Class: Provisioner::CLI

Inherits:
Object
  • Object
show all
Includes:
Mixlib::CLI
Defined in:
lib/provisioner/cli.rb

Direct Known Subclasses

Bootstrap, Provision

Defined Under Namespace

Classes: Bootstrap, Provision

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.commands ⇒ Object (readonly)

Returns the value of attribute commands.



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# File 'lib/provisioner/cli.rb', line 8

def commands
  @commands
end

Instance Attribute Details

#args ⇒ Object (readonly)

Returns the value of attribute args.



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# File 'lib/provisioner/cli.rb', line 91

def args
  @args
end

Class Method Details

.command(name) ⇒ Object

Returns a command class by it’s name



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# File 'lib/provisioner/cli.rb', line 11

def command name
  @commands[name]
end

.inherited(subclass) ⇒ Object 



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# File 'lib/provisioner/cli.rb', line 20

def inherited subclass
  @commands ||= {}
  @commands[subclass.name.split("::").last.downcase] = subclass

  subclass.instance_eval do
    option :config_file,
           short: '-c CONFIG_FILE',
           long: '--config CONFIG_FILE',
           description: 'Path to the config file (YML)',
           required: true

    option :debug,
           short: '-g',
           long: '--debug',
           description: 'Log status to STDOUT',
           boolean: true,
           required: false,
           default: false

    option :template,
           short: '-t TEMPLATE',
           long: '--template TEMPLATE',
           description: 'Template name',
           required: true

    option :number,
           short: '-n NUMBER',
           long: '--number NUMBER',
           description: 'Ruby range or a number for the host, ie 3 or 1..3 or [2,4,6]',
           required: false

    option :ssh_user,
           short: '-l SSH_USERNAME',
           long: '--user SSH_USERNAME',
           description: 'SSH user used to connect to server (overrides yml configuration)',
           required: false

    option :dry,
           long: '--dry-run',
           description: 'Dry runs and prints all commands without executing them',
           boolean: true,
           required: false

    option :help,
           short: '-h',
           long: '--help',
           description: 'Show this message',
           on: :tail,
           boolean: true,
           show_options: true,
           exit: 0
  end

  subclass.class_eval do
    def run(argv = ARGV)
      parse_options argv
      enable_logger if config[:debug]

      if config[:dry]
        provisioner_command.shell_commands.each do |command|
          puts command
        end
      else
        provisioner_command.run
      end
    end

  end
end

.supported_commands ⇒ Object

Returns array of registered command names



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# File 'lib/provisioner/cli.rb', line 16

def supported_commands
  commands.keys
end

Instance Method Details

#run(args = ARGV) ⇒ Object 



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# File 'lib/provisioner/cli.rb', line 93

def run args = ARGV
  @args = args
  validate!
  command_name = args.shift
  command_class = Provisioner::CLI.command(command_name)
  Provisioner::Exit.with_message("Command '#{command_name}' not found.") if command_class.nil?
  command_class.new.run(args)
end