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path: root/cloud/webfaction/webfaction_site.py
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#!/usr/bin/python
#
# Create Webfaction website using Ansible and the Webfaction API
#
# ------------------------------------------
#
# (c) Quentin Stafford-Fraser 2015
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
#

DOCUMENTATION = '''
---
module: webfaction_site
short_description: Add or remove a website on a Webfaction host
description:
    - Add or remove a website on a Webfaction host.  Further documentation at http://github.com/quentinsf/ansible-webfaction.
author: Quentin Stafford-Fraser (@quentinsf)
version_added: "2.0"
notes:
    - Sadly, you I(do) need to know your webfaction hostname for the C(host) parameter.  But at least, unlike the API, you don't need to know the IP address - you can use a DNS name.
    - If a site of the same name exists in the account but on a different host, the operation will exit.
    - "You can run playbooks that use this on a local machine, or on a Webfaction host, or elsewhere, since the scripts use the remote webfaction API - the location is not important. However, running them on multiple hosts I(simultaneously) is best avoided. If you don't specify I(localhost) as your host, you may want to add C(serial: 1) to the plays."
    - See `the webfaction API <http://docs.webfaction.com/xmlrpc-api/>`_ for more info.

options:

    name:
        description:
            - The name of the website
        required: true

    state:
        description:
            - Whether the website should exist
        required: false
        choices: ['present', 'absent']
        default: "present"
            
    host:
        description:
            - The webfaction host on which the site should be created.
        required: true

    https:
        description:
            - Whether or not to use HTTPS
        required: false
        choices:
            - true
            - false
        default: 'false'

    site_apps:
        description:
            - A mapping of URLs to apps
        required: false

    subdomains:
        description:
            - A list of subdomains associated with this site.
        required: false
        default: null

    login_name:
        description:
            - The webfaction account to use
        required: true

    login_password:
        description:
            - The webfaction password to use
        required: true
'''

EXAMPLES = '''
  - name: create website
    webfaction_site:
      name: testsite1
      state: present
      host: myhost.webfaction.com 
      subdomains: 
        - 'testsite1.my_domain.org'
      site_apps:
        - ['testapp1', '/']
      https: no
      login_name: "{{webfaction_user}}"
      login_password: "{{webfaction_passwd}}"
'''

import socket
import xmlrpclib

webfaction = xmlrpclib.ServerProxy('https://api.webfaction.com/')

def main():

    module = AnsibleModule(
        argument_spec = dict(
            name = dict(required=True),
            state = dict(required=False, choices=['present', 'absent'], default='present'),
            # You can specify an IP address or hostname.
            host = dict(required=True),
            https = dict(required=False, type='bool', default=False),
            subdomains = dict(required=False, type='list', default=[]),
            site_apps = dict(required=False, type='list', default=[]),
            login_name = dict(required=True),
            login_password = dict(required=True),
        ),
        supports_check_mode=True
    )
    site_name  = module.params['name']
    site_state = module.params['state']
    site_host = module.params['host']
    site_ip = socket.gethostbyname(site_host)

    session_id, account = webfaction.login(
        module.params['login_name'],
        module.params['login_password']
    )

    site_list = webfaction.list_websites(session_id)
    site_map = dict([(i['name'], i) for i in site_list])
    existing_site = site_map.get(site_name)

    result = {}
    
    # Here's where the real stuff happens

    if site_state == 'present':

        # Does a site with this name already exist?
        if existing_site:

            # If yes, but it's on a different IP address, then fail.
            # If we wanted to allow relocation, we could add a 'relocate=true' option
            # which would get the existing IP address, delete the site there, and create it
            # at the new address.  A bit dangerous, perhaps, so for now we'll require manual
            # deletion if it's on another host.

            if existing_site['ip'] != site_ip:
                module.fail_json(msg="Website already exists with a different IP address. Please fix by hand.")

            # If it's on this host and the key parameters are the same, nothing needs to be done.

            if (existing_site['https'] == module.boolean(module.params['https'])) and \
               (set(existing_site['subdomains']) == set(module.params['subdomains'])) and \
               (dict(existing_site['website_apps']) == dict(module.params['site_apps'])):
                module.exit_json(
                    changed = False
                )

        positional_args = [ 
            session_id, site_name, site_ip, 
            module.boolean(module.params['https']),
            module.params['subdomains'],
        ]
        for a in module.params['site_apps']:
            positional_args.append( (a[0], a[1]) )

        if not module.check_mode:
            # If this isn't a dry run, create or modify the site
            result.update(
                    webfaction.create_website(
                        *positional_args
                    ) if not existing_site else webfaction.update_website (
                        *positional_args
                    )
            )

    elif site_state == 'absent':

        # If the site's already not there, nothing changed.
        if not existing_site:
            module.exit_json(
                changed = False,
            )

        if not module.check_mode:
            # If this isn't a dry run, delete the site
            result.update(
                webfaction.delete_website(session_id, site_name, site_ip)
            )

    else:
        module.fail_json(msg="Unknown state specified: {}".format(site_state))

    module.exit_json(
        changed = True,
        result = result
    )



from ansible.module_utils.basic import *

if __name__ == '__main__':
    main()