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# EKS Cluster | |
resource "aws_eks_cluster" "eks_cluster" { | |
name = "${var.project}-cluster" | |
role_arn = aws_iam_role.cluster.arn | |
version = "1.21" | |
vpc_config { | |
subnet_ids = flatten([aws_subnet.public[*].id, aws_subnet.private[*].id]) | |
endpoint_private_access = true | |
endpoint_public_access = true | |
public_access_cidrs = ["0.0.0.0/0"] | |
} | |
tags = merge( | |
var.tags | |
) | |
depends_on = [ | |
aws_iam_role_policy_attachment.cluster_AmazonEKSClusterPolicy | |
] | |
} | |
# EKS Cluster IAM Role | |
resource "aws_iam_role" "cluster" { | |
name = "${var.project}-Cluster-Role" | |
assume_role_policy = <<POLICY | |
{ | |
"Version": "2012-10-17", | |
"Statement": [ | |
{ | |
"Effect": "Allow", | |
"Principal": { | |
"Service": "eks.amazonaws.com" | |
}, | |
"Action": "sts:AssumeRole" | |
} | |
] | |
} | |
POLICY | |
} | |
resource "aws_iam_role_policy_attachment" "cluster_AmazonEKSClusterPolicy" { | |
policy_arn = "arn:aws:iam::aws:policy/AmazonEKSClusterPolicy" | |
role = aws_iam_role.cluster.name | |
} | |
# EKS Cluster Security Group | |
resource "aws_security_group" "eks_cluster" { | |
name = "${var.project}-cluster-sg" | |
description = "Cluster communication with worker nodes" | |
vpc_id = aws_vpc.vpc.id | |
tags = { | |
Name = "${var.project}-cluster-sg" | |
} | |
} | |
resource "aws_security_group_rule" "cluster_inbound" { | |
description = "Allow worker nodes to communicate with the cluster API Server" | |
from_port = 443 | |
protocol = "tcp" | |
security_group_id = aws_security_group.eks_cluster.id | |
source_security_group_id = aws_security_group.eks_nodes.id | |
to_port = 443 | |
type = "ingress" | |
} | |
resource "aws_security_group_rule" "cluster_outbound" { | |
description = "Allow cluster API Server to communicate with the worker nodes" | |
from_port = 1024 | |
protocol = "tcp" | |
security_group_id = aws_security_group.eks_cluster.id | |
source_security_group_id = aws_security_group.eks_nodes.id | |
to_port = 65535 | |
type = "egress" | |
} |
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