Hello @AndrasV ,   You may get the details using the host API as below: https://archive.cloudera.com/cm6/6.2.0/generic/jar/cm_api/apidocs/resource_HostsResource.html#resource_HostsResource_HostsResourceV30_readHost_GET   This would list down the roles that are installed/available on this particular host. To get the host Id, please use the below API: https://archive.cloudera.com/cm6/6.2.0/generic/jar/cm_api/apidocs/resource_HostsResource.html#resource_HostsResource_HostsResourceV30_readHosts_GET   Let us know if this helps.   Cheers! Was your question answered? Make sure to mark the answer as the accepted solution. If you find a reply useful, say thanks by clicking on the thumbs up button. ... View more