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[英]Puma restart fails on reboot using EC2 + Rails + Nginx + Capistrano
[英]How to get a Rails App Deployed with Puma and Capistrano to start on reboot
我已经成功使用Capistrano成功部署了Rails 4,Puma,Nginx应用程序。 当我部署cap production deploy
一切都很有效。 我的问题是,如果服务器因任何原因重新启动或者它崩溃,它不会重新启动。
我在DigitalOcean上使用的是Debian 8。 看来Debian 8使用的是systemd
,所以我遵循了Puma的指示,但它没有用。 经过一些研究后,我发现了更多的脚本,而且看起来最合理的是:
[Unit]
Description=Rails-Puma Webserver
[Service]
Type=simple
User=myuser
WorkingDirectory=/home/myuser/apps/myapp
ExecStart=/home/myuser/.rvm/rubies/ruby-2.2.2/bin/systemd_rails server -e production
TimeoutSec=15
Restart=always
[Install]
WantedBy=multi-user.target
我在/etc/systemd/system/rails-puma.service
保存了上面的文件然后我启用了它: sudo systemctl enable rails.service
并最终启动它: sudo systemctl start rails-puma.service
遗憾的是,这不起作用。 这是sudo systemctl status rails-puma.service
:
● rails-puma.service - Rails-Puma Webserver
Loaded: loaded (/etc/systemd/system/rails-puma.service; enabled)
Active: failed (Result: start-limit) since Thu 2016-07-07 12:11:58 EDT; 4s ago
Process: 4373 ExecStart=/home/myuser/.rvm/rubies/ruby-2.2.2/bin/systemd_rails server -e production (code=exited, status=203/EXEC)
Main PID: 4373 (code=exited, status=203/EXEC)
Jul 07 12:11:58 mrcProd systemd[1]: rails-puma.service: main process exited, code=exited, status=203/EXEC
Jul 07 12:11:58 mrcProd systemd[1]: Unit rails-puma.service entered failed state.
Jul 07 12:11:58 mrcProd systemd[1]: rails-puma.service start request repeated too quickly, refusing to start.
Jul 07 12:11:58 mrcProd systemd[1]: Failed to start Rails-Puma Webserver.
Jul 07 12:11:58 mrcProd systemd[1]: Unit rails-puma.service entered failed state.
我在这做错了什么?
我有一个类似的服务,但我宣布略有不同的/etc/systemd/system/puma.service
[Unit]
Description=Puma Control
After=network.target auditd.service
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/etc/puma/puma-start
ExecStop=/etc/puma/puma-stop
[Install]
WantedBy=multi-user.target
然后在/etc/puma/puma-start
#!/bin/bash -
cd /home/changeuser/apps/changeapp/current && ( export RACK_ENV="production" ; /home/changeuser/.rvm/bin/rvm default do bundle exec puma -C /home/changeuser/apps/changeapp/shared/puma.rb --daemon )
并在/etc/puma/puma-stop
#!/bin/bash -
cd /home/changeuser/apps/changeapp/current && ( export RACK_ENV="production" ; /home/changeuser/.rvm/bin/rvm default do bundle exec pumactl -S /home/changeuser/apps/changeapp/shared/tmp/pids/puma.state stop )
设置执行后记得
chmod +x /etc/puma/puma-start
chmod +x /etc/puma/puma-stop
systemctl enable puma
然后去测试
systemctl start puma
systemctl stop puma
systemctl restart puma
systemctl status puma
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