ansibel playbook 实例1

node2:/root/sbin#cat /etc/ansible/hosts
[webservers]
192.168.137.2
192.168.137.3
115.236.19.4:9998
1.1.1.1
node2:/root/sbin#cat test_connect.
cat: test_connect.: No such file or directory
node2:/root/sbin#cat test_connect.yml 
---
- hosts: webservers
  remote_user: root
  tasks:
    - name: test connection
      ping:
      remote_user: root
node2:/root/sbin#ansible-playbook -i /etc/ansible/hosts test_connect.yml 

PLAY [webservers] *******************************************************************************************************

TASK [Gathering Facts] **************************************************************************************************
ok: [192.168.137.2]
ok: [192.168.137.3]
fatal: [1.1.1.1]: UNREACHABLE! => {"changed": false, "msg": "timed out", "unreachable": true}
fatal: [115.236.19.4]: UNREACHABLE! => {"changed": false, "msg": "timed out", "unreachable": true}

TASK [test connection] **************************************************************************************************
ok: [192.168.137.3]
ok: [192.168.137.2]
	to retry, use: --limit @/root/sbin/test_connect.retry

PLAY RECAP **************************************************************************************************************
1.1.1.1                    : ok=0    changed=0    unreachable=1    failed=0   
115.236.19.4               : ok=0    changed=0    unreachable=1    failed=0   
192.168.137.2              : ok=2    changed=0    unreachable=0    failed=0   
192.168.137.3