Using Python's built-in defaultdict we can easily define a tree data structure:
def tree(): return defaultdict(tree)
That's it!
Using Python's built-in defaultdict we can easily define a tree data structure:
def tree(): return defaultdict(tree)
That's it!
# 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'] |
ansible-playbook --connection=local 127.0.0.1 playbook.yml
127.0.0.1 ansible_connection=local
#!/bin/bash | |
# Copyright 2017 Théo Chamley | |
# Permission is hereby granted, free of charge, to any person obtaining a copy of | |
# this software and associated documentation files (the "Software"), to deal in the Software | |
# without restriction, including without limitation the rights to use, copy, modify, merge, | |
# publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons | |
# to whom the Software is furnished to do so, subject to the following conditions: | |
# | |
# The above copyright notice and this permission notice shall be included in all copies or |
for node in node1 node2 node3;do | |
multipass launch -n $node | |
done | |
# Init cluster on node1 | |
multipass exec node1 -- bash -c "curl -sfL https://get.k3s.io | sh -" | |
# Get node1's IP | |
IP=$(multipass info node1 | grep IPv4 | awk '{print $2}') |