dreadnot.deploy

#!/bin/env python
# commandline deployer for dreadnot

import os
import requests
from optparse import OptionParser
from ConfigParser import SafeConfigParser


# config file should be ini format
def configure(config_file, env):
    config = {}
    conf = SafeConfigParser()

    if conf.read(config_file):
        config['username'] = conf.get(env, 'username')
        config['password'] = conf.get(env, 'password')
        config['dreadnot'] = conf.get(env, 'dreadnot')
        config['region'] = conf.get(env, 'region')
    else:
        print 'No configuration found'

    return config


# deploy the goodness
def deploy(dreadnot, username, password, region, app_name, revision,
           ssl_verify=False):
    DREADNOT_DEPLOY = '%s/api/1.0/stacks/%s/regions/%s/deployments' % (dreadnot, app_name, region)
    TO_REVISION = {'to_revision': revision}

    r = requests.post(DREADNOT_DEPLOY, data=TO_REVISION,
                      auth=(username, password), verify=ssl_verify)


def main():
    parser = OptionParser(usage="usage: %prog [options] app_name")
    parser.add_option("-c", "--conf",
                      default='/etc/dreadnot.webdeployer',
                      type='string',
                      help="Configuration File")
    parser.add_option("-e", "--environment",
                      default='dev',
                      type='string',
                      help="Environment you want to deploy to")
    parser.add_option("-r", "--revision",
                      default='origin/master',
                      type='string',
                      help="Git Revision")

    (options, args) = parser.parse_args()

    if len(args) != 1:
        parser.error("wrong number of arguments")

    app_name = args[0]
    config = configure(options.conf, options.environment)
    deploy(config['dreadnot'], config['username'], config['password'],
           config['region'], app_name, options.revision)

if __name__ == '__main__':
    main()