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tripleo-ansible
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tripleo-ansible/library/cloud/nova_facts

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Python
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#!/usr/bin/env python
# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os
try:
from novaclient.v1_1 import client as nova_client
from novaclient import exceptions
import time
except ImportError:
print("failed=True msg='novaclient is required for this module'")
DOCUMENTATION = '''
---
module: nova_facts
short_description: Return facts from Nova
description:
- Returns instance state and metadata from Openstack 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: 'yes'
login_tenant_name:
description:
- The tenant name of the login user
required: true
default: 'yes'
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
name:
description:
- Name of the instance for which facts will be retrieved.
default: None
instance_id:
description:
- Instance ID of the instance for which facts will be retrieved.
default: None
requirements: ["novaclient"]
'''
EXAMPLES = '''
# Rebuilds an existing VM with a new image
- nova_facts:
login_username: admin
login_password: admin
login_tenant_name: admin
name: vm1
image_id: 4f905f38-e52a-43d2-b6ec-754a13ffb529
'''
# The following openstack_ is a copy paste from an upcoming
# core module "lib/ansible/module_utils/openstack.py" Once that's landed,
# these should be replaced with a line at the bottom of the file:
# from ansible.module_utils.openstack import *
def openstack_argument_spec():
# Consume standard OpenStack environment variables.
# This is mainly only useful for ad-hoc command line operation as
# in playbooks one would assume variables would be used appropriately
OS_AUTH_URL = os.environ.get('OS_AUTH_URL', 'http://127.0.0.1:35357/v2.0/')
OS_PASSWORD = os.environ.get('OS_PASSWORD', None)
OS_REGION_NAME = os.environ.get('OS_REGION_NAME', None)
OS_USERNAME = os.environ.get('OS_USERNAME', 'admin')
OS_TENANT_NAME = os.environ.get('OS_TENANT_NAME', OS_USERNAME)
spec = dict(
login_username=dict(default=OS_USERNAME),
auth_url=dict(default=OS_AUTH_URL),
region_name=dict(default=OS_REGION_NAME),
availability_zone=dict(default=None),
)
if OS_PASSWORD:
spec['login_password'] = dict(default=OS_PASSWORD)
else:
spec['login_password'] = dict(required=True)
if OS_TENANT_NAME:
spec['login_tenant_name'] = dict(default=OS_TENANT_NAME)
else:
spec['login_tenant_name'] = dict(required=True)
return spec
def _nova_facts(module, nova):
server = None
try:
if module.params.get('instance_id') is None:
servers = nova.servers.list(True, {'name': module.params['name']})
if servers:
# the {'name': module.params['name']} will also return servers
# with names that partially match the server name, so we have to
# strictly filter here
servers = [
x for x in servers if x.name == module.params['name']
]
if servers:
server = servers[0]
else:
server = nova.servers.get(module.params['instance_id'])
except Exception, e:
module.fail_json(
msg="Error in getting the server list: %s" % e.message
)
if not server:
module.exit_json(changed=False, result="not present")
try:
server = nova.servers.get(server.id)
except Exception, e:
module.fail_json(msg="not present")
facts = {'ansible_facts': {}}
facts['ansible_facts']['instance_status'] = server.status
facts['ansible_facts']['instance_metadata'] = server.metadata
module.exit_json(**facts)
def main():
argument_spec = openstack_argument_spec()
argument_spec.update(dict(
name=dict(),
instance_id=dict(),
))
module = AnsibleModule(argument_spec=argument_spec)
nova = nova_client.Client(module.params['login_username'],
module.params['login_password'],
module.params['login_tenant_name'],
module.params['auth_url'],
region_name=module.params['region_name'],
service_type='compute')
try:
nova.authenticate()
except exceptions.Unauthorized, e:
module.fail_json(
msg="Invalid OpenStack Nova credentials.: %s" % e.message
)
except exceptions.AuthorizationFailure, e:
module.fail_json(msg="Unable to authorize user: %s" % e.message)
_nova_facts(module, nova)
# this is magic, see lib/ansible/module_common.py
from ansible.module_utils.basic import *
main()
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