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Vagrant Provisioning with Ansible
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Erika Heidi
July 18, 2015
Programming
2
920
Vagrant Provisioning with Ansible
As presented at PHP Southcoast 2015
Erika Heidi
July 18, 2015
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Transcript
None
whoami
What to expect from this talk 1. Vagrant: quick recap
2. Ansible Overview 3. Playbook crash-course 4. Standalone Ansible
VAGRANT: QUICK RECAP
None
ANSIBLE OVERVIEW
Ansible Overview • Simple and Straightforward • Human-readable automation language
• Agentless - needs only SSH • Extensive list of built-in modules • Used by Twitter, Atlassian, EA, Spotify, even NASA!
Installation $ brew update $ brew install ansible $ sudo
apt-add-repository -y ppa:ansible/ansible $ sudo apt-get update $ sudo apt-get install -y ansible Detailed installation instructions: do.co/ansible-docs Mac OSX Ubuntu *Windows is not officially supported as controller machine.
A Simple Playbook # playbook.yml --- - hosts: all sudo:
true tasks: - name: Update apt-cache apt: update_cache=yes - name: Install Nginx apt: pkg=nginx state=latest
Ansible Output
Ansible Output (with cowsay)
Ansible as Provisioner #Vagrantfile Vagrant.configure("2") do |config| config.vm.box = "hashicorp/precise64"
config.vm.provision "ansible" do |ansible| ansible.playbook = "playbook.yml" end end
DEMO
None
WRITING PLAYBOOKS
Variables --- - hosts: all sudo: yes vars: web_server: nginx
tasks: - name: Install {{ web_server }} apt: pkg={{ web_server }} state=latest
Facts
Conditionals - name: "shutdown Debian flavored systems" command: /sbin/shutdown -t
now when: ansible_os_family == "Debian" - name: foo is not defined fail: msg="Bailing out. this play requires 'bar'" when: bar is not defined
Looping: with_items tasks: - name: Install Packages apt: pkg={{ item
}} state=latest with_items: - nginx - php5-fpm - git
Looping: with_items --- - hosts: all sudo: yes vars: sys_packages:
[ 'nginx', 'php5-fpm', 'git' ] tasks: - name: Install Packages apt: pkg={{ item }} state=latest with_items: sys_packages
Templates <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot {{ doc_root }} <Directory
{{ doc_root }}> AllowOverride All Require all granted </Directory> </VirtualHost>
Templates - Usage - name: Change default apache vhost template:
src=templates/apache.tpl dest=/etc/apache2/sites-available/000-default.conf
Handlers (services) --- - hosts: all sudo: yes vars: -
doc_root: /vagrant tasks: - name: Change default apache vhost template: src=templates/apache.tpl dest=/etc/apache2/sites- available/000-default.conf notify: restart apache handlers: - name: restart apache service: name=apache2 state=restarted
Handlers (services) --- - hosts: all sudo: yes vars: -
doc_root: /vagrant tasks: - name: Change default apache vhost template: src=templates/apache.tpl dest=/etc/apache2/sites- available/000-default.conf notify: restart apache handlers: - name: restart apache service: name=apache2 state=restarted
None
ORGANIZING PLAYBOOKS
Including Tasks --- - hosts: all sudo: true vars: doc_root:
/vagrant/web tasks: - include: tasks/init.yml - include: tasks/nginxphp.yml handlers: - name: restart nginx service: name=nginx state=restarted
Roles . ├── playbook.yml └── roles ├── init │ └──
tasks │ └── main.yml └── nginxphp ├── handlers │ └── main.yml ├── tasks │ └── main.yml └── templates └── vhost.tpl #playbook.yml --- - hosts: all sudo: true vars: doc_root: /vagrant/web roles: - init - nginxphp
STANDALONE ANSIBLE
Let's talk inventories! #/etc/ansible/hosts [webservers] erikaheidi.com dev-human.com [testservers] 178.62.192.53 95.85.35.248
178.62.221.111
Vagrant auto-generated inventory # Generated by Vagrant default ansible_ssh_host=127.0.0.1 ansible_ssh_port=2222
.vagrant/provisioners/ansible/inventory/vagrant_ansible_inventory
ad-hoc commands
ad-hoc commands
Running playbooks $ ansible-playbook -i staging -l webservers playbook.yml $
ansible-playbook playbook.yml --list-hosts $ ansible-playbook playbook.yml --list-tasks ansible-playbook [-i inventory] [-l group] playbook.yml
Running Ansible on Vagrant vms $ ansible all -i [inventory]
-u vagrant --private-key=[key] -a "php -v" $ ansible-playbook -i [inventory] -u vagrant --private- key=[key] demo01.yml .vagrant/provisioners/ansible/inventory/vagrant_ansible_inventory .vagrant/machines/default/virtualbox/private_key
Running Ansible on Vagrant vms
DEMO
RESOURCES
phansible.com
None
Vagrant Cookbook - Leanpub leanpub.com/vagrantcookbook/c/phpsc15 Also available on Amazon (paperback)
QUESTIONS?
Ansible Tutorials: http://do.co/ansible Please rate this talk: https://joind.in/13588