ansible/monitoring/sensu_subscription.py
2016-06-06 10:56:33 -04:00

159 lines
5 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2014, Anders Ingemann <aim@secoya.dk>
#
# 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: sensu_subscription
short_description: Manage Sensu subscriptions
version_added: 2.2
description:
- Manage which I(sensu channels) a machine should subscribe to
options:
name:
description:
- The name of the channel
required: true
state:
description:
- Whether the machine should subscribe or unsubscribe from the channel
choices: [ 'present', 'absent' ]
required: false
default: present
path:
description:
- Path to the subscriptions json file
required: false
default: /etc/sensu/conf.d/subscriptions.json
backup:
description:
- Create a backup file (if yes), including the timestamp information so you
- can get the original file back if you somehow clobbered it incorrectly.
choices: [ 'yes', 'no' ]
required: false
default: no
requirements: [ ]
author: Anders Ingemann
'''
RETURN = '''
reasons:
description: the reasons why the moule changed or did not change something
returned: success
type: list
sample: ["channel subscription was absent and state is `present'"]
'''
EXAMPLES = '''
# Subscribe to the nginx channel
- name: subscribe to nginx checks
sensu_subscription: name=nginx
# Unsubscribe from the common checks channel
- name: unsubscribe from common checks
sensu_subscription: name=common state=absent
'''
def sensu_subscription(module, path, name, state='present', backup=False):
changed = False
reasons = []
try:
import json
except ImportError:
import simplejson as json
try:
config = json.load(open(path))
except IOError, e:
if e.errno is 2: # File not found, non-fatal
if state == 'absent':
reasons.append('file did not exist and state is `absent\'')
return changed, reasons
config = {}
else:
module.fail_json(msg=str(e))
except ValueError:
msg = '{path} contains invalid JSON'.format(path=path)
module.fail_json(msg=msg)
if 'client' not in config:
if state == 'absent':
reasons.append('`client\' did not exist and state is `absent\'')
return changed, reasons
config['client'] = {}
changed = True
reasons.append('`client\' did not exist')
if 'subscriptions' not in config['client']:
if state == 'absent':
reasons.append('`client.subscriptions\' did not exist and state is `absent\'')
return changed
config['client']['subscriptions'] = []
changed = True
reasons.append('`client.subscriptions\' did not exist')
if name not in config['client']['subscriptions']:
if state == 'absent':
reasons.append('channel subscription was absent')
return changed
config['client']['subscriptions'].append(name)
changed = True
reasons.append('channel subscription was absent and state is `present\'')
else:
if state == 'absent':
config['client']['subscriptions'].remove(name)
changed = True
reasons.append('channel subscription was present and state is `absent\'')
if changed and not module.check_mode:
if backup:
module.backup_local(path)
try:
open(path, 'w').write(json.dumps(config, indent=2) + '\n')
except IOError, e:
module.fail_json(msg=str(e))
return changed, reasons
def main():
arg_spec = {'name': {'type': 'str', 'required': True},
'path': {'type': 'str', 'default': '/etc/sensu/conf.d/subscriptions.json'},
'state': {'type': 'str', 'default': 'present', 'choices': ['present', 'absent']},
'backup': {'type': 'str', 'default': 'no', 'type': 'bool'},
}
module = AnsibleModule(argument_spec=arg_spec,
supports_check_mode=True)
path = module.params['path']
name = module.params['name']
state = module.params['state']
backup = module.params['backup']
changed, reasons = sensu_subscription(module, path, name, state, backup)
module.exit_json(path=path, name=name, changed=changed, msg='OK', reasons=reasons)
from ansible.module_utils.basic import *
if __name__ == '__main__':
main()