dzahn@deployment-cumin02:~$ sudo cumin -i 'P{R:Class = puppetmaster}' 'lsb_release -c'
...
2 hosts will be targeted:
deployment-dumps-puppetmaster02.deployment-prep.eqiad.wmflabs,deployment-puppetmaster03.deployment-prep.eqiad.wmflabs
Confirm to continue [y/n]? y

dzahn@cloud-cumin-01:~$ sudo cumin -i 'P{R:Class = puppetmaster}' 'lsb_release -c'
Caught ConnectionError exception: HTTPSConnectionPool(host='localhost', port=443): Max retries exceeded with url: /pdb/query/v4/resources (Caused by NewConnectionError('<requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x7fbefe827da0>: Failed to establish a new connection: [Errno 111] Connection refused',))