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#!/usr/bin/python
# Copyright 2016 Tomas Karasek <tom.to.the.k@gmail.com>
# 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
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: packet_sshkey
short_description: Create/delete an SSH key in Packet host.
description:
- Create/delete an SSH key in Packet host.
- API is documented at U(https://www.packet.net/help/api/#page:ssh-keys,header:ssh-keys-ssh-keys-post).
version_added: "2.3"
author: "Tomas Karasek (@t0mk) <tom.to.the.k@gmail.com>"
options:
state:
description:
- Indicate desired state of the target.
default: present
choices: ['present', 'absent']
auth_token:
description:
- Packet api token. You can also supply it in env var C(PACKET_API_TOKEN).
label:
description:
- Label for the key. If you keep it empty, it will be read from key string.
id:
description:
- UUID of the key which you want to remove.
fingerprint:
description:
- Fingerprint of the key which you want to remove.
key:
description:
- Public Key string ({type} {base64 encoded key} {description}).
key_file:
description:
- File with the public key.
requirements:
- "python >= 2.6"
- packet-python
'''
EXAMPLES = '''
# All the examples assume that you have your Packet API token in env var PACKET_API_TOKEN.
# You can also pass the api token in module param auth_token.
- name: create sshkey from string
hosts: localhost
tasks:
packet_sshkey:
key: "{{ lookup('file', 'my_packet_sshkey.pub') }}"
- name: create sshkey from file
hosts: localhost
tasks:
packet_sshkey:
label: key from file
key_file: ~/ff.pub
- name: remove sshkey by id
hosts: localhost
tasks:
packet_sshkey:
state: absent
id: eef49903-7a09-4ca1-af67-4087c29ab5b6
'''
RETURN = '''
changed:
description: True if a sshkey was created or removed.
type: bool
sample: True
returned: always
sshkeys:
description: Information about sshkeys that were createe/removed.
type: list
sample: [
{
"fingerprint": "5c:93:74:7c:ed:07:17:62:28:75:79:23:d6:08:93:46",
"id": "41d61bd8-3342-428b-a09c-e67bdd18a9b7",
"key": "ssh-dss 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 tomk@hp2",
"label": "mynewkey33"
}
]
returned: always
''' # NOQA
import os
import uuid
from ansible.module_utils.basic import AnsibleModule
HAS_PACKET_SDK = True
try:
import packet
except ImportError:
HAS_PACKET_SDK = False
PACKET_API_TOKEN_ENV_VAR = "PACKET_API_TOKEN"
def serialize_sshkey(sshkey):
sshkey_data = {}
copy_keys = ['id', 'key', 'label', 'fingerprint']
for name in copy_keys:
sshkey_data[name] = getattr(sshkey, name)
return sshkey_data
def is_valid_uuid(myuuid):
try:
val = uuid.UUID(myuuid, version=4)
except ValueError:
return False
return str(val) == myuuid
def load_key_string(key_str):
ret_dict = {}
key_str = key_str.strip()
ret_dict['key'] = key_str
cut_key = key_str.split()
if len(cut_key) in [2, 3]:
if len(cut_key) == 3:
ret_dict['label'] = cut_key[2]
else:
raise Exception("Public key %s is in wrong format" % key_str)
return ret_dict
def get_sshkey_selector(module):
key_id = module.params.get('id')
if key_id:
if not is_valid_uuid(key_id):
raise Exception("sshkey ID %s is not valid UUID" % key_id)
selecting_fields = ['label', 'fingerprint', 'id', 'key']
select_dict = {}
for f in selecting_fields:
if module.params.get(f) is not None:
select_dict[f] = module.params.get(f)
if module.params.get('key_file'):
with open(module.params.get('key_file')) as _file:
loaded_key = load_key_string(_file.read())
select_dict['key'] = loaded_key['key']
if module.params.get('label') is None:
if loaded_key.get('label'):
select_dict['label'] = loaded_key['label']
def selector(k):
if 'key' in select_dict:
# if key string is specified, compare only the key strings
return k.key == select_dict['key']
else:
# if key string not specified, all the fields must match
return all([select_dict[f] == getattr(k, f) for f in select_dict])
return selector
def act_on_sshkeys(target_state, module, packet_conn):
selector = get_sshkey_selector(module)
existing_sshkeys = packet_conn.list_ssh_keys()
matching_sshkeys = filter(selector, existing_sshkeys)
changed = False
if target_state == 'present':
if matching_sshkeys == []:
# there is no key matching the fields from module call
# => create the key, label and
newkey = {}
if module.params.get('key_file'):
with open(module.params.get('key_file')) as f:
newkey = load_key_string(f.read())
if module.params.get('key'):
newkey = load_key_string(module.params.get('key'))
if module.params.get('label'):
newkey['label'] = module.params.get('label')
for param in ('label', 'key'):
if param not in newkey:
_msg = ("If you want to ensure a key is present, you must "
"supply both a label and a key string, either in "
"module params, or in a key file. %s is missing"
% param)
raise Exception(_msg)
matching_sshkeys = []
new_key_response = packet_conn.create_ssh_key(
newkey['label'], newkey['key'])
changed = True
matching_sshkeys.append(new_key_response)
else:
# state is 'absent' => delete matching keys
for k in matching_sshkeys:
try:
k.delete()
changed = True
except Exception as e:
_msg = ("while trying to remove sshkey %s, id %s %s, "
"got error: %s" %
(k.label, k.id, target_state, e))
raise Exception(_msg)
return {
'changed': changed,
'sshkeys': [serialize_sshkey(k) for k in matching_sshkeys]
}
def main():
module = AnsibleModule(
argument_spec=dict(
state=dict(choices=['present', 'absent'], default='present'),
auth_token=dict(default=os.environ.get(PACKET_API_TOKEN_ENV_VAR),
no_log=True),
label=dict(type='str', aliases=['name'], default=None),
id=dict(type='str', default=None),
fingerprint=dict(type='str', default=None),
key=dict(type='str', default=None, no_log=True),
key_file=dict(type='path', default=None),
),
mutually_exclusive=[
('label', 'id'),
('label', 'fingerprint'),
('id', 'fingerprint'),
('key', 'fingerprint'),
('key', 'id'),
('key_file', 'key'),
]
)
if not HAS_PACKET_SDK:
module.fail_json(msg='packet required for this module')
if not module.params.get('auth_token'):
_fail_msg = ("if Packet API token is not in environment variable %s, "
"the auth_token parameter is required" %
PACKET_API_TOKEN_ENV_VAR)
module.fail_json(msg=_fail_msg)
auth_token = module.params.get('auth_token')
packet_conn = packet.Manager(auth_token=auth_token)
state = module.params.get('state')
if state in ['present', 'absent']:
try:
module.exit_json(**act_on_sshkeys(state, module, packet_conn))
except Exception as e:
module.fail_json(msg='failed to set sshkey state: %s' % str(e))
else:
module.fail_json(msg='%s is not a valid state for this module' % state)
if __name__ == '__main__':
main()
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