oracle_oratab.py - module fetch list of databases from /etc/oratab and CRS config

[ibre5041]

This modules parses /etc/oratab, list or running processes and CRS config and produces facts lik this:

ok: [brezinai002] => {
    "sid_list": {
        "changed": false,
        "failed": false,
        "oracle_list": {
            "TEST19C": {
                "ORACLE_BASE": "/oracle/u01/base",
                "ORACLE_HOME": "/oracle/u01/product/19.17.0.0",
                "ORACLE_SID": "TEST19C",
                "owner": "oracle",
                "running": true,
                "status": [
                    "OPEN",
                    "READ WRITE"
                ]
            }
        },
        "warnings": [
            "ORACLE_SID: +ASM is not open"
        ]
    }
}

More complete example is here:
https://github.com/ibre5041/ansible_oracle_modules_example/blob/main/oracle_oratab.yml