目录

1、建目录

2、tasks

3、handlers

4、files

5、templates

6、nginx_lb.yml

1、建目录

[root@zbx-server roles]# tree webservers/
webservers/
├── files
│   ├── installed_nginx.sh
│   ├── nginx-1.18.0.tar.gz
│   └── nginx.service
├── handlers
│   └── main.yml
├── tasks
│   ├── copy.yml
│   ├── group.yml
│   ├── main.yml
│   ├── script.yml
│   ├── template.yml
│   ├── unarchive.yml
│   ├── user.yml
│   └── yum.yml
├── templates
│   └── nginx.conf.j2
└── vars

5 directories, 13 files

2、tasks

1、 cat main.yml
---
- include: group.yml
- include: user.yml
- include: unarchive.yml
- include: yum.yml
- include: script.yml
- include: copy.yml
- include: template.yml

2、cat group.yml
- name: group www
  group: name=www system=yes

3、cat user.yml
- name: user www
  user: name=www group=www system=yes shell=/sbin/nologin

4、 cat unarchive.yml
- name: cp nginx.tar
  unarchive: src=/etc/ansible/roles/webservers/files/nginx-1.18.0.tar.gz dest=/opt

5、cat yum.yml
- name: yum pcre-devel
  yum: name=pcre-devel state=installed
- name: yum pcre-devel
  yum: name=zlib-devel state=installed
- name: yum openssl-devel
  yum: name=openssl-devel state=installed
- name: yum gcc
  yum: name=gcc state=installed
- name: yum gcc-c++
  yum: name=gcc-c++ state=installed

6、cat script.yml
- name: script installed-nginx
  script: removes=/opt/nginx-1.18.0 /etc/ansible/roles/webservers/files/installed_nginx.sh

7、cat copy.yml
- name: cp nginx.service
  copy: src=/etc/ansible/roles/webservers/files/nginx.service dest=/usr/lib/systemd/system/
- name: Refresh permissions
  shell: systemctl daemon-reload

8、cat template.yml
- name: cp nginx.conf
  template: src=nginx.conf.j2 dest=/usr/local/nginx/conf/nginx.conf

  notify: restart nginx

3、handlers

1、 cat main.yml
- name: restart nginx
  service: name=nginx state=restarted

4、files

1、cat installed_nginx.sh
#!/bin/bash
cd /opt/nginx-1.18.0

./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module

make && make install

2、cat nginx.service
[Unit]
Description=nginx
After=network.target

[Service]
Type=forking
ExecStart=/usr/local/nginx/sbin/nginx
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/usr/local/nginx/sbin/nginx -s stop
PrivateTmp=true

[Install]
WantedBy=multi-user.target

3、准备：
nginx-1.18.0.tar.gz

5、templates

1、cat nginx.conf.j2
user www;
worker_processes  {{ ansible_processor_vcpus }};
events {

    accept_mutex on;    #on可以work进程一起竞争一个请求链接请求多时可以关闭
    multi_accept off;   #off可以使一个work进程接多个请求 on是一个work接一个请求
    worker_connections  1024;
    use epoll;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;  #提高nginx处理静态资源的性能
    keepalive_timeout  65;
    server {
        listen       80;
        server_name  localhost;
        location / {
            root   html;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }

    include  conf.d/*.conf;
}

6、nginx_lb.yml

1、[root@zbx-server roles]# ls
nginx_lb.yml  webservers


2、 cat nginx_lb.yml
- name: installed nginx
  hosts: 192.168.0.3

  roles:
    - webservers



3、ansible-playbook nginx_lb.yml