我正在尝试删除生产数据库,以便可以重新开始。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。

/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)

它说我将环境变量DISABLE_DATABASE_ENVIRONMENT_CHECK = 1添加到命令应该可以,但不能。我运行它,它什么也没做。
<606723-x9dh4:/app# DISABLE_DATABASE_ENVIRONMENT_CHECK=1 rake db:reset
  ActiveRecord::SchemaMigration Load (1.6ms)  SELECT "schema_migrations".* FROM "schema_migrations"

有人知道我在做什么错吗?感谢帮助!

更新:

我的服务器是使用kubernetes部署的。我猜因为服务器正在运行,所以无法重置数据库。

最佳答案

试试这个对我有用的:

RAILS_ENV=production rake db:drop DISABLE_DATABASE_ENVIRONMENT_CHECK=1

在一行中。

关于ruby-on-rails - Rails 5如何清除或删除生产Postgres数据库,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/40775611/

10-12 12:26
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