Terraform code for "Kubernetes The (real) Hard Way (AWS)"
This little project creates the infrastructure in Terraform for my blog post Kubernetes The (real) Hard Way on AWS.
AWS CDK Python code available 🔗 HERE
You can practice creating a multi node K8s Cluster yourself for training purposes or CKA exam preparation.
Default values - you can adapt all of them to your needs
Name | Description | Type | Default | Required |
---|---|---|---|---|
availability_zones | Number of different AZs to use | number | "3" |
no |
aws_key_pair_name | AWS Key Pair name to use for EC2 Instances (if already existent) | string | "null" |
no |
aws_profile | AWS cli profile (e.g. default ) |
string | "default" |
no |
aws_region | AWS region (e.g. us-east-1 => US North Virginia) |
string | "us-east-1" |
no |
aws_vpc_cidr | VPC CIDR block | string | "10.23.0.0/16" |
no |
bastion_instance_type | EC2 instance type for Bastion Host | string | "t3a.small" |
no |
bastion_max_size | Maximum number of EC2 instances for Bastion AutoScalingGroup | number | "1" |
no |
bastion_min_size | Minimum number of EC2 instances for Bastion AutoScalingGroup | number | "1" |
no |
bastion_size | Desired number of EC2 instances for Bastion AutoScalingGroup | number | "1" |
no |
etcd_instance_type | EC2 instance type for etcd instances | string | "t3a.small" |
no |
etcd_max_size | Maximum number of EC2 instances for etcd AutoScalingGroup | number | "3" |
no |
etcd_min_size | Minimum number of EC2 instances for etcd AutoScalingGroup | number | "3" |
no |
etcd_size | Desired number of EC2 instances for etcd AutoScalingGroup | number | "3" |
no |
hosted_zone | Route53 Hosted Zone for creating records (without . suffix, e.g. napo.io ) |
string | n/a | yes |
master_instance_type | EC2 instance type for K8s master instances | string | "t3a.small" |
no |
master_max_size | Maximum number of EC2 instances for K8s Master AutoScalingGroup | number | "3" |
no |
master_min_size | Minimum number of EC2 instances for K8s Master AutoScalingGroup | number | "3" |
no |
master_size | Desired number of EC2 instances for K8s Master AutoScalingGroup | number | "3" |
no |
owner | Owner name used for tags | string | "napo.io" |
no |
pod_cidr | The first two octets for the Pod network CIDR (used in Worker UserData to generate POD_CIDR envvar) | string | "10.200" |
no |
project | Project name used for tags | string | "k8s-the-right-hard-way-aws" |
no |
ssh_public_key_path | SSH public key path (to create a new AWS Key Pair from existing local SSH public RSA key) | string | "~/.ssh/id_rsa.pub" |
no |
stage | Environment name (e.g. testing , dev , staging , prod ) |
string | "testing" |
no |
worker_instance_type | EC2 instance type for K8s worker instances | string | "t3a.small" |
no |
worker_max_size | Maximum number of EC2 instances for K8s Worker AutoScalingGroup | number | "3" |
no |
worker_min_size | Minimum number of EC2 instances for K8s Worker AutoScalingGroup | number | "3" |
no |
worker_size | Desired number of EC2 instances for K8s Worker AutoScalingGroup | number | "3" |
no |
Name | Description |
---|---|
route53_bastion_public_fqdn | Route53 record for Bastion Host Load Balancer |
route53_master-public-lb_public_fqdn | Route53 record for Master Public Load Balancer |