1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
# -*- 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 ansible.module_utils.six.moves.urllib import parse as urllib_parse
from mimetypes import MimeTypes
import os
import json
import traceback
PIKA_IMP_ERR = None
try:
import pika
import pika.exceptions
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']),
ca_cert=dict(type='path', aliases=['cacert']),
client_cert=dict(type='path', aliases=['cert']),
client_key=dict(type='path', aliases=['key']),
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.exchange = self.params['exchange']
self.routing_key = self.params['routing_key']
self.headers = self.params['headers']
self.cafile = self.params['cafile']
self.certfile = self.params['certfile']
self.keyfile = self.params['keyfile']
if self.host is not None:
self.build_url()
if self.cafile is not None:
self.append_ssl_certs()
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.")
def append_ssl_certs(self):
ssl_options = {}
if self.cafile:
ssl_options['cafile'] = self.cafile
if self.certfile:
ssl_options['certfile'] = self.certfile
if self.keyfile:
ssl_options['keyfile'] = self.keyfile
self.url = self.url + '?ssl_options=' + urllib_parse.quote(json.dumps(ssl_options))
@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"),
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")),
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")),
properties=pika.BasicProperties(content_type=self.content_type,
delivery_mode=1,
headers=self.headers
))
try:
# If queue and exchange is not defined post to random queue, RabbitMQ will return the queue name of the automatically generated queue.
if self.queue is None and self.exchange is None:
result = self.conn_channel.queue_declare(queue='',
durable=self.params.get("durable"),
exclusive=self.params.get("exclusive"),
auto_delete=self.params.get("auto_delete"),
arguments=self.params.get("headers"))
self.conn_channel.confirm_delivery()
self.queue = result.method.queue
elif self.queue is not None and self.exchange is None:
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"),
arguments=self.params.get("headers"))
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 routing key is not defined, but, the queue is... we will use the queue name as routing_key.
if self.routing_key is not None:
args['routing_key'] = self.routing_key
elif self.routing_key is None and self.queue is not None:
args['routing_key'] = self.queue
elif self.routing_key is None and self.exchange is not None:
args['routing_key'] = self.exchange
else:
args['routing_key'] = ''
# If exchange is not specified use the default/nameless exchange
if self.exchange is None:
args['exchange'] = ''
else:
args['exchange'] = self.exchange
if self.routing_key is None:
args['routing_key'] = self.exchange
# self.module.fail_json(msg="%s %s %s" % (to_native(self.queue), to_native(self.exchange), to_native(self.routing_key)))
try:
self.conn_channel.basic_publish(**args)
return True
except pika.exceptions.UnroutableError:
return False
|
