How to update host file using ansible

[Pradeep Ghorpade]

Hello Team,

I am looking ansible playbook which will update host file in below scenario.

I have 2 group server both are aws instance.

[test]

servername

[test1]

servername1

I want to update host file on test group server with test1 server details like ip address and hostname.

I dont want to put ip details into inventory.

can u help me  here.

[Pradeep Ghorpade]

On Thursday, January 24, 2019 at 8:10:47 PM UTC+5:30, Pradeep Ghorpade wrote:

Hello Team,

I am looking ansible playbook which will update host file in below scenario.

I have 2 group server both are aws instance.

[test]

xyz

[test1]

abc

I want to update host file on test group server(xyz) with test1 server(abc) details like ip address and hostname.

I dont want to put ip details into inventory.

can u help me  here.

I am using below playbook with set hostname on xyz server and update host file for self. I want to add abc server details into host file of xyz.

vars:

  test_hostname: "xyz"

- name: set up host name

  hostname:

    name: "{{ test_hostname }}"

  register: set_hostname

  tags:

    - set_hostname

  when: test_hostname is defined

- name: Add host entry into host file

  lineinfile:

    dest: /etc/hosts

    regexp: '.*{{ ansible_nodename }}$'

    line: '{{ ansible_default_ipv4.address }} {{ ansible_nodename }} {{ ansible_hostname }}'

    state: present

- name: Add other host entry

  lineinfile:

    path: /etc/hosts

    regexp: '.*{{ ansible_nodename }}$'

    #insertafter: '^{{ ansible_nodename }}'

    line: '{{ ansible_default_ipv4.address }} {{ ansible_nodename }}'

    when: inventory_hostname is groups['test1']

  tags:

    - add_host