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community.general/lib/ansible/module_utils/rabbitmq.py
Dag Wieers e7df487a6c rabbitmq: Clean up parameter types (#52525)
This PR includes:
- Parameter types added
- Copyright format fixes
- Short license statement

This breaks out PR #52182
2019-02-19 12:17:28 +00:00

196 lines
8 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright: (c) 2016, Jorge Rodriguez <jorge.rodriguez@tiriel.eu>
# Copyright: (c) 2018, John Imison <john+github@imison.net>
#
# 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
from ansible.module_utils._text import to_native
from ansible.module_utils.basic import missing_required_lib
from mimetypes import MimeTypes
import os
import traceback
PIKA_IMP_ERR = None
try:
import pika
from pika import spec
HAS_PIKA = True
except ImportError:
PIKA_IMP_ERR = traceback.format_exc()
HAS_PIKA = False
def rabbitmq_argument_spec():
return dict(
login_user=dict(type='str', default='guest'),
login_password=dict(type='str', default='guest', no_log=True),
login_host=dict(type='str', default='localhost'),
login_port=dict(type='str', default='15672'),
login_protocol=dict(type='str', default='http', choices=['http', 'https']),
cacert=dict(type='path'),
cert=dict(type='path'),
key=dict(type='path'),
vhost=dict(type='str', default='/'),
)
# notification/rabbitmq_basic_publish.py
class RabbitClient():
def __init__(self, module):
self.module = module
self.params = module.params
self.check_required_library()
self.check_host_params()
self.url = self.params['url']
self.proto = self.params['proto']
self.username = self.params['username']
self.password = self.params['password']
self.host = self.params['host']
self.port = self.params['port']
self.vhost = self.params['vhost']
self.queue = self.params['queue']
self.headers = self.params['headers']
if self.host is not None:
self.build_url()
self.connect_to_rabbitmq()
def check_required_library(self):
if not HAS_PIKA:
self.module.fail_json(msg=missing_required_lib("pika"), exception=PIKA_IMP_ERR)
def check_host_params(self):
# Fail if url is specified and other conflicting parameters have been specified
if self.params['url'] is not None and any(self.params[k] is not None for k in ['proto', 'host', 'port', 'password', 'username', 'vhost']):
self.module.fail_json(msg="url and proto, host, port, vhost, username or password cannot be specified at the same time.")
# Fail if url not specified and there is a missing parameter to build the url
if self.params['url'] is None and any(self.params[k] is None for k in ['proto', 'host', 'port', 'password', 'username', 'vhost']):
self.module.fail_json(msg="Connection parameters must be passed via url, or, proto, host, port, vhost, username or password.")
@staticmethod
def rabbitmq_argument_spec():
return dict(
url=dict(type='str'),
proto=dict(type='str', choices=['amqp', 'amqps']),
host=dict(type='str'),
port=dict(type='int'),
username=dict(type='str'),
password=dict(type='str', no_log=True),
vhost=dict(type='str'),
queue=dict(type='str')
)
''' Consider some file size limits here '''
def _read_file(self, path):
try:
with open(path, "rb") as file_handle:
return file_handle.read()
except IOError as e:
self.module.fail_json(msg="Unable to open file %s: %s" % (path, to_native(e)))
@staticmethod
def _check_file_mime_type(path):
mime = MimeTypes()
return mime.guess_type(path)
def build_url(self):
self.url = '{0}://{1}:{2}@{3}:{4}/{5}'.format(self.proto,
self.username,
self.password,
self.host,
self.port,
self.vhost)
def connect_to_rabbitmq(self):
"""
Function to connect to rabbitmq using username and password
"""
try:
parameters = pika.URLParameters(self.url)
except Exception as e:
self.module.fail_json(msg="URL malformed: %s" % to_native(e))
try:
self.connection = pika.BlockingConnection(parameters)
except Exception as e:
self.module.fail_json(msg="Connection issue: %s" % to_native(e))
try:
self.conn_channel = self.connection.channel()
except pika.exceptions.AMQPChannelError as e:
self.close_connection()
self.module.fail_json(msg="Channel issue: %s" % to_native(e))
def close_connection(self):
try:
self.connection.close()
except pika.exceptions.AMQPConnectionError:
pass
def basic_publish(self):
self.content_type = self.params.get("content_type")
if self.params.get("body") is not None:
args = dict(
body=self.params.get("body"),
exchange=self.params.get("exchange"),
routing_key=self.params.get("routing_key"),
properties=pika.BasicProperties(content_type=self.content_type, delivery_mode=1, headers=self.headers))
# If src (file) is defined and content_type is left as default, do a mime lookup on the file
if self.params.get("src") is not None and self.content_type == 'text/plain':
self.content_type = RabbitClient._check_file_mime_type(self.params.get("src"))[0]
self.headers.update(
filename=os.path.basename(self.params.get("src"))
)
args = dict(
body=self._read_file(self.params.get("src")),
exchange=self.params.get("exchange"),
routing_key=self.params.get("routing_key"),
properties=pika.BasicProperties(content_type=self.content_type,
delivery_mode=1,
headers=self.headers
))
elif self.params.get("src") is not None:
args = dict(
body=self._read_file(self.params.get("src")),
exchange=self.params.get("exchange"),
routing_key=self.params.get("routing_key"),
properties=pika.BasicProperties(content_type=self.content_type,
delivery_mode=1,
headers=self.headers
))
try:
# If queue is not defined, RabbitMQ will return the queue name of the automatically generated queue.
if self.queue is None:
result = self.conn_channel.queue_declare(durable=self.params.get("durable"),
exclusive=self.params.get("exclusive"),
auto_delete=self.params.get("auto_delete"))
self.conn_channel.confirm_delivery()
self.queue = result.method.queue
else:
self.conn_channel.queue_declare(queue=self.queue,
durable=self.params.get("durable"),
exclusive=self.params.get("exclusive"),
auto_delete=self.params.get("auto_delete"))
self.conn_channel.confirm_delivery()
except Exception as e:
self.module.fail_json(msg="Queue declare issue: %s" % to_native(e))
# https://github.com/ansible/ansible/blob/devel/lib/ansible/module_utils/cloudstack.py#L150
if args['routing_key'] is None:
args['routing_key'] = self.queue
if args['exchange'] is None:
args['exchange'] = ''
return self.conn_channel.basic_publish(**args)