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community.general/plugins/modules/linode_v4.py
Felix Fontein 13e9e4b196
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Add more semantic markup.
2023-06-20 08:14:02 +02:00

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Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2017 Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: linode_v4
short_description: Manage instances on the Linode cloud
description: Manage instances on the Linode cloud.
requirements:
- python >= 2.7
- linode_api4 >= 2.0.0
author:
- Luke Murphy (@decentral1se)
notes:
- No Linode resizing is currently implemented. This module will, in time,
replace the current Linode module which uses deprecated API bindings on the
Linode side.
extends_documentation_fragment:
- community.general.attributes
attributes:
check_mode:
support: none
diff_mode:
support: none
options:
region:
description:
- The region of the instance. This is a required parameter only when
creating Linode instances. See
U(https://www.linode.com/docs/api/regions/).
type: str
image:
description:
- The image of the instance. This is a required parameter only when
creating Linode instances. See
U(https://www.linode.com/docs/api/images/).
type: str
type:
description:
- The type of the instance. This is a required parameter only when
creating Linode instances. See
U(https://www.linode.com/docs/api/linode-types/).
type: str
label:
description:
- The instance label. This label is used as the main determiner for
idempotence for the module and is therefore mandatory.
type: str
required: true
group:
description:
- The group that the instance should be marked under. Please note, that
group labelling is deprecated but still supported. The encouraged
method for marking instances is to use tags.
type: str
private_ip:
description:
- If V(true), the created Linode will have private networking enabled and
assigned a private IPv4 address.
type: bool
default: false
version_added: 3.0.0
tags:
description:
- The tags that the instance should be marked under. See
U(https://www.linode.com/docs/api/tags/).
type: list
elements: str
root_pass:
description:
- The password for the root user. If not specified, one will be
generated. This generated password will be available in the task
success JSON.
type: str
authorized_keys:
description:
- A list of SSH public key parts to deploy for the root user.
type: list
elements: str
state:
description:
- The desired instance state.
type: str
choices:
- present
- absent
required: true
access_token:
description:
- The Linode API v4 access token. It may also be specified by exposing
the E(LINODE_ACCESS_TOKEN) environment variable. See
U(https://www.linode.com/docs/api#access-and-authentication).
required: true
type: str
stackscript_id:
description:
- The numeric ID of the StackScript to use when creating the instance.
See U(https://www.linode.com/docs/api/stackscripts/).
type: int
version_added: 1.3.0
stackscript_data:
description:
- An object containing arguments to any User Defined Fields present in
the StackScript used when creating the instance.
Only valid when a stackscript_id is provided.
See U(https://www.linode.com/docs/api/stackscripts/).
type: dict
version_added: 1.3.0
'''
EXAMPLES = """
- name: Create a new Linode.
community.general.linode_v4:
label: new-linode
type: g6-nanode-1
region: eu-west
image: linode/debian9
root_pass: passw0rd
authorized_keys:
- "ssh-rsa ..."
stackscript_id: 1337
stackscript_data:
variable: value
state: present
- name: Delete that new Linode.
community.general.linode_v4:
label: new-linode
state: absent
"""
RETURN = """
instance:
description: The instance description in JSON serialized form.
returned: Always.
type: dict
sample: {
"root_pass": "foobar", # if auto-generated
"alerts": {
"cpu": 90,
"io": 10000,
"network_in": 10,
"network_out": 10,
"transfer_quota": 80
},
"backups": {
"enabled": false,
"schedule": {
"day": null,
"window": null
}
},
"created": "2018-09-26T08:12:33",
"group": "Foobar Group",
"hypervisor": "kvm",
"id": 10480444,
"image": "linode/centos7",
"ipv4": [
"130.132.285.233"
],
"ipv6": "2a82:7e00::h03c:46ff:fe04:5cd2/64",
"label": "lin-foo",
"region": "eu-west",
"specs": {
"disk": 25600,
"memory": 1024,
"transfer": 1000,
"vcpus": 1
},
"status": "running",
"tags": [],
"type": "g6-nanode-1",
"updated": "2018-09-26T10:10:14",
"watchdog_enabled": true
}
"""
import traceback
from ansible.module_utils.basic import AnsibleModule, env_fallback, missing_required_lib
from ansible_collections.community.general.plugins.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-collections/community.general/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', elements='str', no_log=False),
group=dict(type='str'),
image=dict(type='str'),
private_ip=dict(type='bool', default=False),
region=dict(type='str'),
root_pass=dict(type='str', no_log=True),
tags=dict(type='list', elements='str'),
type=dict(type='str'),
stackscript_id=dict(type='int'),
stackscript_data=dict(type='dict'),
),
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'],
private_ip=module.params['private_ip'],
region=module.params['region'],
root_pass=module.params['root_pass'],
tags=module.params['tags'],
ltype=module.params['type'],
stackscript=module.params['stackscript_id'],
stackscript_data=module.params['stackscript_data'],
)
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()