorageException)e;
if (IsNetworkError(storageException.RequestInformation.HttpStatusCode))
{
return(RetriableOperationExceptionHandler.Response.Retry);
}
TraceSource.WriteExceptionAsWarning(
TraceType,
e,
"Encountered an unhandled storage exception with http code {0}",
storageException.RequestInformation.HttpStatusCode);
}
else if ((e is IOException) || (e is FabricException))
{
// If there was an error accessing the file, but it was not because
// the file was not found, we'll retry later. Else, we'll just give up.
if (false == ((e is FileNotFoundException) || (e is DirectoryNotFoundException)))
{
return(RetriableOperationExceptionHandler.Response.Retry);
}
}
return(RetriableOperationExceptionHandler.Response.Abort);
}
public static COMException CreateException(TraceType traceType, NativeTypes.FABRIC_ERROR_CODE error, string format, params object[] args)
{
string message = string.Format(CultureInfo.InvariantCulture, format, args);
var exception = new COMException(message, (int)error);
traceSource.WriteExceptionAsWarning(traceType.Name, exception);
return(exception);
}
public void WriteExceptionAsWarning(TraceType traceType, Exception ex, string format, params object[] args)
{
if (!string.IsNullOrEmpty(this.TraceId))
{
TraceSource.WriteExceptionAsWarningWithId(traceType.Name, this.TraceId, ex, format, args);
}
else
{
TraceSource.WriteExceptionAsWarning(traceType.Name, ex, format, args);
}
}
internal static string GetKernelCrashFolder(FabricEvents.ExtensionsEvents traceSource, string logSourceId)
{
string string_to_check = "Not ready to kdump";
string kdump_config_output = string.Empty;
string kernelCrashFolderPath = string.Empty;
try
{
using (var p = new Process())
{
var startInfo = new ProcessStartInfo {
FileName = "kdump-config", Arguments = "status"
};
startInfo.RedirectStandardOutput = true;
p.StartInfo = startInfo;
p.Start();
p.WaitForExit(3000);
using (var reader = p.StandardOutput)
kdump_config_output = reader.ReadToEnd();
}
if (kdump_config_output == null)
{
traceSource.WriteWarning(
logSourceId,
"kdump status output empty");
return(string.Empty);
}
}
catch (Exception e)
{
traceSource.WriteExceptionAsWarning(
logSourceId,
e);
return(string.Empty);
}
if (kdump_config_output.Contains(string_to_check))
{
traceSource.WriteWarning(
logSourceId,
"kdump is not configured");
return(string.Empty);
}
try
{
using (var p = new Process())
{
var startInfo = new ProcessStartInfo {
FileName = "/bin/bash", Arguments = "-c \" kdump-config show | grep \"KDUMP_COREDIR:\" | cut -f 5 -d' ' \" "
};
startInfo.RedirectStandardOutput = true;
p.StartInfo = startInfo;
p.Start();
p.WaitForExit(3000);
using (var reader = p.StandardOutput)
{
kdump_config_output = reader.ReadToEnd();
}
}
if (kdump_config_output == null)
{
traceSource.WriteWarning(
logSourceId,
"kdump config output empty");
return(string.Empty);
}
kernelCrashFolderPath = Path.GetFullPath(kdump_config_output);
}
catch (Exception e)
{
traceSource.WriteExceptionAsWarning(
logSourceId,
e);
return(string.Empty);
}
return(kernelCrashFolderPath.Trim());
}