OpenStack Salt MK22 Vagrant-based lab

The blog by Sebastian inspired me to try out OpenStack Salt in combination with the new MK22 Reclass model. Instead of using the TCPcloud provided labs I'm using my own laptop beast (ThinkPad W530 with 32GB of memory). For that reason I created a Vagrantfile for the mk22-lab-basic environment to …

Fuel: Separate Ceph Public from Management using Network Templates

This post will demonstrate using Network Templates in Fuel to separate Ceph Public Network from Management Network. By default Fuel combines the ceph public network with the management network. The Ceph Public network is used for communicating from the compute nodes to the Ceph nodes. So in high performant storage …

Creating a KVM VM for StackLight on Fuel 8.0 master node

Creating a KVM VM on the Fuel master node is a nice way to better utilize server resources for small environments that were deployed already without using Fuel compact install or running Fuel as VM itself. We can run Controller, Monitoring or MongoDB as VM on the Fuel node. This …

Enable SRIOV on OpenStack Juno

Update: This blog post is deprecated by the official documentation. Please take a look at the official Networking Guide: Using SRIOV functionality. Patch set that added the official documentation: changeset.

Hadoop on demand with Openstack, Cloudinit and Salt

This post will describe the whole process of providing hadoop on demand through Openstack, Cloudinit and Saltstack. We will use Openstack to provision servers on demand, cloudconfig to install salt-master and salt-minion and saltstack to deploy hadoop namenode and datanodes, all fully automated. This makes us able to deploy a …

Neutron Multiple allocation pools single subnet (Solve Fragmented floating ips problem)

In a lab environment in the university I only had access to a list of fragmented public routable IP addresses in a single subnet. For example I got access to the following ips 50.15.15.10, 55.15.15.12-15, 55.15.15.17. But I am not allowed …

Openstack Networking Study Notes

I recommend these links in the following order:

• ScottLowe blog: Using GRE tunnels with OpenvSwitch
• ScottLowe blog: Examining OpenvSwitch traffic patterns
• Hastexto: Neutron Packet Flows (PDF/Presentation)