ec2-k3s

Provision a k3s Cluster in AWS

ec2-k3s can be used to:

• Provision AWS infrastructure

  • ec2 instance
  • security group
  • ssh keypair

• Create k3s cluster on the ec2 instance

Prerequisites

• Go

• Pulumi CLI

  • Logged in to a state backend

• AWS CLI

  • Configured to interact with an AWS account

• SSH keypair at ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub

  • Can be generated by using ssh-keygen and following the prompts

Default Configuration

• Ubuntu 22.04 LTS AMI for the ec2 instance

• Security group

  • Ingress rules

    • All ports and protocols allowed from workstation IP address only

  • Egress rules

    • All ports and protocols allowed to any IP address

• SSH keypair uses local SSH public key at ~/.ssh/id_rsa.pub

Usage

Clone the repository and change directories into it

git clone https://github.com/lucasrod16/ec2-k3s.git && cd ec2-k3s

List Makefile targets

make help

Build from source

The build step outputs the binary in the current working directory

make build

It can be executed by referencing it as ./ec2-k3s

Create a config file

The config file can be YAML or JSON

The region and instanceType fields are required

To view a full list of instance type options, see here

region: us-east-1
instanceType: t2.micro

Provision a k3s cluster in AWS

./ec2-k3s up -f config.yaml

Teardown AWS infrastructure and k3s cluster

./ec2-k3s down -f config.yaml