kubectl-link

kubectl-link is a kubectl plugin that allows you to access your pods and services without vpn or manually setting up port forwarding.

• It creates a tun device on your machine to route traffic to your kubernetes cluster with automatically setting port forwarding based your network connections.
• !! It's still new and experimental. Please use it with caution.
• !! Works only on MacOS for now.

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Installation (krew)

• Install krew (https://krew.sigs.k8s.io/docs/user-guide/setup/install/)
• kubectl krew install link

Installation (go install)

go install github.com/umutbasal/kubectl-link@latest

Usage

sudo kubectl link

Visit your pods and services through your browser or curl

curl http://nginx.default.svc.cluster.local
curl http://172.17.1.1

refs

• https://github.com/xjasonlyu/tun2socks
• https://github.com/google/gvisor
• https://git.zx2c4.com/wireguard-go

Known Issues

• Dns proxy server start problem udp 53 already used.
  • This is known isse for macs if you have a local dns server like mDNSResponder or using vpn clients like Cloudflare Warp.
  • You can try to solve by stopping docker daemon, or virtual machine managers or disabling Internet Sharing feature for macbooks.
  • Reference: https://developers.cloudflare.com/cloudflare-one/connections/connect-devices/warp/troubleshooting/client-errors/#cf_dns_proxy_failure