The Azure Cloud plugin allows to use Azure API for the unicast discovery mechanism and add Azure storage repositories.
'org.elasticsearch:elasticsearch-cloud-azure:2.8.2'
<dependency>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch-cloud-azure</artifactId>
<version>2.8.2</version>
</dependency>
<dependency org="org.elasticsearch" name="elasticsearch-cloud-azure" rev="2.8.2"/>
"org.elasticsearch", "elasticsearch-cloud-azure", "2.8.2"