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algo/library/linode_v4.py

143 lines
4.6 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2017 Ansible Project
# GNU General Public License v3.0+
# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
import traceback
from ansible.module_utils.basic import AnsibleModule, env_fallback, missing_required_lib
from ansible.module_utils.linode import get_user_agent
LINODE_IMP_ERR = None
try:
from linode_api4 import Instance, LinodeClient
HAS_LINODE_DEPENDENCY = True
except ImportError:
LINODE_IMP_ERR = traceback.format_exc()
HAS_LINODE_DEPENDENCY = False
def create_linode(module, client, **kwargs):
"""Creates a Linode instance and handles return format."""
if kwargs['root_pass'] is None:
kwargs.pop('root_pass')
try:
response = client.linode.instance_create(**kwargs)
except Exception as exception:
module.fail_json(msg='Unable to query the Linode API. Saw: %s' % exception)
try:
if isinstance(response, tuple):
instance, root_pass = response
instance_json = instance._raw_json
instance_json.update({'root_pass': root_pass})
return instance_json
else:
return response._raw_json
except TypeError:
module.fail_json(msg='Unable to parse Linode instance creation'
' response. Please raise a bug against this'
' module on https://github.com/ansible/ansible/issues'
)
def maybe_instance_from_label(module, client):
"""Try to retrieve an instance based on a label."""
try:
label = module.params['label']
result = client.linode.instances(Instance.label == label)
return result[0]
except IndexError:
return None
except Exception as exception:
module.fail_json(msg='Unable to query the Linode API. Saw: %s' % exception)
def initialise_module():
"""Initialise the module parameter specification."""
return AnsibleModule(
argument_spec=dict(
label=dict(type='str', required=True),
state=dict(
type='str',
required=True,
choices=['present', 'absent']
),
access_token=dict(
type='str',
required=True,
no_log=True,
fallback=(env_fallback, ['LINODE_ACCESS_TOKEN']),
),
authorized_keys=dict(type='list', required=False),
group=dict(type='str', required=False),
image=dict(type='str', required=False),
region=dict(type='str', required=False),
root_pass=dict(type='str', required=False, no_log=True),
tags=dict(type='list', required=False),
type=dict(type='str', required=False),
stackscript_id=dict(type='int', required=False),
),
supports_check_mode=False,
required_one_of=(
['state', 'label'],
),
required_together=(
['region', 'image', 'type'],
)
)
def build_client(module):
"""Build a LinodeClient."""
return LinodeClient(
module.params['access_token'],
user_agent=get_user_agent('linode_v4_module')
)
def main():
"""Module entrypoint."""
module = initialise_module()
if not HAS_LINODE_DEPENDENCY:
module.fail_json(msg=missing_required_lib('linode-api4'), exception=LINODE_IMP_ERR)
client = build_client(module)
instance = maybe_instance_from_label(module, client)
if module.params['state'] == 'present' and instance is not None:
module.exit_json(changed=False, instance=instance._raw_json)
elif module.params['state'] == 'present' and instance is None:
instance_json = create_linode(
module, client,
authorized_keys=module.params['authorized_keys'],
group=module.params['group'],
image=module.params['image'],
label=module.params['label'],
region=module.params['region'],
root_pass=module.params['root_pass'],
tags=module.params['tags'],
ltype=module.params['type'],
stackscript_id=module.params['stackscript_id'],
)
module.exit_json(changed=True, instance=instance_json)
elif module.params['state'] == 'absent' and instance is not None:
instance.delete()
module.exit_json(changed=True, instance=instance._raw_json)
elif module.params['state'] == 'absent' and instance is None:
module.exit_json(changed=False, instance={})
if __name__ == "__main__":
main()