Ray
2/3/2020 - 5:38 AM

Update hosts to /etc/hosts

README.md
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ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -i inventory update_etc_hosts.yml
inventory
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[master]
10.10.10.2 set_hostname=maas-k8s-master01 ansible_ssh_port=22 ansible_ssh_user=root
 
[node]
10.10.10.3 set_hostname=maas-k8s-node01 ansible_ssh_port=22 ansible_ssh_user=root
10.10.10.4 set_hostname=maas-k8s-node02 ansible_ssh_port=22 ansible_ssh_user=root
update_etc_hosts.yml
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---
- hosts: all
  gather_facts: yes
 
  tasks:
    - name: Add IP address of all hosts to all hosts
      tags:
        - hosts
      lineinfile:
        state=present
        dest=/etc/hosts
        regexp="^{{ hostvars[item].ansible_default_ipv4.address }}"
        line="{{ hostvars[item].ansible_default_ipv4.address }} {{ hostvars[item].ansible_hostname }}"
      with_items:
        - '{{ groups.master }}'
        - '{{ groups.node }}'