Code. Chef enables people to easily build & manage complex & dynamic applications at massive scale • New model for describing infrastructure that promotes reuse • Programmatically provision and configure • Reconstruct business from code repository, data backup, and bare metal resources Chef is an automation platform for developers & systems engineers to continuously define, build, and manage infrastructure. CHEF USES: “ ”
node['conference']['name'] %></h1> </body> </html> • I told you, this is a trivial example! Stick with me. • No, you wouldn’t really manage your content in Chef but this may be easier to grok than sysctl settings.
A `Vagrantfile` has been placed in this directory. You are now ready to `vagrant up` your first virtual environment! Please read the comments in the Vagrantfile as well as documentation on `vagrantup.com` for more information on using Vagrant.
• Flag problems in your Chef cookbooks that will cause Chef to blow up when you attempt to converge • Encourage discussion within the Chef community on the more subjective stuff - what does a good cookbook look like?
"website::default" it "should install apache package" do chef_run.should install_package "apache2" end it "should create a home page" do chef_run.should create_file "/var/www/index.html" end
do chef_run.should create_file_with_content( "/var/www/index.html","Big Ruby") end it "should start the apache service" do chef_run.should start_service "apache2" end it "should enable the apache service" do chef_run.should enable_service "apache2" end end
MiniTest::Chef::Resources def test_succeed assert run_status.success? end def test_that_the_package_installed package("apache2").must_be_installed end def test_that_the_service_is_running service("apache2").must_be_running end
Chef Client, version 11.4.0 ... Converging 3 resources * package[apache2] action install - Would install version 2.2.22-1ubuntu1 of package apache2 * template[/var/www/index.html] action create * Parent directory /var/www does not exist. * Assuming directory /var/www would have been created - Would create template[/var/www/index.html] * service[apache2] action start - Would start service service[apache2] * service[apache2] action enable - Would enable service service[apache2] WARN: In whyrun mode, so NOT performing node save. Chef Client finished, 4 resources would have been updated
Failed examples: rspec ./cookbooks/website/spec/default_spec.rb:18 # website::default should create a home page with our content $ vagrant provision FATAL: RuntimeError: MiniTest failed with 0 failure(s) and 1 error(s). Error: test_home_page_content(TestWebsite):
nathenharvey
danielanewman
jnunemaker
tanoku
zakiwarfel
phodgson
smashingmag
orderedlist
samlambert
holman
lemiorhan
addyosmani
keithpitt
![templates/default/index.html.erb <html> <head> <title><%= node['conference']['name'] %></title> </head> <body> <h1>Hello, <%=](https://files.speakerdeck.com/presentations/6eecff6064e6013060a912313916f057/slide_9.jpg){kind=link}
![attributes/default.rb default['conference']['name'] = "Big Ruby"](https://files.speakerdeck.com/presentations/6eecff6064e6013060a912313916f057/slide_10.jpg){kind=link}
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![Chefspec chef_run.should create_file_with_content( "/var/www/index.html","Big Ruby") <%= node['conference']['name'] %> default['conference']['name'] =](https://files.speakerdeck.com/presentations/6eecff6064e6013060a912313916f057/slide_28.jpg){kind=link}
![Handlers $ vagrant up [default] Importing base box 'web'... [default]](https://files.speakerdeck.com/presentations/6eecff6064e6013060a912313916f057/slide_32.jpg){kind=link}
![minitest-handler $ vagrant provision [2013-02-01T06:43:34+00:00] INFO: Running report handlers Run](https://files.speakerdeck.com/presentations/6eecff6064e6013060a912313916f057/slide_35.jpg){kind=link}
