[root@node1:/etc]# tree /etc/ansible/
/etc/ansible/
├── ansible.cfg
├── hosts
├── python.yml
└── roles
└── python_install
├── files
│ └── Python-3.6.6.tgz
├── tasks
│ ├── copy.yml
│ ├── install.yml
│ └── main.yml
└── templates
└── python_install.sh
说明:
files:存放需要同步到异地服务器的源码文件及配置文件;
handlers:当资源发生变化时需要进行的操作,若没有此目录可以不建或为空;
meta:角色定义可留空;
tasks:python安装过程成需要进行的执行的任务;
templates:用于执行python安装的模板文件,一般为脚本;
vars:本次安装定义的变量,若无必要可以不建
python3.6.6源码存放目录:
python_install/files/Python-3.6.6.tgz
具体操作
1.创建python角色文件,用于调用python_install
[root@node1:/etc/ansible]# cat /etc/ansible/python.yml
---
- hosts: all
remote_user: root
roles:
- python_install
2.创建任务文件
[root@node1:/etc/ansible/roles]# cat python_install/tasks/copy.yml
- name: copy python_tgz to client
copy: src=/etc/ansible/roles/python_install/files/Python-3.6.6.tgz dest=/usr/local/src/
- name: copy install_python_script to client
copy: src=/etc/ansible/roles/python_install/templates/python_install.sh dest=/tmp/python_install.sh owner=root group=root mode=755
[root@node1:/etc/ansible/roles]# cat python_install/tasks/install.yml
- name: install python
shell: /bin/bash /tmp/python_install.sh
[root@node1:/etc/ansible/roles]# cat python_install/tasks/main.yml
- include: copy.yml
- include: install.yml
注意:
a.copy如果复制目录,需要加上递归参数,recurse;
b.copy如果复制目录,没有目录将会在目标服务器上创建;
c.copy如果复制文件到目标服务器的某一个目录下,需要在dest参数上加上/usr/local/src/,而不是/usr/local/src,否则ansible将会把文件复制为src,而不是放在src目录下。
4.编写模板脚本
[root@node1:/etc/ansible/roles]# cat python_install/templates/python_install.sh
#!/bin/bash
# install python3.6.6
# yum tools
yum -y groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
cd /usr/local/src
mkdir /usr/local/python3
tar -zxf Python-3.6.6.tgz
cd Python-3.6.6
./configure --prefix=/usr/local/python3
make && make install
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
# end
安装脚本功能:
1)安装yum依赖包
2)创建目录,解压文件并编译安装到目标目录
3)生成软连接
执行playbook
测试
[root@node1:/etc/ansible]# ansible-playbook -C python.yml
执行
[root@node1:/etc/ansible]# ansible-playbook python.yml