Use ChronicDurationAttribute to handle CI/CD timeout setting

app/controllers/projects/pipelines_settings_controller.rb

@@ -36,7 +36,7 @@ class Projects::PipelinesSettingsController < Projects::ApplicationController
   def update_params
     params.require(:project).permit(
       :runners_token, :builds_enabled, :build_allow_git_fetch,
-      :build_timeout_in_minutes, :build_coverage_regex, :public_builds,
+      :build_timeout_human_readable, :build_coverage_regex, :public_builds,
       :auto_cancel_pending_pipelines, :ci_config_path,
       auto_devops_attributes: [:id, :domain, :enabled]
     )

app/controllers/projects_controller.rb

@@ -324,7 +324,7 @@ class ProjectsController < Projects::ApplicationController
       :avatar,
       :build_allow_git_fetch,
       :build_coverage_regex,
-      :build_timeout_in_minutes,
+      :build_timeout_human_readable,
       :resolve_outdated_diff_discussions,
       :container_registry_enabled,
       :default_branch,

app/models/project.rb

@@ -21,6 +21,7 @@ class Project < ActiveRecord::Base
   include Gitlab::SQL::Pattern
   include DeploymentPlatform
   include ::Gitlab::Utils::StrongMemoize
+  include ChronicDurationAttribute
 
   extend Gitlab::ConfigHelper
 
@@ -325,6 +326,12 @@ class Project < ActiveRecord::Base
 
   enum auto_cancel_pending_pipelines: { disabled: 0, enabled: 1 }
 
+  chronic_duration_attr :build_timeout_human_readable, :build_timeout
+
+  validates :build_timeout, allow_nil: true,
+                            numericality: { greater_than_or_equal_to: 600,
+                                            message: 'needs to be at least 10 minutes' }
+
   # Returns a collection of projects that is either public or visible to the
   # logged in user.
   def self.public_or_visible_to_user(user = nil)
@@ -1299,14 +1306,6 @@ class Project < ActiveRecord::Base
     self.runners_token && ActiveSupport::SecurityUtils.variable_size_secure_compare(token, self.runners_token)
   end
 
-  def build_timeout_in_minutes
-    build_timeout / 60
-  end
-
-  def build_timeout_in_minutes=(value)
-    self.build_timeout = value.to_i * 60
-  end
-
   def open_issues_count
     Projects::OpenIssuesCountService.new(self).count
   end

app/views/projects/pipelines_settings/_show.html.haml

@@ -73,10 +73,10 @@
 
         %hr
         .form-group
-          = f.label :build_timeout_in_minutes, 'Timeout', class: 'label-light'
-          = f.number_field :build_timeout_in_minutes, class: 'form-control', min: '0'
+          = f.label :build_timeout_human_readable, 'Timeout', class: 'label-light'
+          = f.text_field :build_timeout_human_readable, class: 'form-control'
           %p.help-block
-            Per job in minutes. If a job passes this threshold, it will be marked as failed
+            Per job. If a job passes this threshold, it will be marked as failed
             = link_to icon('question-circle'), help_page_path('user/project/pipelines/settings', anchor: 'timeout'), target: '_blank'
 
         %hr