+
+ def ping
+ act_as_system_user do
+ @object = Node.where(uuid: (params[:id] || params[:uuid])).first
+ if !@object
+ return render_not_found
+ end
+ ping_data = {
+ ip: params[:local_ipv4] || request.remote_ip,
+ ec2_instance_id: params[:instance_id]
+ }
+ [:ping_secret, :total_cpu_cores, :total_ram_mb, :total_scratch_mb]
+ .each do |key|
+ ping_data[key] = params[key] if params[key]
+ end
+ @object.ping(ping_data)
+ if @object.info['ping_secret'] == params[:ping_secret]
+ send_json @object.as_api_response(:superuser)
+ else
+ raise "Invalid ping_secret after ping"
+ end
+ end
+ end
+
+ def find_objects_for_index
+ if !current_user.andand.is_admin && current_user.andand.is_active
+ # active non-admin users can list nodes that are (or were
+ # recently) working
+ @objects = model_class.where('last_ping_at >= ?', db_current_time - 1.hours)
+ end
+ super
+ if @select.nil? or @select.include? 'job_uuid'
+ job_uuids = @objects.map { |n| n[:job_uuid] }.compact
+ assoc_jobs = readable_job_uuids(job_uuids)
+ @objects.each do |node|
+ node.job_readable = assoc_jobs.include?(node[:job_uuid])
+ end
+ end
+ end
+
+ protected
+
+ def readable_job_uuids(uuids)
+ Job.readable_by(*@read_users).select(:uuid).where(uuid: uuids).map(&:uuid)
+ end