Remove deprecation warning in Gitlab::Geo::DatabaseTasks

[] is deprecated and will be removed from Rails 6.2
use configs_for instead.

ee/lib/gitlab/geo/database_tasks.rb

@@ -132,17 +132,17 @@ module Gitlab
           Gitlab::Geo::DatabaseTasks.with_geo_db do
             should_reconnect = ActiveRecord::Base.connection_pool.active_connection?
             ActiveRecord::Schema.verbose = false
-            ActiveRecord::Tasks::DatabaseTasks.load_schema ActiveRecord::Base.configurations['test'], :ruby, ENV['SCHEMA']
+            ActiveRecord::Tasks::DatabaseTasks.load_schema(ActiveRecord::Base.configurations.configs_for(env_name: 'test').first, :ruby, ENV['SCHEMA'])
           ensure
             if should_reconnect
-              ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[ActiveRecord::Tasks::DatabaseTasks.env])
+              ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).first)
             end
           end
         end
 
         def purge
           Gitlab::Geo::DatabaseTasks.with_geo_db do
-            ActiveRecord::Tasks::DatabaseTasks.purge ActiveRecord::Base.configurations['test']
+            ActiveRecord::Tasks::DatabaseTasks.purge(ActiveRecord::Base.configurations.configs_for(env_name: 'test').first)
           end
         end
       end
@@ -196,7 +196,7 @@ module Gitlab
         ActiveRecord::Base.configurations       = ActiveRecord::Tasks::DatabaseTasks.database_configuration || {}
         ActiveRecord::Migrator.migrations_paths = ActiveRecord::Tasks::DatabaseTasks.migrations_paths
 
-        ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations[ActiveRecord::Tasks::DatabaseTasks.env])
+        ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env).first)
       end
 
       class SeedLoader