Amy Bu

Add cluster activation status metric and emit to v1/jmx

4

## Description As discussed in [Issue #649](https://github.com/trinodb/trino-gateway/issues/649) we would like to add a built-in activation status metric to Trino Gateway, to improve telemetry. This metric has a value of 1...

Improve logging for backend cluster (de)activation

2

## Description As apart of efforts to improve telemetry as described in Issue https://github.com/trinodb/trino-gateway/issues/649, this PR adds logging for whenever a backend cluster is activated/deactivated. ## Testing - built and...

Proposal to improve telemetry of Trino Gateway by tracking cluster activation status

5

### Problem ### Currently, there is no built-in metric within the Trino Gateway that consistently tracks the activation status of Trino clusters behind it. This means we have no historical...