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community.general/plugins/modules/messaging/rabbitmq/rabbitmq_exchange.py

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2020-03-09 10:11:07 +01:00
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2015, Manuel Sousa <manuel.sousa@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: rabbitmq_exchange
author: Manuel Sousa (@manuel-sousa)
short_description: Manage rabbitMQ exchanges
description:
- This module uses rabbitMQ Rest API to create/delete exchanges
requirements: [ "requests >= 1.0.0" ]
options:
name:
description:
- Name of the exchange to create
required: true
state:
description:
- Whether the exchange should be present or absent
choices: [ "present", "absent" ]
required: false
default: present
durable:
description:
- whether exchange is durable or not
required: false
type: bool
default: yes
exchange_type:
description:
- type for the exchange
required: false
choices: [ "fanout", "direct", "headers", "topic" ]
aliases: [ "type" ]
default: direct
auto_delete:
description:
- if the exchange should delete itself after all queues/exchanges unbound from it
required: false
type: bool
default: no
internal:
description:
- exchange is available only for other exchanges
required: false
type: bool
default: no
arguments:
description:
- extra arguments for exchange. If defined this argument is a key/value dictionary
required: false
default: {}
extends_documentation_fragment:
- community.general.rabbitmq
'''
EXAMPLES = '''
# Create direct exchange
- rabbitmq_exchange:
name: directExchange
# Create topic exchange on vhost
- rabbitmq_exchange:
name: topicExchange
type: topic
vhost: myVhost
'''
import json
import traceback
REQUESTS_IMP_ERR = None
try:
import requests
HAS_REQUESTS = True
except ImportError:
REQUESTS_IMP_ERR = traceback.format_exc()
HAS_REQUESTS = False
from ansible.module_utils.basic import AnsibleModule, missing_required_lib
from ansible.module_utils.six.moves.urllib import parse as urllib_parse
from ansible_collections.community.general.plugins.module_utils.rabbitmq import rabbitmq_argument_spec
def main():
argument_spec = rabbitmq_argument_spec()
argument_spec.update(
dict(
state=dict(default='present', choices=['present', 'absent'], type='str'),
name=dict(required=True, type='str'),
durable=dict(default=True, type='bool'),
auto_delete=dict(default=False, type='bool'),
internal=dict(default=False, type='bool'),
exchange_type=dict(default='direct', aliases=['type'], type='str'),
arguments=dict(default=dict(), type='dict')
)
)
module = AnsibleModule(argument_spec=argument_spec, supports_check_mode=True)
url = "%s://%s:%s/api/exchanges/%s/%s" % (
module.params['login_protocol'],
module.params['login_host'],
module.params['login_port'],
urllib_parse.quote(module.params['vhost'], ''),
urllib_parse.quote(module.params['name'], '')
)
if not HAS_REQUESTS:
module.fail_json(msg=missing_required_lib("requests"), exception=REQUESTS_IMP_ERR)
result = dict(changed=False, name=module.params['name'])
# Check if exchange already exists
r = requests.get(url, auth=(module.params['login_user'], module.params['login_password']),
verify=module.params['ca_cert'], cert=(module.params['client_cert'], module.params['client_key']))
if r.status_code == 200:
exchange_exists = True
response = r.json()
elif r.status_code == 404:
exchange_exists = False
response = r.text
else:
module.fail_json(
msg="Invalid response from RESTAPI when trying to check if exchange exists",
details=r.text
)
if module.params['state'] == 'present':
change_required = not exchange_exists
else:
change_required = exchange_exists
# Check if attributes change on existing exchange
if not change_required and r.status_code == 200 and module.params['state'] == 'present':
if not (
response['durable'] == module.params['durable'] and
response['auto_delete'] == module.params['auto_delete'] and
response['internal'] == module.params['internal'] and
response['type'] == module.params['exchange_type']
):
module.fail_json(
msg="RabbitMQ RESTAPI doesn't support attribute changes for existing exchanges"
)
# Exit if check_mode
if module.check_mode:
result['changed'] = change_required
result['details'] = response
result['arguments'] = module.params['arguments']
module.exit_json(**result)
# Do changes
if change_required:
if module.params['state'] == 'present':
r = requests.put(
url,
auth=(module.params['login_user'], module.params['login_password']),
headers={"content-type": "application/json"},
data=json.dumps({
"durable": module.params['durable'],
"auto_delete": module.params['auto_delete'],
"internal": module.params['internal'],
"type": module.params['exchange_type'],
"arguments": module.params['arguments']
}),
verify=module.params['ca_cert'],
cert=(module.params['client_cert'], module.params['client_key'])
)
elif module.params['state'] == 'absent':
r = requests.delete(url, auth=(module.params['login_user'], module.params['login_password']),
verify=module.params['ca_cert'], cert=(module.params['client_cert'], module.params['client_key']))
# RabbitMQ 3.6.7 changed this response code from 204 to 201
if r.status_code == 204 or r.status_code == 201:
result['changed'] = True
module.exit_json(**result)
else:
module.fail_json(
msg="Error creating exchange",
status=r.status_code,
details=r.text
)
else:
module.exit_json(
changed=False,
name=module.params['name']
)
if __name__ == '__main__':
main()