Module: Kontena

Defined in:
lib/kontena_cli.rb,
lib/kontena/util.rb,
lib/kontena/client.rb,
lib/kontena/errors.rb,
lib/kontena/cli/common.rb,
lib/kontena/cli/config.rb,
lib/kontena/cli/spinner.rb,
lib/kontena/cli/version.rb,
lib/kontena/light_prompt.rb,
lib/kontena/stacks_cache.rb,
lib/kontena/stacks_client.rb,
lib/kontena/machine/common.rb,
lib/kontena/plugin_manager.rb,
lib/kontena/cli/bytes_helper.rb,
lib/kontena/cli/grid_options.rb,
lib/kontena/debug_instrumentor.rb,
lib/kontena/cli/table_generator.rb,
lib/kontena/machine/cert_helper.rb,
lib/kontena/machine/random_name.rb,
lib/kontena/cli/browser_launcher.rb,
lib/kontena/plugin_manager/common.rb,
lib/kontena/plugin_manager/loader.rb,
lib/kontena/plugin_manager/cleaner.rb,
lib/kontena/cli/localhost_web_server.rb,
lib/kontena/plugin_manager/installer.rb,
lib/kontena/cli/master/config_command.rb,
lib/kontena/cli/log_formatters/compact.rb,
lib/kontena/plugin_manager/uninstaller.rb,
lib/kontena/cli/services/services_helper.rb,
lib/kontena/cli/log_formatters/strip_color.rb,
lib/kontena/plugin_manager/rubygems_client.rb,
lib/kontena/machine/cloud_config/node_generator.rb,
lib/kontena/callbacks/master/deploy/90_proptip_after_deploy.rb,
lib/kontena/callbacks/master/deploy/04_default_master_version.rb,
lib/kontena/callbacks/master/deploy/01_show_logo_before_deploy.rb,
lib/kontena/callbacks/master/deploy/70_invite_self_after_deploy.rb,
lib/kontena/callbacks/master/deploy/50_authenticate_after_deploy.rb,
lib/kontena/callbacks/auth/01_list_and_select_grid_after_master_auth.rb,
lib/kontena/callbacks/master/01_clear_current_master_after_terminate.rb,
lib/kontena/callbacks/master/deploy/55_create_initial_grid_after_deploy.rb,
lib/kontena/callbacks/master/deploy/56_set_server_provider_after_deploy.rb,
lib/kontena/callbacks/master/deploy/05_before_deploy_configuration_wizard.rb,
lib/kontena/callbacks/master/deploy/40_install_ssl_certificate_after_deploy.rb,
lib/kontena/callbacks/master/deploy/60_configure_auth_provider_after_deploy.rb

Defined Under Namespace

Modules: Callbacks, Cli, Errors, Machine, PluginManager, Stacks, Util Classes: Callback, Client, Command, DebugInstrumentor, LightPrompt, LocalhostWebServer, MainCommand, StacksCache, StacksClient

Class Method Summary collapse

Class Method Details

.browserless? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kontena_cli.rb', line 102

def self.browserless?
  !!(RUBY_PLATFORM =~ /linux|(?:free|net|open)bsd|solaris|aix|hpux/ && ENV['DISPLAY'].to_s.empty?)
end

.cli_root(*joinables) ⇒ Object 



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# File 'lib/kontena_cli.rb', line 143

def self.cli_root(*joinables)
  if joinables.empty?
    File.join(Kontena.root, 'lib/kontena/cli')
  else
    File.join(Kontena.root, 'lib/kontena/cli', *joinables)
  end
end

.debug? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kontena_cli.rb', line 167

def self.debug?
  !['', 'false'].include?(ENV['DEBUG'].to_s)
end

.home ⇒ Object 



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# File 'lib/kontena_cli.rb', line 82

def self.home
  return @home if @home
  @home = File.join(Dir.home, '.krates')
  Dir.mkdir(@home, 0700) unless File.directory?(@home)
  @home
end

.log_target ⇒ Object 



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# File 'lib/kontena_cli.rb', line 66

def self.log_target
  return @log_target if @log_target

  @log_target = ENV['LOG_TARGET']

  if debug?
    @log_target ||= $stderr
  elsif @log_target.nil?
    @log_target = File.join(home, 'krates.log')
  end
end

.logger ⇒ Object 



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# File 'lib/kontena_cli.rb', line 151

def self.logger
  return @logger if @logger
  if log_target.respond_to?(:tty?) && log_target.tty?
    logger = Logger.new(log_target)
    require 'kontena/cli/log_formatters/compact'
    logger.formatter = Kontena::Cli::LogFormatter::Compact.new
  else
    logger = Logger.new(log_target, 1, 1_048_576)
    require 'kontena/cli/log_formatters/strip_color'
    logger.formatter = Kontena::Cli::LogFormatter::StripColor.new
  end
  logger.level = debug? ? Logger::DEBUG : Logger::INFO
  logger.progname = 'CLI'
  @logger = logger
end

.minor_version ⇒ String

Returns x.y.

Returns:



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# File 'lib/kontena_cli.rb', line 90

def self.minor_version
  Kontena::Cli::VERSION.split('.')[0..1].join('.')
end

.on_windows? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kontena_cli.rb', line 98

def self.on_windows?
  ENV['OS'] == 'Windows_NT' && RUBY_PLATFORM !~ /cygwin/
end

.pastel ⇒ Object 



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# File 'lib/kontena_cli.rb', line 110

def self.pastel
  return @pastel if @pastel
  require 'pastel'
  @pastel = Pastel.new(enabled: !simple_terminal?)
end

.prompt ⇒ Object 



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# File 'lib/kontena_cli.rb', line 116

def self.prompt
  return @prompt if @prompt
  if simple_terminal?
    require_relative 'kontena/light_prompt'
    klass = Kontena::LightPrompt
  else
    require 'tty-prompt'
    klass = TTY::Prompt
  end

  @prompt = klass.new(
    active_color: :cyan,
    help_color: :white,
    error_color: :red,
    interrupt: :exit,
    prefix: pastel.green('> ')
  )
end

.reset_logger ⇒ Object 



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# File 'lib/kontena_cli.rb', line 78

def self.reset_logger
  @log_target, @logger = nil
end

.reset_prompt ⇒ Object 



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# File 'lib/kontena_cli.rb', line 135

def self.reset_prompt
  @prompt = nil
end

.root ⇒ Object 



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# File 'lib/kontena_cli.rb', line 139

def self.root
  File.dirname(__dir__)
end

.run(*cmdline) ⇒ TrueClass, FalseClass

Run a kontena command and return true if the command did not raise or exit with a non-zero exit code. Raises nothing.

Parameters:

Returns:

  • (TrueClass, FalseClass) —

    success



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# File 'lib/kontena_cli.rb', line 57

def self.run(*cmdline)
  result = run!(*cmdline)
  result.nil? ? true : result
rescue SystemExit => ex
  ex.status.zero?
rescue
  false
end

.run!(*cmdline) ⇒ Object

Run a kontena command like it was launched from the command line. Re-raises any exceptions, except a SystemExit with status 0, which is considered a success.

Parameters:

Returns:

  • command result or nil



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# File 'lib/kontena_cli.rb', line 32

def self.run!(*cmdline)
  if cmdline.first.kind_of?(Array)
    command = cmdline.first
  elsif cmdline.size == 1 && cmdline.first.include?(' ')
    command = cmdline.first.shellsplit
  else
    command = cmdline
  end
  logger.debug { "Running Kontena.run(#{command.inspect})" }
  result = Kontena::MainCommand.new(File.basename(__FILE__)).run(command)
  logger.debug { "Command completed, result: #{result.inspect} status: 0" }
  result
rescue SystemExit => ex
  logger.debug { "Command caused SystemExit, status: #{ex.status}" }
  return true if ex.status.zero?
  raise ex
rescue => ex
  logger.error { "Command #{cmdline.inspect} exception" }
  logger.error { ex }
  raise ex
end

.simple_terminal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kontena_cli.rb', line 106

def self.simple_terminal?
  ENV['KONTENA_SIMPLE_TERM'] || !$stdout.tty?
end

.version ⇒ Object 



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# File 'lib/kontena_cli.rb', line 94

def self.version
  "krates/#{Kontena::Cli::VERSION}"
end