Cron 作业不适用于 Whenever gem、rails 5

Question

我正在使用 ide 云 9 Rails5

我每次都安装 gem。

gem 'whenever', :require => false

schedule.rb:

set :output, "#{path}/log/cron.log"

every 2.minutes do
  rake "subscription:send_mails"
end


namespace :subscription do
  desc "Send dayly mails with new projects"
  task send_mails: :environment do

    Subscriber.where.not(categories: []).find_each do |subscriber|
      projects = Project.where(categories: subscriber.categories, created_at: 1.days.ago )
      SubscriptionMailer.send_email_with_new_projects(subscriber, projects).delivery_now
    end
  end
end

运行在命令行中：

bundle exec whenever
0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58 * * * * /bin/bash -l -c 'cd /home/ubuntu/workspace && RAILS_ENV=production bundle exec rake subscription:send_mails --silent >> /home/ubuntu/workspace/log/cron.log 2>&1'

## [message] Above is your schedule file converted to cron syntax; your crontab file was not updated.
## [message] Run `whenever --help' for more options.

现在运行在开发模式下安装本地服务器。我没有看到任何 evidence 代码实际上是运行。 log/cron.log 为空。有没有我没有做的步骤？

Answer 1

除非您使用的是 SSH 工作区，否则 Cron 作业无法在 Cloud9 上运行。

来源：How to enable/run cron on Cloud9?

Cron 作业不适用于 Whenever gem、rails 5

Cron job not working for Whenever gem, rails 5

cron

ruby-on-rails

cloud9-ide