Discovery plugins

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

Core discovery plugins

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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.