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## Problem We don't notify cplane about safekeeper membership change yet. Without the notification the compute needs to know all the safekeepers on the cluster to be able to speak to them. Change notifications will allow to avoid it. - Closes: https://github.com/neondatabase/neon/issues/12188 ## Summary of changes - Implement `notify_safekeepers` method in `ComputeHook` - Notify cplane about safekeepers in `safekeeper_migrate` handler. - Update the test to make sure notifications work. ## Out of scope - There is `cplane_notified_generation` field in `timelines` table in strocon's database. It's not needed now, so it's not updated in the PR. Probably we can remove it. - e2e tests to make sure it works with a production cplane
Local Development Control Plane (neon_local)
This crate contains tools to start a Neon development environment locally. This utility can be used with the cargo neon command. This is a convenience to invoke
the neon_local binary.
Note: this is a dev/test tool -- a minimal control plane suitable for testing code changes locally, but not suitable for running production systems.
Example: Start with Postgres 16
To create and start a local development environment with Postgres 16, you will need to provide --pg-version flag to 3 of the start-up commands.
cargo neon init --pg-version 16
cargo neon start
cargo neon tenant create --set-default --pg-version 16
cargo neon endpoint create main --pg-version 16
cargo neon endpoint start main
Example: Create Test User and Database
By default, cargo neon starts an endpoint with cloud_admin and postgres database. If you want to have a role and a database similar to what we have on the cloud service, you can do it with the following commands when starting an endpoint.
cargo neon endpoint create main --pg-version 16 --update-catalog true
cargo neon endpoint start main --create-test-user true
The first command creates neon_superuser and necessary roles. The second command creates test user and neondb database. You will see a connection string that connects you to the test user after running the second command.