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worker_sg.tf
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worker_sg.tf
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resource "aws_security_group" "demo-node" {
name = "terraform-eks-demo-node"
description = "Security group for all nodes in the cluster"
vpc_id = "${aws_vpc.demo.id}"
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
tags = "${
map(
"Name", "terraform-eks-demo-node",
"kubernetes.io/cluster/${var.cluster-name}", "owned",
)
}"
}
resource "aws_security_group_rule" "demo-node-ingress-self" {
description = "Allow node to communicate with each other"
from_port = 0
protocol = "-1"
security_group_id = "${aws_security_group.demo-node.id}"
source_security_group_id = "${aws_security_group.demo-node.id}"
to_port = 65535
type = "ingress"
}
resource "aws_security_group_rule" "demo-node-ingress-cluster" {
description = "Allow worker Kubelets and pods to receive communication from the cluster control plane"
from_port = 1025
protocol = "tcp"
security_group_id = "${aws_security_group.demo-node.id}"
source_security_group_id = "${aws_security_group.demo-cluster.id}"
to_port = 65535
type = "ingress"
}
resource "aws_security_group_rule" "demo-cluster-ingress-node-https" {
description = "Allow pods to communicate with the cluster API Server"
from_port = 443
protocol = "tcp"
security_group_id = "${aws_security_group.demo-cluster.id}"
source_security_group_id = "${aws_security_group.demo-node.id}"
to_port = 443
type = "ingress"
}