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Ansible-Bootstrap

An Ansible playbook for automating system bootstrap processes in an Infrastructure-as-Code manner, utilizing ArchISO as the foundational tool.

Info

Most of the roles are adaptable for use with systems beyond ArchLinux, requiring only that the target system can install a necessary package manager, such as dnf for RHEL-based systems. Additionally, a replacement for the arch-chroot command may be required for these systems.

NOTE:

  • RHEL Systems are not currently supported due to restricted access to their repositories. A workaround could involve using an ISO as a local repository or setting up a proxy repository to facilitate access.

Supported Distributions

This playbook supports multiple Linux distributions with specific versions tailored to each. Below is a list of supported distributions:

os Distribution
archlinux ArchLinux (Latest rolling release)
almalinux AlmaLinux 9.x
debian11 Debian 11 (Bullseye)
debian12 Debian 12 (Bookworm)
fedora Fedora 40
rocky Rocky Linux 9.x
ubuntu Ubuntu 23.10 (Mantic Minotaur)
ubuntu-lts Ubuntu 22.04 LTS (Jammy Jellyfish)

Documentation

Table of Contents

  1. Overview
  2. Global Variables
  3. Inventory Variables
  4. How to Use the Playbook

1. Overview

The playbook uses the ArchLinux ISO as a foundational tool to provides an efficient and systematic method for the automatic deployment of a variety of Linux distributions on designated target systems. It ensures a standardized setup across different platforms, equipping each system with the essential configurations and software necessary for its designated role.

2. Global Variables

Global variables apply across your Ansible project and are loaded from vars.yml by default. These variables define common settings such as hypervisor connection details and the boot ISO path. They can be overridden by inventory variables for specific hosts or VMs if needed.

Variable Description Example Value
boot_iso Path to the boot ISO image. local-btrfs:iso/archlinux-x86_64.iso
hypervisor Type of hypervisor. libvirt, proxmox, vmware, none
hypervisor_cluster Name of the hypervisor cluster. default-cluster
hypervisor_node Hypervisor node name. node01
hypervisor_password Password for hypervisor authentication. 123456
hypervisor_storage Storage identifier for VM disks. local-btrfs
hypervisor_url URL/IP address for the hypervisor interface. 192.168.0.2
hypervisor_username Username for hypervisor authentication. root@pam
install_drive Drive where the system will be installed. /dev/sda
install_type Type of installation. virtual, physical
vlan_name (optional) VLAN for the VM's network interface. vlan100

3. Inventory Variables

Inventory variables are defined for individual hosts or VMs in the inventory file, allowing customization of settings such as the operating system, filesystem, and compliance with CIS benchmarks. These variables can be set globally and overridden for specific hosts or VMs.

Variable Description Example Value
cis (optional) Adjusts the installation to be CIS level 3 conformant. true, false
filesystem Filesystem type for the VM's primary storage. btrfs, ext4, xfs
hostname The hostname assigned to the virtual machine or system. vm01
os Operating system to be installed on the VM. archlinux, almalinux, debian11, debian12, fedora, rocky, ubuntu, ubuntu-lts
root_password Root password for the VM or system, used for initial setup or secure access. SecurePass123
user_name Username for a user account within the VM, often used with cloud-init. adminuser
user_password Password for the user account within the VM. UserPass123
vm_ballo (optional) Ballooning memory size for the VM, used to adjust memory allocation dynamically. 2048
vm_cpus Number of CPU cores assigned to the virtual machine. 4
vm_dns DNS server IP address(es) for the virtual machine's network configuration. 1.0.0.1, 1.1.1.1
vm_gw Default gateway IP address for the virtual machine's network configuration. 192.168.0.1
vm_id Unique identifier for the virtual machine. 101
vm_ip IP address assigned to the virtual machine. 192.168.0.10
vm_memory Amount of memory (in MB) allocated to the virtual machine. 2048
vm_nif Network interface type or identifier for the VM's network connection. vmbr0
vm_path (optional) Path or folder where the VM configuration or related files will be stored. /var/lib/libvirt/images/
vm_size Disk size allocated for the VM's primary storage (in GB). 20

4. How to Use the Playbook

4.1 Prerequisites

Before running the playbook, ensure you have Ansible installed and configured correctly, and your inventory file is set up with the target systems defined.

4.2 Running the Playbook

Execute the playbook using the ansible-playbook command, ensuring that all necessary variables are defined, typically by specifying a vars.yml file containing the required configurations.

4.3 Example Usage

An effective way to use the playbook involves defining all necessary configurations within a vars.yml file. This file should include all relevant global variables tailored to your specific deployment requirements. Additionally, you should prepare an inventory file (inventory.yml) that lists all the hosts along with any specific inventory variables they might need. Then, you can run the playbook as follows:

ansible-playbook -i inventory.yml -e @vars.yml main.yml

This command prompts Ansible to execute the main.yml playbook, applying configurations defined in both vars.yml and the inventory file.