Abstract Queries

[alfjjacob]

For a future iteration, we should plan to abstract Query data sources, response data attribute etc. This abstraction will also help us to point REALBI to use a different datasource than Roxie in the future.

The abstraction could be via a static JSON file:
{
"Queries": [
{
"name": "hpccsystems_covid19_query_daily_metrics",
"datasource": "https://play.hpccsystems.com:18002",
"responseDataAttribute": "hpccsystems_covid19_query_daily_metricsResponse",
"authRequired": true
}
]
}

We would need to discuss how authentication will be handled in this case. If a Cluster is authenticated maybe, include that in the Query config and the first time user access a Query, prompt for auth etc. If HPCC cluster and REALBI are using AuthService, this may not be an issue as they share the same credentials.