Created
June 6, 2021 18:04
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Terraform code - 1
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| terraform { | |
| backend "local" { | |
| path = "state/terraform.tfstate" | |
| } | |
| required_providers { | |
| aws = { | |
| source = "hashicorp/aws" | |
| version = "~> 3.0" | |
| } | |
| } | |
| } | |
| # Configure the AWS Provider | |
| # Credentials and default region are set on envrionment variables | |
| provider "aws" {} | |
| # Setting up master node | |
| resource "aws_instance" "kube_master" { | |
| ami = "ami-02e2a5679226e293c" # ID of default Debian 10 ami (64-bit|x86) | |
| instance_type = "t2.micro" # To keep it free tier eligible we will be using t2.micro | |
| tags = { | |
| Name = "kube-master" | |
| } | |
| key_name = "k8s-lab" | |
| provisioner "remote-exec" { | |
| connection { | |
| host = self.public_ip | |
| user = "admin" | |
| private_key = file("~/.ssh/k8s-lab.pem") | |
| } | |
| inline = ["echo 'Instance ${self.public_dns} is up!'"] | |
| } | |
| provisioner "local-exec" { | |
| command = "ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -T 300 -i '${self.public_ip},' --extra-vars 'private_ip=${self.private_ip} hostname=${split(".", self.private_dns)[0]}' --private-key ~/.ssh/k8s-lab.pem ../kube-setup/master-playbook.yml" | |
| } | |
| } | |
| # Setting up worker nodes | |
| resource "aws_instance" "kube_worker" { | |
| depends_on = [aws_instance.kube_master] | |
| count = 2 | |
| ami = "ami-02e2a5679226e293c" # ID of default Debian 10 ami (64-bit|x86) | |
| instance_type = "t2.micro" # minimum requirement for kubernetes is 2 cpus and 2 gb of ram wich would be a chargeable EC2, so we will try the micro anyways | |
| tags = { | |
| Name = "KubeWorker" | |
| } | |
| key_name = "k8s-lab" | |
| provisioner "remote-exec" { | |
| connection { | |
| host = self.public_ip | |
| user = "admin" | |
| private_key = file("~/.ssh/k8s-lab.pem") | |
| } | |
| inline = ["echo 'Instance ${self.public_dns} is up!'"] | |
| } | |
| provisioner "local-exec" { | |
| command = "ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -T 300 -i '${self.public_ip},' --private-key ~/.ssh/k8s-lab.pem ../kube-setup/node-playbook.yml" | |
| } | |
| } |
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