无法在Ubuntu 16.04上运行Puma upstart脚本

Question

我正在尝试手动启动我的Ruby on Rails应用程序,但遇到了问题.

当运行'sudo start puma-manager'或'sudo start puma app =/home //'时,我收到以下错误:'无法连接到Upstart:无法连接到socket/com/ubuntu/upstart:连接被拒绝".

我正在阅读本教程:https://www.digitalocean.com/community/tutorials/how-to-deploy-a-rails-app-with-puma-and-nginx-on-ubuntu-14-04,在Ubuntu 16.04上(没有其他惊喜,除了使用16.04我已经按照本教程的最后细节).是否有一个很好的方法让新手上班？

我刚才读到16.04没有新贵.真的吗？我发现很难相信美洲狮没有一个好的解决方法.这似乎太常见了.

谢谢你的帮助!

Answer 1

我有同样的问题,有一段时间这是我没有升级到Ubuntu 16的原因,但我们必须继续这种变化.Systemd可能很吓人,但是一旦你开始有设置服务脚本的经验,它可能比Upstart更容易.

1. 在/ etc/systemd/system /中创建一个名为puma.service的文件,类似于这个:

   [Unit]
   Description=Puma HTTP Server
   After=network.target
   [Service]
   Type=simple
   # Preferably configure a non-privileged user
   User=appuser
   
   # Specify the path to your puma application root
   WorkingDirectory=/home/deploy/appname
   
   # Helpful for debugging socket activation, etc.
   Environment=PUMA_DEBUG=1
   # Setting secret_key_base for rails production environment. We can set other Environment variables the same way, for example PRODUCTION_DATABASE_PASSWORD
   Environment=SECRET_KEY_BASE=b7fbccc14d4018631dd739e8777a3bef95ee8b3c9d8d51f14f1e63e613b17b92d2f4e726ccbd0d388555991c9e90d3924b8aa0f89e43eff800774ba29
   
   # The command to start Puma, use 'which puma' to get puma's bin path, specify your config/puma.rb file
   ExecStart=/usr/local/bin/puma -C /home/deploy/appname/config/puma.rb
   Restart=always
   [Install]
   WantedBy=multi-user.target
   

2. 运行这些命令以启动systemd服务.

   systemctl daemon-reload
   systemctl enable puma.service
   systemctl start puma.service
   

如果您完成了本指南的其他步骤,您的服务将会正常运行:https: //www.digitalocean.com/community/tutorials/how-to-deploy-a-rails-app-with-puma-and-nginx -酮的ubuntu-14-04

请记住,您可以使用以下命令检查服务的状态:

systemctl status puma.service
systemctl status nginx

你可以使用'tail -f'调试这些日志文件:

/home/deploy/appname/shared/log/puma.stderr.log
/home/deploy/appname/log/production.log
/var/log/nginx/error.log

Answer 2

那是对的。您应该在 Ubuntu 16.04 LTS 中使用 SystemD。以下是相关的 Puma 文档和提供的示例服务单元文件：

[Unit]
Description=Puma HTTP Server
After=network.target

# Uncomment for socket activation (see below)
# Requires=puma.socket

[Service]
# Foreground process (do not use --daemon in ExecStart or config.rb)
Type=simple

# Preferably configure a non-privileged user
# User=

# Specify the path to your puma application root
# WorkingDirectory=

# Helpful for debugging socket activation, etc.
# Environment=PUMA_DEBUG=1

# The command to start Puma
# Here we are using a binstub generated via:
# `bundle binstubs puma --path ./sbin`
# in the WorkingDirectory (replace <WD> below)
# You can alternatively use `bundle exec --keep-file-descriptors puma`
# ExecStart=<WD>/sbin/puma -b tcp://0.0.0.0:9292 -b ssl://0.0.0.0:9293?key=key.pem&cert=cert.pem

# Alternatively with a config file (in WorkingDirectory) and
# comparable `bind` directives
# ExecStart=<WD>/sbin/puma -C config.rb

Restart=always

[Install]
WantedBy=multi-user.target