Skip to content

Instantly share code, notes, and snippets.

@bashcoder
Forked from rothgar/main.yml
Created February 10, 2016 20:08
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save bashcoder/8d26986f612fc3d80c7a to your computer and use it in GitHub Desktop.
Save bashcoder/8d26986f612fc3d80c7a to your computer and use it in GitHub Desktop.
Generate /etc/hosts with Ansible
# Idempotent way to build a /etc/hosts file with Ansible using your Ansible hosts inventory for a source.
# Will include all hosts the playbook is run on.
# Inspired from http://xmeblog.blogspot.com/2013/06/ansible-dynamicaly-update-etchosts.html
- name: "Build hosts file"
lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item].ansible_default_ipv4.address }} {{item}}" state=present
when: hostvars[item].ansible_default_ipv4.address is defined
with_items: groups['all']
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment