Extend health check to all connected nodes

Description

As decided internally with other drivers, we should implement health checks following the definition below:

A cluster is healthy from the application standpoint if the driver has at least one open connection to all the nodes not in IGNORED state.

This could be done with session.getMetadata().getNodes() + Node.getOpenConnections() but it’s probably better to wait for JAVA-2693.

Environment

None

Pull Requests

None

Assignee

Unassigned

Reporter

Alexandre Dutra

Labels

None

PM Priority

None

Affects versions

None

Fix versions

None

Pull Request

None

Doc Impact

None

Size

None

External issue ID

None

External issue ID

None

Epic Link

Priority

Major
Configure