traefik-playground

Demonstrating how to setup Traefik on a k3s cluster using arkade and k3d.

This is just a learning playground

Install k3d

k3d is a little helper to run k3s in docker, where k3s is the lightweight Kubernetes distribution by Rancher. It actually removes millions of lines of code from k8s. If you just need a learning playground, k3s is definitely your choice.

Check out k3d Github Page to see the installation guide.

When creating a cluster, k3d utilises kubectl and kubectl is not part of k3d. If you don’t have kubectl, please install and set up here.

Once you’ve installed k3d and kubectl, run

k3d create -n traefik-playground

INFO[0000] Created cluster network with ID 9f3c0c8caf0712b7f59970afd3c5db8159362b6ea34c84788f57b8e41a9011b3
INFO[0000] Created docker volume  k3d-traefik-playground-images
INFO[0000] Creating cluster [traefik-playground]
INFO[0000] Creating server using docker.io/rancher/k3s:v1.0.1...
INFO[0004] SUCCESS: created cluster [traefik-playground]
INFO[0004] You can now use the cluster with:
export KUBECONFIG="$(k3d get-kubeconfig --name='traefik-playground')"
kubectl cluster-info

Run k3d list to make sure the status is running.

+--------------------+------------------------------+---------+---------+
|        NAME        |            IMAGE             | STATUS  | WORKERS |
+--------------------+------------------------------+---------+---------+
| traefik-playground | docker.io/rancher/k3s:v1.0.1 | running |   0/0   |
+--------------------+------------------------------+---------+---------+

We need to make kubectl to use the kubeconfig for that cluster.

export KUBECONFIG="$(k3d get-kubeconfig --name='traefik-playground')"

Install arkade

Moving on to arkade, it provides a simple Golang CLI with strongly-typed flags to install charts and apps to your cluster in one command. Originally, the codebase is derived from k3sup which I’ve contributed last month.

curl -sLS https://dl.get-arkade.dev | sudo sh

Once you’ve installed it, you should see the following

New version of arkade installed to /usr/local/bin
            _             _
  __ _ _ __| | ____ _  __| | ___
 / _` | '__| |/ / _` |/ _` |/ _ \
| (_| | |  |   < (_| | (_| |  __/
 \__,_|_|  |_|\_\__,_|\__,_|\___|
Get Kubernetes apps the easy way
Version: 0.2.2
Git Commit: 9063b6eb16deae5978805f71b0e749828c815490

arkade currently does not support non-existing namespace for traefik. Create the namespace first.

kubectl create namespace traefik-playground

Install Traefik with dashboard via arkade. You can use an alias ark or arkade.

arkade install traefik2 --dashboard -n traefik-playground

Using kubeconfig: /Users/wingkwong/.config/k3d/traefik-playground/kubeconfig.yaml
Client: "Darwin"
"traefik" has been added to your repositories
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "traefik" chart repository
...Successfully got an update from the "openfaas" chart repository
...Successfully got an update from the "stable" chart repository
Update Complete. ⎈ Happy Helming!⎈
VALUES values.yaml
Command: /Users/wingkwong/.arkade/bin/helm3/helm [upgrade --install traefik traefik/traefik --namespace traefik-playground --values /var/folders/v3/24stf97d7nv35j_9vwppqzy00000gp/T/charts/traefik/values.yaml --set service.type=LoadBalancer --set additional.checkNewVersion=false --set additional.sendAnonymousUsage=false --set dashboard.ingressRoute=true --set additionalArguments={--providers.kubernetesingress}]
Release "traefik" does not exist. Installing it now.
NAME: traefik
LAST DEPLOYED: Mon Apr 20 17:41:21 2020
NAMESPACE: traefik-playground
STATUS: deployed
REVISION: 1
TEST SUITE: None
=======================================================================
=                  traefik2 has been installed                        =
=======================================================================
 Thanks for using arkade!# Get started at: https://docs.traefik.io/v2.0/
# Install with an optional dashboard
arkade install traefik2 --dashboard
# Find your LoadBalancer IP:
kubectl get svc -n kube-system traefik

Check out the traefik service

kubectl get svc -n traefik-playground traefik

Forwarding from [::1]:8082 -> 8080

kubectl port-forward svc/traefik 8082:80 -n traefik-playground &

Currently there are some issues with the dashboard. Reported to arkade team and pending for a fix.

Clean up

k3d delete -n traefik-playground