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Kubernetes on Scaleway with Rancher and Terraform

Deploy Rancher and Kubernetes on Scaleway using Terraform (with DNS on Cloudflare).

This terraform is based on the DO quickstart deployment of Rancher

Overview

overview

Prerequisites

Jump Start

!!WARNING!! This will deploy resources to Scaleway and be sure that they are going to cost you money.

Set up the tfvars

rancherserver/terraform.tfvars

Be sure to set the following variables:

  • scw_access_key
    • Your Scaleway Access Key
  • scw_token
    • Your Scaleway Secret Token
  • scw_org
    • Your Scaleway Organization ID
  • admin_password
    • The password you're going to use for the Rancher Server
  • rancher_server_url
    • The URL you will use for your Rancher Server. This terraform is going to setup a rancher subdomain to your cloudflare zone. So if your zone is example.com , this terraform will create an A record to resolve rancher.example.com .
  • cloudflare_email
    • Your Email for Cloudflare
  • cloudflare_api_key
    • Your Cloudflare API Key
  • cloudflare_zone_id
    • Your Cloudflare zone ID

rancheragent/terraform.tfvars

Be sure to set the following variables:

  • rancher_server_address
    • The address for your Rancher Server. It can either be an IP or domain name but I would recommend the domain name you set previously.
  • count_agent_all_nodes
    • This is how many nodes to create that have all the roles(etcd, controlplae, worker). If you're just experimenting with the Kubernetes cluster, having one of this will be enough.
  • count_agent_etcd_nodes
    • This is how many nodes to create that have the etcd role
  • count_agent_controlplane_nodes
    • This is how many nodes to create that have the controlplane role
  • count_agent_worker_nodes
    • This is how many nodes to create that have the worker role

Deploy the Rancher Server resources

cd rancherserver
terraform apply

Deploy the Rancher Agent resources

cd rancheragent
terraform apply

Check it out

rancher

k8scluster

Clean up

Destroy the Rancher Agent and related resources

cd rancheragent
terraform destroy

Destroy the Rancher Server and related resources

cd rancherserver
terraform destroy