summaryrefslogtreecommitdiff
path: root/messaging/rabbitmq_plugin.py
blob: 832af02faf8eb57b412fc05497d5a7fd35f60efc (plain)
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
#!/usr/bin/python
# -*- coding: utf-8 -*-

# (c) 2013, Chatham Financial <oss@chathamfinancial.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

DOCUMENTATION = '''
---
module: rabbitmq_plugin
short_description: Adds or removes plugins to RabbitMQ
description:
  - Enables or disables RabbitMQ plugins
version_added: "1.1"
author: '"Chris Hoffman (@chrishoffman)"'
options:
  names:
    description:
      - Comma-separated list of plugin names
    required: true
    default: null
    aliases: [name]
  new_only:
    description:
      - Only enable missing plugins
      - Does not disable plugins that are not in the names list
    required: false
    default: "no"
    choices: [ "yes", "no" ]
  state:
    description:
      - Specify if plugins are to be enabled or disabled
    required: false
    default: enabled
    choices: [enabled, disabled]
  prefix:
    description:
      - Specify a custom install prefix to a Rabbit
    required: false
    version_added: "1.3"
    default: null
'''

EXAMPLES = '''
# Enables the rabbitmq_management plugin
- rabbitmq_plugin:
    names: rabbitmq_management
    state: enabled
'''

import os

class RabbitMqPlugins(object):
    def __init__(self, module):
        self.module = module

        if module.params['prefix']:
            if os.path.isdir(os.path.join(module.params['prefix'], 'bin')):
                bin_path = os.path.join(module.params['prefix'], 'bin')
            elif os.path.isdir(os.path.join(module.params['prefix'], 'sbin')):
                bin_path = os.path.join(module.params['prefix'], 'sbin')
            else:
                # No such path exists.
                raise Exception("No binary folder in prefix %s" %
                        module.params['prefix'])

            self._rabbitmq_plugins = bin_path + "/rabbitmq-plugins"

        else:
            self._rabbitmq_plugins = module.get_bin_path('rabbitmq-plugins', True)

    def _exec(self, args, run_in_check_mode=False):
        if not self.module.check_mode or (self.module.check_mode and run_in_check_mode):
            cmd = [self._rabbitmq_plugins]
            rc, out, err = self.module.run_command(cmd + args, check_rc=True)
            return out.splitlines()
        return list()

    def get_all(self):
        list_output = self._exec(['list', '-E', '-m'], True)
        plugins = []
        for plugin in list_output:
            if not plugin:
                break
            plugins.append(plugin)

        return plugins

    def enable(self, name):
        self._exec(['enable', name])

    def disable(self, name):
        self._exec(['disable', name])


def main():
    arg_spec = dict(
        names=dict(required=True, aliases=['name']),
        new_only=dict(default='no', type='bool'),
        state=dict(default='enabled', choices=['enabled', 'disabled']),
        prefix=dict(required=False, default=None)
    )
    module = AnsibleModule(
        argument_spec=arg_spec,
        supports_check_mode=True
    )

    names = module.params['names'].split(',')
    new_only = module.params['new_only']
    state = module.params['state']

    rabbitmq_plugins = RabbitMqPlugins(module)
    enabled_plugins = rabbitmq_plugins.get_all()

    enabled = []
    disabled = []
    if state == 'enabled':
        if not new_only:
            for plugin in enabled_plugins:
                if plugin not in names:
                    rabbitmq_plugins.disable(plugin)
                    disabled.append(plugin)

        for name in names:
            if name not in enabled_plugins:
                rabbitmq_plugins.enable(name)
                enabled.append(name)
    else:
        for plugin in enabled_plugins:
            if plugin in names:
                rabbitmq_plugins.disable(plugin)
                disabled.append(plugin)

    changed = len(enabled) > 0 or len(disabled) > 0
    module.exit_json(changed=changed, enabled=enabled, disabled=disabled)

# import module snippets
from ansible.module_utils.basic import *

if __name__ == '__main__':
    main()