2.8 KiB
Enabling Alarms for plugin metrics/meters
This guide provides a description of what aodh features are available when the collectd-gnocchi plugin is enabled. It provides a list of the alarms that can be created and how to create them.
Gnocchi Based Alarms
There are three types of gnocchi based alarms that can be created using aodh:
- gnocchi_resources_threshold
- gnocchi_aggregation_by_metrics_threshold
- gnocchi_aggregation_by_resources_threshold
Note
Currently, the metrics created by the collectd-gnocchi-plugin don't support the creation of gnocchi_resources_threshold alarms or gnocchi_aggregation_by_resources_threshold alarms.
To create a simple gnocchi_aggregation_by_metrics_threshold alarm:
- Type the following;
aodh alarm create- In the same command specify the name, type, metrics, threshold and aggregation method of your desired alarm. This alarm can be defined for one or a list of metrics.
--name <ALARM_NAME>
-t gnocchi_aggregation_by_metrics_threshold
--threshold <THRESHOLD>
--metrics <LIST_OF_METRICS>
--aggregation-method <AGGREGATION_METHOD>Event Alarms
Event alarms can be created for any gnocchi metric. They would be triggered based on the status of the event defined for the alarm.
- To create event alarms enter the following command;
aodh alarm create
--name <ALARM_NAME>
-t event
--event-type <EVENT_TYPE>Composite Alarms
Like event alarms, composite alarms can be created for the gnocchi plugin. A composite alarm is created by combining more than one type of alarm. Hence you can combine alarms based on Gnocchi metrics with alarms from other sources.
- Composite alarms are generated by the following command;
aodh alarm create
--name <ALARM_NAME>
-t composite
--composite-rule <COMPOSITE_RULE>