Private Internet Access Docker (OpenVPN, Alpine)

Docker VPN client to private internet access servers based on Alpine Linux and OpenVPN

It requires:

A Private Internet Access username and password - Sign up
Docker installed on the host

The PIA configuration files are downloaded from the PIA website when the Docker image gets built.

Installation & Testing

Run the tun.sh script on your host machine to ensure you have the tun device setup

wget https://raw.githubusercontent.com/qdm12/private-internet-access-docker/master/tun.sh
sudo chmod +x tun.sh
./tun.sh

Create a file auth.conf in /yourhostpath (for example), with:
- On the first line: your PIA username (i.e. js89ds7)
- On the second line: your PIA password (i.e. 8fd9s239G)

Using Docker only

Test the container by connecting another container to it
1. Run the container interactively with (and change /yourhostpath/auth.conf):
```
docker run --rm --name=piaTEST --cap-add=NET_ADMIN \
--device=/dev/net/tun --dns 209.222.18.222 --dns 209.222.18.218 \
-e 'REGION=Germany' -v '/yourhostpath/auth.conf:/pia/auth.conf:ro' \
qmcgaw/private-internet-access
```
  Wait about 5 seconds for it to connect to the PIA server.
2. Check your host IP address with:
```
curl -s ifconfig.co
```
3. Run the curl Docker container using your piaTEST container with:
```
docker run --rm --net=container:piaTEST tutum/curl curl -s ifconfig.co
```
  If the displayed IP address appears and is different that your host IP address, your PIA OpenVPN client works !

Run the container as a daemon in the background with (and change the /yourhostpath/auth.conf):

 docker run -d --restart=always --name=pia --cap-add=NET_ADMIN \
 --device=/dev/net/tun --dns 209.222.18.222 --dns 209.222.18.218 \
 -e 'REGION=Germany' -v '/yourhostpath/auth.conf:/pia/auth.conf' \
 qmcgaw/private-internet-access

Using Docker Compose

Download docker-compose.yml
Edit it and change yourpath
Run the container as a daemon in the background with:
```
 docker-compose up -d
```
Wait about 5 seconds for it to connect to the PIA server.
Check your host IP address with:
```
curl -s ifconfig.co
```
Run the curl Docker container using your pia container with:
```
docker run --rm --net=container:pia tutum/curl curl -s ifconfig.co
```
If the displayed IP address appears and is different that your host IP address, your PIA OpenVPN client works !

Connect other containers to it

Connect other Docker containers to the VPN connection by adding --net=container:pia when launching them.

Container launch parameters

You can change the --name= parameter to anything you like
You can change the REGION= parameter to one of the regions supported by private internet access
You must adapt the /yourhostpath/auth.conf path to your host path where you created auth.conf

Access ports of containers connected to the VPN container

You have to use another container acting as a Reverse Proxy such as Nginx.

Example:

I have a Deluge container connected to the PIA container with --net=container:pia and its WebUI runs on port 8112.

I create the following Nginx configuration file nginx.conf:

user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log  /var/log/nginx/access.log  main;
    sendfile        on;
    keepalive_timeout  65;
    server {
        listen 80;
        location / {
            proxy_pass http://deluge:8112/;
            proxy_set_header X-Deluge-Base "/";
        }
    }
    include /etc/nginx/conf.d/*.conf;
}

I run the Alpine Nginx container with:

sudo docker -d --restart=always --name=proxypia -p 8000:80 --link pia:deluge \
-v /mypathto/nginx.conf:/etc/nginx/nginx.conf:ro nginx:alpine

Now I can access the WebUI of Deluge at localhost:8000
You can add more --link pia:xxx for more containers and you have to modify nginx.conf

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