1 files changed, 0 insertions, 86 deletions
diff --git a/lib/backup/database_model.rb b/lib/backup/database_model.rb
deleted file mode 100644
index 228a7fa5383..00000000000
--- a/lib/backup/database_model.rb
+++ /dev/null
@@ -1,86 +0,0 @@
-# frozen_string_literal: true
-
-module Backup
-  class DatabaseModel
-    SUPPORTED_OVERRIDES = {
-      username: 'PGUSER',
-      host: 'PGHOST',
-      port: 'PGPORT',
-      password: 'PGPASSWORD',
-      # SSL
-      sslmode: 'PGSSLMODE',
-      sslkey: 'PGSSLKEY',
-      sslcert: 'PGSSLCERT',
-      sslrootcert: 'PGSSLROOTCERT',
-      sslcrl: 'PGSSLCRL',
-      sslcompression: 'PGSSLCOMPRESSION'
-    }.freeze
-
-    OVERRIDE_PREFIXES = %w[GITLAB_BACKUP_ GITLAB_OVERRIDE_].freeze
-
-    attr_reader :config
-
-    def initialize(name)
-      configure_model(name)
-    end
-
-    def connection
-      @model.connection
-    end
-
-    private
-
-    def configure_model(name)
-      source_model = Gitlab::Database.database_base_models_with_gitlab_shared[name] ||
-        Gitlab::Database.database_base_models_with_gitlab_shared['main']
-
-      @model = backup_model_for(name)
-
-      original_config = source_model.connection_db_config.configuration_hash.dup
-
-      @config = config_for_backup(name, original_config)
-
-      @model.establish_connection(
-        ActiveRecord::DatabaseConfigurations::HashConfig.new(
-          source_model.connection_db_config.env_name,
-          name.to_s,
-          original_config.merge(@config[:activerecord])
-        )
-      )
-
-      Gitlab::Database::LoadBalancing::Setup.new(@model).setup
-    end
-
-    def backup_model_for(name)
-      klass_name = name.camelize
-
-      return "#{self.class.name}::#{klass_name}".constantize if self.class.const_defined?(klass_name.to_sym, false)
-
-      self.class.const_set(klass_name, Class.new(ApplicationRecord))
-    end
-
-    def config_for_backup(name, config)
-      db_config = {
-        activerecord: config,
-        pg_env: {}
-      }
-      SUPPORTED_OVERRIDES.each do |opt, arg|
-        # This enables the use of different PostgreSQL settings in
-        # case PgBouncer is used. PgBouncer clears the search path,
-        # which wreaks havoc on Rails if connections are reused.
-        OVERRIDE_PREFIXES.each do |override_prefix|
-          override_all = "#{override_prefix}#{arg}"
-          override_db = "#{override_prefix}#{name.upcase}_#{arg}"
-          val = ENV[override_db].presence || ENV[override_all].presence || config[opt].to_s.presence
-
-          next unless val
-
-          db_config[:pg_env][arg] = val
-          db_config[:activerecord][opt] = val
-        end
-      end
-
-      db_config
-    end
-  end
-end