Add monitorType JMX

[alaturqua]

Description

This pull request introduces a new monitorType for JMX-based monitoring in Trino Gateway. It includes documentation and configuration details for retrieving cluster information using specific JMX metrics.

Details

• Component: JMX Monitoring in Trino Gateway

• New Feature: Added support for monitorType: JMX to enable cluster monitoring via JMX metrics.

• Metrics Used:

  • trino.execution:name=QueryManager
  • trino.metadata:name=DiscoveryNodeManager

• Configuration Instructions:

  • Users can configure a username and password using backendState.
  • Credentials must be valid across all clusters with read rights on system_information.

• Example Configuration:

  backendState:
    username: "user"
    password: "password"
  clusterStatsConfiguration:
    monitorType: JMX

Additional context and related issues

Release notes

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[alaturqua]

I am not very experienced with Java and Testing in Java. Please feel free to add tests.