user@salt-minion-0:~$ sudo python /var/cache/salt/minion/files/base/_grains/gce.py
{'pub_fqdn_ipv4': 'xx.xx.xx.xx'}
{'roles': [u'redacted'], 'tags': [u'redacted']}
{'zone': 'redacted'}
user@salt-minion-0:~$ sudo salt-call grains.get gce
local:
user@salt-minion-0:~$