Class: Central::Cli::Apps::MonitorCommand

Inherits:
Clamp::Command
  • Object
show all
Includes:
Common, Common, StackOptions
Defined in:
lib/central/cli/apps/monitor_command.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Common

#app_json, #create_yml, #current_dir, #extend_env_vars, #extend_options, #extend_secrets, #load_services, #normalize_env_vars, #parse_services, #prefixed_name, #require_config_file, #service_exists?, #token, #valid_addons

Methods included from Services::ServicesHelper

#create_service, #delete_service, #deploy_service, #get_service, #int_to_filesize, #parse_image, #parse_links, #parse_log_opts, #parse_memory, #parse_ports, #parse_relative_time, #parse_secrets, #parse_service_id, #restart_service, #scale_service, #show_service, #start_service, #stop_service, #update_service, #wait_for_deploy_to_finish

Methods included from Common

#access_token=, #add_master, #api_url, #api_url=, #clear_current_stack, #client, #current_master, #current_master=, #current_master_index, #current_stack, #current_stack=, #ensure_custom_ssl_ca, #require_api_url, #require_current_stack, #require_token, #reset_client, #save_settings, #settings, #settings_filename

Methods included from StackOptions

included

Instance Attribute Details

#service_prefix ⇒ Object (readonly)

Returns the value of attribute service_prefix.



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# File 'lib/central/cli/apps/monitor_command.rb', line 14

def service_prefix
  @service_prefix
end

#services ⇒ Object (readonly)

Returns the value of attribute services.



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# File 'lib/central/cli/apps/monitor_command.rb', line 14

def services
  @services
end

Instance Method Details

#clear_terminal ⇒ Object 



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# File 'lib/central/cli/apps/monitor_command.rb', line 89

def clear_terminal
  print "\e[H\e[2J"
end

#color_for_service(service) ⇒ Object 



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# File 'lib/central/cli/apps/monitor_command.rb', line 72

def color_for_service(service)
  color_maps[service] = colors.shift unless color_maps[service]
  color_maps[service].to_sym
end

#color_maps ⇒ Object 



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# File 'lib/central/cli/apps/monitor_command.rb', line 77

def color_maps
  @color_maps ||= {}
end

#colors ⇒ Object 



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# File 'lib/central/cli/apps/monitor_command.rb', line 81

def colors
  if @colors.nil? || @colors.size == 0
    @colors = [:green, :magenta, :yellow, :cyan, :red,
               :light_green, :light_yellow, :ligh_magenta, :light_cyan, :light_red]
  end
  @colors
end

#execute ⇒ Object 



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# File 'lib/central/cli/apps/monitor_command.rb', line 16

def execute
  require_config_file(filename)

  @service_prefix = project_name || current_dir
  @services = load_services(filename, service_list, service_prefix)
  if services.size > 0
    show_monitor(services)
  elsif !service_list.empty?
    puts "No such service: #{service_list.join(', ')}".colorize(:red)
  end
end

#show_monitor(services) ⇒ Object 



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# File 'lib/central/cli/apps/monitor_command.rb', line 28

def show_monitor(services)
  require_api_url
  token = require_token
  loop do
    nodes = {}
    services.each do |name, _data|
      service = prefixed_name(name)
      result = begin
                 client(token).get("services/#{current_stack}/#{service}/containers")
               rescue
                 nil
               end
      next unless result
      services[name]['instances'] = result['containers'].size
      result['containers'].each do |container|
        container['service'] = name
        nodes[container['node']['name']] ||= []
        nodes[container['node']['name']] << container
      end
    end
    clear_terminal
    puts 'services:'
    services.each do |name, data|
      color = color_for_service(name)
      puts "  #{"■".colorize(color)} #{name} (#{data['instances']} instances)"
    end
    puts 'nodes:'
    node_names = nodes.keys.sort
    node_names.each do |name|
      containers = nodes[name]
      puts "  #{name} (#{containers.size} instances)"
      print '  '
      containers.each do |container|
        icon = "■"
        icon = "□" if container['status'] != 'running'
        color = color_for_service(container['service'])
        print icon.colorize(color)
      end
      puts ''
    end
    sleep 1
  end
end