Add editAdminUrl to Runner GraphQL API

This change adds a "edit_admin_url" field to the Runner entity in
GraphQL to contain an edit runner page URL.

Changelog: added

app/graphql/types/ci/runner_type.rb

@@ -56,6 +56,8 @@ module Types
             description: "Number of jobs processed by the runner (limited to #{JOB_COUNT_LIMIT}, plus one to indicate that more items exist)."
       field :admin_url, GraphQL::Types::String, null: true,
             description: 'Admin URL of the runner. Only available for administrators.'
+      field :edit_admin_url, GraphQL::Types::String, null: true,
+            description: 'Admin form URL of the runner. Only available for administrators.'
       field :executor_name, GraphQL::Types::String, null: true,
             description: 'Executor last advertised by the runner.',
             method: :executor_name,
@@ -70,6 +72,10 @@ module Types
         Gitlab::Routing.url_helpers.admin_runner_url(runner) if can_admin_runners?
       end
 
+      def edit_admin_url
+        Gitlab::Routing.url_helpers.edit_admin_runner_url(runner) if can_admin_runners?
+      end
+
       # rubocop: disable CodeReuse/ActiveRecord
       def project_count
         BatchLoader::GraphQL.for(runner.id).batch(key: :runner_project_count) do |ids, loader, args|

doc/api/graphql/reference/index.md

@@ -8914,6 +8914,7 @@ Represents the total number of issues and their weights for a particular day.
 | <a id="cirunnercontactedat"></a>`contactedAt` | [`Time`](#time) | Timestamp of last contact from this runner. |
 | <a id="cirunnercreatedat"></a>`createdAt` | [`Time`](#time) | Timestamp of creation of this runner. |
 | <a id="cirunnerdescription"></a>`description` | [`String`](#string) | Description of the runner. |
+| <a id="cirunnereditadminurl"></a>`editAdminUrl` | [`String`](#string) | Admin form URL of the runner. Only available for administrators. |
 | <a id="cirunnerexecutorname"></a>`executorName` | [`String`](#string) | Executor last advertised by the runner. Available only when feature flag `graphql_ci_runner_executor` is enabled. This flag is disabled by default, because the feature is experimental and is subject to change without notice. |
 | <a id="cirunnerid"></a>`id` | [`CiRunnerID!`](#cirunnerid) | ID of the runner. |
 | <a id="cirunneripaddress"></a>`ipAddress` | [`String`](#string) | IP address of the runner. |

spec/graphql/types/ci/runner_type_spec.rb

@@ -11,7 +11,7 @@ RSpec.describe GitlabSchema.types['CiRunner'] do
     expected_fields = %w[
       id description created_at contacted_at maximum_timeout access_level active status
       version short_sha revision locked run_untagged ip_address runner_type tag_list
-      project_count job_count admin_url user_permissions executor_name
+      project_count job_count admin_url edit_admin_url user_permissions executor_name
     ]
 
     expect(described_class).to include_graphql_fields(*expected_fields)