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sg.tf
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// ALB
resource "aws_security_group" "alb_sg" {
name = "${var.environment}-${var.prefix}${var.app_name}${var.suffix}-alb-sg"
description = "${var.environment}-${var.prefix}${var.app_name}${var.suffix}-alb-sg"
vpc_id = var.vpc_id
tags = merge(
var.extra_tags,
map("Name", "${var.environment}-${var.prefix}${var.app_name}${var.suffix}-alb-sg")
)
}
resource "aws_security_group_rule" "alb_http_rule" {
type = "ingress"
from_port = 80
to_port = 80
protocol = "tcp"
description = "HTTP redirect"
cidr_blocks = ["0.0.0.0/0"]
security_group_id = aws_security_group.alb_sg.id
}
resource "aws_security_group_rule" "alb_https_rule" {
type = "ingress"
from_port = 443
to_port = 443
protocol = "tcp"
description = "HTTPs"
cidr_blocks = ["0.0.0.0/0"]
security_group_id = aws_security_group.alb_sg.id
}
resource "aws_security_group_rule" "alb_egress_rule" {
type = "egress"
from_port = 0
to_port = 0
protocol = "-1"
source_security_group_id = aws_security_group.ec2.id
security_group_id = aws_security_group.alb_sg.id
}
// ec2_sg
resource "aws_security_group" "ec2" {
name = "${var.environment}-${var.prefix}${var.app_name}${var.suffix}-sg"
description = "${var.environment}-${var.prefix}${var.app_name}${var.suffix}-sg"
vpc_id = var.vpc_id
tags = merge(
var.extra_tags,
map("Name", "${var.environment}-${var.prefix}${var.app_name}${var.suffix}-sg"),
)
}
resource "aws_security_group_rule" "asg_vault_rule" {
type = "ingress"
from_port = 8200
to_port = 8200
protocol = "tcp"
description = "ALB Vault port"
source_security_group_id = aws_security_group.alb_sg.id
security_group_id = aws_security_group.ec2.id
}
resource "aws_security_group_rule" "asg_egress_rule" {
type = "egress"
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
security_group_id = aws_security_group.ec2.id
}
resource "aws_security_group_rule" "asg_ssh_admin_rule" {
count = var.admin_cidr_blocks == [] ? 0 : 1
type = "ingress"
from_port = 22
to_port = 22
protocol = "tcp"
description = "Admin SSH ASG"
cidr_blocks = var.admin_cidr_blocks
security_group_id = aws_security_group.ec2.id
}
resource "aws_security_group_rule" "asg_app_admin_rule" {
count = var.admin_cidr_blocks == [] ? 0 : 1
type = "ingress"
from_port = 8200
to_port = 8600
protocol = "tcp"
description = "Admin App Access ASG"
cidr_blocks = var.admin_cidr_blocks
security_group_id = aws_security_group.ec2.id
}