The Azure Classic Discovery plugin uses the Azure Classic API for unicast discovery.
Deprecated in 5.0.0.
Use coming Azure ARM Discovery plugin instead
This plugin can be installed using the plugin manager:
sudo bin/elasticsearch-plugin install discovery-azure-classic
The plugin must be installed on every node in the cluster, and each node must be restarted after installation.
This plugin can be downloaded for offline install from https://artifacts.elastic.co/downloads/elasticsearch-plugins/discovery-azure-classic/discovery-azure-classic-5.5.3.zip.
The plugin can be removed with the following command:
sudo bin/elasticsearch-plugin remove discovery-azure-classic
The node must be stopped before removing the plugin.