services/api/app/controllers/arvados/v1/nodes_controller.rb

   1 class Arvados::V1::NodesController < ApplicationController
   2   skip_before_filter :require_auth_scope, :only => :ping
   3   skip_before_filter :find_object_by_uuid, :only => :ping
   4   skip_before_filter :render_404_if_no_object, :only => :ping
   5
   6   include DbCurrentTime
   7
   8   def update
   9     if resource_attrs[:job_uuid].is_a? String
  10       @object.job_readable = readable_job_uuids([resource_attrs[:job_uuid]]).any?
  11     end
  12     super
  13   end
  14
  15   def self._ping_requires_parameters
  16     { ping_secret: {required: true} }
  17   end
  18
  19   def ping
  20     act_as_system_user do
  21       @object = Node.where(uuid: (params[:id] || params[:uuid])).first
  22       if !@object
  23         return render_not_found
  24       end
  25       ping_data = {
  26         ip: params[:local_ipv4] || request.remote_ip,
  27         ec2_instance_id: params[:instance_id]
  28       }
  29       [:ping_secret, :total_cpu_cores, :total_ram_mb, :total_scratch_mb]
  30         .each do |key|
  31         ping_data[key] = params[key] if params[key]
  32       end
  33       @object.ping(ping_data)
  34       if @object.info['ping_secret'] == params[:ping_secret]
  35         send_json @object.as_api_response(:superuser)
  36       else
  37         raise "Invalid ping_secret after ping"
  38       end
  39     end
  40   end
  41
  42   def find_objects_for_index
  43     if !current_user.andand.is_admin && current_user.andand.is_active
  44       # active non-admin users can list nodes that are (or were
  45       # recently) working
  46       @objects = model_class.where('last_ping_at >= ?', db_current_time - 1.hours)
  47     end
  48     super
  49     if @select.nil? or @select.include? 'job_uuid'
  50       job_uuids = @objects.map { |n| n[:job_uuid] }.compact
  51       assoc_jobs = readable_job_uuids(job_uuids)
  52       @objects.each do |node|
  53         node.job_readable = assoc_jobs.include?(node[:job_uuid])
  54       end
  55     end
  56   end
  57
  58   protected
  59
  60   def readable_job_uuids(uuids)
  61     Job.readable_by(*@read_users).select(:uuid).where(uuid: uuids).map(&:uuid)
  62   end
  63 end