Discovery plugins

Discovery plugins extend Elasticsearch by adding new seed hosts providers that can be used to extend the cluster formation module.

Core discovery plugins

The core discovery plugins are:

EC2 discovery: The EC2 discovery plugin uses the AWS API to identify the addresses of seed hosts.
Azure Classic discovery: The Azure Classic discovery plugin uses the Azure Classic API to identify the addresses of seed hosts.
GCE discovery: The Google Compute Engine discovery plugin uses the GCE API to identify the addresses of seed hosts.