/etc/salt/master:
file_roots:
  base:
    - /srv/salt
    - /srv/formulas/node-formula

/srv/formulas/node-formula cloned from https://github.com/saltstack-formulas/node-formula

/srv/salt/top.sls:

base:
  'api-test-vm*':
   - api


/srv/salt/api/init.sls:
node:
  version: 4.2.1
  checksum: 8861b9f4c3b4db380fcda19a710c0430c3d62d03ee176c64db63eef95a672663
  make_jobs: 2