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Ansible角色：安装nginx

CentOS7安装nginx角色

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一、版本要求

被控节点：CentOS7

控制节点：Ansible2.9

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二、如何使用

1、进入Ansible默认角色目录

cd /etc/ansible/roles

如果在ansible.cfg中更改了默认的角色目录，根据你自己角色目录进行更改

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2、创建一个角色

ansible-galaxy init nginx_install

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3、下载

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4、解压

tar zxvf nginx_install.tar.gz

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5、主机清单

vim /etc/ansible/hosts

ansible_ssh_host 填写被控主机地址

ansible_ssh_user 填写被控主机用户 ansible_ssh_pass 填写被控主机登录密码

[CentOS]host_A ansible_ssh_host= [CentOS:vars]ansible_ssh_user= ansible_ssh_pass= ansible_ssh_port= 22

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三、实例剧本

1、主剧本

---- hosts: CentOS  remote_user: root  roles:    - nginx_install

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四、角色详解

1、角色目录

defaults

  └─main.yml 　 files   └─nginx-1.12.0.tar.gz handlers meta tasks   ├─free_ports.yml   ├─install.yml   └─main.yml templates tests   └─test.yml vars

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2、任务

主任务

main.yml

---# tasks file for nginx_install- include: install.yml- include: free_ports.yml

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安装任务

install.yml

---  #安装依赖包任务  - name: install dependency packages    yum:      name: "{
   { packages }}"      state: present  #创建临时文件夹任务  - name: create nginx folder    file:      path: "{
   { temp_nginx_path }}"      state: directory  #解压缩安装包文件任务  - name: unzip nginx install package     unarchive:       src: "{
   { nginx_install_file }}"      dest: "{
   { temp_nginx_path }}"  #在安装之前配置nginx，拷贝配置文件模板任务  - name: configure nginx    template:      src: nginx.conf.j2      dest: "{
   {pre_nginx_conf}}"  #执行配置nginx文件任务  - name: configure nginx    shell: ./configure chdir="{
   {
   temp_nginx_install_path}}"  #源码安装nginx任务  - name: make install    shell: make & make install chdir="{
   {
   temp_nginx_install_path}}"      #启动nginx任务  - name: start the nginx    shell: "{
   {nginx_path}}"

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开放端口任务

free_ports.yml.yml

---  #开放80端口任务  - name: firewalld free http port    firewalld:      port: 80/tcp      permanent: yes      state: enabled  #开放443端口任务  - name: firewalld free https port    firewalld:      port: 443/tcp      permanent: yes      state: enabled        #更改完防火墙配置，重启防火墙任务  - name: restart firewall    service:      name: firewalld      state: restarted

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3、变量

---# defaults file for nginx_install#nginx版本nginx_version: 1.12.0#nginx安装压缩包nginx_install_file: nginx-{
   {
   nginx_version}}.tar.gz#压缩包下载地址nginx_download_url: https://nginx.org/download/{
   {
   nginx_install_file}}#依赖packages:   - gcc-c++  - pcre   - pcre-devel  - zlib   - zlib-devel  - openssl   - openssl-devel#临时文件路径temp_nginx_path: /etc/temp/nginx#临时安装路径temp_nginx_install_path: /etc/temp/nginx/nginx-{
   {
   nginx_version}}#安装前配置文件pre_nginx_conf: /etc/temp/nginx/nginx-{
   {
   nginx_version}}/conf/nginx.conf#nginx启动目录nginx_path: /usr/local/nginx/sbin/nginx

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