ktunnel

A CLI tool that establishes a reverse tunnel between a kubernetes cluster and your local machine

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Expose your local resources to kubernetes

📝 Table of Contents

• Installation
• About
• Usage
• Documentation
• Authors

🏁 Installation

Distribution	Command / Link
Pre-built binaries for macOS, Linux, and Windows	GitHub releases
Homebrew (macOS and Linux)	brew tap omrikiei/ktunnel && brew install omrikiei/ktunnel/ktunnel
Krew	kubectl krew install tunnel

Building from source

Clone the project

git clone https://github.com/omrikiei/ktunnel; cd ktunnel

Build the binary

CGO_ENABLED=0 go build -ldflags="-s -w"

You can them move it to your bin path

sudo mv ./ktunnel /usr/local/bin/ktunnel

Test the command

ktunnel -h

🧐 About

Ktunnel is a CLI tool that establishes a reverse tunnel between a kubernetes cluster and your local machine. It lets you expose your machine as a service in the cluster or expose it to a specific deployment. You can also use the client and server without the orchestration part. Although ktunnel is identified with kubernetes, it can also be used as a reverse tunnel on any other remote system

Ktunnel was born out of the need to access my development host when running applications on kubernetes. The aim of this project is to be a holistic solution to this specific problem (accessing the local machine from a kubernetes pod). If you found this tool to be helpful on other scenarios, or have any suggesstions for new features - I would love to get in touch.

🎈 Usage

Expose your local machine as a service in the cluster

This will allow pods in the cluster to access your local web app (listening on port 8000) via http (i.e kubernetes applications can send requests to myapp:8000)

ktunnel expose myapp 80:8000
ktunnel expose myapp 80:8000 -r #deployment & service will be reused if exists or they will be created

Inject to an existing deployment

This will currently only work for deployments with 1 replica - it will expose a listening port on the pod through a tunnel to your local machine

ktunnel inject deployment mydeployment 3306

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