Class: Fum::Commands::Launch

Inherits:
Fum::Command show all
Includes:
DNS
Defined in:
lib/fum/commands/launch.rb

Instance Method Summary collapse

Methods included from DNS

#dns, #dns_names_equal, #ensure_trailing_dot, #find_records, #update_zone, #update_zones

Methods inherited from Fum::Command

#initialize, #stage

Methods included from Util

#die

Constructor Details

This class inherits a constructor from Fum::Command

Instance Method Details

#execute(options) ⇒ Object 



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# File 'lib/fum/commands/launch.rb', line 21

def execute(options)
  app = @application.main_decl

  stage_name = options[:stage_name]
  stage_decl = stage(@application.main_decl, stage_name)

  if options[:verbose]
    puts "Verifying application '#{app.name}' exists in AWS."
  end

  beanstalk = Fog::AWS[:beanstalk]

  beanstalk_app = beanstalk.applications.get(app.name)

  if beanstalk_app.nil?
    if options[:create]
      beanstalk_app = beanstalk.applications.create(:name => app.name)
      beanstalk.versions.create({
          :application_name => app.name,
          :label => 'Sample'
                                })
    else
      die "Could not find app '#{app.name}' in AWS account."
    end

  end

  env_opt = {
      :application_name => app.name,
      :name => stage_decl.environment_name
  }
  env_opt[:template_name] = stage_decl.template_name unless stage_decl.template_name.nil?
  env_opt[:solution_stack_name] = stage_decl.solution_stack_name unless stage_decl.solution_stack_name.nil?
  env_opt[:description] = stage_decl.env_description unless stage_decl.env_description.nil?

  set_version(stage_decl, env_opt, options)

  if options[:verbose] || options[:noop]
    puts "Launching an environment named '#{stage_decl.environment_name}'"
  end

  begin
    new_env = beanstalk.environments.create(env_opt) unless options[:noop]
  rescue Exception => e
    die "Problem creating environment: #{e.to_s}"
  end

  puts "Launched environment '#{stage_decl.environment_name}'."

  puts "Waiting for environment to become ready..."

  new_env.wait_for { ready? } unless options[:noop]

  puts "New environment is ready."

  puts "Waiting for environment to become healthy..."

  new_env.wait_for { healthy? } unless options[:noop]

  puts "New environment is healthy."

  update_zones(stage_decl, new_env, options) unless options[:no_dns]

end

#parse_options ⇒ Object 



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# File 'lib/fum/commands/launch.rb', line 6

def parse_options
  options = Trollop::options do
    banner "usage launch [options] <environment-id>, where options are:"
    opt :version_label, "Launch the specified version", :long => "version", :type => :string
    opt :create, "Create application if it does not exist"
    opt :no_dns, "Do not change any DNS records", :default => false
    opt :no_wait, "Launch environment, but do not wait for ready", :default => false, :short => 'w'
  end
  if ARGV.empty?
    die "Stage not specified.  Please specify a stage to launch"
  end
  options[:stage_name] = ARGV.shift
  options
end

#set_version(stage_decl, env_opt, options) ⇒ Object 



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# File 'lib/fum/commands/launch.rb', line 86

def set_version(stage_decl, env_opt, options)
  version_label = stage_decl.version_label
  return nil if version_label.nil?

  if version_label.is_a?(String)
    env_opt[:version_label] = version_label
    puts "Using verison label #{version_label}"
  elsif version_label.is_a?(Hash) && version_label.has_key?(:from_stage)
    from_stage = version_label[:from_stage]
    from_stage_decl = stage(@application.main_decl, from_stage)
    analyzer = StageAnalyzer.new(from_stage_decl)
    analyzer.analyze(options)
    active = analyzer.active
    die "Cannot determine version to launch. No active environment for stage '#{from_stage}' specified." if active.nil?
    env_opt[:version_label] = active.version_label
    puts "Using version #{active.version_label} from stage #{from_stage}."
  else
    "Unknown version label #{version_label.inspect}"
  end


end