Class: Kontena::Cli::Stacks::ListCommand

Inherits:
Kontena::Command show all
Includes:
Common, GridOptions, Common
Defined in:
lib/kontena/cli/stacks/list_command.rb

Instance Attribute Summary

Attributes inherited from Kontena::Command

#arguments, #exit_code, #result

Instance Method Summary collapse

Methods included from Common

#abort_on_validation_errors, #current_dir, #display_notifications, #generate_services, #hint_on_validation_notifications, #require_config_file, #set_env_variables, #stack_from_yaml, #stack_name, #stacks_client

Methods included from Kontena::Cli::Services::ServicesHelper

#create_service, #delete_service, #deploy_service, #get_service, #health_status, #health_status_icon, #int_to_filesize, #parse_build_args, #parse_container_name, #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, #show_service_instances, #start_service, #stop_service, #update_service, #wait_for_deploy_to_finish

Methods included from Common

#access_token=, #add_master, #any_key_to_continue, #any_key_to_continue_with_timeout, #api_url, #api_url=, #api_url_version, #ask, #clear_current_grid, #client, #cloud_auth?, #cloud_client, #config, #confirm, #confirm_command, #current_account, #current_grid, #current_grid=, #current_master, #current_master=, #current_master_index, #display_account_login_info, #display_login_info, #display_logo, #display_master_login_info, #error, #exit_with_error, #kontena_account, #logger, #pastel, #print, #prompt, #puts, #require_api_url, #require_current_account, #require_current_grid, #require_current_master, #require_token, #reset_client, #reset_cloud_client, #running_silent?, #running_verbose?, #settings, #settings_filename, #spinner, #sprint, #sputs, #use_refresh_token, #vfakespinner, #vputs, #vspinner, #warning, #yes?

Methods included from GridOptions

included

Methods inherited from Kontena::Command

banner, callback_matcher, #help_requested?, inherited, requires_current_account_token, requires_current_account_token?, requires_current_grid, requires_current_grid?, requires_current_master, requires_current_master?, requires_current_master_token, requires_current_master_token?, #run, #run_callbacks, #verify_current_account_token, #verify_current_grid, #verify_current_master, #verify_current_master_token

Instance Method Details

#execute ⇒ Object 



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# File 'lib/kontena/cli/stacks/list_command.rb', line 14

def execute
  list_stacks
end

#list_stacks ⇒ Object 



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# File 'lib/kontena/cli/stacks/list_command.rb', line 18

def list_stacks
  response = client.get("grids/#{current_grid}/stacks")

  titles = ['NAME', 'VERSION', 'SERVICES', 'STATE', 'EXPOSED PORTS']
  puts "%-60s %-10s %-10s %-10s %-50s" % titles

  response['stacks'].each do |stack|
    ports = stack_ports(stack)
    health = stack_health(stack)
    if health == :unhealthy
      icon = '⊗'.freeze
      color = :red
    elsif health == :partial
      icon = '⊙'.freeze
      color = :yellow
    elsif health == :healthy
      icon = '⊛'.freeze
      color = :green
    else
      icon = '⊝'.freeze
      color = :dim
    end

    vars = [
      icon.colorize(color),
      "#{stack['name']}",
      "#{stack['version']}",
      stack['services'].size,
      stack['state'],
      ports.join(",")
    ]

    puts "%s %-58s %-10s %-10s %-10s %-50s" % vars
  end
end

#stack_health(stack) ⇒ Symbol

Parameters:

  • stack (Hash)

Returns:

  • (Symbol) 


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# File 'lib/kontena/cli/stacks/list_command.rb', line 70

def stack_health(stack)
  services_count = stack['services'].size
  return :unknown if services_count == 0

  fully_healthy_count = 0
  partial_healthy_count = 0
  unhealthy_count = 0
  unknown_count = 0
  stack['services'].each { |s|
    total = s.dig('health_status', 'total').to_i
    healthy = s.dig('health_status', 'healthy').to_i
    if total > 0 && healthy == total
      fully_healthy_count += 1
    elsif healthy < total && healthy > 0
      partial_healthy_count += 1
    elsif healthy == 0 && total > 0
      unhealthy_count += 1
    else
      unknown_count += 1
    end
  }
  return :partial if partial_healthy_count > 0
  return :partial if unhealthy_count > 0 && fully_healthy_count > 0
  return :unhealthy if unhealthy_count == services_count
  return :healthy if fully_healthy_count == services_count
  return :healthy if fully_healthy_count > 0 && unknown_count > 0

  :unknown
end

#stack_ports(stack) ⇒ Array<String>

Parameters:

  • stack (Hash)

Returns:



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# File 'lib/kontena/cli/stacks/list_command.rb', line 56

def stack_ports(stack)
  ports = []
  stack['services'].each{|s|
    service_ports = s['ports'].map{|p|
      p['ip'] = '*' if p['ip'] == '0.0.0.0'
      "#{p['ip']}:#{p['node_port']}->#{p['container_port']}/#{p['protocol']}"
    }
    ports = ports + service_ports unless service_ports.empty?
  }
  ports
end