mirror of https://github.com/ansible/ansible.git
Add sensu_handler Ansible module
This provides a sensu_handler module in order to be able to dynamically configure a Sensu handler.pull/27980/head
David Moreau-Simard
7 years ago
committed by
Brian Coca
parent
b5414088a3
commit
7a56e5d45d
@ -0,0 +1,285 @@
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#!/usr/bin/python
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# (c) 2017, Red Hat Inc.
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {
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'metadata_version': '1.0',
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'status': ['preview'],
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'supported_by': 'community'
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}
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DOCUMENTATION = '''
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---
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module: sensu_handler
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author: "David Moreau Simard (@dmsimard)"
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short_description: Manages Sensu handler configuration
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version_added: 2.4
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description:
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- Manages Sensu handler configuration
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- 'For more information, refer to the Sensu documentation: U(https://sensuapp.org/docs/latest/reference/handlers.html)'
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options:
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state:
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description:
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- Whether the handler should be present or not
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choices: [ 'present', 'absent' ]
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required: False
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default: present
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name:
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description:
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- A unique name for the handler. The name cannot contain special characters or spaces.
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required: True
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default: null
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type:
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description:
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- The handler type
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choices: [ 'pipe', 'tcp', 'udp', 'transport', 'set' ]
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required: True
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default: null
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filter:
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description:
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- The Sensu event filter (name) to use when filtering events for the handler.
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required: False
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default: null
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filters:
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description:
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- An array of Sensu event filters (names) to use when filtering events for the handler.
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- Each array item must be a string.
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required: False
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default: null
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severities:
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description:
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- An array of check result severities the handler will handle.
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- 'NOTE: event resolution bypasses this filtering.'
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choices: [ 'warning', 'critical', 'unknown' ]
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required: False
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default: null
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mutator:
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description:
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- The Sensu event mutator (name) to use to mutate event data for the handler.
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required: False
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default: null
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timeout:
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description:
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- The handler execution duration timeout in seconds (hard stop).
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- Only used by pipe and tcp handler types.
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required: False
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default: 10
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handle_silenced:
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description:
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- If events matching one or more silence entries should be handled.
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required: False
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default: False
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handle_flapping:
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description:
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- If events in the flapping state should be handled.
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required: False
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default: False
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command:
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description:
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- The handler command to be executed.
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- The event data is passed to the process via STDIN.
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- 'NOTE: the command attribute is only required for Pipe handlers (i.e. handlers configured with "type": "pipe").'
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required: False
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default: null
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socket:
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description:
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- The socket definition scope, used to configure the TCP/UDP handler socket.
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- 'NOTE: the socket attribute is only required for TCP/UDP handlers (i.e. handlers configured with "type": "tcp" or "type": "udp").'
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required: False
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default: null
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pipe:
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description:
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- The pipe definition scope, used to configure the Sensu transport pipe.
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- 'NOTE: the pipe attribute is only required for Transport handlers (i.e. handlers configured with "type": "transport").'
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required: False
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default: null
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handlers:
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description:
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- An array of Sensu event handlers (names) to use for events using the handler set.
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- Each array item must be a string.
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- 'NOTE: the handlers attribute is only required for handler sets (i.e. handlers configured with "type": "set").'
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required: True
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default: null
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notes:
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- Check mode is supported
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requirements: [ ]
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'''
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EXAMPLES = '''
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# Configure a handler that sends event data as STDIN (pipe)
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- name: Configure IRC Sensu handler
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sensu_handler:
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name: "irc_handler"
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type: "pipe"
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command: "/usr/local/bin/notify-irc.sh"
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severities:
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- "ok"
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- "critical"
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- "warning"
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- "unknown"
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timeout: 15
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notify:
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- Restart sensu-client
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- Restart sensu-server
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# Delete a handler
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- name: Delete IRC Sensu handler
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sensu_handler:
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name: "irc_handler"
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state: "absent"
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# Example of a TCP handler
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- name: Configure TCP Sensu handler
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sensu_handler:
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name: "tcp_handler"
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type: "tcp"
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timeout: 30
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socket:
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host: "10.0.1.99"
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port: 4444
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register: handler
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notify:
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- Restart sensu-client
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- Restart sensu-server
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- name: Secure Sensu handler configuration file
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file:
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path: "{{ handler['file'] }}"
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owner: "sensu"
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group: "sensu"
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mode: "0600"
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'''
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RETURN = '''
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config:
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description: Effective handler configuration, when state is present
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returned: success
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type: dict
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sample: {'name': 'irc', 'type': 'pipe', 'command': '/usr/local/bin/notify-irc.sh'}
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file:
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description: Path to the handler configuration file
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returned: success
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type: string
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sample: "/etc/sensu/conf.d/handlers/irc.json"
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name:
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description: Name of the handler
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returned: success
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type: string
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sample: "irc"
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'''
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from ansible.module_utils.basic import AnsibleModule
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import json
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import os
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def main():
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module = AnsibleModule(
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supports_check_mode=True,
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argument_spec=dict(
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state=dict(type='str', required=False, choices=['present', 'absent'], default='present'),
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name=dict(type='str', required=True),
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type=dict(type='str', required=False, choices=['pipe', 'tcp', 'udp', 'transport', 'set']),
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filter=dict(type='str', required=False),
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filters=dict(type='list', required=False),
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severities=dict(type='list', required=False),
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mutator=dict(type='str', required=False),
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timeout=dict(type='int', required=False, default=10),
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handle_silenced=dict(type='bool', required=False, default=False),
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handle_flapping=dict(type='bool', required=False, default=False),
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command=dict(type='str', required=False),
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socket=dict(type='dict', required=False),
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pipe=dict(type='dict', required=False),
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handlers=dict(type='list', required=False),
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),
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required_if=[
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['state', 'present', ['type']],
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['type', 'pipe', ['command']],
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['type', 'tcp', ['socket']],
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['type', 'udp', ['socket']],
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['type', 'transport', ['pipe']],
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['type', 'set', ['handlers']]
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]
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)
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state = module.params['state']
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name = module.params['name']
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path = '/etc/sensu/conf.d/handlers/{0}.json'.format(name)
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if state == 'absent':
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if os.path.exists(path):
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if module.check_mode:
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msg = '{path} would have been deleted'.format(path=path)
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module.exit_json(msg=msg, changed=True)
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else:
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try:
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os.remove(path)
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msg = '{path} deleted successfully'.format(path=path)
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module.exit_json(msg=msg, changed=True)
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except OSError as e:
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msg = 'Exception when trying to delete {path}: {exception}'
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module.fail_json(
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msg=msg.format(path=path, exception=str(e)))
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else:
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# Idempotency: it's okay if the file doesn't exist
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msg = '{path} already does not exist'.format(path=path)
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module.exit_json(msg=msg)
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# Build handler configuration from module arguments
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config = {'handlers': {name: {}}}
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args = ['type', 'filter', 'filters', 'severities', 'mutator', 'timeout',
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'handle_silenced', 'handle_flapping', 'command', 'socket',
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'pipe', 'handlers']
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for arg in args:
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if arg in module.params and module.params[arg] is not None:
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config['handlers'][name][arg] = module.params[arg]
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# Load the current config, if there is one, so we can compare
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current_config = None
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try:
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current_config = json.load(open(path, 'r'))
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except (IOError, ValueError):
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# File either doesn't exist or it's invalid JSON
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pass
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if current_config is not None and current_config == config:
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# Config is the same, let's not change anything
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module.exit_json(msg='Handler configuration is already up to date',
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config=config['handlers'][name],
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file=path,
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name=name)
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# Validate that directory exists before trying to write to it
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if not module.check_mode and not os.path.exists(os.path.dirname(path)):
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try:
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os.makedirs(os.path.dirname(path))
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except OSError as e:
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module.fail_json(msg='Unable to create {0}: {1}'.format(os.path.dirname(path),
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str(e)))
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if module.check_mode:
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module.exit_json(msg='Handler configuration would have been updated',
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changed=True,
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config=config['handlers'][name],
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file=path,
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name=name)
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try:
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with open(path, 'w') as handler:
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handler.write(json.dumps(config, indent=4))
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module.exit_json(msg='Handler configuration updated',
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changed=True,
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config=config['handlers'][name],
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file=path,
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name=name)
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except (OSError, IOError) as e:
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module.fail_json(msg='Unable to write file {0}: {1}'.format(path,
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str(e)))
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if __name__ == '__main__':
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main()
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@ -0,0 +1 @@
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posix/ci/group1
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