Class: Metriksd::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/metriksd/cli.rb

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/metriksd/cli.rb', line 6

def initialize(argv)
  @argv = argv.dup
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/metriksd/cli.rb', line 10

def parse
  config_file = nil

  opts = OptionParser.new do |opts|
    opts.banner = "Usage: #{File.basename($0)} [options]"

    opts.on("-c", "--config FILE", "Read configuration file") do |v|
      config_file = v
    end

    opts.separator ""
    opts.separator "Common options:"

    opts.on_tail("-h", "--help", "Show this message") do
      puts opts
      exit(1)
    end

    opts.on_tail("--version", "Show version") do
      puts Metriksd::VERSION
      exit(0)
    end
  end

  rest = opts.parse(@argv)

  unless config_file
    puts "Error: config file must be specified\n\n"
    puts opts
    exit(1)
  end

  config = Metriksd::Config.new
  config.load_file(config_file)
  config.start
  config.join
rescue Interrupt
  exit(0)
ensure
  if config
    config.stop
    config.join
  end
end