ansible/cloud/nova_keypair

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

# (c) 2013, Benno Joy <benno@ansibleworks.com>
#
# This module 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.
#
# This software 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 this software.  If not, see <http://www.gnu.org/licenses/>.

try:
    from novaclient.v1_1 import client
    import time
except ImportError:
    print("failed=True msg='novaclient is required for this module to work'")

DOCUMENTATION = '''
---
module: nova_keypair
short_description: Add/Delete keypair from nova
description:
   - Add or Remove keypair from nova .
options:
   login_username:
     description:
        - login username to authenticate to keystone
     required: true
     default: admin
   login_password:
     description:
        - Password of login user
     required: true
     default: True
   login_tenant_name:
     description:
        - The tenant name of the login user
     required: true
     default: True
   auth_url:
     description:
        - The keystone url for authentication
     required: false
     default: 'http://127.0.0.1:35357/v2.0/'
   region_name:
     description:
        - Name of the region
     required: false
     default: None
   state:
     description:
        - Indicate desired state of the resource
     choices: ['present', 'absent']
     default: present
   name:
     description:
        - Name that has to be given to the keypair
     required: true
     default: None
   public_key:
     description:
        - The public key that would be uploaded to nova and injected to vm's upon creation
     required: false
     default: None

examples:
   - code: "nova_keypair: state=present login_username=admin login_password=admin login_tenant_name=admin name=ansible_key
                          public_key={{ lookup('file','~/.ssh/id_rsa.pub') }}"
     description: "Creates a keypair with the running users public key"
   - code: "nova_keypair: state=present login_username=admin login_password=admin login_tenant_name=admin name=ansible_key"
     description: "Creates a new keypair and the private key returned after the run."
requirements: ["novaclient"]
'''

def main():
    module = AnsibleModule(
        argument_spec        		= dict(
        login_username         		= dict(default='admin'),
        login_password         		= dict(required=True),
        login_tenant_name      		= dict(required='True'),
        auth_url         		= dict(default='http://127.0.0.1:35357/v2.0/'),
        region_name      		= dict(default=None),
        name             		= dict(required=True),
	public_key			= dict(default=None),
	state	         		= dict(default='present', choices=['absent', 'present'])
        ),
    )
	
    try:
	nova = client.Client(module.params['login_username'], module.params['login_password'], 
				     module.params['login_tenant_name'], module.params['auth_url'], service_type='compute')
    except Exception as e:
	module.fail_json( msg = " Error in authenticating to nova: %s" % e.message)
    if module.params['state'] == 'present':
	for key in nova.keypairs.list():
	    if key.name == module.params['name']:
		module.exit_json(changed = False, result = "Key present")
	try:
	    key = nova.keypairs.create(module.params['name'], module.params['public_key'])
	except Exception as e:
	    module.exit_json(msg = "Error in creating the keypair: %s" % e.message)
	if not module.params['public_key']:
	    module.exit_json(changed = True, key = key.private_key)
	module.exit_json(changed = True, key = None)
    if module.params['state'] == 'absent':
	for key in nova.keypairs.list():
	    if key.name == module.params['name']:
		try:
		    nova.keypairs.delete(module.params['name'])
		except Exception as e:
		    module.fail_json(msg = "The keypair deletion has failed: %s" % e.message)
	        module.exit_json( changed = True, result = "deleted")
        module.exit_json(changed = False, result = "not present")

# this is magic, see lib/ansible/module.params['common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()