Adding the Ceph Ansible modules

We can use Git to clone the Ceph Ansible repository, as follows:

git clone https://github.com/ceph/ceph-ansible.git
git checkout stable-3.2
sudo cp -a ceph-ansible/* /etc/ansible/

We also need to install a few extra packages that ceph-ansible requires:

sudo apt-get install python-pip

sudo pip install notario netaddr

Let's also explore some key folders in the Git repository:

• group_vars: We've already covered what lives here and will explore possible configuration options in more detail later
• infrastructure-playbooks: This directory contains pre-written playbooks to carry out some standard tasks, such as deploying clusters or adding OSDs to an existing one. The comments at the top of the playbooks give a good idea of what they do.
• roles: This directory contains all the roles that make up the Ceph Ansible modules. You will see that there...