DevOps for Humans - Ansible for Drupal Deployment Victory!

DEVOPS FOR HUMANSF O R D R U P A L D E P L O Y M E N T V I C T O R Y !

DevOps Track - Thursday, June 5, 2014

• geerlingguy / Jeff Geerling • Senior Application Developer, Mercy • Owner, Midwestern Mac, LLC

Ansible for DevOps

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This presentation

1. Drupal deployments are hard

2. Ansible is simple and powerful

3. Ansible is great for Drupal deployments (and a lot more)

In the Beginning…

• Local Dev: MAMP/WAMP/XAMPP

• Deployments: git pull && drush updb

• Plus 15 other manual deployment steps…

• New servers: manual provisioning

http://devopsreactions.tumblr.com/

_______________________________________ / I once had to go to a sysadmin with a \ \ bottle of whiskey to get a deploy. / -‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ \ ^__^ \ (oo)\_______ (__)\ )\/\ ||-‐-‐-‐-‐w | || ||

@itababy at AnsibleFest NYC, 2014

Managed servers: 1

(Dries)

Managed servers: 50+

circa Dev

DevOps

• Solving Modern Problems:

• multi-server infrastructure (beyond LAMP)

• cloud provisioning, auto-scaling

• testable infrastructure

_______________________________________ / It should take less time to rebuild a \ \ server than to log in and fix it. / -‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ \ ^__^ \ (oo)\_______ (__)\ )\/\ ||-‐-‐-‐-‐w | || ||

http://www.slideshare.net/ItamarHassin/monitordriven-development-using-ansible-34920480

Puppet Chef Salt Ansible

Initial release 2005 2009 2011 2012

Configuration Language DSL Ruby/DSL YAML YAML

Template Language ERB ERB Jinja2 Jinja2

Agentless ✓

Simple ad-hoc task execution ✓ ✓

GitHub ★s* 2,239 2,729 3,531 6,202

*As of 2014/06/02. Just a reference point. Stars don’t mean much in the grand scheme of things ;-)

Current solutions

Agentless ✓

GitHub ★s* 2,239 2,729 3,531 6,202

Just like Drupal 8!

Just like Twig!

Current solutions

Agentless ✓

GitHub ★s* 2,239 2,729 3,531 6,202

Just like Drupal 8!

Just like Twig!

#HugOps

Current solutions

Who uses ?

(and me: Server Check.in, Hosted Apache Solr, Midwestern Mac, LLC)

First Steps with

Inventory

[lamp] example.com ![lamp:vars] ansible_ssh_user=johndoe ansible_ssh_port=2222

(save in /etc/ansible/hosts)

Inventory

Group name

Inventory

Group nameHosts in group (just one, for now)

Inventory

Group nameHosts in group (just one, for now)

Variables(for all hosts in group)

Playbook Task

-‐ name: Ensure Apache is installed. apt: pkg=apache2 state=latest

Playbook Task

Documentation

Playbook Task

Documentation

Module

Playbook Task

Documentation

ArgumentsModule

Playbook-‐-‐-‐ -‐ name: Ensure Apache/PHP is installed. apt: "pkg={{ item }} state=latest" with_items: -‐ apache2 -‐ php5-‐common -‐ libapache2-‐mod-‐php5 -‐ php5-‐cli !-‐ name: Ensure Apache is started. service: name=apache2 state=started

(save as web.yml)

Playbook

-‐-‐-‐ -‐ hosts: lamp sudo: yes ! tasks: -‐ apt: update_cache=yes ! -‐ include: web.yml

(save as playbook.yml)

Playbook

Name of group/host defined in inventory

Playbook

Name of group/host defined in inventory

Include the playbook we created earlier

ansible-‐playbook run

Ansible ♥ Vagrant

• First-class provisioner

• Inside Vagrantfile:

config.vm.provision "ansible" do |ansible| ansible.playbook = "playbook.yml" ansible.inventory_path = "inventory-‐vagrant" end

Deploy Drupal 8 with

-‐-‐-‐ -‐ hosts: d8 sudo: yes ! pre_tasks: -‐ apt: update_cache=yes -‐ apt_repository: > repo='ppa:ondrej/php5-‐oldstable' ! roles: -‐ geerlingguy.apache -‐ geerlingguy.mysql -‐ geerlingguy.php -‐ geerlingguy.php-‐mysql -‐ geerlingguy.postfix -‐ geerlingguy.drupal

-‐-‐-‐ -‐ ! -‐ -‐ repo='ppa:ondrej/php5-‐oldstable'! -‐ -‐ -‐ -‐ -‐ -‐

(this actually works)

00:03:14 later…

Ansible Roles• Encapsulation for configuration/tasks

Ansible Role

files/

tasks/

handlers/

vars/ meta/

templates/

Drupal Deployment Role

deploy/ roles/ site-deploy/ playbook.yml

Custom role!'site-deploy'

-‐-‐-‐ -‐ name: Run drush commands to update site. command: > drush -‐y {{ item }} chdir={{ drupal_core_path }} with_items: -‐ "cset system.site name '{{ site_name }}'" -‐ "rap 'anonymous' 'search content'" notify: restart webserver

site-deploy/tasks/main.yml

-‐-‐-‐ site_name: "Ansible Deployment" drupal_core_path: /var/www/drupal-‐8.x-‐dev

site-deploy/vars/main.yml

handlers

-‐-‐-‐ -‐ name: restart webserver service: > name=apache2 state=restarted sudo: yes

site-deploy/handlers/main.yml

tasks/main.yml vars/main.yml handlers/main.yml

playbook

-‐-‐-‐ -‐ hosts: d8 roles: -‐ site-‐deploy

playbook.yml

Notifications

-‐ name: Send IRC message. irc: > channel='#drupalcon' server='chat.freenode.net' nick='ansible-‐ninja' msg={{ irc_message }} delegate_to: 127.0.0.1

(also inside playbook.yml)

-‐-‐-‐ -‐ hosts: d8 sudo: yes ! pre_tasks: -‐ apt: update_cache=yes -‐ apt_repository: > repo='ppa:ondrej/php5-‐oldstable' ! roles: -‐ geerlingguy.apache -‐ geerlingguy.mysql -‐ geerlingguy.php -‐ geerlingguy.php-‐mysql -‐ geerlingguy.postfix -‐ geerlingguy.drupal -‐ site-‐deploy

Add to provisioningplaybook.yml

reverse-proxy.yml

webserver.yml

database.yml

search.yml

cache.yml

reverse-proxy.yml

webserver.yml

database.yml

search.yml

cache.yml

infrastructure-playbook.yml

-‐-‐-‐ -‐ hosts: all roles: -‐ security -‐ monitoring -‐ fileshare !-‐ hosts: webservers roles: -‐ nginx -‐ php -‐ drupal !-‐ hosts: database roles: -‐ postgres

for Drupal Deployment Victory!

• Easy to get started

• OH: “it works on my machine”

• sysadmin burnout

• You’ll actually enjoy it!

• …but BEWARE THE GOLDEN HAMMER!

Things I wanted to cover, but didn’t have time

• Ansible ♥’s:

• Packer

• Docker

• [AWS|DO|Linode|Rackspace|etc.]

• Ansible ♥’s:

• Packer

• Docker

• [AWS|DO|Linode|Rackspace|etc.]

• Delegation, notifications, ad-hoc commands, async commands, rolling updates, prompts, Ansible Vault, wait_for, forks, dynamic inventory, and oh-so-much-more…

Resources

• Docs

• Freenode: #ansible

• Google Group

• Ansible for DevOps

• Ansible Weekly (newsletter)

• Download Ansible

• Automate!

• Buy my book :)

Things you will do now:

WHAT DID YOU THINK?E VA LUAT E T H I S S E S S I O N :

A U S T I N 2 0 1 4 . D R U PA L . O R G / S C H E D U L E

Thank you!

DevOps for Humans - Ansible for Drupal Deployment Victory!

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Transcript of DevOps for Humans - Ansible for Drupal Deployment Victory!

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