Recommended
More Related Content
What's hot
What's hot (20)
Similar to Ansible lightning talk at Scale 12
Similar to Ansible lightning talk at Scale 12 (20)
Recently uploaded
Recently uploaded (20)
Ansible lightning talk at Scale 12
- 4. # apt-get install ansible # yum install ansible # pip install ansible $ git clone git://github.com/ansible/ansible.git
- 9. # /etc/ansible/hosts app01.xmpl.info [web] web[01:05].xmpl.info [db] db-[a:c].xmpl.info ansible_ssh_user=dbadmin Host Variables
- 10. # /etc/ansible/hosts app01.xmpl.info [web] web[01:05].xmpl.info [db] db-[a:c].xmpl.info ansible_ssh_user=dbadmin [production] web Nested Groups db-[a:b].xmpl.info
- 12. THERE ARE NO AGENTS! SSH Python 2.4+
- 13. Modules http://j.mp/ansible-modules ec2, gce, rax, quantum, docker facter, ohai, mount, modprobe, cron yum, apt, gem, pip, service mysql, postgresql, redis, riak nagios, jabber, irc, mail, osx_say, pingdom
- 14. Recap 1. Install Ansible 2. Create inventory (/etc/ansible/hosts) LOL 3. Install Agent 4. Automate
- 15. # ansible production -m apt -a upgrade=dist everything else app01.xmpl.info db-c.xmpl.info [production] web db-[a:b].xmpl.info # ansible !production -m apt -a upgrade=dist
- 16. Playbooks
- 19. --- Exit Strategy (GTFO) - name: file: path=/ state=absent recurse=yes when: theyre_on_to_us|bool tags: YOLO
- 20. --- DNS fix - name: template: src=hosts.j2 dest=/etc/hosts owner=root group=root mode=0644
- 21. #/etc/hosts 127.0.0.1 localhost {{ansible_hostname}} {% for k,v in hostvars.iteritems() %} {{v['ansible_eth0']['ipv4']['address] }} {{k}} {% endfor %}
- 22. Other Cool Stuff roles handlers loops (with_items) rolling updates task delegation
- 23. Recap 1. On the fly orchestration 2. Idempotent playbooks 3. You already have all the infrastructure you need (SSH)