Load Geo DB only when Geo database config file exist

config/application.rb

@@ -158,8 +158,5 @@ module Gitlab
     config.generators do |g|
       g.factory_girl false
     end
-
-    # This is needed for GitLab Geo
-    config.assets.initialize_on_precompile = false
   end
 end

config/initializers/geo.rb

-if Gitlab::Geo.secondary?
+if File.exist?(Rails.root.join('config/database_geo.yml'))
   Rails.application.configure do
     config.geo_database = config_for(:database_geo)
   end

config/initializers/health_check.rb

@@ -2,9 +2,7 @@ HealthCheck.setup do |config|
   config.standard_checks = %w(database migrations cache)
   config.full_checks = %w(database migrations cache)
 
-  if Gitlab::Geo.secondary?
-    config.add_custom_check('geo') do
-      Gitlab::Geo::HealthCheck.perform_checks
-    end
+  config.add_custom_check('geo') do
+    Gitlab::Geo::HealthCheck.perform_checks
   end
 end

lib/gitlab/geo.rb

@@ -19,7 +19,7 @@ module Gitlab
     end
 
     def self.enabled?
-      self.cache_value(:geo_node_enabled) { self.connected_to_primary_db? && GeoNode.exists? }
+      self.cache_value(:geo_node_enabled) { GeoNode.exists? }
     end
 
     def self.license_allows?
@@ -80,10 +80,5 @@ module Gitlab
       # urlsafe_base64 may return a string of size * 4/3
       SecureRandom.urlsafe_base64(size)[0, size]
     end
-
-    def self.connected_to_primary_db?
-      ActiveRecord::Base.connection.active? &&
-        ActiveRecord::Base.connection.table_exists?(GeoNode.table_name)
-    end
   end
 end