问题描述
我正在使用每当 gem 设置一个 cron 作业,每周备份一次 Rails 应用程序的数据库。它在开发中运行良好,但在生产中却失败了:
rake aborted!
ArgumentError: Missing `secret_key_base` for 'production' environment,set this string with `rails credentials:edit`
错误是“缺少 secret_key_base”,但我已经在 .rbenv-vars 文件中设置了生产环境变量,否则应用程序运行良好。
这是导致上述错误的任何时候生成的 cron 作业(出于测试目的,它设置为每分钟)
PATH=/home/deploy/wiki/doc_app/shared/bundle/ruby/2.6.0/bin:/home/deploy/.rbenv/versions/2.6.5/bin:/home/deploy/.rbenv/libexec:/home/deploy/.rbenv/plugins/ruby-build/bin:/home/deploy/.rbenv/plugins/rbenv-vars/bin:/home/deploy/.rbenv/shims:/home/deploy/.rbenv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
* * * * * /bin/bash -l -c 'cd /home/deploy/wiki/doc_app/releases/20210209173234 && RAILS_ENV=production bundle exec rake backup:db --silent >> log/cron_log.log 2>&1'
# End Whenever generated tasks for: /home/deploy/wiki/doc_app/releases/20210209173234/config/schedule.rb at: 2021-02-09 11:41:37 -0600
当我在 shell 中运行生成的命令时,它工作正常,并且运行 rake 任务没有问题。我在这里错过了什么?
schedule.rb
set :output,"log/cron_log.log"
env :PATH,ENV['PATH']
every 1.minute do
rake "backup:db"
end
backup.rake
namespace :backup do
desc "backup database"
task db: :environment do
settings = Rails.configuration.database_configuration[Rails.env]
file_name = "dump-#{Time.Now.strftime('%Y%m%d%H%M%s')}.sql"
path = "#{ENV['HOME']}/backups/"
full_path = path + file_name
Backup.create!(path: full_path,name: file_name)
system "if [ ! -d #{path} ]; then mkdir #{path}; fi; MysqLdump -u #{settings['username']} -p#{settings['password']} --databases #{settings['database']} --ignore-table=#{settings['database']}.backups > #{full_path}"
end
end
解决方法
我通过将环境变量从 rbenv-vars 切换到 Figaro gem 来解决这个问题。现在一切正常。