chef.md

   1 ---
   2 title: Chef
   3 category: Devops
   4 layout: 2017/sheet
   5 ---
   6
   7 ### Install
   8
   9 In your server:
  10 {: .-setup}
  11
  12 ```bash
  13 $ sudo apt-get install curl
  14 ```
  15
  16 ```bash
  17 $ curl -L https://omnitruck.chef.io/install.sh | sudo bash
  18 Thank you for installing Chef!
  19 ```
  20
  21 ```bash
  22 $ chef-solo -v
  23 ...
  24 Chef: 14.5.33
  25 ```
  26
  27 ### Start the cookbook
  28
  29 ```bash
  30  wget http://github.com/chef-cookbooks/chef-repo/tarball/master -O - | tar xzf - --strip-components=1
  31 ```
  32
  33 ### Knife
  34
  35 ```bash
  36 $ knife supermarket download mysql
  37 ```
  38
  39 ### Invoking chef-solo
  40
  41 ```bash
  42 $ chef-solo -c solo.rb -j web.json
  43 ```
  44
  45 ## Examples
  46
  47 ### Simple compile-from-source
  48
  49 ```ruby
  50 execute "tar --no-same-owner -zxf hi.tar.gz" do
  51   cwd "/usr/local/src"
  52   creates "/usr/local/src/node-v#{version}"
  53 end
  54 ```
  55
  56 ```ruby
  57 bash "compile" do
  58   cwd "/usr/local/src/node-v#{version}"
  59   code %[
  60     PATH=/usr/local/bin:$PATH
  61     ./configure
  62     make
  63   ]
  64   creates "/usr/local/src/node-v#{version}/node"
  65 end
  66 ```
  67
  68 ### remote file
  69
  70 ```ruby
  71 remote_file "/usr/local/src/hi.tar.gz" do
  72   source "http://..."
  73   checksum "ab83be..."
  74   mode 0644
  75   action :create_if_missing
  76 end
  77 ```
  78
  79 ### ruby_block
  80
  81 ```ruby
  82 ruby_block "name" do
  83   block { File.read ... }
  84   not_if { File.exists?(...) }
  85 end
  86 ```
  87
  88 ### Execute
  89
  90 ```ruby
  91 execute "name" do
  92   cwd "..."
  93   environment({ "PATH" => "..." })
  94   command "make install"
  95   creates "..."
  96 end
  97 ```
  98
  99 ### Conditions
 100
 101 ```ruby
 102   creates "/usr/local/src/node-v#{version}/node"
 103   not_if { File.exists?('...') }
 104 ```
 105
 106 ## Also see
 107
 108 * [Learn Chef Rally](https://learn.chef.io) _(learn.chef.io)_
 109 * [install_from_source.rb recipe](https://github.com/mdxp/nodejs-cookbook/blob/master/recipes/install_from_source.rb) _(github.com)_