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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
2014
Me
• geerlingguy / Jeff Geerling • Senior Application Developer, Mercy • Owner, Midwestern Mac, LLC
Ansible for DevOps
• For sale on LeanPub
• 50% complete
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/
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
Managed servers: 1
circa
(Dries)
Managed servers: 50+
UAT
Test
Prod
Managed servers: 50+
UAT
Test
Prod
Dev
Managed servers: 50+
UAT
Test
Prod
circa Dev
The Simsons™ and © Fox and its related companies. All rights reserved.
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
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
Just like Drupal 8!
Just like Twig!
*As of 2014/06/02. Just a reference point. Stars don’t mean much in the grand scheme of things ;-)
Current solutions
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
Just like Drupal 8!
Just like Twig!
*As of 2014/06/02. Just a reference point. Stars don’t mean much in the grand scheme of things ;-)
#HugOps
Current solutions
Who uses ?
(and me: Server Check.in, Hosted Apache Solr, Midwestern Mac, LLC)
First Steps with
Inventory
Inventory
[lamp] example.com ![lamp:vars] ansible_ssh_user=johndoe ansible_ssh_port=2222
(save in /etc/ansible/hosts)
Inventory
[lamp] example.com ![lamp:vars] ansible_ssh_user=johndoe ansible_ssh_port=2222
(save in /etc/ansible/hosts)
Group name
Inventory
[lamp] example.com ![lamp:vars] ansible_ssh_user=johndoe ansible_ssh_port=2222
(save in /etc/ansible/hosts)
Group nameHosts in group (just one, for now)
Inventory
[lamp] example.com ![lamp:vars] ansible_ssh_user=johndoe ansible_ssh_port=2222
(save in /etc/ansible/hosts)
Group nameHosts in group (just one, for now)
Variables(for all hosts in group)
Playbook Task
Playbook Task
-‐ name: Ensure Apache is installed. apt: pkg=apache2 state=latest
Playbook Task
-‐ name: Ensure Apache is installed. apt: pkg=apache2 state=latest
Documentation
Playbook Task
-‐ name: Ensure Apache is installed. apt: pkg=apache2 state=latest
Documentation
Module
Playbook Task
-‐ name: Ensure Apache is installed. apt: pkg=apache2 state=latest
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
-‐-‐-‐ -‐ hosts: lamp sudo: yes ! tasks: -‐ apt: update_cache=yes ! -‐ include: web.yml
(save as playbook.yml)
Name of group/host defined in inventory
Playbook
-‐-‐-‐ -‐ hosts: lamp sudo: yes ! tasks: -‐ apt: update_cache=yes ! -‐ include: web.yml
(save as playbook.yml)
Name of group/host defined in inventory
Include the playbook we created earlier
ansible-‐playbook run
ansible-‐playbook run
Ansible ♥ Vagrant
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…
Demo
Ansible Roles• Encapsulation for configuration/tasks
Ansible Roles• Encapsulation for configuration/tasks
Ansible Role
files/
tasks/
handlers/
vars/ meta/
templates/
Drupal Deployment Role
deploy/ roles/ site-deploy/ playbook.yml
Drupal Deployment Role
deploy/ roles/ site-deploy/ playbook.yml
Custom role!'site-deploy'
tasks
-‐-‐-‐ -‐ 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
vars
-‐-‐-‐ 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
deploy/ roles/ site-deploy/ playbook.yml
tasks/main.yml vars/main.yml handlers/main.yml
Drupal Deployment Role
deploy/ roles/ site-deploy/ playbook.yml
Drupal Deployment Role
playbook
-‐-‐-‐ -‐ hosts: d8 roles: -‐ site-‐deploy
playbook.yml
Demo
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
-‐-‐-‐ -‐ 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!
for Drupal Deployment Victory!
• Easy to get started
for Drupal Deployment Victory!
• Easy to get started
• OH: “it works on my machine”
• sysadmin burnout
for Drupal Deployment Victory!
• Easy to get started
• OH: “it works on my machine”
• sysadmin burnout
• You’ll actually enjoy it!
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.]
Things I wanted to cover, but didn’t have time
• 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…
Things I wanted to cover, but didn’t have time
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!
2014
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