c3f256ded6
Add distinction between create and update to consumer API As in the server there is only one API for consumer management create and update, if clients want to provide to the users guard against overriding existing consumer with create operation, or accidentaly creating them with update, they need to rely on calling `Info`. That adds latency, traffic and load on the server and is still race'y, as state on the server can change between the info and create calls. This PR adds `Action` to CreateConsumerRequest, which is a non-breaking change that allows client's to present it's intent without spliting Consumer API into create and update. This is not a prefect solution, but such split, to not be breaking and does not require new API version. TODO: - [x] Add concrete error types to errors.json and use them - [ ] Add ADR (after LGTM) Signed-off-by: Tomasz Pietrek <tomasz@nats.io>
NATS is a simple, secure and performant communications system for digital systems, services and devices. NATS is part of the Cloud Native Computing Foundation (CNCF). NATS has over 40 client language implementations, and its server can run on-premise, in the cloud, at the edge, and even on a Raspberry Pi. NATS can secure and simplify design and operation of modern distributed systems.
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