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
|
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2013, Chatham Financial <oss@chathamfinancial.com>
# Copyright: (c) 2017, Juergen Kirschbaum <jk@jk-itc.de>
# 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
DOCUMENTATION = r'''
---
module: rabbitmq_global_parameter
short_description: Manage RabbitMQ global parameters
description:
- Manage dynamic, cluster-wide global parameters for RabbitMQ
author: "Juergen Kirschbaum (@jgkirschbaum)"
options:
name:
description:
- Name of the global parameter being set
type: str
required: true
default: null
value:
description:
- Value of the global parameter, as a JSON term
type: str
required: false
default: null
node:
description:
- erlang node name of the rabbit we wish to configure
type: str
required: false
default: rabbit
state:
description:
- Specify if global parameter is to be added or removed
type: str
required: false
default: present
choices: [ 'present', 'absent']
'''
EXAMPLES = r'''
- name: Set the global parameter 'cluster_name' to a value of 'mq-cluster' (in quotes)
community.rabbitmq.rabbitmq_global_parameter:
name: cluster_name
value: "{{ 'mq-cluster' | to_json }}"
state: present
'''
RETURN = r'''
name:
description: name of the global parameter being set
returned: success
type: str
sample: "cluster_name"
value:
description: value of the global parameter, as a JSON term
returned: changed
type: str
sample: "the-cluster-name"
'''
import json
from ansible.module_utils.basic import AnsibleModule
class RabbitMqGlobalParameter(object):
def __init__(self, module, name, value, node):
self.module = module
self.name = name
self.value = value
self.node = node
self._value = None
self._rabbitmqctl = module.get_bin_path('rabbitmqctl', True)
def _exec(self, args, force_exec_in_check_mode=False):
if not self.module.check_mode or (self.module.check_mode and force_exec_in_check_mode):
cmd = [self._rabbitmqctl, '-q', '-n', self.node]
rc, out, err = self.module.run_command(cmd + args, check_rc=True)
return out.splitlines()
return list()
def get(self):
global_parameters = [param for param in self._exec(['list_global_parameters'], True) if param.strip()]
for idx, param_item in enumerate(global_parameters):
name, value = param_item.split('\t')
# RabbitMQ 3.8.x and above return table header, ignore it
if idx == 0 and name == 'name' and value == 'value':
continue
if name == self.name:
self._value = json.loads(value)
return True
return False
def set(self):
self._exec(['set_global_parameter',
self.name,
json.dumps(self.value)])
def delete(self):
self._exec(['clear_global_parameter', self.name])
def has_modifications(self):
return self.value != self._value
def main():
arg_spec = dict(
name=dict(type='str', required=True),
value=dict(type='str', default=None),
state=dict(default='present', choices=['present', 'absent']),
node=dict(type='str', default='rabbit')
)
module = AnsibleModule(
argument_spec=arg_spec,
supports_check_mode=True
)
name = module.params['name']
value = module.params['value']
if isinstance(value, str):
value = json.loads(value)
state = module.params['state']
node = module.params['node']
result = dict(changed=False)
rabbitmq_global_parameter = RabbitMqGlobalParameter(module, name, value, node)
if rabbitmq_global_parameter.get():
if state == 'absent':
rabbitmq_global_parameter.delete()
result['changed'] = True
else:
if rabbitmq_global_parameter.has_modifications():
rabbitmq_global_parameter.set()
result['changed'] = True
elif state == 'present':
rabbitmq_global_parameter.set()
result['changed'] = True
result['name'] = name
result['value'] = value
result['state'] = state
module.exit_json(**result)
if __name__ == '__main__':
main()
|
