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rabbitmq_bindings rewrite (#35651)

Browse Source 
* Attempt to get rid of globals

* Relocate imports and make formatting non-automatic

* spacing!
pull/39681/merge
hyperized 7 years ago committed by ansibot
parent 75e69fe709
commit f210bbec50
1 changed files with 177 additions and 89 deletions
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266
lib/ansible/modules/messaging/rabbitmq_binding.py
Unescape Escape View File

@ -5,14 +5,13 @@
# 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
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: rabbitmq_binding
@ -106,12 +105,183 @@ import json
try:
import requests
HAS_REQUESTS = True
except ImportError:
HAS_REQUESTS = False
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six.moves.urllib import parse as urllib_parse
from ansible.module_utils.basic import AnsibleModule
class RabbitMqBinding(object):
def __init__(self, module):
"""
:param module:
"""
self.module = module
self.name = self.module.params['name']
self.login_user = self.module.params['login_user']
self.login_password = self.module.params['login_password']
self.login_host = self.module.params['login_host']
self.login_port = self.module.params['login_port']
self.vhost = self.module.params['vhost']
self.destination = self.module.params['destination']
self.destination_type = 'q' if self.module.params['destination_type'] == 'queue' else 'e'
self.routing_key = self.module.params['routing_key']
self.arguments = self.module.params['arguments']
self.base_url = 'http://{0}:{1}/api/bindings'.format(self.login_host,
self.login_port)
self.url = '{0}/{1}/e/{2}/{3}/{4}/{5}'.format(self.base_url,
urllib_parse.quote(self.vhost),
urllib_parse.quote(self.name),
self.destination_type,
self.destination,
self.routing_key)
self.result = {
'changed': False,
'name': self.module.params['name'],
}
self.authentication = (
self.login_user,
self.login_password
)
self.request = requests
self.http_check_states = {
200: True,
404: False,
}
self.http_actionable_states = {
201: True,
204: True,
}
self.api_result = self.request.get(self.url, auth=self.authentication)
def run(self):
"""
:return:
"""
self.check_presence()
self.check_mode()
self.action_mode()
def check_presence(self):
"""
:return:
"""
if self.check_should_throw_fail():
self.fail()
def change_required(self):
"""
:return:
"""
if self.module.params['state'] == 'present':
if not self.is_present():
return True
return False
def is_present(self):
"""
:return:
"""
return self.http_check_states.get(self.api_result.status_code, False)
def check_mode(self):
"""
:return:
"""
if self.module.check_mode:
result = self.result
result['changed'] = self.change_required()
result['details'] = self.api_result.json() if self.is_present() else self.api_result.text
result['arguments'] = self.module.params['arguments']
self.module.exit_json(**result)
def check_reply_is_correct(self):
"""
:return:
"""
if self.api_result.status_code in self.http_check_states:
return True
return False
def check_should_throw_fail(self):
"""
:return:
"""
if not self.is_present():
if not self.check_reply_is_correct():
return True
return False
def action_mode(self):
"""
:return:
"""
result = self.result
if self.change_required():
if self.module.params['state'] == 'present':
self.create()
if self.module.params['state'] == 'absent':
self.remove()
if self.action_should_throw_fail():
self.fail()
result['changed'] = True
result['destination'] = self.module.params['destination']
self.module.exit_json(**result)
else:
result['changed'] = False
self.module.exit_json(**result)
def action_reply_is_correct(self):
"""
:return:
"""
if self.api_result.status_code in self.http_actionable_states:
return True
return False
def action_should_throw_fail(self):
"""
:return:
"""
if not self.action_reply_is_correct():
return True
return False
def create(self):
"""
:return:
"""
self.url = '{0}/{1}/e/{2}/{3}/{4}'.format(self.base_url,
urllib_parse.quote(self.vhost),
urllib_parse.quote(self.name),
self.destination_type,
urllib_parse.quote(self.destination))
self.api_result = self.request.post(self.url,
auth=self.authentication,
headers={"content-type": "application/json"},
data=json.dumps({
'routing_key': self.routing_key,
'arguments': self.arguments
}))
def remove(self):
"""
:return:
"""
self.api_result = self.request.delete(self.url, auth=self.authentication)
def fail(self):
"""
:return:
"""
self.module.fail_json(
msg="Unexpected reply from API",
status=self.api_result.status_code,
details=self.api_result.text
)
def main():
@ -125,7 +295,8 @@ def main():
login_port=dict(default='15672', type='str'),
vhost=dict(default='/', type='str'),
destination=dict(required=True, aliases=["dst", "dest"], type='str'),
destination_type=dict(required=True, aliases=["type", "dest_type"], choices=["queue", "exchange"], type='str'),
destination_type=dict(required=True, aliases=["type", "dest_type"], choices=["queue", "exchange"],
type='str'),
routing_key=dict(default='#', type='str'),
arguments=dict(default=dict(), type='dict')
),
@ -134,92 +305,9 @@ def main():
if not HAS_REQUESTS:
module.fail_json(msg="requests library is required for this module. To install, use `pip install requests`")
result = dict(changed=False, name=module.params['name'])
if module.params['destination_type'] == "queue":
dest_type = "q"
else:
dest_type = "e"
if module.params['routing_key'] == "":
props = "~"
else:
props = urllib_parse.quote(module.params['routing_key'], '')
base_url = "http://%s:%s/api/bindings" % (module.params['login_host'], module.params['login_port'])
url = "%s/%s/e/%s/%s/%s/%s" % (base_url,
urllib_parse.quote(module.params['vhost'], ''),
urllib_parse.quote(module.params['name'], ''),
dest_type,
urllib_parse.quote(module.params['destination'], ''),
props
)
# Check if exchange already exists
r = requests.get(url, auth=(module.params['login_user'], module.params['login_password']))
if r.status_code == 200:
binding_exists = True
response = r.json()
elif r.status_code == 404:
binding_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 binding_exists
else:
change_required = binding_exists
# 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':
url = "%s/%s/e/%s/%s/%s" % (
base_url,
urllib_parse.quote(module.params['vhost'], ''),
urllib_parse.quote(module.params['name'], ''),
dest_type,
urllib_parse.quote(module.params['destination'], '')
)
r = requests.post(
url,
auth=(module.params['login_user'], module.params['login_password']),
headers={"content-type": "application/json"},
data=json.dumps({
"routing_key": module.params['routing_key'],
"arguments": module.params['arguments']
})
)
elif module.params['state'] == 'absent':
r = requests.delete(url, auth=(module.params['login_user'], module.params['login_password']))
if r.status_code == 204 or r.status_code == 201:
result['changed'] = True
result['destination'] = module.params['destination']
module.exit_json(**result)
else:
module.fail_json(
msg="Error creating exchange",
status=r.status_code,
details=r.text
)
else:
result['changed'] = False
module.exit_json(**result)
RabbitMqBinding(module).run()
if __name__ == '__main__':
main()

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