Class: VagrantDockerNetworksManager::ActionUp

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-docker-networks-manager/action.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, _env) ⇒ ActionUp

Vagrant middleware entry point that ensures the configured Docker network exists.



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# File 'lib/vagrant-docker-networks-manager/action.rb', line 16

def initialize(app, _env); @app = app; end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-docker-networks-manager/action.rb', line 18

def call(env)
  UiHelpers.setup_i18n!
  cfg  = env[:machine].config.docker_network
  UiHelpers.setup_locale_from_config!(cfg)
  ui   = env[:ui]

  unless Util.docker_available?
    UiHelpers.error(ui, "#{UiHelpers.e(:error)} #{I18n.t('vdnm.errors.docker_unavailable')}")
    return @app.call(env)
  end

  name = cfg.network_name
  mid  = env[:machine].id

  if Util.docker_network_exists?(name)
    if owned_by_this_machine?(name, mid)
      write_marker(env, name, cfg)
      UiHelpers.say(ui, "#{UiHelpers.e(:success)} #{I18n.t('vdnm.messages.network_exists_adopted', name: name)}")
    else
      UiHelpers.say(ui, "#{UiHelpers.e(:info)} #{I18n.t('vdnm.messages.network_exists', name: name)}")
    end
  else
    subnet_label = cfg.network_subnet || "-"

    if cfg.network_subnet && !VagrantDockerNetworksManager::Util.valid_subnet?(cfg.network_subnet)
      UiHelpers.error(ui, "#{UiHelpers.e(:error)} #{I18n.t('vdnm.errors.invalid_subnet')}")
      return @app.call(env)
    end

    if cfg.network_subnet &&
       VagrantDockerNetworksManager::Util.docker_subnet_conflicts?(
         cfg.network_subnet,
         ignore_network: name
       )
      UiHelpers.error(ui, "#{UiHelpers.e(:error)} #{I18n.t('vdnm.errors.subnet_in_use')}")
      return @app.call(env)
    end

    UiHelpers.say(ui,
                  "#{UiHelpers.e(:ongoing)} #{I18n.t('vdnm.log.create_network', name: name, subnet: subnet_label)}")
    builder = NetworkBuilder.new(cfg, machine_id: mid)
    args = builder.build_create_command_args
    if Util.sh!(*args)
      write_marker(env, name, cfg)
      UiHelpers.say(ui, "#{UiHelpers.e(:success)} #{I18n.t('vdnm.log.ok')}")
    else
      rendered = args.shelljoin
      UiHelpers.error(ui, "#{UiHelpers.e(:error)} #{I18n.t('vdnm.messages.create_failed', cmd: rendered)}")
    end
  end

  @app.call(env)
end