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0170_security_group.tf
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0170_security_group.tf
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# Consol 상 Name에는 Tag name이, 보안그룹 이름에는 name이 들어감
# port forwarding을 위해 from_port와 to_port 값을 동일하게 설정
# 1. eks cluster 용 : in/out SSL/KubernetesControlPlane 포트 허용
# 2. workernode 용 : in/out 모든 포트 허용
# 3. pod 용 : in/out 모든 포트 허용
# 4. DB 용 : in DB 리스너 포트만 허용
# 5. EFS 용 : in은 NFS 포트만 허용, out은 모든 포트 허용
# 6. Bastion host 용 : in은 ssh 포트만 허용, out은 WEB/DB 포트만 허용
# 7. Elasticache 용 : in Elasticache 포트만 허용
# 1. eks cluster 용 security_group
resource "aws_security_group" "sg_cluster" {
name = "sg_${var.env}-${var.pjt}-ekscluster" # sg의 naming rule에 맨앞 '-'가 허용 안되서 '_'사용
vpc_id = aws_vpc.vpc.id
egress { # all port
from_port = 0
to_port = 0
protocol = "-1" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 0
to_port = 0
protocol = "-1" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
egress { # ssl 포트
from_port = 443
to_port = 443
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
egress { # Kubernetes Control Plane 포트
from_port = 10250
to_port = 10250
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 443
to_port = 443
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 10250
to_port = 10250
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
tags = {
Name = "sg-${var.env}-${var.pjt}-ekscluster",
Service = "ekscluster"
}
}
# 2. workernode용 security_group
resource "aws_security_group" "sg_node" {
name = "sg_${var.env}-${var.pjt}-node"
vpc_id = aws_vpc.vpc.id
egress {
from_port = 0
to_port = 0
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 0
to_port = 0
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
tags = {
Name = "sg-${var.env}-${var.pjt}-node",
Service = "node"
}
}
# 3. pod 용 security_group
resource "aws_security_group" "sg_pod" {
name = "sg_${var.env}-${var.pjt}-pod"
vpc_id = aws_vpc.vpc.id
egress {
from_port = 0
to_port = 65535
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 0
to_port = 65535
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
tags = {
Name = "sg-${var.env}-${var.pjt}-pod",
Service = "pod"
}
}
# 4. db - service 용 security_group
# resource "aws_security_group" "sg_db_service" {
# name = "sg_${var.env}-${var.pjt}-db-service"
# vpc_id = aws_vpc.vpc.id
# ingress { # DB 리스너 포트
# from_port = var.db_port
# to_port = var.db_port
# protocol = "tcp"
# cidr_blocks = [var.pria_cidr, var.pric_cidr]
# }
# tags = {
# Name = "sg-${var.env}-${var.pjt}-db-service",
# Service = "db-service"
# }
# }
# 6. bastion 용 security_group
resource "aws_security_group" "sg_bastion" {
name = "sg_${var.env}-${var.pjt}-bastion"
vpc_id = aws_vpc.vpc.id
ingress { # ssh 접속 포트
from_port = 22
to_port = 22
protocol = "tcp" # tcp만 허용
cidr_blocks = var.bastion_cidr_block
}
egress { # WEB 포트
from_port = 80
to_port = 80
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 443
to_port = 443
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
# 0322
egress { # ternnel 용
from_port = 22
to_port = 22
protocol = "tcp" # tcp만 허용
cidr_blocks = ["0.0.0.0/0"]
}
# 0322
# egress { # db 접근용
# from_port = var.db_port
# to_port = var.db_port
# protocol = "tcp"
# cidr_blocks = [var.pria_db_cidr, var.pric_db_cidr]
# }
egress { # elasticache 접근용
from_port = 6379
to_port = 6379
protocol = "tcp"
cidr_blocks = [var.pria_db_cidr, var.pric_db_cidr]
}
tags = {
Name = "sg-${var.env}-${var.pjt}-bastion",
Service = "bastion"
}
}
# # 외부 보안 그룹에 추가 할 수 있는 단일 ingress또는 egress그룹 규칙
# resource "aws_security_group_rule" "ingress" {
# cidr_blocks = ["0.0.0.0/0"]
# description = "Allow all to communicate with the cluster API Server"
# from_port = 0
# protocol = "-1" # 모든 프로토콜 허용
# security_group_id = aws_security_group.sg.id
# to_port = 0
# type = "ingress"
# }
#############################################################################
# 7. elasticache 용 security_group
resource "aws_security_group" "sg_elasticache" {
name = "sg_${var.env}-${var.pjt}-elasticache"
vpc_id = aws_vpc.vpc.id
ingress { # Elasticache 포트
from_port = 6379
to_port = 6379
protocol = "tcp" # tcp만 허용
cidr_blocks = [var.pria_db_cidr, var.pric_db_cidr]
}
tags = {
Name = "sg-${var.env}-${var.pjt}-elasticache",
Service = "elasticache"
}
}