RHEL 6.6下安装Ansible
ansible是新出现的自动化运维工具，基于Python开发，集合了众多运维工具（puppet、cfengine、chef、func、fabric）的优点，实现了批量系统配置、批量程序部署、批量运行命令等功能。（百度百科），2015年RedHat收购ansible。
主机环境：
OS:Red Hat Enterprise Linux Server release 6.6 (Santiago) x86_64
IP:172.16.10.180
Python 2.6.6
注:操作系统最小化安装
节点：
OS:Oracle Linux Server release 5.8
IP:172.16.10.10、172.16.10.200
Python 2.4.3
1、安装开发工具：
# yum -y groupinstall "Development tools"
2、安装six、yaml
# rpm -ivh python-six-1.9.0-1.el6.pp.noarch.rpm
# rpm -ivh python-yaml-3.09-3.el6.rf.x86_64.rpm
3、安装ansible
# yum install ansible
注：受控节点需要安装python-simplejson
4、生成秘钥文件
# ./sshUserSetup.sh -user root -hosts "172.16.10.10 172.16.10.200"
输入yes和两台主机的root密码即可完成172.16.10.180->172.16.10.10、172.16.10.180->172.16.10.200的验证
或者：
# ssh-keygen -t rsa -P ''
在/root/.ssh/下生成文件id_rsa.pub,拷贝到所有受控机并执行以下操作：
# cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
# chmod 600 /root/.ssh/authorized_keys
5、修改hosts文件
# cd /etc/ansible/
# cat /etc/ansible/hosts
...
[dbservers]
172.16.10.10
172.16.10.200
6、修改ansible.cfg文件
# cat /etc/ansible/ansible.cfg
...
remote_port = 36000
...
private_key_file = /root/.ssh/id_rsa
7、测试
# ansible all -m ping
# all指所有定的主机
172.16.10.10 | SUCCESS => {
"changed": false,
"ping": "pong"
}
172.16.10.200 | SUCCESS => {
"changed": false,
"ping": "pong"
}
# ansible dbservers -m ping
172.16.10.200 | SUCCESS => {
"changed": false,
"ping": "pong"
}
172.16.10.10 | SUCCESS => {
"changed": false,
"ping": "pong"
}
8、常见错误：
A、"msg": "Error: ansible requires the stdlib json or simplejson module, neither was found!"
受控端需要安装python-simplejson
B、FAILED => module command not found in configured module paths. Additionally, core modules are missing. If this is a checkout, run 'git submodule update --init --recursive' to correct this problem.
安装过程有问题，重新安装
C、FAILED => to use the 'ssh' connection type with passwords, you must install the sshpass program
安装sshpass
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