kettle工具——用于数据迁移等

BA Server Utils =============== Collection of kettle steps to interact with BA Server services. RELEASE-0.1 * __Get session variables__: reads session variables from the current user session in the BA Server * __Set session variables__: writes session variables to the current user session in the BA Server RELEASE-0.2 * __Call endpoint__: inspects the BA Server to list available endpoints / invokes a BA Server endpoint ## Additional info The steps **Get session variables** and **Set session variables** read and write user session variables. In order to simulate user session variables in Spoon (for testing purposes) the variables will be read from and written to internal variables with a prefix `_FAKE_SESSION_`.