diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index ef02ca8190..a8433fa0db 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -142,7 +142,7 @@ module ActiveRecord end def for_each - databases = Rails.application.config.database_configuration + databases = Rails.application.config.load_database_yaml database_configs = ActiveRecord::DatabaseConfigurations.new(databases).configs_for(env_name: Rails.env) # if this is a single database application we don't want tasks for each primary database diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb index af3ec36064..83a7b6cf01 100644 --- a/railties/lib/rails/application/configuration.rb +++ b/railties/lib/rails/application/configuration.rb @@ -184,6 +184,26 @@ module Rails end end + # Load the database YAML without evaluating ERB. This allows us to + # create the rake tasks for multiple databases without filling in the + # configuration values or loading the environment. Do not use this + # method. + # + # This uses a DummyERB custom compiler so YAML can ignore the ERB + # tags and load the database.yml for the rake tasks. + def load_database_yaml # :nodoc: + if path = paths["config/database"].existent.first + require "rails/application/dummy_erb_compiler" + + yaml = Pathname.new(path) + erb = DummyERB.new(yaml.read) + + YAML.load(erb.result) + else + {} + end + end + # Loads and returns the entire raw configuration of database from # values stored in config/database.yml. def database_configuration diff --git a/railties/lib/rails/application/dummy_erb_compiler.rb b/railties/lib/rails/application/dummy_erb_compiler.rb new file mode 100644 index 0000000000..4e92526969 --- /dev/null +++ b/railties/lib/rails/application/dummy_erb_compiler.rb @@ -0,0 +1,16 @@ +# frozen_string_literal: true + +# These classes are used to strip out the ERB configuration +# values so we can evaluate the database.yml without evaluating +# the ERB values. +class DummyERB < ERB # :nodoc: + def make_compiler(trim_mode) + DummyCompiler.new trim_mode + end +end + +class DummyCompiler < ERB::Compiler # :nodoc: + def compile_content(stag, out) + out.push "_erbout << 'dummy_compiler'" + end +end diff --git a/railties/test/application/rake/dbs_test.rb b/railties/test/application/rake/dbs_test.rb index a8ec1f3663..07d57dea8a 100644 --- a/railties/test/application/rake/dbs_test.rb +++ b/railties/test/application/rake/dbs_test.rb @@ -54,26 +54,17 @@ module ApplicationTests test "db:create and db:drop respect environment setting" do app_file "config/database.yml", <<-YAML development: - database: db/development.sqlite3 + database: <%= Rails.application.config.database %> adapter: sqlite3 YAML app_file "config/environments/development.rb", <<-RUBY Rails.application.configure do - config.read_encrypted_secrets = true + config.database = "db/development.sqlite3" end RUBY - app_file "lib/tasks/check_env.rake", <<-RUBY - Rake::Task["db:create"].enhance do - File.write("tmp/config_value", Rails.application.config.read_encrypted_secrets) - end - RUBY - - db_create_and_drop("db/development.sqlite3", environment_loaded: false) do - assert File.exist?("tmp/config_value") - assert_equal "true", File.read("tmp/config_value") - end + db_create_and_drop("db/development.sqlite3", environment_loaded: false) end def with_database_existing