(Glue-2408) Snowflake Prerequisites

High-level summary of necessary steps (more details in Snowflake documentation):

SAP Basis/Infrastructure tasks:

SAP Basis team:

1. Java Connector: (SM-Latest) Java Connector Setup

   1. Creation of SNP_JAVA_CONN RFC:

      1. Connection type: TCP/IP Connection.

      2. Activation type: Registered Server Program.

      3. Fill in Program ID (e.g.): SNP_JAVA_CONNECTOR.

   2. Creation of Technical SAP user for ABAP->JCO RFC Communication:

      1. In transport, you are provided with a template role with name /DVD/JCORFC (if you will use this role, do not forget to generate the profile in transaction PFCG).

      2. Create System user, with role /DVD/JCORFC.

   3. Granting access for external program SNP_JAVA_CONN to SAP gateway

      1. Check SMGW > GoTo > Expert Functions > External Security > Maintenance of ACL files whether external programs are allowed (=* or ProgramID).

2. Uploading Snowflake JDBC driver to the operating system of application serverCentral Repository: net/snowflake/snowflake-jdbc (recommendation is to use the newest version of the driver, for more information follow the documentation above)

Networking team:

1. Enabling outbound communication from the SAP system to Snowflake

Snowflake team:

1. Snowflake storage: (SM-Latest) Snowflake

   1. Creation of Snowflake database, warehouse, and schema (refer to https://docs.snowflake.com/en/index.html)

   2. Creation of Snowflake technical role and user with necessary authorizations

      1. Recommended privilege for the Snowflake technical user is OWNERSHIP of the Snowflake database.

      2. Minimal requirements are:

         1. GRANT ALL ON DATABASE <DATABASE> TO ROLE <ROLE>

         2. GRANT USAGE ON WAREHOUSE <WAREHOUSE> TO ROLE <ROLE>

         3. GRANT ALL ON SCHEMA <SCHEMA> TO ROLE <ROLE>