我想删除一个生产数据库,所以我可以开始新鲜。当我从rails 4升级到rails 5时,它现在可以保护生产数据库免遭意外删除。当我运行rake db:reset
时,它显示以下错误消息。Rails 5如何清除或删除生产postgres数据库
/app# rake db:reset
ActiveRecord::SchemaMigration Load (1.8ms) SELECT "schema_migrations".* FROM "schema_migrations"
(1.6ms) SELECT "ar_internal_metadata"."value" FROM "ar_internal_metadata" WHERE "ar_internal_metadata"."key" = $1 [["key", :environment]]
ActiveRecord::SchemaMigration Load (0.2ms) SELECT "schema_migrations".* FROM "schema_migrations"
(0.3ms) SELECT "ar_internal_metadata"."value" FROM "ar_internal_metadata" WHERE "ar_internal_metadata"."key" = $1 [["key", :environment]]
ActiveRecord::SchemaMigration Load (0.3ms) SELECT "schema_migrations".* FROM "schema_migrations"
(0.2ms) SELECT "ar_internal_metadata"."value" FROM "ar_internal_metadata" WHERE "ar_internal_metadata"."key" = $1 [["key", :environment]]
rake aborted!
ActiveRecord::ProtectedEnvironmentError: You are attempting to run a destructive action against your 'production' database.
If you are sure you want to continue, run the same command with the environment variable:
DISABLE_DATABASE_ENVIRONMENT_CHECK=1
/usr/local/bundle/gems/activerecord-5.0.0.1/lib/active_record/tasks/database_tasks.rb:51:in `check_protected_environments!'
/usr/local/bundle/gems/activerecord-5.0.0.1/lib/active_record/railties/databases.rake:11:in `block (2 levels) in <top (required)>'
/usr/local/bundle/gems/rake-11.3.0/exe/rake:27:in `<top (required)>'
Tasks: TOP => db:reset => db:drop => db:check_protected_environments
(See full trace by running task with --trace)
它说,我加入了环境变量DISABLE_DATABASE_ENVIRONMENT_CHECK = 1到命令应该工作,但事实并非如此。我运行它,它什么都不做。
<606723-x9dh4:/app# DISABLE_DATABASE_ENVIRONMENT_CHECK=1 rake db:reset
ActiveRecord::SchemaMigration Load (1.6ms) SELECT "schema_migrations".* FROM "schema_migrations"
任何人都知道我在做什么错了?感谢帮助!
UPDATE:
我的服务器使用kubernetes部署。我猜测我无法重置数据库,因为服务器正在运行。
后,你可以尝试使用,而不是像耙'RAILS_ENV =生产DISABLE_DATABASE_ENVIRONMENT_CHECK = 1箱/轨道DB导轨:reset' – neydroid
没有吕克k,只是做同样的事情。 –