internal UserDataHandler GetHandler(String userDataFile)
{
/*
* <script> </script> (from ec2config)
<powershell> </powershell> (from ec2config)
<eucalyptus> </eucalyptus> : for euca-specific parameter passing
<include> </include> : (optional) a list of URLs (that's to be processed with the same rule)
zipped directory
*
*/
try
{
String unzippedDir = String.Format("{0}\\unzipped", CloudInit.CloudInitDirectory);
if(Directory.Exists(unzippedDir))
Directory.Delete(unzippedDir, true);
Directory.CreateDirectory(unzippedDir);
tryDecompress(userDataFile, unzippedDir);
return new ZipHandler(unzippedDir);
}
catch (Exception ex)
{
// the user-data is not a zipped file
UserDataHandler dataHandler = null;
using (StreamReader sr = new StreamReader(File.OpenRead(userDataFile)))
{
String line = null;
while ((line = sr.ReadLine()) != null)
{
line = line.Trim();
if (line.Length > 0)
{
line = line.ToLower();
if (line.StartsWith("<script>") || line.StartsWith("<powershell>"))
dataHandler = new ScriptHandler();
else if (line.StartsWith("<eucalyptus>"))
dataHandler = new EucalyptusParameterHandler();
else if (line.StartsWith("<include>"))
dataHandler = new IncludeHandler();
else
dataHandler = new BogusHandler();
break;
}
}
}
if (dataHandler == null)
throw new EucaException("User-data is in unknown format");
return dataHandler;
}
}
internal UserDataHandler GetHandler(String userDataFile)
{
/*
* <script> </script> (from ec2config)
* <powershell> </powershell> (from ec2config)
* <eucalyptus> </eucalyptus> : for euca-specific parameter passing
* <include> </include> : (optional) a list of URLs (that's to be processed with the same rule)
* zipped directory
*
*/
try
{
String unzippedDir = String.Format("{0}\\unzipped", CloudInit.CloudInitDirectory);
if (Directory.Exists(unzippedDir))
{
Directory.Delete(unzippedDir, true);
}
Directory.CreateDirectory(unzippedDir);
tryDecompress(userDataFile, unzippedDir);
return(new ZipHandler(unzippedDir));
}
catch (Exception ex)
{
// the user-data is not a zipped file
UserDataHandler dataHandler = null;
using (StreamReader sr = new StreamReader(File.OpenRead(userDataFile)))
{
String line = null;
while ((line = sr.ReadLine()) != null)
{
line = line.Trim();
if (line.Length > 0)
{
line = line.ToLower();
if (line.StartsWith("<script>") || line.StartsWith("<powershell>"))
{
dataHandler = new ScriptHandler();
}
else if (line.StartsWith("<eucalyptus>"))
{
dataHandler = new EucalyptusParameterHandler();
}
else if (line.StartsWith("<include>"))
{
dataHandler = new IncludeHandler();
}
else
{
dataHandler = new BogusHandler();
}
break;
}
}
}
if (dataHandler == null)
{
throw new EucaException("User-data is in unknown format");
}
return(dataHandler);
}
}
