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Diffstat (limited to 'lib/ansible/modules/extras/cloud/rackspace/rax_mon_alarm.py')
| -rw-r--r-- | lib/ansible/modules/extras/cloud/rackspace/rax_mon_alarm.py | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/lib/ansible/modules/extras/cloud/rackspace/rax_mon_alarm.py b/lib/ansible/modules/extras/cloud/rackspace/rax_mon_alarm.py new file mode 100644 index 0000000000..a3f29e22f5 --- /dev/null +++ b/lib/ansible/modules/extras/cloud/rackspace/rax_mon_alarm.py @@ -0,0 +1,227 @@ +#!/usr/bin/python +# 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/>. + +# This is a DOCUMENTATION stub specific to this module, it extends +# a documentation fragment located in ansible.utils.module_docs_fragments +DOCUMENTATION = ''' +--- +module: rax_mon_alarm +short_description: Create or delete a Rackspace Cloud Monitoring alarm. +description: +- Create or delete a Rackspace Cloud Monitoring alarm that associates an + existing rax_mon_entity, rax_mon_check, and rax_mon_notification_plan with + criteria that specify what conditions will trigger which levels of + notifications. Rackspace monitoring module flow | rax_mon_entity -> + rax_mon_check -> rax_mon_notification -> rax_mon_notification_plan -> + *rax_mon_alarm* +version_added: "2.0" +options: + state: + description: + - Ensure that the alarm with this C(label) exists or does not exist. + choices: [ "present", "absent" ] + required: false + default: present + label: + description: + - Friendly name for this alarm, used to achieve idempotence. Must be a String + between 1 and 255 characters long. + required: true + entity_id: + description: + - ID of the entity this alarm is attached to. May be acquired by registering + the value of a rax_mon_entity task. + required: true + check_id: + description: + - ID of the check that should be alerted on. May be acquired by registering + the value of a rax_mon_check task. + required: true + notification_plan_id: + description: + - ID of the notification plan to trigger if this alarm fires. May be acquired + by registering the value of a rax_mon_notification_plan task. + required: true + criteria: + description: + - Alarm DSL that describes alerting conditions and their output states. Must + be between 1 and 16384 characters long. See + http://docs.rackspace.com/cm/api/v1.0/cm-devguide/content/alerts-language.html + for a reference on the alerting language. + disabled: + description: + - If yes, create this alarm, but leave it in an inactive state. Defaults to + no. + choices: [ "yes", "no" ] + metadata: + description: + - Arbitrary key/value pairs to accompany the alarm. Must be a hash of String + keys and values between 1 and 255 characters long. +author: Ash Wilson +extends_documentation_fragment: rackspace.openstack +''' + +EXAMPLES = ''' +- name: Alarm example + gather_facts: False + hosts: local + connection: local + tasks: + - name: Ensure that a specific alarm exists. + rax_mon_alarm: + credentials: ~/.rax_pub + state: present + label: uhoh + entity_id: "{{ the_entity['entity']['id'] }}" + check_id: "{{ the_check['check']['id'] }}" + notification_plan_id: "{{ defcon1['notification_plan']['id'] }}" + criteria: > + if (rate(metric['average']) > 10) { + return new AlarmStatus(WARNING); + } + return new AlarmStatus(OK); + register: the_alarm +''' + +try: + import pyrax + HAS_PYRAX = True +except ImportError: + HAS_PYRAX = False + +def alarm(module, state, label, entity_id, check_id, notification_plan_id, criteria, + disabled, metadata): + + if len(label) < 1 or len(label) > 255: + module.fail_json(msg='label must be between 1 and 255 characters long') + + if criteria and len(criteria) < 1 or len(criteria) > 16384: + module.fail_json(msg='criteria must be between 1 and 16384 characters long') + + # Coerce attributes. + + changed = False + alarm = None + + cm = pyrax.cloud_monitoring + if not cm: + module.fail_json(msg='Failed to instantiate client. This typically ' + 'indicates an invalid region or an incorrectly ' + 'capitalized region name.') + + existing = [a for a in cm.list_alarms(entity_id) if a.label == label] + + if existing: + alarm = existing[0] + + if state == 'present': + should_create = False + should_update = False + should_delete = False + + if len(existing) > 1: + module.fail_json(msg='%s existing alarms have the label %s.' % + (len(existing), label)) + + if alarm: + if check_id != alarm.check_id or notification_plan_id != alarm.notification_plan_id: + should_delete = should_create = True + + should_update = (disabled and disabled != alarm.disabled) or \ + (metadata and metadata != alarm.metadata) or \ + (criteria and criteria != alarm.criteria) + + if should_update and not should_delete: + cm.update_alarm(entity=entity_id, alarm=alarm, + criteria=criteria, disabled=disabled, + label=label, metadata=metadata) + changed = True + + if should_delete: + alarm.delete() + changed = True + else: + should_create = True + + if should_create: + alarm = cm.create_alarm(entity=entity_id, check=check_id, + notification_plan=notification_plan_id, + criteria=criteria, disabled=disabled, label=label, + metadata=metadata) + changed = True + else: + for a in existing: + a.delete() + changed = True + + if alarm: + alarm_dict = { + "id": alarm.id, + "label": alarm.label, + "check_id": alarm.check_id, + "notification_plan_id": alarm.notification_plan_id, + "criteria": alarm.criteria, + "disabled": alarm.disabled, + "metadata": alarm.metadata + } + module.exit_json(changed=changed, alarm=alarm_dict) + else: + module.exit_json(changed=changed) + +def main(): + argument_spec = rax_argument_spec() + argument_spec.update( + dict( + state=dict(default='present', choices=['present', 'absent']), + label=dict(required=True), + entity_id=dict(required=True), + check_id=dict(required=True), + notification_plan_id=dict(required=True), + criteria=dict(), + disabled=dict(type='bool', default=False), + metadata=dict(type='dict') + ) + ) + + module = AnsibleModule( + argument_spec=argument_spec, + required_together=rax_required_together() + ) + + if not HAS_PYRAX: + module.fail_json(msg='pyrax is required for this module') + + state = module.params.get('state') + label = module.params.get('label') + entity_id = module.params.get('entity_id') + check_id = module.params.get('check_id') + notification_plan_id = module.params.get('notification_plan_id') + criteria = module.params.get('criteria') + disabled = module.boolean(module.params.get('disabled')) + metadata = module.params.get('metadata') + + setup_rax_module(module, pyrax) + + alarm(module, state, label, entity_id, check_id, notification_plan_id, + criteria, disabled, metadata) + + +# Import module snippets +from ansible.module_utils.basic import * +from ansible.module_utils.rax import * + +# Invoke the module. +main() |