With this change, the Controller is now aware of its own listeners in a
more codified and structured way.
The reasoning behind these changes are as follows:
1. Currently, we're iterating over these listeners in multiple spots
along this initialization flow to check each listeners' purpose. By
doing this once when we create a Controller and essentially storing the
result, we can clean up the downstream code to use those results.
2. Initial effort to centralize Controller validation. At the moment, we
are doing a lot of validation all over the `cmd` and `config` packages.
From a conceptual perspective, Controller-related validation should
be performed in the function that is responsible for constructing the
Controller object itself. This enables any developer to look in a
single place for all the constraints that we place on creating a
Controller.
* chore: Add new dbw dependency
* refactor: Convert to use dbw.DB
* refactor (db): Change GetTicket(...) signature
* feature (db tests): Added TestDeleteWhere(...)
Adding this allows us to eliminate a leak of the gorm library
* refactor: Add ctx to ScanRows(...) signature
This is required to refactor all the deprecated errors pkg calls.
This refactor required adding a context to quite a few call chains
and in particular the job scheduler bits
* feature (db/tests): Add support for test opt: WithTestLogLevel(...)
This test only option allows callers to specify a log level for the
underlying db package (where supported/applicable) when calling
TestSetup(...)
* refactor (db): Simplify Db type
Only store the underlying *DB and create the *RW on demand when
needed.
* refactor (oplog): Port to using dbw pkg for db operations
* refactor (db): Remove gormDB(...) func
* tests (db): Add unit tests for TestDeleteWhere(...)
* chore: make fmt changes to formatting