Nginx无法通过Ansible重新启动 [英] Nginx cannot restart via Ansible

问题描述

我在剧本中有一个任务，试图照常通过处理程序重启nginx:

I have a task in a playbook that tries to restart nginx via a handler as per usual:

- name: run migrations
  command: bash -lc "some command"
  notify: restart nginx

然而，剧本因此错误而中断:

The playbook however breaks on this error:

NOTIFIED: [deploy | restart nginx] ******************************************** 
failed: [REDACTED] => {"failed": true}
msg: failure 1 running systemctl show for 'nginx.service': Failed to get D-Bus connection: No connection to service manager.

该处理程序是标准的:

- name: restart nginx
  service: name=nginx state=restarted enabled=yes

我设置nginx的方式也不例外:

And the way that I've setup nginx is not out of the ordinary as well:

- name: install nginx
  apt: name=nginx state=present
  sudo: yes

- name: copy nginx.conf to the server
  template: src=nginx.conf.j2 dest=/etc/nginx/nginx.conf
  sudo: yes

- name: delete default virtualhost
  file: path=/etc/nginx/sites-enabled/default state=absent
  sudo: yes

- name: add mysite site-available
  template: src=mysite.conf.j2 dest=/etc/nginx/sites-available/mysite.conf
  sudo: yes

- name: link mysite site-enabled
  file: path=/etc/nginx/sites-enabled/mysite src=/etc/nginx/sites-available/mysite.conf state=link
  sudo: yes

这是在ubuntu-14-04-x64 VPS上.

推荐答案

处理程序为:

- name: restart nginx
  service: name=nginx state=restarted enabled=yes

状态和启用标志似乎不能同时存在.通过将上面的内容修整为以下内容，就可以了.

It seems that the state and enabled flags cannot both be present. By trimming the above to the following, it worked.

- name: restart nginx
  service: name=nginx state=restarted

这是为什么，为什么突然开始破裂，我不知道.

Why this is, and why it started breaking suddenly, I do not know.

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