Blog, Community, Project

Expanding OpenNebula...

We are working these weeks on improving one of OpenNebula's most powerful components: OneFlow. OneFlow can be used to create, control and monitor complex services composed of groups of interconnected Virtual Machines that come with internal deployment dependencies. Each group of VMs is deployed and managed as a single entity, and is completely integrated with the advance...

Christian González García-Muñoz January 15th, 2020
Blog, Community, Project

Selecting the Right CPU...

Sometimes it can be hard to choose a CPU model for VMs. There are many factors that can limit our options, like security or performance restrictions, or even the hardware you are using in your data center. In this post I’d like to share my approach for selecting a CPU mod...

Christian González García-Muñoz December 10th, 2019
Blog, Community, Project

Monitoring OpenNebula e...

With the introduction of the new OpenNebula Hook Subsystem, the OpenNebula Hook Manager has been adapted to capture all OpenNebula events (API calls and state changes of VMs and Hosts) and publish them over a ZeroMQ publisher socket. By taking advantage of this new feature, we can monitor the OpenNebula API and keep an eye on the changes of state in our VMs and Hosts. In this post I will discuss this new architecture and some of the use cases that it enables. Architecture For th...

Christian González García-Muñoz November 18th, 2019
Blog, Community, Project

New Hook Subsystem

During the last months, at OpenNebula Systems we've been working on a complete redesign of the hooks subsystem. In this post we will go through all the new features. API Hooks One of the most powerful features that we have added is API Hooks, which allow the cloud administrator to define a hook for any OpenNebula API call. This provides huge flexibility for managing different OpenNebula events. The introduction of API Hooks has now slightly cha...

Christian González García-Muñoz October 4th, 2019
Blog, Community, News, Project

Self-provisioning of Vi...

As part of OpenNebula v.5.8 "Edge", we have designed a new method for self-provisioning virtual networks. OpenNebula already has two ways for creating virtual networks: Just create it from scratch. Reserve a slice of an existing virtual network. Typically the virtual networks are created by the cloud adminis...

Christian González García-Muñoz January 30th, 2019
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