Chef cheatsheet

Install

In your server:

$ sudo apt-get install curl

$ curl -L https://omnitruck.chef.io/install.sh | sudo bash
Thank you for installing Chef!

$ chef-solo -v
...
Chef: 14.5.33

Start the cookbook

 wget http://github.com/chef-cookbooks/chef-repo/tarball/master -O - | tar xzf - --strip-components=1

Knife

$ knife supermarket download mysql

Invoking chef-solo

$ chef-solo -c solo.rb -j web.json

Examples

Simple compile-from-source

execute "tar --no-same-owner -zxf hi.tar.gz" do
  cwd "/usr/local/src"
  creates "/usr/local/src/node-v#{version}"
end

bash "compile" do
  cwd "/usr/local/src/node-v#{version}"
  code %[
    PATH=/usr/local/bin:$PATH
    ./configure
    make
  ]
  creates "/usr/local/src/node-v#{version}/node"
end

remote file

remote_file "/usr/local/src/hi.tar.gz" do
  source "http://..."
  checksum "ab83be..."
  mode 0644
  action :create_if_missing
end

ruby_block

ruby_block "name" do
  block { File.read ... }
  not_if { File.exists?(...) }
end

Execute

execute "name" do
  cwd "..."
  environment({ "PATH" => "..." })
  command "make install"
  creates "..."
end

Conditions

  creates "/usr/local/src/node-v#{version}/node"
  not_if { File.exists?('...') }

Also see

Learn Chef Rally (learn.chef.io)
install_from_source.rb recipe (github.com)