sysadmin@sf2-maas00:~$ juju list-clouds
Cloud        Regions  Default        Type        Description
aws               12  us-east-1      ec2         Amazon Web Services
aws-china          1  cn-north-1     ec2         Amazon China
aws-gov            1  us-gov-west-1  ec2         Amazon (USA Government)
azure             18  centralus      azure       Microsoft Azure
azure-china        2  chinaeast      azure       Microsoft Azure China
cloudsigma         5  hnl            cloudsigma  CloudSigma Cloud
google             4  us-east1       gce         Google Cloud Platform
joyent             6  eu-ams-1       joyent      Joyent Cloud
rackspace          6  dfw            rackspace   Rackspace Cloud
localhost          1  localhost      lxd         LXD Container Hypervisor
maas-prod          0                 maas        Metal As A Service

Try 'list-regions <cloud>' to see available regions.
'show-cloud <cloud>' or 'regions --format yaml <cloud>' can be used to see region endpoints.
'add-cloud' can add private clouds or private infrastructure.
Update the known public clouds with 'update-clouds'.

sysadmin@sf2-maas00:~$ juju bootstrap maas-prod maas-prod-controller
ERROR detecting credentials for "maas-prod" cloud provider: maas credentials not found
sysadmin@sf2-maas00:~$