227 lines
7.6 KiB
Python
227 lines
7.6 KiB
Python
#!/usr/bin/python
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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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# This is a DOCUMENTATION stub specific to this module, it extends
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# a documentation fragment located in ansible.utils.module_docs_fragments
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DOCUMENTATION = '''
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---
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module: rax_mon_alarm
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short_description: Create or delete a Rackspace Cloud Monitoring alarm.
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description:
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- Create or delete a Rackspace Cloud Monitoring alarm that associates an
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existing rax_mon_entity, rax_mon_check, and rax_mon_notification_plan with
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criteria that specify what conditions will trigger which levels of
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notifications. Rackspace monitoring module flow | rax_mon_entity ->
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rax_mon_check -> rax_mon_notification -> rax_mon_notification_plan ->
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*rax_mon_alarm*
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version_added: "2.0"
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options:
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state:
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description:
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- Ensure that the alarm with this C(label) exists or does not exist.
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choices: [ "present", "absent" ]
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required: false
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default: present
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label:
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description:
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- Friendly name for this alarm, used to achieve idempotence. Must be a String
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between 1 and 255 characters long.
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required: true
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entity_id:
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description:
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- ID of the entity this alarm is attached to. May be acquired by registering
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the value of a rax_mon_entity task.
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required: true
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check_id:
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description:
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- ID of the check that should be alerted on. May be acquired by registering
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the value of a rax_mon_check task.
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required: true
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notification_plan_id:
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description:
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- ID of the notification plan to trigger if this alarm fires. May be acquired
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by registering the value of a rax_mon_notification_plan task.
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required: true
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criteria:
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description:
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- Alarm DSL that describes alerting conditions and their output states. Must
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be between 1 and 16384 characters long. See
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http://docs.rackspace.com/cm/api/v1.0/cm-devguide/content/alerts-language.html
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for a reference on the alerting language.
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disabled:
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description:
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- If yes, create this alarm, but leave it in an inactive state. Defaults to
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no.
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choices: [ "yes", "no" ]
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metadata:
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description:
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- Arbitrary key/value pairs to accompany the alarm. Must be a hash of String
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keys and values between 1 and 255 characters long.
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author: Ash Wilson
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extends_documentation_fragment: rackspace.openstack
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'''
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EXAMPLES = '''
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- name: Alarm example
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gather_facts: False
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hosts: local
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connection: local
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tasks:
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- name: Ensure that a specific alarm exists.
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rax_mon_alarm:
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credentials: ~/.rax_pub
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state: present
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label: uhoh
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entity_id: "{{ the_entity['entity']['id'] }}"
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check_id: "{{ the_check['check']['id'] }}"
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notification_plan_id: "{{ defcon1['notification_plan']['id'] }}"
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criteria: >
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if (rate(metric['average']) > 10) {
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return new AlarmStatus(WARNING);
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}
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return new AlarmStatus(OK);
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register: the_alarm
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'''
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try:
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import pyrax
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HAS_PYRAX = True
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except ImportError:
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HAS_PYRAX = False
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def alarm(module, state, label, entity_id, check_id, notification_plan_id, criteria,
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disabled, metadata):
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if len(label) < 1 or len(label) > 255:
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module.fail_json(msg='label must be between 1 and 255 characters long')
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if criteria and len(criteria) < 1 or len(criteria) > 16384:
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module.fail_json(msg='criteria must be between 1 and 16384 characters long')
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# Coerce attributes.
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changed = False
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alarm = None
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cm = pyrax.cloud_monitoring
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if not cm:
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module.fail_json(msg='Failed to instantiate client. This typically '
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'indicates an invalid region or an incorrectly '
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'capitalized region name.')
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existing = [a for a in cm.list_alarms(entity_id) if a.label == label]
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if existing:
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alarm = existing[0]
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if state == 'present':
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should_create = False
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should_update = False
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should_delete = False
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if len(existing) > 1:
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module.fail_json(msg='%s existing alarms have the label %s.' %
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(len(existing), label))
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if alarm:
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if check_id != alarm.check_id or notification_plan_id != alarm.notification_plan_id:
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should_delete = should_create = True
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should_update = (disabled and disabled != alarm.disabled) or \
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(metadata and metadata != alarm.metadata) or \
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(criteria and criteria != alarm.criteria)
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if should_update and not should_delete:
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cm.update_alarm(entity=entity_id, alarm=alarm,
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criteria=criteria, disabled=disabled,
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label=label, metadata=metadata)
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changed = True
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if should_delete:
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alarm.delete()
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changed = True
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else:
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should_create = True
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if should_create:
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alarm = cm.create_alarm(entity=entity_id, check=check_id,
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notification_plan=notification_plan_id,
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criteria=criteria, disabled=disabled, label=label,
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metadata=metadata)
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changed = True
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else:
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for a in existing:
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a.delete()
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changed = True
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if alarm:
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alarm_dict = {
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"id": alarm.id,
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"label": alarm.label,
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"check_id": alarm.check_id,
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"notification_plan_id": alarm.notification_plan_id,
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"criteria": alarm.criteria,
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"disabled": alarm.disabled,
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"metadata": alarm.metadata
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}
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module.exit_json(changed=changed, alarm=alarm_dict)
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else:
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module.exit_json(changed=changed)
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def main():
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argument_spec = rax_argument_spec()
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argument_spec.update(
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dict(
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state=dict(default='present', choices=['present', 'absent']),
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label=dict(required=True),
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entity_id=dict(required=True),
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check_id=dict(required=True),
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notification_plan_id=dict(required=True),
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criteria=dict(),
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disabled=dict(type='bool', default=False),
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metadata=dict(type='dict')
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)
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)
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module = AnsibleModule(
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argument_spec=argument_spec,
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required_together=rax_required_together()
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)
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if not HAS_PYRAX:
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module.fail_json(msg='pyrax is required for this module')
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state = module.params.get('state')
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label = module.params.get('label')
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entity_id = module.params.get('entity_id')
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check_id = module.params.get('check_id')
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notification_plan_id = module.params.get('notification_plan_id')
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criteria = module.params.get('criteria')
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disabled = module.boolean(module.params.get('disabled'))
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metadata = module.params.get('metadata')
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setup_rax_module(module, pyrax)
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alarm(module, state, label, entity_id, check_id, notification_plan_id,
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criteria, disabled, metadata)
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# Import module snippets
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from ansible.module_utils.basic import *
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from ansible.module_utils.rax import *
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# Invoke the module.
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main()
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