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 



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# File 'lib/hotdog/application.rb', line 15

def initialize()
  @logger = Logger.new(STDERR).tap { |logger|
    logger.level = Logger::INFO
  }
  @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: 3600,
    fixed_string: false,
    force: false,
    format: "plain",
    headers: false,
    listing: false,
    logger: @logger,
    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

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/hotdog/application.rb', line 46

def logger
  @logger
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/hotdog/application.rb', line 47

def options
  @options
end

#optparse ⇒ Object (readonly)

Returns the value of attribute optparse.



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# File 'lib/hotdog/application.rb', line 48

def optparse
  @optparse
end

Instance Method Details

#api_key ⇒ Object 



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# File 'lib/hotdog/application.rb', line 108

def api_key()
  if options[:api_key]
    options[:api_key]
  else
    update_api_key!
    if options[:api_key]
      options[:api_key]
    else
      raise("DATADOG_API_KEY is not set")
    end
  end
end

#application_key ⇒ Object 



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# File 'lib/hotdog/application.rb', line 121

def application_key()
  if options[:application_key]
    options[:application_key]
  else
    update_application_key!
    if options[:application_key]
      options[:application_key]
    else
      raise("DATADOG_APPLICATION_KEY is not set")
    end
  end
end

#main(argv = []) ⇒ Object 



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# File 'lib/hotdog/application.rb', line 50

def main(argv=[])
  config = File.join(options[:confdir], "config.yml")
  if File.file?(config)
    loaded = YAML.load(ERB.new(File.read(config)).result)
    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

    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 Interrupt
    STDERR.puts("Interrupt")
  rescue Errno::EPIPE => error
    STDERR.puts(error)
  rescue => error
    STDERR.puts("#{error.class}: #{error} at #{caller.first}")
    if @options[:debug]
      raise # to show error stacktrace
    else
      exit(1)
    end
  end
end