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Systemd 服务在启动时因 rbenv 环境错误而失败

tag-icon • tag-icon linux boot systemd ruby ruby-on-rails
Systemd 服务在启动时因 rbenv 环境错误而失败

用于启动 rails 应用的服务存在一些问题。ruby 安装通过 rbenv 管理，服务文件如下：

[Unit]
Description=evr server boot
After=network.target
After=local-fs.target

[Service]
Type=forking
User=pi
Group=pi
WorkingDirectory=/home/pi/evr
ExecStart=/home/pi/.rbenv/bin/rbenv bundle exec rails s -b 192.168.1.66
TimeoutSec=180
RestartSec=180s
Restart=always

[Install]
WantedBy=multi-user.target

当系统启动时，涉及到此服务时会抛出此错误：

$ systemctl status evrserver
● evrserver.service - evr server boot
   Loaded: loaded (/etc/systemd/system/evrserver.service; enabled; vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since Wed 2019-04-03 18:34:22 BST; 2min 51s ago
  Process: 425 ExecStart=/home/pi/.rbenv/bin/rbenv bundle exec rails s -b 192.168.1.66 (code=exited, status=1/FAILURE)
   CGroup: /system.slice/evrserver.service

Apr 03 18:34:22 raspberrypi systemd[1]: Failed to start evr server boot.
Apr 03 18:34:22 raspberrypi systemd[1]: evrserver.service: Unit entered failed state.
Apr 03 18:34:22 raspberrypi systemd[1]: evrserver.service: Failed with result 'exit-code'.

看起来 PATH 有问题，尝试执行“rails”命令时失败。如何避免这种情况，以便服务成功启动 rails 应用程序？

答案1

所以很简单，对吧？看起来我在 ExecStart 行中忘记了“bundle”前面的“exec”，并且还需要将类型设置为“simple”而不是“forking”

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