Class: VMC::App::Scale

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

Instance Method Summary collapse

Methods inherited from Base

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

Methods inherited from CLI

#check_logged_in, #check_target, #client, client, client=, #client_target, #color_enabled?, #default_action, #ensure_config_dir, #err, #execute, #fail, #force?, #invalidate_client, #log_error, #name_list, #no_v2, #one_of, #precondition, #quiet?, #remove_target_info, #sane_target_url, #save_target_info, #save_targets, #set_target, #table, #target_file, #target_info, #targets_info, #tokens_file, #user_colors, #v2?, #verbose?

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

#scale ⇒ Object 



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# File 'lib/vmc/cli/app/scale.rb', line 22

def scale
  app = input[:app]

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

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

  if input.given?(:plan)
    fail "Plans not supported on target cloud." unless v2?

    plan_name = input[:plan]
    production = !!(plan_name =~ /^p/i)
  end

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

  memory = megabytes(memory) if memory

  instances_changed = instances && instances != app.total_instances
  memory_changed = memory && memory != app.memory
  plan_changed = plan_name && production != app.production

  unless memory_changed || instances_changed || plan_changed
    fail "No changes!"
  end

  with_progress("Scaling #{c(app.name, :name)}") do
    app.total_instances = instances if instances_changed
    app.memory = memory if memory_changed
    app.production = production if plan_changed
    app.update!
  end

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