hosts 配置后可以支持指定 端口，密码等其他变量

[root@10_1_162_39 host_vars]# ll

total

-rw-r--r--  root root  May   : hosts

-rw-r--r--  root root  May   : test1.yaml

-rw-r--r--  root root  May   : test.playbook

[root@10_1_162_39 host_vars]# cat hosts

[web]

10.1.167.36

[web:vars]

ansible_ssh_port=

[web1]

10.1.167.18

[web1:vars]

ansible_ssh_port=

[test]

10.1.162.18 ansible_ssh_port= ansible_ssh_pass=test*
10.1.167.36 ansible_ssh_port= ansible_ssh_pass=test***

[root@10_1_162_39 host_vars]# cat test.playbook

---

- hosts: test

  gather_facts: false

  remote_user: root

  tasks:

    - shell: ifconfig

      register: output

    - debug: var=output.stdout

[root@10_1_162_39 host_vars]# ansible-playbook test.playbook -i hosts 

PLAY [test] ********************************************************************

TASK [command] *****************************************************************

changed: [10.1.162.18]

changed: [10.1.167.36]

TASK [debug] *******************************************************************

ok: [10.1.167.36] => {

    "output.stdout": "eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 192.168.142.129  netmask 255.255.255.0  broadcast 192.168.142.255\n        inet6 fe80::20c:29ff:fe9e:335f  prefixlen 64  scopeid 0x20<link>\n        ether 00:0c:29:9e:33:5f  txqueuelen 1000  (Ethernet)\n        RX packets 32739  bytes 2492311 (2.3 MiB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 1943  bytes 231372 (225.9 KiB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nlo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536\n        inet 127.0.0.1  netmask 255.0.0.0\n        inet6 ::1  prefixlen 128  scopeid 0x10<host>\n        loop  txqueuelen 1  (Local Loopback)\n        RX packets 4  bytes 340 (340.0 B)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 4  bytes 340 (340.0 B)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\n\nvirbr0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500\n        inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255\n        ether 52:54:00:2b:6f:35  txqueuelen 1000  (Ethernet)\n        RX packets 0  bytes 0 (0.0 B)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 0  bytes 0 (0.0 B)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0"

}

ok: [10.1.162.18] => {

    "output.stdout": "eth0      Link encap:Ethernet  HWaddr 00:0C:29:21:BD:17  \n          inet addr:192.168.238.129  Bcast:192.168.238.255  Mask:255.255.255.0\n          inet6 addr: fe80::20c:29ff:fe21:bd17/64 Scope:Link\n          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1\n          RX packets:299606 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:120969 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:1000 \n          RX bytes:363277194 (346.4 MiB)  TX bytes:6698174 (6.3 MiB)\n          Interrupt:19 Base address:0x2000 \n\nlo        Link encap:Local Loopback  \n          inet addr:127.0.0.1  Mask:255.0.0.0\n          inet6 addr: ::1/128 Scope:Host\n          UP LOOPBACK RUNNING  MTU:65536  Metric:1\n          RX packets:8 errors:0 dropped:0 overruns:0 frame:0\n          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0\n          collisions:0 txqueuelen:0 \n          RX bytes:480 (480.0 b)  TX bytes:480 (480.0 b)"

}

PLAY RECAP *********************************************************************

10.1.162.18                : ok=    changed=    unreachable=    failed=

10.1.167.36                : ok=    changed=    unreachable=    failed=   

[root@10_1_162_39 host_vars]#