COA Monitoring & Reporting Tools 3

Question 1

In Aodh, which alarm type triggers when a Gnocchi metric crosses a defined threshold?

Accepted Answer

gnocchi_resources_threshold

Answer

The 'gnocchi_resources_threshold' alarm type in Aodh evaluates Gnocchi metric values against a threshold to trigger alarms.

Question 2

Which OpenStack CLI command creates an Aodh alarm that fires when CPU utilization exceeds 80%?

Accepted Answer

openstack alarm create --type gnocchi_resources_threshold --metric cpu_util --threshold 80

Answer

The 'openstack alarm create --type gnocchi_resources_threshold' command with --metric and --threshold flags creates a CPU utilization alarm in Aodh.

Question 3

What does the 'openstack metric resource list' command display?

Accepted Answer

All resources tracked in Gnocchi with their associated metrics

Answer

The 'openstack metric resource list' command shows all resources registered in Gnocchi along with the metrics associated with each.

Question 4

Which Ceilometer pipeline configuration file defines how samples are transformed and published?

Accepted Answer

pipeline.yaml

Answer

The pipeline.yaml file defines Ceilometer's sources, sinks, transformers, and publishers for processing collected samples.

Question 5

What is the role of 'Monasca' in an OpenStack environment compared to Ceilometer?

Accepted Answer

Monasca is a monitoring-as-a-service solution designed for high-scale, multi-tenant metric collection

Answer

Monasca is a high-performance, multi-tenant monitoring-as-a-service solution that can complement or replace Ceilometer in large-scale OpenStack deployments.

(COA) Certified OpenStack Administrator Exam Practice Test

(COA) Certified OpenStack Administrator Exam Practice Test

COA Monitoring & Reporting Tools 3