Cloud config examples library

Note

This page is an index to all the cloud config YAML examples, organized by operation or process. If you prefer to use a single-page summary containing every cloud config yaml example, refer to the all examples page.

System initialization and boot

• Run commands during boot using bootcmd and runcmd

• Control vendor-data use on boot

• Provide random seed data

• Writing out arbitrary files

System configuration

• Set keyboard layout

• Set system locale and timezone

SSH and security

• Configure SSH and SSH keys

  There are four modules related to SSH keys and their configuration, all of which are described in this page:

  • SSH

  • SSH Import ID

  • Keys to Console

  • SSH AuthKey Fingerprints.

• Add and configure trusted CA certificates

• Disable AWS EC2 IMDS

Disk and file system setup

• Configure partitions and filesystems - this includes initial disk and filesystem setup, resizing the file system, and growing partitions

• Configure mount points and swap files

• Gluster

Manage users

• Configure users and groups

• User passwords

Hostname

• Set hostname and FQDN

• Update hostname and FQDN

Networking

• Configure Network Time Protocol (NTP)

• Configure resolv.conf

• Configure Wireguard tunnel

• Update the hosts file

Package management

• Update, upgrade and install packages

• Configure APT

• APT pipelining

• Configure APK repositories (Alpine)

• Manage snaps (Ubuntu)

• Yum repositories (RPM-based)

• Configure Zypper repositories (OpenSUSE)

System monitoring and logging

• Create Reporting endpoints

• Output message when cloud-init finishes

• Configure system logging via rsyslog

Configuration managers

Ansible

• Install Ansible

• Configure instance to be managed by Ansible

• Configure instance to be an Ansible controller

Chef

• Install and run Chef recipes

Puppet

• Puppet

Salt Minion

• Salt Minion

Distribution-specific setup

Red Hat

• Register a Red Hat system

Ubuntu

• Configure Ubuntu Pro services

• Third party drivers in Ubuntu

• Install Landscape client

• Configure Ubuntu fan networking

• Configure which device is used as the target for GRUB installation

Miscellaneous

• Configure LXD

• Enable/disable Byobu terminal multiplexer

• Install hotplug udev rules

• Install and configure MCollective

• Phone home: post data to remote host

• Change power state

• Install and configure Spacewalk

• Configure datasources

• Amazon EC2 launch index