71 lines
1.3 KiB
Markdown
71 lines
1.3 KiB
Markdown
# Docker Node Support
|
|
|
|
## Overview
|
|
|
|
Provided below is some information for helping setup and use Docker
|
|
nodes within a CORE scenario.
|
|
|
|
## Installation
|
|
|
|
### Debian Systems
|
|
|
|
```shell
|
|
sudo apt install docker.io
|
|
```
|
|
|
|
### RHEL Systems
|
|
|
|
## Configuration
|
|
|
|
Custom configuration required to avoid iptable rules being added and removing
|
|
the need for the default docker network, since core will be orchestrating
|
|
connections between nodes.
|
|
|
|
Place the file below in **/etc/docker/docker.json**
|
|
|
|
```json
|
|
{
|
|
"bridge": "none",
|
|
"iptables": false
|
|
}
|
|
```
|
|
|
|
## Group Setup
|
|
|
|
To use Docker nodes within the python GUI, you will need to make sure the
|
|
user running the GUI is a member of the docker group.
|
|
|
|
```shell
|
|
# add group if does not exist
|
|
sudo groupadd docker
|
|
|
|
# add user to group
|
|
sudo usermod -aG docker $USER
|
|
|
|
# to get this change to take effect, log out and back in or run the following
|
|
newgrp docker
|
|
```
|
|
|
|
## Image Requirements
|
|
|
|
Images used by Docker nodes in CORE need to have networking tools installed for
|
|
CORE to automate setup and configuration of the network within the container.
|
|
|
|
Example Dockerfile:
|
|
|
|
```
|
|
FROM ubuntu:latest
|
|
RUN apt-get update
|
|
RUN apt-get install -y iproute2 ethtool
|
|
```
|
|
|
|
Build image:
|
|
|
|
```shell
|
|
sudo docker build -t <name> .
|
|
```
|
|
|
|
## Tools and Versions Tested With
|
|
|
|
* Docker version 18.09.5, build e8ff056
|
|
* nsenter from util-linux 2.31.1
|