kubernetes on openstack

Openstack image that is kubeadm ready for user-data.

Take advantage of Glance to build images to launch kubernetes quicky!

How to use

Create a base OS image (examples prepared use ubuntu)

Get an ubuntu image wget https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img
Convert to raw qemu-img convert -f qcow2 -O raw ./bionic-server-cloudimg-amd64.img.2 ./bionic-server-cloudimg-amd64.raw
Create the image openstack image create --disk-format raw --container-format bare --file ./bionic-server-cloudimg-amd64.raw ubuntu-18.04

Genereate the k8s images

cd packer/k8s-base
Adjust the config.json's source_image property to the image ID generated from the ubuntu-18.04 image
Adjust the config.json's other properties to match your cloud, such as the identity endpoint
Set and auth variables within file or as env vars in accordance with the documentation
run packer build config.json

Deploy with terraform (WIP)

Call the template at https://github.com/sfxworks/kubernetes-on-openstack/blob/master/terraform
Fill in all values
Launch the deployment

You're set!

Your environment is ready!

Tip, you can set userdata for your master/worker nodes for quick launches, such as kubeadm init and kubeadm join. Note the bootstrapTokens in the kubeadm-config.yaml file.

##TODO

Dynamically configure everything via terraform ~~heat~~
kubectl plugin for quick installs/boostrap
include/incorperate git version control of cluster such as fluxctl

sfxworks/kubernetes-on-openstack

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