| public HandleUserData ( String userDataFile ) : void | ||
| userDataFile | String | |
| return | void | |
/*
* <include>
* http://myhost/user-data1
* http://myhost/user-data2
* </include>
*
*/
override protected void Handle()
{
var urls = this.AsMultiLinesWithoutTag;
var validUrls = urls.Where(url =>
url.ToLower().StartsWith("http://"));
List <String> localUserData = new List <String>();
foreach (String url in validUrls)
{
String filePath = String.Format("{0}\\{1}.txt",
CloudInit.CloudInitDirectory, Guid.NewGuid().ToString().Substring(0, 8));
try{
EucaUtil.Curl(url, filePath);
localUserData.Add(filePath);
}catch (Exception ex) {
EucaLogger.Exception(String.Format("Failed to download from the include url {0}", url), ex);
continue;
}
}
foreach (String userDataFile in localUserData)
{
UserDataHandler handler = null;
try
{
handler = UserDataHandlerFactory.Instance.GetHandler(userDataFile);
}
catch (Exception ex)
{
EucaLogger.Exception("Unable to find the right handler for include file", ex);
}
try
{
handler.HandleUserData(userDataFile);
}
catch (Exception ex)
{
EucaLogger.Exception("Failed to handle the user data", ex);
}
}
foreach (String userDataFile in localUserData)
{
File.Delete(userDataFile);
}
}
public void Init()
{
string userDataFile = null;
try
{
userDataFile = CloudInit.CloudInitDirectory + "\\user-data";
EucaUtil.GetUserData(userDataFile);
if (!File.Exists(userDataFile))
{
throw new EucaException("User data file not found");
}
if ((new FileInfo(userDataFile)).Length <= 0)
{
throw new EucaException("Invalid user data file");
}
}
catch (Exception ex)
{
EucaLogger.Debug("Unable to download the user-data");
throw ex;
}
// detect the contents
UserDataHandler handler = null;
try
{
handler = UserDataHandlerFactory.Instance.GetHandler(userDataFile);
}
catch (Exception ex)
{
EucaLogger.Exception("Unable to find the handler for matching user-data contents", ex);
return;
}
// invoke handler
try
{
handler.HandleUserData(userDataFile);
}
catch (Exception e)
{
EucaLogger.Exception("User data handler threw exception", e);
}
// return
}