Contents

Introduction

This document gives information about how to configure k3s with proxy.

Details

Replace $PROXY_IP with the IP:PORT of the corporate proxy server and $NODE_IP with the IP or CIDR of the server running Kubernetes.

  1. Open the file /etc/systemd/system/k3s.service.env and append the following lines:

    http_proxy="$PROXY_IP"
https_proxy="$PROXY_IP"
no_proxy="$NODE_IP,localhost,127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local"

  2. Restart k3s systemctl restart k3s.service

  3. Go to the Rancher dashboard (blue star) Cluster Management > Clusters and click on Edit Config for your cluster:

    1. Go to Advanced Options:

    2. Configure the following Agent Environment Variables and press Save:

      HTTP_PROXY: $PROXY_IP
HTTPS_PROXY: $PROXY_IP
NO_PROXY: $NODE_IP,localhost,127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16,.svc,.cluster.local

  4. Run the Rancher registration command: kubectl apply -f https://....yaml