CentOS7 安装Ansible

集群机器IP列表

10.136.158.9
10.136.157.11
10.136.157.12
10.136.157.26

iTerm2打开多窗口操作模式

shift+command+i

1.机器互信

生成ssh.key

ssh-keygen -t dsa -f ~/.ssh/id_dsa -P ""

分发ssh.key

ssh-copy-id -i ~/.ssh/id_dsa.pub root@10.136.158.9
ssh-copy-id -i ~/.ssh/id_dsa.pub root@10.136.157.11
ssh-copy-id -i ~/.ssh/id_dsa.pub root@10.136.157.12
ssh-copy-id -i ~/.ssh/id_dsa.pub root@10.136.157.26

2.安装ansible

yum install -y ansible

配置hosts文件

vi /etc/ansible/hosts

添加ip

[mesos]
10.136.158.9
10.136.157.11
10.136.157.12
10.136.157.26

3.测试

[mesos@bj3-136-157-11-c2-128 ~]$ ansible webservers -m command -a 'uptime'
10.136.157.11 | SUCCESS | rc=0 >>
 17:15:44 up 63 days, 23:14,  2 users,  load average: 0.00, 0.03, 0.06

10.136.157.26 | SUCCESS | rc=0 >>
 17:15:44 up 63 days, 23:14,  2 users,  load average: 0.01, 0.02, 0.05

10.136.157.12 | SUCCESS | rc=0 >>
 17:15:44 up 63 days, 23:14,  2 users,  load average: 0.00, 0.01, 0.05

10.136.158.9 | SUCCESS | rc=0 >>
 17:15:44 up  4:54,  3 users,  load average: 0.14, 0.27, 0.20

尝试访问所有ip

[mesos@bj3-136-157-11-c2-128 ~]$ ansible all -m ping
10.136.157.12 | SUCCESS => {
    "changed": false,
    "ping": "pong"
}
10.136.157.11 | SUCCESS => {
    "changed": false,
    "ping": "pong"
}
10.136.157.26 | SUCCESS => {
    "changed": false,
    "ping": "pong"
}
10.136.158.9 | SUCCESS => {
    "changed": false,
    "ping": "pong"
}