Class: CF::App::Scale

Inherits:
Base
  • Object
show all
Defined in:
lib/cf/cli/app/scale.rb

Instance Method Summary collapse

Methods inherited from Base

#app_status, #human_mb, #human_size, #megabytes, #memory_choices, #state_color

Methods included from LoginRequirements

#precondition

Methods inherited from CLI

#add_exception_name_to_msg, #build_client, #check_logged_in, #check_target, client, #client, client=, #client_target, #color_enabled?, #debug?, #default_action, #ensure_config_dir, #err, #execute, #fail, #fail_unknown, #force?, #formatted_exception_output, #help, #help_header, #invalidate_client, #log_error, #log_error_and_dump_crashlog, #name_list, #normalize_targets_info, #one_of, #quiet?, #remove_target_info, #sane_target_url, #save_target_info, #save_targets, #save_token_if_it_changes, #set_target, #table, #target_info, #targets_info, #user_colors, #verbose?, #wrap_errors

Methods included from Spacing

#indented, #justify, #line, #lines, #quiet?, #spaced, #start_line, #tabular, #text_width, #trim_escapes

Methods included from Interactive

#ask, #handler, #input_state, #list_choices, #prompt, #show_default

Instance Method Details

#scaleObject


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# File 'lib/cf/cli/app/scale.rb', line 15

def scale
  app = input[:app]

  if input.has?(:instances)
    instances = input[:instances, app.total_instances]
  end

  if input.has?(:memory)
    memory = input[:memory, app.memory]
  end

  if input.has?(:disk)
    disk = input[:disk, human_mb(app.disk_quota)]
  end

  unless instances || memory || disk
    instances = input[:instances, app.total_instances]
    memory = input[:memory, app.memory]
  end

  app.total_instances = instances if input.has?(:instances)
  app.memory = megabytes(memory) if input.has?(:memory)
  app.disk_quota = megabytes(disk) if input.has?(:disk)

  fail "No changes!" unless app.changed?

  with_progress("Scaling #{c(app.name, :name)}") do
    app.update!
  end

  needs_restart = app.changes.key?(:memory) || app.changes.key?(:disk_quota)

  if needs_restart && app.started? && input[:restart]
    invoke :restart, :app => app
  end
end