private static string GenerateTemporaryId(int lenght = 8)
{
const string HexChars = "0123456789abcdfe";
var strb = new StringBuilder();
strb.Append(TemporaryDeploymentIdPrefix);
for (int i = 0; i < lenght; ++i)
{
strb.Append(HexChars[_random.Next(HexChars.Length)]);
}
return strb.ToString();
}