ansible獲取遠程機器上的ip地址

問題：

想要使用ansible-playbook腳本創建一個以遠程機器的IP命名的目錄

 

錯誤的代碼：# vim test.yml

---
  - hosts: all
    remote_user: root
    vars:
      collect_info: "/data/test/{{ansible_all_ipv4_addresses}}/"

    tasks:
      - name: create IP directory
         file:
           name: "{{collect_info}}"
           state: directory

# ls -l /data/test/
總用量 0
drwxr-xr-x 2 root root 6 5月  30 17:27 [u'192.168.37.135']

 

原因是：獲取的格式不對

# ansible all -m setup -a "filter="ansible_all_ipv4_addresses""
127.0.0.1 | SUCCESS => {
    "ansible_facts": {
        "ansible_all_ipv4_addresses": [
            "192.168.0.1" ]
    }, 
    "changed": false
}


而 “ansible_default_ipv4”獲取的格式則剛好可以使用

# ansible all -m setup -a "filter="ansible_default_ipv4""
127.0.0.1 | SUCCESS => {
    "ansible_facts": {
        "ansible_default_ipv4": {
            "address": "192.168.0.1", 
            "alias": "ens19", 
            "broadcast": "192.168.0.255", 
            "gateway": "192.168.0.254", 
            "interface": "ens19", 
            "macaddress": "00:0c:29:39:2c:95", 
            "mtu": 1500, 
            "netmask": "255.255.255.0", 
            "network": "192.168.0.0", 
            "type": "ether"
        }
    }, 
    "changed": false
}

 

 

正確的代碼是：

---
  - hosts: all
    remote_user: root
    vars:
      collect_info: "/data/test/{{ansible_default_ipv4['address']}}/"

    tasks:
      - name: create IP directory
         file:
           name: "{{collect_info}}"
           state: directory

 

網上有些說方法是：{{ipv4_eth0['address']}}，但是我的機器setup獲取到的數值中沒有ipv4_eth0，所以在截取數值之前先確認一下ip地址位於哪個部分，然后再截取正確的數值。