Get OpenStack VM metrics


Kunbi

I have some clusters of virtual machines running on an OpenStack cloud. I would like to be able to get resource usage metrics for each machine. I'm looking for an efficient way to do this, especially via the API.

I've used Glances (a cross-platform monitoring tool), but as far as I know it doesn't meet my requirements, since the VM will be created on the fly, so there's no way to include the IP address of the new machine to glance configuration (if anyone know how I do it, and I'm open to the idea of ​​doing so).

So I'm thinking of creating an API that can run periodically and then send a "GET" request to get metrics periodically. The challenge with this is that I don't know what the content of the API should be. Really, I would love an API that already exists that I can deploy to the machine. I am programming in C#.

K.Railis

Ceilometer and Gnocchi are what you are looking for:

The Ceilometer project is a data collection service that provides the ability to normalize and transform data for all current OpenStack core components, and work is underway to support future OpenStack components.

Ceilometer is a component of the Telemetry Project. Its data can be used to provide customer billing, resource tracking, and alerting capabilities across all OpenStack core components.

Gnocchi is the project name for the TDBaaS (Time Series Database as a Service) project launched under the Ceilometer program umbrella.

Both Ceilometer and Gnocchi actually provide APIs for retrieving metrics. Please check the following links:

I hope this solves your problem correctly.

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