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Last pushed: 4 months ago
Short Description
Easily create an OpenVPN network with Docker.
Full Description

Easy Docker VPN

Manage a Docker based OpenVPN instance with ease.

Overview

easy_docker_vpn is a script that manages an instance of OpenVPN running inside of a Docker container. The image that it uses is kylemanna/openvpn (source here). Here is what the VPN uses:

  • ovpn-data - a volume for /etc/openvpn
  • openvpn - the container that uses the ovpn-data volume and runs the actual VPN process

Migration to volume

NOTE: previous versions of this application used an ovpn-data container instead of a volume. If a container is detected, it will continue to be used.

To migrate from the old container mode to the new volume mode is as simple as a backup and restore:

$ easy_docker_vpn backup > temp_backup.tgz
$ easy_docker_vpn destroy
$ easy_docker_vpn restore temp_backup.tgz

Getting Started

Set up

Local install

  1. Clone this repository. Be sure to clone with submodules (git clone --recursive ...).
  2. Run the following: eval "$(./easy-docker-vpn/bin/easy_docker_vpn init -)". Put this in your shell initialization for future use.

Via Docker

  1. Pull the image: docker pull mediatemple/easy-docker-vpn.
  2. Extract the wrapper: docker run --rm -i mediatemple/easy-docker-vpn cat /wrapper > easy_docker_vpn && chmod +x easy_docker_vpn

Create a VPN

Default:

$ easy_docker_vpn create -u udp://vpn.domain.com

Push an extra route:

$ easy_docker_vpn create -u udp://vpn.domain.com -p 'route 172.17.0.0 255.255.255.0' -p "route 10.1.0.0 255.255.0.0"

Create a VPN that doesn't route all traffic by default:

$ easy_docker_vpn create -N -d -u udp://vpn.domain.com

All available options are found by running docker run --rm -it kylemanna/openvpn ovpn_genconfig -h:

$ docker run --rm -it kylemanna/openvpn ovpn_genconfig -h
Invalid option: -h
usage: /usr/local/bin/ovpn_genconfig [-d]
                  -u SERVER_PUBLIC_URL
                 [-e EXTRA_SERVER_CONFIG ]
                 [-f FRAGMENT ]
                 [-n DNS_SERVER ...]
                 [-p PUSH ...]
                 [-r ROUTE ...]
                 [-s SERVER_SUBNET]

optional arguments:
 -2    Enable two factor authentication using Google Authenticator.
 -a    Authenticate  packets with HMAC using the given message digest algorithm (auth).
 -c    Enable client-to-client option
 -C    A list of allowable TLS ciphers delimited by a colon (cipher).
 -d    Disable NAT routing and default route
 -D    Do not push dns servers
 -m    Set client MTU
 -N    Configure NAT to access external server network
 -t    Use TAP device (instead of TUN device)
 -T    Encrypt packets with the given cipher algorithm instead of the default one (tls-cipher).
 -z    Enable comp-lzo compression.

Issue certificate and configuration

To create a user and accompanying configuration file:

$ easy_docker_vpn issue bob

To create without a password:

$ easy_docker_vpn issue bob nopass

Other Tasks

Each command has help text as well as examples. For instance, to see the help for easy_docker_vpn create, run this command: easy_docker_vpn help create.

VPN Tasks

Task Command
Create VPN easy_docker_vpn create ...
Backup VPN Data easy_docker_vpn backup ...
Restore from Backup easy_docker_vpn restore ...
Destroy VPN easy_docker_vpn destroy
Restart VPN easy_docker_vpn restart
VPN Status easy_docker_vpn status
VPN Management Port easy_docker_vpn management

User Tasks

Task Command
Issue User Certificate and Config easy_docker_vpn issue ...
List Users easy_docker_vpn list
Revoke User Access easy_docker_vpn revoke ...
Docker Pull Command
Owner
mediatemple
Source Repository

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