feat: exam reset event producer #195
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This commit makes the User.full_name field non-nullable to ensure that there is only one representation of the empty value - the empty string. Currently, empty values for this field can be either None or the empty string. Because we're transitioning from a nullable to non-nullable state, a default is required to handle existing rows with a null value. This is best practice; Django discourages setting both null=True and blank=True on CharField model fields. Furthermore, this was required by our event bus work. If an empty value is represented by None, this causes issues with the event bus, because None is not JSON serializable. Instead of converting a None value to the empty string in the event producer, correcting the the model definition is a better approach.
This commit removes Django settings from the local settings file, used by the local application server, related to setting up the Kafka implementation of the event bus. This is because the event bus does not work outside of a Docker container. This is because the event bus is run through the devstack networking layer, which is inaccessible by the local application server.
Document developing on the devstack Open edX event bus.
…ttings Modify local Kafka settings.
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JIRA: MST-2113
Description: Send event to the event bus when an exam attempt is reset