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通过jinja2生成虚拟主机配置

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在 ansibleplaybook 中，可以通过 JinJa2 可以生成多虚拟主机配置

目标配置

在实际使用中，需要通过 jinja2 模板生成多虚拟主机配置，希望最后可以生成下面配置

  • apache
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<VirtualHost *:80>
    ServerAdmin admin@czero000.com
    DocumentRoot "/data/htdocs/www.czero000.com
    ServerName www.czero000.com
    ErrorLog "logs/www.czero000.com-error_log"
    CustomLog "|/usr/local/apache/bin/rotatelogs -l /usr/local/apache/logs/www.czero000.com-access_%Y%m%d_log 86400" combined
<Directory "/data/htdocs/www.czero000.com">
        DirectoryIndex index.html index.php
        Options FollowSymLinks
        AllowOverride None
        Order allow,deny
        Allow from all
</Directory>
</VirtualHost>
  • nginx
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server {
        listen 80 default_server;
        server_name  www.czero000.com
        root /home/website/www.czero000.com;
        index index.html;
    location / {
          try_files $uri $uri/ /index.php?$args;
    }
    location ~ .*\.(php)?$ {
        expires 1s;
        try_files $uri = 404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        include fastcgi_params;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_pass 127.0.0.1:9000;
    }
        access_log logs/www.czero000.com_access.log access;
        error_log logs/www.czero000.com_error.log;
}

初始化 role

通过 ansible-galaxy 生成playbook目录

Apache

  • 添加变量

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    # Vhost
    VhostDomain:
      - domain: 'www.czero000.com'
        ServerName: 'www.czero000.com'
        DocumentRoot: '/home/website/www.czero000.com'

  • 编写 jinja2 模板

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    {% for vhost in VhostDomain %}
    <VirtualHost *:80>
        ServerAdmin admin.czero000.com
        DocumentRoot {{ vhost.DocumentRoot }}
        ServerName {{ vhost.ServerName }}
        ErrorLog "logs/{{ vhost.ServerName }}-error_log"
        CustomLog "|/usr/local/apache/bin/rotatelogs -l /usr/local/apache/logs/{{ vhost.ServerName }}_%Y%m%d_log 86400" combined
    <Directory "{{ vhost.DocumentRoot }}">
            DirectoryIndex index.html index.php
            Options FollowSymLinks
            AllowOverride None
            Order allow,deny
            Allow from all
    </Directory>
    </VirtualHost>
    {% endfor %}

  • 编写 task 文件

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---
- name: Copy Vhost Config Files
  template: src=vhost.conf.j2 dest=/usr/local/apache/conf/vhost/{{ item.domain }}.conf owner=root group=root mode=0644
  with_items: "{{ VhostDomain }}"
  #notify: Restart Apache.Service
  • 编写总调度文件，执行 playbook
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cat apache_conf.yml
- name: Dynamic Create Vhost Conf
  hosts: localhost
  gather_facts: no
  roles:
    - apache_conf
// 执行 playbook 生成配置文件
ansible-playbook  apache_conf.yml

Nginx

  • 添加变量

在 default/main.yml 中添加变量

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# Vhost
VhostDomain:
  - domain: 'www.czero000.com'
    listen: '80 default_server'
    root: '/home/website/www.czero000.com'
    server_name: 'www.czero000.com'
    index: 'index.html'
Vhost_Location: |
    location / {
              try_files $uri $uri/ /index.php?$args;
        }
        location ~ .*\.(php)?$ {
            expires 1s;
            try_files $uri = 404;
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            include fastcgi_params;
            fastcgi_param PATH_INFO $fastcgi_path_info;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            fastcgi_pass 127.0.0.1:9000;
        }

  • 编写 jinja2 模板
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{% for vhost in VhostDomain %}
server {
        listen {{ vhost.listen | default('80 default_server') }};
{% if vhost.server_name is defined %}
        server_name  {{ vhost.server_name }}
{% endif %}
{% if vhost.root is defined %}
        root {{ vhost.root }};
{% endif %}
{% if vhost.index is defined %}
        index {{ vhost.index }};
{% endif%}
{% if Vhost_Location is defined %}
    {{ Vhost_Location}}
{% endif%}
{% if vhost.server_name is defined %}                                                                                                                                   
        access_log logs/{{ vhost.server_name }}_access.log access;
        error_log logs/{{ vhost.server_name }}_error.log;
{% endif %}
}
{% endfor %}
  • 编写 task 文件
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---
- name: Copy Vhost Config Files
  template: src=vhost.conf.j2 dest=/usr/local/nginx/conf/vhost/{{ item.domain }}.conf owner=root group=root mode=0644
  with_items: "{{ VhostDomain }}"
  #notify: Restart Nginx.Service
  • 编写总调度文件，执行 playbook
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    cat ngingx_conf.yml
    - name: Dynamic Create Vhost Conf
      hosts: localhost
      gather_facts: no
      roles:
        - nginx_conf
    // 执行 playbook 生成配置文件
    ansible-playbook  ngingx_conf.yml