Get playbooks:
cd ~
git clone https://github.com/nicolamarangoni/playbooks.git
Local:
cd ~/playbooks
git pull
On several hosts with ansible:
ansible-playbook ~/playbooks/tools/update-playbooks.yml --extra-vars "host=all"
ansible-playbook ~/playbooks/tools/centos/upgrade.yml --extra-vars "host=all"