Module: Whenever::CapistranoSupport

Defined in:
lib/whenever/capistrano/v2/support.rb

Class Method Summary collapse

Class Method Details

.load_into(capistrano_configuration) ⇒ Object 



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# File 'lib/whenever/capistrano/v2/support.rb', line 3

def self.load_into(capistrano_configuration)
  capistrano_configuration.load do

    def whenever_options
      fetch(:whenever_options)
    end

    def whenever_roles
      Array(whenever_options[:roles])
    end

    def whenever_servers
      find_servers(whenever_options)
    end

    def whenever_server_roles
      whenever_servers.inject({}) do |map, server|
        map[server] = role_names_for_host(server) & whenever_roles
        map
      end
    end

    def whenever_prepare_for_rollback args
      if fetch(:previous_release)
        # rollback to the previous release's crontab
        args[:path] = fetch(:previous_release)
      else
        # clear the crontab if no previous release
        args[:path]  = fetch(:release_path)
        args[:flags] = fetch(:whenever_clear_flags)
      end
      args
    end

    def whenever_run_commands(args)
      unless [:command, :path, :flags].all? { |a| args.include?(a) }
        raise ArgumentError, ":command, :path, & :flags are required"
      end

      whenever_server_roles.each do |server, roles|
        roles_arg = roles.empty? ? "" : " --roles #{roles.join(',')}"

        command = "cd #{args[:path]} && #{args[:command]} #{args[:flags]}#{roles_arg}"
        run command, whenever_options.merge(:hosts => server)
      end
    end

  end
end