Class: Kumogata::ArgumentParser

Inherits:
Object
  • Object
show all
Defined in:
lib/kumogata/argument_parser.rb

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  :delete_stack => true,
  :result_log => File.join(Dir.pwd, 'result.json'),
  :command_result_log => File.join(Dir.pwd, 'command_result.json'),
  :color => $stdout.tty?,
  :debug => false,
  :config_path => File.expand_path('~/.aws/config'),
}
COMMANDS = 
{
  :create => {
    :description => 'Create resources as specified in the template',
    :arguments   => [:path_or_url, :stack_name?],
    :output      => false,
  },
  :validate => {
    :description => 'Validate a specified template',
    :arguments   => [:path_or_url],
    :output      => false,
  },
  :convert => {
    :description => 'Convert a template format',
    :arguments   => [:path_or_url],
  },
  :update => {
    :description => 'Update a stack as specified in the template',
    :arguments   => [:path_or_url, :stack_name],
    :output      => false,
  },
  :delete => {
    :description => 'Delete a specified stack',
    :arguments   => [:stack_name],
    :output      => false,
  },
  :list => {
    :description => 'List summary information for stacks',
    :arguments   => [:stack_name?],
  },
  :export => {
    :description => 'Export a template from a specified stack',
    :arguments   => [:stack_name],
  },
  :'show-events' => {
    :description => 'Show events for a specified stack',
    :arguments   => [:stack_name],
  },
  :'show-outputs' => {
    :description => 'Show outputs for a specified stack',
    :arguments   => [:stack_name],
  },
  :'show-resources' => {
    :description => 'Show resources for a specified stack',
    :arguments   => [:stack_name],
  },
  :diff => {
    :description => 'Compare templates logically (file, http://..., stack://...)',
    :arguments   => [:path_or_url1, :path_or_url2],
  },
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.parse!(&block) ⇒ Object 



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# File 'lib/kumogata/argument_parser.rb', line 66

def parse!(&block)
  self.new.parse!(&block)
end

Instance Method Details

#parse! ⇒ Object

of class methods



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# File 'lib/kumogata/argument_parser.rb', line 71

def parse!
  command = nil
  arguments = nil
  options = {}

  if ENV['KUMOGATA_OPTIONS']
    ARGV.concat(scan_args(ENV['KUMOGATA_OPTIONS']))
  end

  ARGV.options do |opt|
    update_usage(opt)

    begin
      supported_formats = [:ruby, :json, :yaml, :js, :coffee, :json5]
      opt.on('-k', '--access-key ACCESS_KEY')                    {|v| options[:access_key_id]           = v     }
      opt.on('-s', '--secret-key SECRET_KEY')                    {|v| options[:secret_access_key]       = v     }
      opt.on('-r', '--region REGION')                            {|v| options[:region]                  = v     }
      opt.on(''  , '--profile CONFIG_PROFILE')                   {|v| options[:config_profile]          = v     }
      opt.on(''  , '--credentials-path PATH')                    {|v| options[:credentials_path]        = v     }
      opt.on(''  , '--config-path PATH')                         {|v| options[:config_path]             = v     }
      opt.on(''  , '--stack-policy-body PATH')                   {|v| options[:stack_policy_body]       = File.read(v) }
      opt.on(''  , '--stack-policy-url URL')                     {|v| options[:stack_policy_url]        = v     }

      opt.on(''  , '--format TMPLATE_FORMAT', supported_formats) {|v| options[:format]                  = v     }
      opt.on(''  , '--output-format FORMAT', supported_formats)  {|v| options[:output_format]           = v     }
      opt.on(''  , '--skip-replace-underscore')                  {    options[:skip_replace_underscore] = false }
      opt.on(''  , '--deletion-policy-retain')                   {    options[:deletion_policy_retain]  = true  }
      opt.on('-p', '--parameters KEY_VALUES', Array)             {|v| options[:parameters]              = v     }
      opt.on('-j', '--json-parameters JSON')                     {|v| options[:json_parameters]         = v     }
      opt.on('-e', '--encrypt-parameters KEYS', Array)           {|v| options[:encrypt_parameters]      = v     }
      opt.on('',   '--encryption-password PASS')                 {|v| options[:encryption_password]     = v     }
      opt.on('',   '--skip-send-password')                       {    options[:skip_send_password]      = true  }
      opt.on(''  , '--capabilities CAPABILITIES', Array)         {|v| options[:capabilities]            = v     }
      opt.on(''  , '--disable-rollback')                         {    options[:disable_rollback]        = true  }
      opt.on(''  , '--notify SNS_TOPICS', Array)                 {|v| options[:notify]                  = v     }
      opt.on(''  , '--timeout MINUTES', Integer)                 {|v| options[:timeout]                 = v     }
      opt.on(''  , '--result-log PATH')                          {|v| options[:result_log]              = v     }
      opt.on(''  , '--command-result-log PATH')                  {|v| options[:command]                 = v     }
      opt.on(''  , '--detach')                                   {    options[:detach]                  = true  }
      opt.on(''  , '--force')                                    {    options[:force]                   = true  }
      opt.on('-w', '--ignore-all-space')                         {    options[:ignore_all_space]        = true  }
      opt.on(''  , '--color')                                    {    options[:color]                   = true  }
      opt.on(''  , '--no-color')                                 {    options[:color]                   = false }
      opt.on(''  , '--debug')                                    {    options[:debug]                   = true  }
      opt.on('-v', '--verbose')                                  {    options[:verbose]                 = true  }
      opt.parse!

      unless (command = ARGV.shift)
        puts opt.help
        exit 1
      end

      command = command.to_sym

      unless COMMANDS.has_key?(command)
        raise "Unknown command: #{command}"
      end

      arguments = ARGV.dup
      validate_arguments(command, arguments)

      options = DEFAULT_OPTIONS.merge(options)
      options = Hashie::Mash.new(options)

      if block_given?
        yield(opt, command, arguments, options)
      end

      update_parameters(options)
    rescue => e
      $stderr.puts("#{e.message}")
      raise e if options[:debug]
      exit 1
    end
  end

  output = COMMANDS[command].fetch(:output, true)
  command = command.to_s.gsub('-', '_').to_sym

  $kumogata.command = command
  $kumogata.arguments = arguments
  $kumogata.options = options
  options = $kumogata.options # Copy of the reference

  [command, arguments, options, output]
end