Class: Kdep::Dashboard

Inherits:
Object
  • Object
show all
Defined in:
lib/kdep/dashboard.rb,
lib/kdep/dashboard/panel.rb,
lib/kdep/dashboard/layout.rb,
lib/kdep/dashboard/screen.rb,
lib/kdep/dashboard/log_panel.rb,
lib/kdep/dashboard/health_panel.rb,
lib/kdep/dashboard/rollout_panel.rb,
lib/kdep/dashboard/resources_panel.rb

Defined Under Namespace

Modules: Screen Classes: HealthPanel, Layout, LogPanel, Panel, Rect, ResourcesPanel, RolloutPanel

Constant Summary collapse

PANEL_ORDER = 
[:rollout, :logs, :resources, :health].freeze
PANEL_NAMES = 
{ rollout: "Rollout", logs: "Logs", resources: "Resources", health: "Health" }.freeze
REFRESH_INTERVAL = 
0.25

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Dashboard

Returns a new instance of Dashboard.



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# File 'lib/kdep/dashboard.rb', line 17

def initialize(config)
  @config = config
  @name = config["name"]
  @namespace = config["namespace"] || "default"
  @deployment_name = config["deployment_name"] || @name
  @panels = {}
  @active_panel = :rollout
  @quit = false
  @running = false
  @threads = []
  @ios = []
  @mutex = Mutex.new
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/kdep/dashboard.rb', line 31

def run
  unless $stdout.tty?
    puts "Dashboard skipped: not a TTY"
    return
  end

  rows, cols = IO.console.winsize
  return if init_panels(rows, cols).nil?

  $stdout.print Screen.enter_sequence
  $stdout.flush
  @running = true
  @quit = false

  setup_signal_handlers
  start_log_thread
  start_rollout_thread
  start_metrics_thread

  begin
    $stdin.raw do |raw_stdin|
      until @quit
        if IO.select([raw_stdin], nil, nil, 0)
          key = raw_stdin.getc
          handle_key(key) if key
        end
        break if @quit
        render_all_panels($stdout, rows, cols)
        sleep REFRESH_INTERVAL
      end
    end
  ensure
    stop_data_threads
    $stdout.print Screen.exit_sequence
    $stdout.flush
  end
end