k3i

Project k3i is a Kubernetes (k0s) installer for ignite VMs.

It is inspired by k3d

Prerequisites

Install CNI plugins

export CNI_VERSION=v1.1.1
export ARCH=$([ $(uname -m) = "x86_64" ] && echo amd64 || echo arm64)
sudo mkdir -p /opt/cni/bin
curl -sSL https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz | sudo tar -xz -C /opt/cni/bin

Stop all running containerd services and run a new one

sudo systemctl stop containerd
sudo killall containerd
sudo killall containerd-shim
sudo killall containerd-shim-runc-v2
sudo containerd -l debug

Installation

go install

go install github.com/mheers/k3i@latest

Usage

k3i create test # create a new cluster
k3i list # list all current clusters
k3i kubeconfig test # get the kubeconfig for a cluster
k3i delete test # delete a cluster

TODO

• add more documentation
• add more tests
• support k3s to justify the project name
• implement delete
• implement kubeconfig
• add a command to download assets
• support air-gapped environments
• download assets to $HOME/.k3i/assets

Alternatives

• https://github.com/innobead/kubefire
• https://github.com/weaveworks/wks-quickstart-firekube