Loading... 由于需要拷贝配置文件模板到受控主机，但是模板文件某些地方需要进行修改，此时就需要利用`jinja2`对模板定义修改项，再用`template`拷贝到受控主机。 **主机分布如下：** - ansible: 172.168.20.20 - web1: 172.16.10.10 OS: CentOS 7 - web2: 172.16.10.20 OS: CentOS 7 - web3: 172.16.10.30 OS: CentOS 6 **ansible的主机清单** [websrvs] 172.16.10.10 http_port=80 172.16.10.20 http_port=81 172.16.10.30 http_port=82 #专用变量 **目录树** /data/ansible/nginx service.yml templates #该目录存放模板文件，名字固定 nginx.conf7.j2 nginx.conf6.j2 **模板文件** nginx.conf7.j2 user nginx; worker_processes {{ ansible_processor_vcpus*2 }}; #这里用到的是jinja2的运算符，"*"，前面是变量受控主机的核心个数 error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; sendfile on; keepalive_timeout 65; server { listen {{ http_port }}; #引用hosts中定义的变量 server_name localhost; root html; index index.html index.htm; } include /etc/nginx/conf.d/*.conf; } nginx.conf6.j2 user admin; #修改用户以示区别 worker_processes auto; error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; sendfile on; keepalive_timeout 65; server { listen {{ http_port }}; #引用hosts中定义的变量 server_name localhost; root html; index index.html index.htm; } include /etc/nginx/conf.d/*.conf; } **service.yml剧本** --- - hosts: websrvs remote_user: root tasks: - name: Install Nginx yum: name=nginx - name: CentOS 6 Config Copy template: src=nginx.conf6.j2 dest=/etc/nginx/nginx.conf #复制模板文件到受控主机指定位置，指定名称。src用的相对路径，前提是文件再templates文件夹下 when: ansible_distribution_major_version == "6" #表示只对系统版本为6的主机执行该操作 notify: Restart Nginx #当配置文件发生改变就通知handlers做出相应的操作 - name: CentOS 7 Config Copy template: src=nginx.conf7.j2 dest=/etc/nginx/nginx.conf when: ansible_distribution_major_version == "7" ##表示只对系统版本为7的主机执行该操作 notify: Restart Nginx - name: Service Start service: name=nginx state=stared enabled=yes handlers: - name: Restart Nginx service: name=nginx state=restarted **运行后的结果** web1: 172.16.10.10 OS: CentOS 7  监听的端口是80，且进程数为cpu核心的两倍 web2: 172.16.10.20 OS: CentOS 7  监听的端口是81，且进程数为cpu核心的两倍 web3: 172.16.10.30 OS: CentOS 6  监听的端口是82，且进程数为cpu核心相同，进程的用户是admin ------------ <center>她</center> ------------ 最后修改：2019 年 10 月 20 日 11 : 12 AM © 允许规范转载 赞赏 如果觉得我的文章对你有用，请随意赞赏 ×Close 赞赏作者 扫一扫支付 支付宝支付 微信支付
