Add minutes cost factor to Runner GraphQL type

app/graphql/types/ci/runner_type.rb

@@ -40,3 +40,5 @@ module Types
     end
   end
 end
+
+Types::Ci::RunnerType.prepend_mod_with('Types::Ci::RunnerType')

doc/api/graphql/reference/index.md

@@ -7544,6 +7544,8 @@ Represents the total number of issues and their weights for a particular day.
 | <a id="cirunneripaddress"></a>`ipAddress` | [`String!`](#string) | IP address of the runner. |
 | <a id="cirunnerlocked"></a>`locked` | [`Boolean`](#boolean) | Indicates the runner is locked. |
 | <a id="cirunnermaximumtimeout"></a>`maximumTimeout` | [`Int`](#int) | Maximum timeout (in seconds) for jobs processed by the runner. |
+| <a id="cirunnerprivateprojectsminutescostfactor"></a>`privateProjectsMinutesCostFactor` | [`Float`](#float) | Private projects' "minutes cost factor" associated with the runner (GitLab.com only). |
+| <a id="cirunnerpublicprojectsminutescostfactor"></a>`publicProjectsMinutesCostFactor` | [`Float`](#float) | Public projects' "minutes cost factor" associated with the runner (GitLab.com only). |
 | <a id="cirunnerrevision"></a>`revision` | [`String!`](#string) | Revision of the runner. |
 | <a id="cirunnerrununtagged"></a>`runUntagged` | [`Boolean!`](#boolean) | Indicates the runner is able to run untagged jobs. |
 | <a id="cirunnerrunnertype"></a>`runnerType` | [`CiRunnerType!`](#cirunnertype) | Type of the runner. |

ee/app/graphql/ee/types/ci/runner_type.rb

+# frozen_string_literal: true
+
+module EE
+  module Types
+    module Ci
+      module RunnerType
+        extend ActiveSupport::Concern
+
+        prepended do
+          field :public_projects_minutes_cost_factor, GraphQL::FLOAT_TYPE, null: true,
+                description: 'Public projects\' "minutes cost factor" associated with the runner (GitLab.com only).'
+          field :private_projects_minutes_cost_factor, GraphQL::FLOAT_TYPE, null: true,
+                description: 'Private projects\' "minutes cost factor" associated with the runner (GitLab.com only).'
+        end
+      end
+    end
+  end
+end

ee/spec/graphql/types/ci/runner_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe GitlabSchema.types['CiRunner'] do
+  it { expect(described_class.graphql_name).to eq('CiRunner') }
+
+  it 'includes the ee specific fields' do
+    expected_fields = %w[public_projects_minutes_cost_factor private_projects_minutes_cost_factor]
+
+    expect(described_class).to include_graphql_fields(*expected_fields)
+  end
+end

spec/graphql/types/ci/runner_type_spec.rb

@@ -2,15 +2,17 @@
 
 require 'spec_helper'
 
-RSpec.describe Types::Ci::RunnerType do
+RSpec.describe GitlabSchema.types['CiRunner'] do
   specify { expect(described_class.graphql_name).to eq('CiRunner') }
 
+  specify { expect(described_class).to require_graphql_authorizations(:read_runner) }
+
   it 'contains attributes related to a runner' do
     expected_fields = %w[
       id description contacted_at maximum_timeout access_level active status
       version short_sha revision locked run_untagged ip_address runner_type tag_list
     ]
 
-    expect(described_class).to have_graphql_fields(*expected_fields)
+    expect(described_class).to include_graphql_fields(*expected_fields)
   end
 end