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chef_eye (8) Versions 0.2.1

Installs/Configures chef_eye

Berkshelf/Librarian
Policyfile
Knife
cookbook 'chef_eye', '= 0.2.1'
cookbook 'chef_eye', '= 0.2.1', :supermarket
knife cookbook site install chef_eye
knife cookbook site download chef_eye
README
Dependencies
Changelog
Quality

chef_eye

Cookbook for setup eye service and applications

Supported Platforms

  • Ubuntu 12.04
  • Ubuntu 14.04

Attributes

<table> <tr> <th>Key</th> <th>Type</th> <th>Description</th> <th>Default</th> </tr> <tr> <td><tt>['chef_eye']['services']</tt></td> <td>Hash or Array</td> <td>Array of users or Hash with users as keys and service options as value</td> <td><tt>['root']</tt></td> </tr> <tr> <td><tt>['chef_eye']['applications']</tt></td> <td>Hash</td> <td>Applications configurations</td> <td><tt>{}</tt></td> </tr> <tr> <td><tt>['chef_eye']['install_ruby']</tt></td> <td>Boolean</td> <td>Try to install ruby packages ruby, ruby-dev</td> <td><tt>true</tt></td> </tr> </table>

Usage

Recipes

chef_eye::default

Include chef_eye in your node's run_list:

{
  "run_list": [
    "recipe[chef_eye::default]"
  ]
}

Ruby

Cookbook used system ruby and try to install ruby, ruby-dev packages if node['chef_eye']['install_ruby'] set to true If you want to use custom system ruby, you need set node['chef_eye']['install_ruby'] to false and install custom ruby before before this cookbook. For example, if you want to use uid and gid application options, you need install ruby 2.0.0 as system ruby. Its installation is your concern.

Service

Services named by eye_ prefix and username. For example, service for user vagrant, well be named as eye_vagrant. service for user root as eye_root, etc.

If you need to reload service for user vagrant, you can use

some_resource do
  ...
  notifies :reload, 'service[eye_vagrant]'
end

if you want to configure service fore some user, you can setup it

default['chef_eye']['services'] = {
  ubuntu: {
    'logger' => '/var/log/eye/ubuntu.log'
    'mail' => {
      'host' => 'mx.some.host',
      'port' => 25,
      'domain' => 'some.host'
    },
    contacts: {
      'errors' => {
        'type' => 'mail',
        'contact' => 'error@some.host'
      },
      'dev' => {
        'type' => 'mail',
        'contact' => 'error@some.host',
        'opts' => {}
      },
    }
  }
}

Configuration

You can use any valid eye options. For example:

default['chef_eye']['applications']['my_app'] = {
  owner: 'vagrant', # required
  group: 'vagrant',
  checks: {
    cpu: {
      :every => 30,
      :below => 80,
      :times => 3
    },
    memory:{
      :every => 30,
      :below => 73400320,
      :times => [ 3, 5 ]
    }
  },
  process: {
    unicorn: {
      daemonize:  true,
      pid_file: 'puma.pid',
      stdall: 'puma.log',
      start_command: 'bundle exec puma --port 33280 --environment production Config.ru',
      stop_signals: ['TERM', 5, 'KILL']
    },
    resque: {
      pid_file: 'tmp/pids/resque.pid',
      start_command: 'bin/resque work --queue=high',
      checks: {
        cpu: {
          :every => 30,
          :below => 80,
          :times => 3
        }
      }
    }
  }
}

This cookbook will install the eye service for user 'vagrant' (/etc/init.d/eye_vagrant) and generate valid '.eye' configuration file (/etc/eye/vagrant/my_app.eye).

LWRP

chef_eye_application

Cookbook provide chef_eye_application resource. This is a main resource for generate eye configuration.

chef_eye_application 'name_of_my_app' do
  owner 'ubuntu'
  group 'ubuntu'
  config do
    env 'RAILS_ENV' => 'production'
    working_dir '/var/www/my_app'
    trigger :flapping, :times => 10, :within => 1.minute
    process :puma do
      daemonize true
      pid_file "puma.pid"
      stdall "puma.log"
      start_command "bundle exec puma --port 33280 --environment production thin.ru"
      stop_signals [:TERM, 5.seconds, :KILL]
      restart_command "kill -USR2 {PID}"
      restart_grace 10.seconds
      check :cpu, :every => 30, :below => 80, :times => 3
      check :memory, :every => 30, :below => 70.megabytes, :times => [3,5]
    end
  end
  action :configure # or :delete
  notifies :reload, 'service[eye_ubuntu]' # you need notify service for reload
end

or as hash

chef_eye_application 'name_of_my_app' do
  owner 'ubuntu'
  group 'ubuntu'
  config({
      env: {
        RAILS_ENV: 'production'
      },
      working_dir: '/var/www/my_app',
      triggers: {
        flapping: {
          :times => 10,
          :within => 1.minute
        }
      },
      processes: {
        puma: {
          daemonize: true,
          pid_file: "puma.pid",
          stdall: "puma.log",
          start_command: "bundle exec puma --port 33280 --environment production thin.ru",
          stop_signals: [:TERM, 5.seconds, :KILL],
          restart_command: "kill -USR2 {PID}",
          restart_grace: 10.seconds,
          checks: {
            cpu: {:every => 30, :below => 80, :times => 3},
            memory: {:every => 30, :below => 70.megabytes, :times => [3, 5]}
          }
        }
      }
    })
  action :configure # or :delete
  notifies :reload, 'service[eye_ubuntu]' # you need notify service for reload
end

Helper

chef_eye_application resource have helper (String) and helper_prefix (String, default: owner name) attributes. If helper is true, resource will generate /usr/local/sbin/<prefix>_<application_name> executable scripts. By default for my_app helper is /usr/local/sbin/vagrant_my_app. This script run all command only for my_app namespace.

Important! If you use LWRP, you need to add owner of application to node['chef_eye']['services'] attribute manually.

License and Authors

Author:: Nikolay Murga (nikolay.m@randrmusic.com)

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

0.1.0

Initial release of chef-eye

Foodcritic Metric
            

0.2.1 failed this metric

FC031: Cookbook without metadata file: /tmp/cook/795a50b9962014f0787e927a/chef_eye/metadata.rb:1
FC045: Consider setting cookbook name in metadata: /tmp/cook/795a50b9962014f0787e927a/chef_eye/metadata.rb:1