ansible lookup例子

通过lookup方式，将用户密码把独立到credentials.csv文件中
credentials.csv

# Credentials File
Hostname,Password
web_server,Passw0rd
db_server,Passw0rd

inventory

db_server
web_server 

playbook.yml

-
  name: Test Connectivity
  hosts: web_server
  vars:
    ansible_ssh_pass: "{{ lookup('csvfile', 'web_server file=credentials.csv delimiter=,') }}"
  tasks:
  - name: Ping target host
    ping:
      data: "Test"

执行命令

# ansible-playbook playbook.yml -i inventory

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

TASK [Gathering Facts] *************************************************************************************************
ok: [web_server]

TASK [Ping target host] ************************************************************************************************
ok: [web_server]

TASK [debug] ***********************************************************************************************************
ok: [web_server] => {
    "msg": "vagrant"
}

PLAY RECAP *************************************************************************************************************
web_server                 : ok=3    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

credentials.ini

# Credentials File

[web_server]
password=Passw0rd
hostname=12345

[db_server]
password=Passw0rd

inventory

db_server
web_server

playbook.yml

-
  name: Test Connectivity
  hosts: web_server
  vars:
    ansible_ssh_pass: "{{ lookup('ini', 'password section=web_server file=credentials.ini') }}"
    hostname: "{{ lookup('ini', 'hostname section=web_server file=credentials.ini') }}"
  tasks:
  - name: Ping target host
    ping:
      data: "Test"

  - debug: msg="hostname is {{ hostname }}"

执行命令

[root@master-1 ini]# ansible-playbook playbook.yml -i inventory

PLAY [Test Connectivity] ***********************************************************************************************************************************************************************

TASK [Gathering Facts] *************************************************************************************************************************************************************************
ok: [web_server]

TASK [Ping target host] ************************************************************************************************************************************************************************
ok: [web_server]

TASK [debug] ***********************************************************************************************************************************************************************************
ok: [web_server] => {
    "msg": "hostname is 12345"
}

PLAY RECAP *************************************************************************************************************************************************************************************
web_server                 : ok=3    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0