Class: EPC::Command::ShowMetricsCommand

Inherits:
BaseCommand show all
Defined in:
lib/epc/command/show_metrics_command.rb

Constant Summary

Constants inherited from BaseCommand

BaseCommand::GIVEUP_TICKS, BaseCommand::SLEEP_TIME, BaseCommand::TICKER_TICKS

Instance Attribute Summary

Attributes inherited from BaseCommand

#client, #klass_name, #object_id, #object_type, #options, #target_id, #target_type

Instance Method Summary collapse

Methods inherited from BaseCommand

#check_options, #context_params, #context_params=, #go, include_module, inherited, #initialize, required_options, #say_err

Methods included from PersistentAttributes

#auth_token, #caller_id, #target_url

Constructor Details

This class inherits a constructor from EPC::Command::BaseCommand

Instance Method Details

#execute(args = []) ⇒ Object 



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# File 'lib/epc/command/show_metrics_command.rb', line 4

def execute(args = [])

  id = args[0]
  metrics = args[1]

  if id.nil?
    say("You must specify the target object id.")
    say(EPC::Help::COMMAND_USAGES[:show_metrics])
    return 1
  end

  if metrics.nil?
    say("You must specify the metrics to display.")
    say(EPC::Help::COMMAND_USAGES[:show_metrics])
    return 1
  end

  path = "#{CGI.escape(id)}/metrics/#{CGI.escape(metrics)}"
  opts = []
  opts << "start=#{CGI.escape(options[:start])}" if options[:start]
  opts << "stop=#{CGI.escape(options[:stop])}" if options[:stop]
  opts << "step=#{CGI.escape(options[:step])}" if options[:step]
  path += "?#{opts.join('&')}" unless opts.empty?
  url = "#{EPC::Config::MONITORED_PATH}/#{path}"

  # todo: why doesn't this auto-follow the redirect?
  status, response, headers = client.get(url)
  unless status == 302
    say("Request failed: [#{response[:message]}]")
    return status
  end

  status, response, headers = http_client.get(headers[:uri])
  unless status.successful?
    say("Request failed: [#{response[:message]}]")
    return status
  end

  response = JSON.parse(response) if response
  say response.inspect

  response.each_pair do |id,v|
    v.each_pair do |metric, details|
      say "#{id} #{metric} start: #{details['start']} stop: #{details['stop']} step: #{details['step']}"
      say(EPC::VerticalBar.new(details['data']).print)
    end
  end if @options[:graph]

  status
end