Class: Hotdog::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/hotdog/application.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Application

Returns a new instance of Application.



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# File 'lib/hotdog/application.rb', line 12

def initialize()
  @optparse = OptionParser.new
  @optparse.version = Hotdog::VERSION
  @options = {
    endpoint: ENV.fetch("DATADOG_HOST", "https://app.datadoghq.com"),
    api_key: ENV["DATADOG_API_KEY"],
    application_key: ENV["DATADOG_APPLICATION_KEY"],
    application: self,
    confdir: find_confdir(File.expand_path(".")),
    debug: false,
    expiry: 1800,
    fixed_string: false,
    force: false,
    format: "plain",
    headers: false,
    listing: false,
    logger: Logger.new(STDERR).tap { |logger|
      logger.level = Logger::INFO
    },
    max_time: 5,
    offline: false,
    print0: false,
    print1: true,
    primary_tag: nil,
    tags: [],
    display_search_tags: false,
    verbose: false,
  }
  define_options
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/hotdog/application.rb', line 42

def options
  @options
end

#optparse ⇒ Object (readonly)

Returns the value of attribute optparse.



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# File 'lib/hotdog/application.rb', line 43

def optparse
  @optparse
end

Instance Method Details

#main(argv = []) ⇒ Object 



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# File 'lib/hotdog/application.rb', line 45

def main(argv=[])
  config = File.join(options[:confdir], "config.yml")
  if File.file?(config)
    loaded = YAML.load(File.read(config))
    if Hash === loaded
      @options = @options.merge(Hash[loaded.map { |key, value| [Symbol === key ? key : key.to_s.to_sym, value] }])
    end
  end
  args = @optparse.order(argv)

  begin
    command_name = ( args.shift || "help" )
    begin
      command = get_command(command_name)
    rescue NameError
      STDERR.puts("hotdog: '#{command_name}' is not a hotdog command.")
      get_command("help").run(["commands"], options)
      exit(1)
    end

    @optparse.banner = "Usage: hotdog #{command_name} [options]"
    command.define_options(@optparse, @options)

    begin
      args = command.parse_options(@optparse, args)
    rescue OptionParser::ParseError => error
      STDERR.puts("hotdog: #{error.message}")
      command.parse_options(@optparse, ["--help"])
      exit(1)
    end

    unless options[:api_key]
      raise("DATADOG_API_KEY is not set")
    end

    unless options[:application_key]
      raise("DATADOG_APPLICATION_KEY is not set")
    end

    if options[:format] == "ltsv"
      options[:headers] = true
    end

    options[:formatter] = get_formatter(options[:format])

    if options[:debug] or options[:verbose]
      options[:logger].level = Logger::DEBUG
    else
      options[:logger].level = Logger::INFO
    end

    command.run(args, @options)
  rescue Errno::EPIPE => error
    STDERR.puts(error)
  end
end