151 lines
4.5 KiB
Python
151 lines
4.5 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2013, Chatham Financial <oss@chathamfinancial.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: rabbitmq_parameter
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short_description: Adds or removes parameters to RabbitMQ
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description:
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- Manage dynamic, cluster-wide parameters for RabbitMQ
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version_added: "1.1"
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author: Chris Hoffman
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options:
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component:
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description:
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- Name of the component of which the parameter is being set
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required: true
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default: null
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name:
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description:
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- Name of the parameter being set
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required: true
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default: null
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value:
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description:
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- Value of the parameter, as a JSON term
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required: false
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default: null
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vhost:
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description:
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- vhost to apply access privileges.
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required: false
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default: /
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node:
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description:
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- erlang node name of the rabbit we wish to configure
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required: false
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default: rabbit
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state:
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description:
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- Specify if user is to be added or removed
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required: false
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default: present
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choices: [ 'present', 'absent']
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'''
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EXAMPLES = """
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# Set the federation parameter 'local_username' to a value of 'guest' (in quotes)
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- rabbitmq_parameter: component=federation
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name=local-username
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value='"guest"'
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state=present
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"""
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class RabbitMqParameter(object):
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def __init__(self, module, component, name, value, vhost, node):
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self.module = module
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self.component = component
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self.name = name
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self.value = value
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self.vhost = vhost
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self.node = node
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self._value = None
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self._rabbitmqctl = module.get_bin_path('rabbitmqctl', True)
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def _exec(self, args, run_in_check_mode=False):
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if not self.module.check_mode or (self.module.check_mode and run_in_check_mode):
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cmd = [self._rabbitmqctl, '-q', '-n', self.node]
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rc, out, err = self.module.run_command(cmd + args, check_rc=True)
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return out.splitlines()
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return list()
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def get(self):
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parameters = self._exec(['list_parameters', '-p', self.vhost], True)
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for param_item in parameters:
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component, name, value = param_item.split('\t')
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if component == self.component and name == self.name:
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self._value = value
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return True
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return False
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def set(self):
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self._exec(['set_parameter', '-p', self.vhost, self.component, self.name, self.value])
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def delete(self):
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self._exec(['clear_parameter', '-p', self.vhost, self.component, self.name])
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def has_modifications(self):
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return self.value != self._value
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def main():
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arg_spec = dict(
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component=dict(required=True),
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name=dict(required=True),
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value=dict(default=None),
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vhost=dict(default='/'),
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state=dict(default='present', choices=['present', 'absent']),
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node=dict(default='rabbit')
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)
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module = AnsibleModule(
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argument_spec=arg_spec,
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supports_check_mode=True
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)
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component = module.params['component']
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name = module.params['name']
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value = module.params['value']
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vhost = module.params['vhost']
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state = module.params['state']
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node = module.params['node']
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rabbitmq_parameter = RabbitMqParameter(module, component, name, value, vhost, node)
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changed = False
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if rabbitmq_parameter.get():
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if state == 'absent':
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rabbitmq_parameter.delete()
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changed = True
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else:
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if rabbitmq_parameter.has_modifications():
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rabbitmq_parameter.set()
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changed = True
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elif state == 'present':
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rabbitmq_parameter.set()
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changed = True
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module.exit_json(changed=changed, component=component, name=name, vhost=vhost, state=state)
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# this is magic, see lib/ansible/module_common.py
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from ansible.module_utils.basic import *
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main()
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