[Openstack] [Ceilometer] Example "create alarm" via REST API

[Mark Vlcek (mavlcek)]

Hi All,

Can somebody give me an example of how I’d create an alarm via the Telemetry 
(aka Ceilometer) REST API? I can’t for the life of me find a simple example 
online, say for example, how to set an alarm for when cpu_util > 80% for a 
given running instance.

I saw this example in a presentation somewhere, but it’s not exactly 
self-explanatory.

POST /v2/alarms

{
    "alarm_actions": [
        "http://site:8000/alarm";
    ],
    "insufficient_data_actions": [
        "http://site:8000/nodata";
    ],
    "ok_actions": [
        "http://site:8000/ok";
    ],
    "comparison_operator": "gt",
    "description": "An alarm",
    "evaluation_periods": 2,
    "matching_metadata": {
        "key_name": "key_value"
    },
    "meter_name": "storage.objects",
    "name": "SwiftObjectAlarm",
    "period": 240,
    "statistic": "avg",
    "threshold": 200
}

Thanks,
Mark

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