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ansible-host-data.md

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ansible-host-data

Purpose

Displays a specific piece of information about a host in ansible-inventory

Syntax

Syntax: ansible-host-data [-h] (-u | -i | -k) [-v] host

Options and arguments

Option Description Default
-u, --user Extract user - the ansible_user attribute from the inventory file You must select one extraction option
-i, --ip Extract IP - the ansible_host attribute from the inventory file.

The attribute may not even be an IP address but I thought that would be more clear than the friendly hostname given as a key in the inventory.		 You must select one extraction option
-k, --key Extract key - the ansible_ssh_private_key_file attribute from the inventory file You must select one extraction option
-v Enable verbose debugging Debugging is not enabled

Example

$ cat /etc/ansible/hosts
[targets]
bruno-amazon1 ansible_host=3.84.84.102 ansible_user=ec2-user ansible_ssh_private_key_file=/home/mrbruno/.ssh/bruno.pem
bruno-amazon2 ansible_host=18.234.193.98 ansible_user=ec2-user ansible_ssh_private_key_file=/home/mrbruno/.ssh/bruno.pem
bruno-rh8 ansible_host=34.207.227.119 ansible_user=ec2-user ansible_ssh_private_key_file=/home/mrbruno/.ssh/bruno.pem
$ ansible-inventory --list -y
all:
  children:
    targets:
      hosts:
        bruno-amazon1:
          ansible_host: 3.84.84.102
          ansible_ssh_private_key_file: /home/mrbruno/.ssh/bruno.pem
          ansible_user: ec2-user
        bruno-amazon2:
          ansible_host: 18.234.193.98
          ansible_ssh_private_key_file: /home/mrbruno/.ssh/bruno.pem
          ansible_user: ec2-user
        bruno-rh8:
          ansible_host: 34.207.227.119
          ansible_ssh_private_key_file: /home/mrbruno/.ssh/bruno.pem
          ansible_user: ec2-user
    ungrouped: {}
$ ansible-hosts
host           ip              user      key
bruno-amazon1  3.84.84.102     ec2-user  /home/mrbruno/.ssh/bruno.pem
bruno-amazon2  18.234.193.98   ec2-user  /home/mrbruno/.ssh/bruno.pem
bruno-rh8      34.207.227.119  ec2-user  /home/mrbruno/.ssh/bruno.pem
$ ansible-host-data -i bruno-rh8
34.207.227.119
$ ansible-host-data -k bruno-rh8
/home/mrbruno/.ssh/bruno.pem
$ ansible-host-data -u bruno-rh8
ec2-user
$

Notes

  • This assumes you have Ansible and an inventory file such as /etc/ansible/hosts that ansible-inventory can work with.