nemslab/External-DNS

Rancher and Domain Name Custimization

In this tutorial, we will introduce layer-7 load-balancing( external-DNS + DNS provider(BIND9) + Nginx ingress controller ).

Environment

OS: Ubuntu 18.04.5 LTS (Bionic Beaver)

Docker: Docker Engine - Community (or Enterprise) v19.0.13

Kubernetes: MicroK8s v1.9.3 or other kubernetes engine

Usage

You can follow the tutorial on external-dns official website or use the configuration files we provided in this repository.

BIND configuration

• install bind9

sudo apt install -y bind9

• use our configuration file or wirte one for your own setting
• put etc_bind files to /etc/bind
• put var_cache_bind files to /var/cache/bind, and set owner to bind

$ sudo chown -R bind:bind /var/cache/bind

• start bind9

$ sudo service bind9 start

Install External-DNS

• Download the yaml file in the official website and apply that yaml file to microk8s or use our yaml file.

Nginx ingress controller

• enable ingress on microk8s

microk8s enable ingress

• set --publish-status-address to your DNS server IP address

kubectl edit daemonset.apps/nginx-ingress-microk8s-controller -n ingress

• we also provide yaml file for ingress

Contact Us

• project link: MEC Middlebox
• You are very welcome to report bugs, ask questions, or/and request supports. If there are any, please contact us via nems@g2.nctu.edu.tw.