We are dwelling deep into 2014 now, we want to let you know about what we are up to in this new year with the main news from the last month regarding the OpenNebula project, including what you can expect in the following months.


The OpenNebula team is currently carefully crafting the next release of OpenNebula. As 4.6 is in the oven, we want to share with you some of the new features we are implementing for this new release. Probably the most stunning highlight would be the deprecation of the oZones component, with all its features being now implemented directly in OpenNebula, being them in the core or in Sunstone. This is a twofold process.

First, the VDC functionality is being assimilated within groups. Administrators would have the ability to assign Resource Providers (clusters, in essence) to certain groups, so its members will only have access to the resources defined in a certain cluster (or clusters). This feature will come with the ability to define an administrator group, with members able to create users within the regular group. Permissions of the regular and administrator group can be finely tuned at the time of creation.

The second aspect of oZones that is being embedded into OpenNebula is zone management. An OpenNebula Zone is basically an OpenNebula instance. We are taking this management a step further in this release, with the ability to set up a OpenNebula federation. This federation will be at the user and permission level, and will allow users to log in into their local Sunstones and being redirected to another zone if they are in a group with a Resource Provider added from that zone. Pretty neat, right?

Another cool feature that will be present in 4.6 is the ability to import OVAs into OpenNebula. The functionality is being implemented in AppMarket, and will be a complete translation and import of all the resources defined in the OVA: disks, capacity, network… even with the ability to change the disks format. There are a myriad of bug fixes and other minor features being worked upon as well. Other aspects that are being revisited are storage backends, virtual networking, datastore and image management, VM management and Sunstone. You can find a comprehensive list here.


The OpenNebula community is relentless. During this few days of 2014, we have received a good deal of feedback in the mailing list which was very useful to define our roadmap. Check out the feedback in case you want to help defined the roadmap of future releases, OpenNebula’s features are driven by its users needs, which ensures its wide functionality and also working quality.

The addon catalog has a new neighbour: VDC store – caching storage infrastructure, by Gareth Bult. This module provides an interface to VDC-Store which is an alternative storage infrastructure for OpenNebula, providing a shared platform with support for local SSD caching, replication, live migration, snapshots and compression. There is also an ongoing integration between OpenNebula and IBM’s Softlayer. This is good news for OpenNebula users interested in building a hybrid cloud to extend their private data center with Softlayer resources.

We are also glad to know that OpenNebula is widely used in Spain. This kind of contradicts the otherwise universal truth: “The shoemaker’s son always goes barefoot.” It is very interested to know as well, via Carlo Daffara, that “Half the real estates agencies of Italy use back end services powered by @opennebula”. He says, and he indeed knows.

OpenNebula use in the Spanish RedIris Community

OpenNebula web page has been completely redefined, in order to make it more community oriented (and, of course, more visually appealing!). The documentation has been also migrated to a sphinx, and the code uploaded to a public repository on GitHub, easing community contributions to a key component of OpenNebula. There are other contributions (like this networking hack) which makes our community awesome. Lots of kudos to you, keep up the good work, we will hold on tight to our end!


First things first, next year’s OpenNebula Conference will be held in Berlin as well, 2-4 of December, 2014. If you want to repeat or find out how it is for yourself, save the date! We are setting up a number of OpenNebula TechDays around the world. These events are designed to learn about OpenNebula with a hands-on cloud installation and operation workshop, and presentations from community members and users. If you are interested in hosting or sponsoring one, let us know!. Stay tuned for the first TechDays announcement, it’s happening soon. The following event is happening today, with the participation of an OpenNebula team member:

During the following months, members of the OpenNebula team will be speaking in the following events:

Remember that you can see slides and resources from past events in our Events page. We have also created a Slideshare account where you can see the slides from some of our recent presentations.

Besides our annual OpenNebula Conference, we are planning to organize Technology Day events in multiple cities globally.

The OpenNebula TechDays are full day events to learn about OpenNebula with a hands-on cloud installation and operation workshop, and presentations from community members and users that will focus on:

  • Sharing cloud use cases and deployment experiences
  • Introducing new integrations and ecosystem developments
  • Describing other related cloud open-source projects and tools

The OpenNebula TechDay events are targeted at Cloud Architects, Data Center Admins, Systems Admins, Systems Integrators, DevOps Architects, and Solutions Architect.

In the shorter term we would like to organize TechDays in USA (East and West coasts) and Europe.

Please send us an email at contact@opennebula.org if you are interested in hosting a TechDays event or in providing support.

We look forward to your answers,


Last week, after receving a good amount of feedback, we’ve been planning the new features for OpenNebula 4.6. The primary focus for the next release is two-fold: federation and usability.

Federation of OpenNebula datacenters. oZones will undergo a major re-design (basically we are going to get rid of it ;)… and move its functionality to oned and Sunstone. This way, OpenNebula Zones will become a first-class citizens and it will be quite easy to federate your OpenNebula deployments. Virtual Data Centers, VDCs, will be also greatly improved: we are sure that they will prove to be a very useful tool to ease the multi-tenancy aspects of federated as well as stand-alone OpenNebula installations.

General usability improvements. In this area, there will not be radical new features in OpenNebula but rather minor adjustments to its current functionality. In particular, to highlight some of the new features:

  • Storage Backends, support for RDB fomat 2 and improved support for GlusterFS.
  • Virtual Networking, new operations to ease the update and management of virtual networks, as well as a clearer organization of IP assigment (including MAC-IP assigments and IP reservations).
  • Datastores and Images, new operations to easily re-size and move/clone images.
  • VM Management. New functions to simplify VM operation, provide attach/dettach operations on both running and non running VMs, or instantiate a template to a persistent VM.
  • Sunstone, we will continue to polish its functionality and also, it will expose new dialogs for the new features (e.g. zone selector for users, resource providers for user groups…)

The OpenNebula Team would like to thank the community for this awesome list of feature requests. Even though not all the requests made it for 4.6., we are very excited to work on a release with a roadmap completely defined with functionality requested by OpenNebula users.

The complete list of features and planned bug fixes is here. Requests not planned for 4.6 have been moved to the project backlog.


We are happy to announce that OpenNebula will be at the upcoming CentOS Dojo Brussels, which will take place on Friday 31st January and again at the FOSDEM 2014 the following day.

OpenNebula will be part of a very special event during the CentOS Dojo, a hackathon called CentOS in the Cloud, where we will focus in creating, testing and releasing CentOS Cloud images among many other things as part of a more general effort of making an even better OpenNebula experience in CentOS.

If you are interested in deploying production-ready private or public clouds in minutes with fully functional working images, you should definitely drop by this event. It’s going to be fun and exciting!

On saturday morning, you will also be able to meet us at the CentOS table. We will have a computer with us and we will be happy to run some demos, and show off all the things we’ve accomplished so far.

OpenNebula and CentOS already make an amazing couple, and it’s only going to get even better!