Overview This article was written by myself and fellow colleague Götz Rieger. Often one of the most challenging problems we are facing today is both absorbing and leading change. Software defined-everything has taken over and is leveling the playing field, … Continue reading →
Overview OpenStack Cinder is responsible for handling block storage in the context of OpenStack. Cinder provides a standard API and interface that allows storage companies to create their own drivers in order to integrate storage capabilities into OpenStack in a … Continue reading →
Overview In this article we will setup a Red Hat Enterprise Virtualization (RHEV) environment. RHEV is based on upstream opensource projects KVM and Ovirt. RHEV is composed of Red Hat Enterprise Linux (RHEL which includes KVM) and Red Hat Enterprise Virtualization … Continue reading →
Overview In this article we will focus on installing and configuring OpenStack Newton using RDO and the packstack installer. RDO is a community platform around Red Hat’s OpenStack Platform. It allows you to test the latest OpenStack capabilities on a stable platform such as … Continue reading →
Ansible is a great tool to automate almost anything in IT. However, one of the core concepts of Ansible is the inventory where the to be managed nodes are listed. However, in some situations setting up a dedicated inventory is overkill.
I often run demos on my laptop with the help of libvirt. Managing 20+ machines that way is annoying when you have no DNS resolution for those. Luckily, with libvirt and NetworkManager, that can be easily solved.
Ansible has an ever growing list of modules. For a single module this raises the question: who is responsible for it? And what is the actual status? Here a new metadata field will most likely be introduced soon. With Ansible getting more and more traction every day, more modules are popping up everywhere – most […]
Ansible has an ever growing list of modules. For a single module this raises the question: who is responsible for it? And what is the actual status? Here a new metadata field will most likely be introduced soon. With Ansible getting more and more traction every day, more modules are popping up everywhere – most … Continue reading Who maintains an Ansible module? New metadata are coming…
Besides the almost thousand modules shipped with Ansible, there are many more community modules out there developed independently. A remarkable example is a set of modules to manage Oracle DBs. The Ansible module system is a great way to improve data center automation: automation tasks do not have to be programmed “manually” in shell code, … Continue reading Ansible community modules for Oracle DB & ASM
There are multiple sources where variables for Ansible can be defined. Most of them can be shown via the setup module, but there are more. For example, if you use a dynamic inventory script to access a Satellite server many variables like the organization are provided via the inventory script – and these are not […]