deploy.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from libcloud.compute.types import Provider
from libcloud.compute.providers import get_driver
from libcloud.compute.deployment import ScriptDeployment
from libcloud.compute.deployment import MultiStepDeployment

import os
import time

ACCESS_KEY=os.environ.get('IDCF_COMPUTE_API_KEY')
SECRET_KEY=os.environ.get('IDCF_COMPUTE_SECRET_KEY')
HOST=os.environ.get('IDCF_COMPUTE_HOST')
PATH='/client/api'
SSH_KEY='/root/.ssh/{0}'.format(os.environ.get('IDCF_SSH_KEY_NAME'))
SSH_IF='private_ips'

class Salt(object):

    def __init__(self):
        self.cls = get_driver(Provider.CLOUDSTACK)
        self.driver = self.cls(key=ACCESS_KEY,
                               secret=SECRET_KEY,
                               host=HOST,
                               path=PATH)
        self.default_offering()

    def default_offering(self):
        self.image = [i for i in self.driver.list_images()
                         if i.name == 'Ubuntu Server 14.04 LTS 64-bit'][0]
        self.size = [s for s in self.driver.list_sizes()
                         if s.name == 'light.S1'][0]
        self.keyname = [k for k in self.driver.list_key_pairs()
                         if k.name == os.environ.get('IDCF_SSH_KEY_NAME')][0].name

    def deploy(self,name,bootstrap):
        start = time.time()
        print('start {0}'.format(name))
        script = ScriptDeployment(bootstrap)
        msd = MultiStepDeployment([script])
        node = self.driver.deploy_node(name=name,
                                  image=self.image,
                                  size=self.size,
                                  ssh_key=SSH_KEY,
                                  ex_keyname=self.keyname,
                                  ssh_interface=SSH_IF,
                                  deploy=msd)
        end = time.time()
        elapsed = end - start
        print('end {0}, eplapsed: {1}'.format(name,elapsed))

def main():

    master_bootstrap = '''#!/bin/bash
curl -L http://bootstrap.saltstack.com | sh -s -- -M
'''
    minion_bootstrap = '''#!/bin/bash
curl -L http://bootstrap.saltstack.com | sh
'''
    salt = Salt()
    salt.deploy('salt',master_bootstrap)
    for i in range(1, 3):
        name = 'minion{0}'.format(i)
        salt.deploy(name,minion_bootstrap)

if __name__ == "__main__":
    
    main()