中文说明

This solution allows you to access your minikube's internal networks directly from your macOS host machine, using OpenVPN.

Networking features at Docker Desktop for Mac

there is some Known limitations at docker for mac reference here

Quickstart

To access your Minikube networks:

Install Tunnelblick (open source macOS OpenVPN client that sits in your menubar)
Run docker-compose up. The first time it will take up to a minute to startup, because it needs to generate keys.
Doubleclick the generated minikube-for-mac.ovpn in Finder (or run open minikube-for-mac.ovpn in your terminal) to add it to Tunnelblick. You will find it in the current folder.
In Tunnelblick, connect to your new minikube-for-mac profile.

You will now be able to access the internal minikube networks from macOS.

Implementation notes

The Compose configuration consists of two services, both based on the tiny Alpine Linux distribution.

openvpn

The OpenVPN image used is kylemanna/openvpn.

Both server-side and client-side configuration are automatically generated by helpers/run.sh, which calls the helper scripts in original image and adjust configuration for accessing the Docker for Mac networks only.

This service runs on TCP port 1194 using host networking, which means it has access to all Docker networks in the host VM.

Only the 192.168.49.0/24 private network is routed to Docker for Mac by the generated config. No DNS servers are set on the host.

The OpenVPN configuration (/etc/openvpn/*) is stored locally in ./config/ so that it survives Docker filesystem resets and allows for easy customization.

proxy

Since containers running in host networking mode in Docker for Mac cannot bind ports to make them accessible from macOS, we need an extra TCP proxy. This image uses socat to forward port 13194 to the OpenVPN container.

Tips

Add restart: always to both services in docker-compose.yml to have them automaticaly restart.
To route extra subnets, add extra route statements in your minikube-for-mac.ovpn
To setup static IP addresses for containers, check the app_net examples in the Compose file reference
To regenerate all files, remove config/* and minikube-for-mac.ovpn

License

yuzhaopeng/minikube-mac-network

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