New creates a new PubSub monitor, using the given host, config and PeersFunc.

Default values for this Config.

PubsubTopic specifies the topic used to publish Cluster metrics.

Config allows to initialize a Monitor and customize some parameters.

Monitor is a component in charge of monitoring peers, logging metrics and detecting failures.

PeersFunc allows the Monitor to filter and discard metrics that do not belong to a given peerset.