/// <summary>This method uses the currentUser, and real user to create a proxy</summary>
/// <param name="effectiveUser">The user who is being proxied by the real user</param>
/// <param name="realUser">The actual user who does the command</param>
/// <returns>Proxy UserGroupInformation</returns>
/// <exception cref="System.IO.IOException">If proxying fails</exception>
internal virtual UserGroupInformation GetUserGroupInformation(string effectiveUser
, UserGroupInformation realUser)
{
Preconditions.CheckNotNull(effectiveUser);
Preconditions.CheckNotNull(realUser);
realUser.CheckTGTAndReloginFromKeytab();
UserGroupInformation ugi = UserGroupInformation.CreateProxyUser(effectiveUser, realUser
);
if (Log.IsDebugEnabled())
{
Log.Debug(string.Format("Created ugi:" + " %s for username: %s", ugi, effectiveUser
));
}
return(ugi);
}