Ansible module to manage CephX Keys
Following our recent initiative on writing more Ceph modules for Ceph Ansible, I’d like to introduce one that I recently wrote: ceph_key.
Ansible
Ansible module to create CRUSH hierarchy
First post of the year after a long time with no article, three months… I know it has been a while, I wish I had more time to do more blogging. I have tons of draft articles that never made it …
Introducing Ceph Ansible profile library
A couple of releases ago, in order to minimize changes within the ceph.conf.j2 Jinja template, we introduced a new module that we took from the OpenStack Ansible guy. This module is called …
Ceph ansible is building its community
This blog just relays what the initial announcement of the ceph-ansible mailing list.
Run multiple Rados Gateways on the same host with Ceph Ansible
Quick how-to with Ceph Ansible to run multiple Ceph Rados Gateways on the same machine.
Ceph ansible can now shrink your cluster
Ceph ansible is quickly catching up with ceph-deploy in terms of features. Last week, I was discussing the dm-crypt support. The ability to shrink a Ceph cluster, removing one or N monitors/OSDs …
Using Ubuntu? Planning on using Ceph Jewel? Here what you should consider
The new Ubuntu LTS 16.04, code name: Xenial Xerus was just released a couple of weeks ago. Interestingly the new Ceph LTS, code name Jewel also just got released! Being a really lover of Ansible, I …
Bootstrap two Ceph and configure RBD mirror using Ceph Ansible
Since Jewel is out everyone wants to try the new RBD-mirroring feature.
Take over an existing Ceph cluster with Ceph Ansible
Ceph Ansible has tons of awesome capabilities, one of them is the possibility to plug on ane existing cluster that was not deployed with it. In this article, I will go through the take over …
Your first Ceph OSD backed by BlueStore with ceph-ansible
Jewel is just around the corner and the first release candidate just came out yesterday (tagged: v10.1.0). If you are not familiar with BlueStore yet, checkout my recent article: Ceph Jewel Preview: A …
Use Ceph Ansible to build and deploy Ceph from master branch
It is really easy with ceph-ansible to deploy a Ceph cluster from its bleeding edge version (github master branch).
Migrate Ceph cluster from one distro to another
One of the recent use case I had was to migrate an Ubuntu based Ceph cluster to RHEL. We had strict requirements and did not want to have any data being migrated. It is yet another beauty from Ceph …
Ceph Ansible first release
Ceph Ansible started as a personnal project, the reason was simple I wanted to have an in-depth look at Ansible. Thus I immediatly thought, why not try to deploy Ceph with Ansible. Moreover, I have …
Easily deploy containerized Ceph daemons with Vagrant
This weekend I just pushed a new feature in ceph-ansible, which adds the ability to deploy containerized Ceph daemons.
Use Ansible to configure containers
Typically, when we build a container image we have 2 main files: Dockerfile is the essence of the container, it is what the container is made of, it generally contains packages installation steps and …
Ansible greatest trick: iterate over a set of host
While running a playbook on a host you can request some information about other nodes.
Ceph ansible now supports dmcrypt
I recently worked on a new feature that ceph-ansible was laking of: support for dmcrypt. This dmcrypt scenario basically allows you to deploy encrypted OSD data directories. The encrypted key is …