- Automated scripts to provision a Kubernetes cluster on the Azure cloud, based on Terraform and Ansible.
- These scripts provision a Kubernetes cluster. The Kubernetes cluster has 1 master VMs and 2 node VMs, these numbers can also be configured when launching the Terraform script.
-
Instructions for installing Docker on Ubuntu:
https://docs.docker.com/install/linux/docker-ce/ubuntu/#set-up-the-repository
Authenticating a service principal with Azure Resource Manager.
- Export credentials through environment variables:
$ export AZURE_CLIENT_ID = "YOUR_AZURE_CLIENT_ID"
$ export AZURE_CLIENT_SECRET = "YOUR_AZURE_CLIENT_SECRET"
$ export AZURE_SERVICE_PRINCIPAL = "YOUR_AZURE_SERVICE_PRINCIPAL"
$ export AZURE_SUBSCRIPTION_ID = "YOUR_AZURE_SUBSCRIPTION_ID"
$ export AZURE_TENANT_ID = "YOUR_AZURE_TENANT_ID"- Cleaning the environment:
$ make clean- Create the environment for execution:
$ make setup- Initialize a working directory containing Terraform configuration files:
$ make terraform-init- Create an execution plan:
$ make terraform-plan- Building the Infrastructure:
$ make terraform-apply- Create a hosts file containing inventory information such as the IP addresses from Terraform output:
$ make ansible-inventory- Execute the master playbook:
$ make ansible-playbook | File | Content |
|---|---|
| variables.tf | Configure Azure Provider as well as declare all the variables that we will use in all our Terraform configurations. |
| var_values.tfvars | Assign values to variables. Terraform automatically loads them to populate variables. |
| networks.tf | Instructions for creating the entire network infrastructure of the project. In this file the main VNET is created, the routes and the subnets for the VMs. |
| storage.tf | Storage account with a container to store VHDs of Virtual Machines. |
| security_group.tf | This file contains inbound and outbound rules for traffic flow. |
| vm-.tf | Terraform configuration to provision the VMs. |
| pip_nic.tf | Public IP address to connect to the VMs from the internet. |
| ansible-inventory.sh | Creates Ansible inventory from Terraform output. |
| File | Content |
|---|---|
| 1-dependencies.yml | Installing Kubernetes' Dependencies. |
| 2-master.yml | Setting Up the Master Node. |
| 3-workers.yml | Setting Up the Worker Nodes. |
| hosts | Host inventories. |
| list.yml | Master playbook. The plays and tasks in each playbook listed will be run in the order they are listed. |
- Contact
E-mail: [email protected]
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