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Last pushed: 2 months ago
Short Description
ZeroTier One for container-oriented distributions like CoreOS (but will run anywhere with Docker)
Full Description

zerotier-docker

Description

This is a container with a lightweight Alpine Linux image and a copy of ZeroTier One built for that image. It's designed to allow you to run ZeroTier One as a service on container-oriented distributions like CoreOS, though it should work on any Linux system with Docker.

Run

To run this container in the correct way requires some special options to give it special permissions and allow it to persist its files. Here's an example (tested on CoreOS):

docker run --name zerotier-one --device=/dev/net/tun --net=host \
  --cap-add=NET_ADMIN --cap-add=SYS_ADMIN \
  -v /var/lib/zerotier-one:/var/lib/zerotier-one zyclonite/zerotier

This runs zyclonite/zerotier in a container with special network admin permissions and with access to the host's network stack (no network isolation) and /dev/net/tun to create tun/tap devices. This will allow it to create zt# interfaces on the host the way a copy of ZeroTier One running on the host would normally be able to.

In other words that basically does the same thing that running zerotier-one directly on the host would do, except it runs in a container. Since CoreOS has no package management this is the preferred way of distributing software for it.

It also mounts /var/lib/zerotier-one to /var/lib/zerotier-one inside the container, allowing your service container to persist its state across restarts of the container itself. If you don't do this it'll generate a new identity every time. You can put the actual data somewhere other than /var/lib/zerotier-one if you want.

To join a zerotier network you can use

docker exec zerotier-one /zerotier-cli join 8056c2e21c000001

or create an empty file with the network as name

/var/lib/zerotier-one/networks.d/8056c2e21c000001.conf

Source

https://github.com/zyclonite/zerotier-docker

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Owner
zyclonite