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Ansible PyWAW

This document discusses Ansible, an open source tool for configuration management, provisioning, and application deployment. It provides examples of using Ansible to manage groups of servers by installing and configuring packages, deploying code from git, and restarting services across multiple machines simultaneously and declaratively. The document also compares Ansible to other configuration management tools like Puppet and Fabric.

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| Ansible @ PyWaw Ansible Grzegorz Nosek PyWaw 21.01.2013
| Ansible @ PyWaw Ansible Grzegorz Nosek PyWaw 21.01.2013
| Ansible @ PyWaw Ansible fictitious machine capable of instantaneous or superluminal communication – http://en.wikipedia.org/wiki/Ansible
| Ansible @ PyWaw Ansible the easiest way to deploy, manage, and orchestrate computer systems you've ever seen – http://ansible.cc/
| Ansible @ PyWaw www1 ssh www2 master db1 db2
| Ansible @ PyWaw # pip install ansible # mkdir /etc/ansible # cat > /etc/ansible/hosts << EOF master master [www] www1 www2 [db] db1 db2 EOF
| Ansible @ PyWaw www1 www2 . python (2.6) . authorized_keys db1 db2
| Ansible @ PyWaw mass ssh ansible all -m ping ansible www -m service -a „name=nginx state=restarted” ansible db1 -m command -a „killall pgdump”
| Ansible @ PyWaw deploy (fabric) ansible-playbook deploy.yml --- hosts: www actions: - action: git repo=... dest=... notify: restart gunicorn handlers: - name: restart gunicorn action: service name=gunicorn state=restarted - hosts: db actions: - ...
| Ansible @ PyWaw deploy (fabric) + declarative + idempotent wget ./configure && make make install template src=... dest=... service foo state=started
| Ansible @ PyWaw config mgmt (puppet) --- hosts: www actions: - action: apt pkg=$item with_items: - nginx - python-virtualenv - action: template src=... dest=... - action: command foo creates=/etc/bar
| Ansible @ PyWaw config mgmt (puppet) + imperative + non-idempotent + cross-machine
| Ansible @ PyWaw provisioning . EC2 . VMWare . VirtualBox . HP iLO . ...
| Ansible @ PyWaw Ansible modules . command . git . fetch . template . service . +∞
„ | Ansible @ PyWaw Boże, żebyśmy my to mieli w $(job-1) – Marcin, nasz nowy admin :)
| Ansible @ PyWaw http://ansible.cc/ QA?