Capistrano和Cron中的耙子任务使用了错误的红宝石版本

2024-05-19 • 问答

我需要在部署过程中执行rake任务。为此，我在deploy名称空间中有一个任务：

desc 'Start Telegram server'
task :start_telegram do
  on roles(:app) do
    puts "Current path: #{release_path}"
    within release_path do
      with rails_env: fetch(:rails_env) do
        execute :nohup,"bundle exec rake bot:start_poller > #{shared_path}/log/telegram.log 2>&1 & echo $! > #{shared_path}/tmp/pids/telegram-server.pid"
      end
    end
  end
end

它是这样执行的：after :stop_telegram,:start_telegram。日志文件的输出为：

/var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/spec_set.rb:87:in `block in materialize': Could not find nokogiri-1.10.3 in any of the sources (Bundler::GemNotFound)
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/spec_set.rb:81:in `map!'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/spec_set.rb:81:in `materialize'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/definition.rb:170:in `specs'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/definition.rb:237:in `specs_for'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/definition.rb:226:in `requested_specs'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:108:in `block in definition_method'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:20:in `setup'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler.rb:107:in `setup'
        from /var/lib/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/setup.rb:20:in `<top (required)>'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
        from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'

rbenv ruby版本为2.5.3，ruby -v给了我ruby 2.5.3p105 (2018-10-18 revision 65156) [x86_64-linux]，我不知道为什么它会出现在/usr/lib/gems/2.3.0中。当cron执行rake任务时，也会发生同样的情况。关于什么是错的任何想法？谢谢你。

编辑：如果我在服务器RAILS_ENV=production nohup bundle exec rake bot:start_poller > /home/deployer/apps/aws-rails/www/shared/log/telegram.log 2>&1 & echo $! > /home/deployer/apps/aws-rails/www/shared/tmp/pids/telegram-server.pid上手动执行它，则一切正常。

如果您希望Capistrano使用rvm版本，则需要使用capistrano / rbenv gem

# Capfile
require 'capistrano/rbenv'


# config/deploy.rb
set :rbenv_type,:user # or :system,depends on your rbenv setup
set :rbenv_ruby,'2.4.2'

有关更多详细信息，请查看下面的链接

https://github.com/capistrano/rbenv

将rbenv与crons一起使用时，请将以下内容添加到您的bashrc中

if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi

https://benscheirman.com/2013/12/using-rbenv-in-cron-jobs/

我已经找到了解决方案，应该添加此$HOME/.rbenv/bin/rbenv exec，因此，最后，可执行命令应如下所示：execute :nohup,"$HOME/.rbenv/bin/rbenv exec bundle exec rake bot:start_poller > #{shared_path}/log/telegram.log 2>&1 & echo $! > #{shared_path}/tmp/pids/telegram-server.pid"

Capistrano和Cron中的耙子任务使用了错误的红宝石版本

hzhgch 回答：Capistrano和Cron中的耙子任务使用了错误的红宝石版本

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