rax_mon_alarm – Create or delete a Rackspace Cloud Monitoring alarm

Synopsis

  • 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

Requirements

The below requirements are needed on the host that executes this module.

  • python >= 2.6

  • pyrax

Parameters

Parameter Choices/Defaults Comments
api_key
-
Rackspace API key, overrides credentials.

aliases: password
auth_endpoint
-
Default:
"https://identity.api.rackspacecloud.com/v2.0/"
The URI of the authentication service.
check_id
- / required
ID of the check that should be alerted on. May be acquired by registering the value of a rax_mon_check task.
credentials
-
File to find the Rackspace credentials in. Ignored if api_key and username are provided.

aliases: creds_file
criteria
-
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
boolean
    Choices:
  • no
  • yes
If yes, create this alarm, but leave it in an inactive state. Defaults to no.
entity_id
- / required
ID of the entity this alarm is attached to. May be acquired by registering the value of a rax_mon_entity task.
env
-
Environment as configured in ~/.pyrax.cfg, see
identity_type
-
Default:
"rackspace"
Authentication mechanism to use, such as rackspace or keystone.
label
- / required
Friendly name for this alarm, used to achieve idempotence. Must be a String between 1 and 255 characters long.
metadata
-
Arbitrary key/value pairs to accompany the alarm. Must be a hash of String keys and values between 1 and 255 characters long.
notification_plan_id
- / required
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.
region
-
Default:
"DFW"
Region to create an instance in.
state
-
    Choices:
  • present ←
  • absent
Ensure that the alarm with this label exists or does not exist.
tenant_id
-
The tenant ID used for authentication.
tenant_name
-
The tenant name used for authentication.
username
-
Rackspace username, overrides credentials.
validate_certs
boolean
    Choices:
  • no
  • yes
Whether or not to require SSL validation of API endpoints.

aliases: verify_ssl

Notes

Note

  • The following environment variables can be used, RAX_USERNAME, RAX_API_KEY, RAX_CREDS_FILE, RAX_CREDENTIALS, RAX_REGION.

  • RAX_CREDENTIALS and RAX_CREDS_FILE points to a credentials file appropriate for pyrax. See https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#authenticating

  • RAX_USERNAME and RAX_API_KEY obviate the use of a credentials file

  • RAX_REGION defines a Rackspace Public Cloud region (DFW, ORD, LON, …)

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

Status

Authors

  • Ash Wilson (@smashwilson)

Hint

If you notice any issues in this documentation, you can edit this document to improve it.