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Add common base box support and update documentation
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‎README.md‎

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@@ -44,7 +44,19 @@ vagrant box add generic/debian12 --provider=libvirt
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### Build Base Box with Packer
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Choose which Kubernetes distribution you want to use:
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First, build the common base box:
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```bash
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# Build the common base box
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./build-base-box.sh common
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```
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This command will:
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1. Download the Debian 12 base box
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2. Install system updates and required packages
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3. Package the resulting VM into a new Vagrant box called "common-base"
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Then, choose which Kubernetes distribution you want to use:
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```bash
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# For standard Kubernetes (k8s)
@@ -62,11 +74,10 @@ Choose which Kubernetes distribution you want to use:
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This command will:
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1. Download the Debian 12 base box
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2. Install system updates and required packages
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3. Install containerd container runtime
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4. Install the selected Kubernetes distribution
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5. Package the resulting VM into a new Vagrant box
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1. Use the common base box as a starting point
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2. Install containerd container runtime
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3. Install the selected Kubernetes distribution
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4. Package the resulting VM into a new Vagrant box
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### Create the Virtual Machines and Provision the Kubernetes Cluster
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@@ -137,6 +148,10 @@ When you're done experimenting, you can destroy all VMs:
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### Remove Base Boxes
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```bash
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# Remove common base box
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vagrant box remove common-base
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rm -rf output-common-base
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# For standard Kubernetes (k8s)
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vagrant box remove k8s-base
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rm -rf output-k8s-base

‎build-base-box.sh‎

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Original file line numberDiff line numberDiff line change
@@ -4,30 +4,46 @@ set -e # Exit immediately if a command exits with non-zero status
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# Check if distribution is provided
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if [ -z "$1" ]; then
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echo "Usage: $0 <distribution> [version]"
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echo " distribution: k8s, k3s, or k0s"
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echo " version: Optional version override (default: uses version in packer config)"
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echo " distribution: common, k8s, k3s, or k0s"
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echo " version: Optional version override for k8s/k3s/k0s (default: uses version in packer config)"
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exit 1
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fi
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DISTRIBUTION=$1
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VERSION=$2
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# Validate distribution
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if [[ ! "$DISTRIBUTION" =~ ^(k8s|k3s|k0s)$ ]]; then
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echo "Error: Distribution must be k8s, k3s, or k0s"
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if [[ ! "$DISTRIBUTION" =~ ^(common|k8s|k3s|k0s)$ ]]; then
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echo "Error: Distribution must be common, k8s, k3s, or k0s"
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exit 1
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fi
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# Check if building a distribution-specific box and common box exists
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if [[ "$DISTRIBUTION" != "common" ]]; then
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# Check if common-base box exists
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if ! vagrant box list | grep -q "common-base"; then
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echo "Error: common-base box not found. Please build it first with: $0 common"
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exit 1
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fi
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fi
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echo "Building $DISTRIBUTION base box..."
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# Init packer
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packer init "packer/$DISTRIBUTION-base-box.pkr.hcl"
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# Build base box with optional version override
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if [ -z "$VERSION" ]; then
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packer build -force "packer/$DISTRIBUTION-base-box.pkr.hcl"
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if [[ "$DISTRIBUTION" == "common" ]]; then
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packer init "packer/common-base-box.pkr.hcl"
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# Build common base box (no version parameter needed)
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packer build -force "packer/common-base-box.pkr.hcl"
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else
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packer build -force -var "version=$VERSION" "packer/$DISTRIBUTION-base-box.pkr.hcl"
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packer init "packer/$DISTRIBUTION-base-box.pkr.hcl"
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# Build distribution-specific base box with optional version override
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if [ -z "$VERSION" ]; then
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packer build -force "packer/$DISTRIBUTION-base-box.pkr.hcl"
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else
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packer build -force -var "version=$VERSION" "packer/$DISTRIBUTION-base-box.pkr.hcl"
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fi
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fi
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echo "$DISTRIBUTION base box built successfully!"

‎common/common-base-playbook.yml‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,6 @@
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---
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- hosts: all
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become: true
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tasks:
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- name: "Update, upgrade, and restart instance"
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ansible.builtin.include_tasks: "{{ playbook_dir }}/includes/base-update-upgrade-reboot.yml"

‎generate-packer-configs.sh‎

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Original file line numberDiff line numberDiff line change
@@ -47,11 +47,21 @@ generate_packer_config() {
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# Replace placeholders in template
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sed -e "s/{{ distribution }}/$dist/g" \
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-e "s/{{ version }}/$version/g" \
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packer/base-box.template.pkr.hcl > "packer/$dist-base-box.pkr.hcl"
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packer/distribution-base-box.template.pkr.hcl > "packer/$dist-base-box.pkr.hcl"
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echo "Generated packer/$dist-base-box.pkr.hcl"
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}
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# Function to generate common base box configuration
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generate_common_base_config() {
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echo "Generating Packer configuration for common base box..."
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# Copy the template directly (no replacements needed)
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cp packer/common-base-box.template.pkr.hcl packer/common-base-box.pkr.hcl
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echo "Generated packer/common-base-box.pkr.hcl"
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}
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# Get latest stable versions for each distribution
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K8S_VERSION=$(fetch_latest_k8s_version)
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K3S_VERSION=$(fetch_latest_k3s_version)
@@ -62,6 +72,9 @@ echo "- k8s: $K8S_VERSION"
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echo "- k3s: $K3S_VERSION"
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echo "- k0s: $K0S_VERSION"
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# Generate common base box configuration
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generate_common_base_config
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# Generate Packer configurations for each distribution
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generate_packer_config "k8s" "$K8S_VERSION"
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generate_packer_config "k3s" "$K3S_VERSION"

‎packer/common-base-box.pkr.hcl‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
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packer {
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required_plugins {
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vagrant = {
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version = "~> 1"
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source = "github.com/hashicorp/vagrant"
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}
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ansible = {
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version = "~> 1"
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source = "github.com/hashicorp/ansible"
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}
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}
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}
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source "vagrant" "common-base" {
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provider = "libvirt"
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communicator = "ssh"
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source_path = "generic/debian12"
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add_force = true
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box_name = "common-base"
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}
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build {
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sources = ["source.vagrant.common-base"]
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provisioner "ansible" {
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playbook_file = "./common/common-base-playbook.yml"
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user = "vagrant"
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use_proxy = false
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}
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}

‎packer/common-base-box.template.pkr.hcl‎

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@@ -0,0 +1,30 @@
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packer {
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required_plugins {
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vagrant = {
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version = "~> 1"
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source = "github.com/hashicorp/vagrant"
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}
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ansible = {
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version = "~> 1"
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source = "github.com/hashicorp/ansible"
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}
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}
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}
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source "vagrant" "common-base" {
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provider = "libvirt"
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communicator = "ssh"
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source_path = "generic/debian12"
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add_force = true
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box_name = "common-base"
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}
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build {
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sources = ["source.vagrant.common-base"]
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provisioner "ansible" {
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playbook_file = "./common/common-base-playbook.yml"
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user = "vagrant"
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use_proxy = false
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}
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}

‎packer/distribution-base-box.template.pkr.hcl‎

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@@ -0,0 +1,44 @@
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packer {
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required_plugins {
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vagrant = {
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version = "~> 1"
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source = "github.com/hashicorp/vagrant"
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}
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ansible = {
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version = "~> 1"
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source = "github.com/hashicorp/ansible"
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}
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}
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}
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variable "distribution" {
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type = string
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default = "{{ distribution }}"
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}
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variable "version" {
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type = string
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default = "{{ version }}"
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}
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source "vagrant" "{{ distribution }}-base" {
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provider = "libvirt"
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communicator = "ssh"
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source_path = "common-base" # Use common-base box instead of generic/debian12
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add_force = true
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box_name = "{{ distribution }}-base"
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}
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build {
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sources = ["source.vagrant.{{ distribution }}-base"]
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provisioner "ansible" {
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playbook_file = "./{{ distribution }}/base-playbook.yml"
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user = "vagrant"
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use_proxy = false
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extra_arguments = [
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"--extra-vars", "{{ distribution }}_version=${var.version}"
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]
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}
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}

‎packer/k0s-base-box.pkr.hcl‎

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Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ variable "version" {
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source "vagrant" "k0s-base" {
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provider = "libvirt"
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communicator = "ssh"
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source_path = "generic/debian12"
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source_path = "common-base" # Use common-base box instead of generic/debian12
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add_force = true
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box_name = "k0s-base"
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}

‎packer/k3s-base-box.pkr.hcl‎

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Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ variable "version" {
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source "vagrant" "k3s-base" {
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provider = "libvirt"
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communicator = "ssh"
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source_path = "generic/debian12"
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source_path = "common-base" # Use common-base box instead of generic/debian12
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add_force = true
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box_name = "k3s-base"
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}

‎packer/k8s-base-box.pkr.hcl‎

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Original file line numberDiff line numberDiff line change
@@ -24,7 +24,7 @@ variable "version" {
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source "vagrant" "k8s-base" {
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provider = "libvirt"
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communicator = "ssh"
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source_path = "generic/debian12"
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source_path = "common-base" # Use common-base box instead of generic/debian12
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add_force = true
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box_name = "k8s-base"
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}

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