Feature: brownout deprecated API features via enable_brownout flag #1007
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What is the current behaviour?
We're going to remove stale and deprecated features in next major version (v3.0.0). We're already tracking the usage of deprecated API elements but to ensure that we're ready to deploy breaking changes, we're going to temporarily "brownout" old features to check the effects.
What is the new behaviour?
This PR introduces
enable_brownout
flag. When enabled, deprecated API elements will throw HTTP 400 (Bad Request) with proper message. The exception islegacy_api_key_v2
- we're not ready to drop it yet.