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security_groups.tf
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security_groups.tf
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# ssh security group
#----------------------------------------------------
resource "aws_security_group" "ssh_sg" {
name = "${var.app_name}-ssh-sg"
description = "Allow ssh"
vpc_id = aws_vpc.vpc.id
ingress {
description = "ssh from IP"
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = [var.ssh_sg["cidr_block"]]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.ssh_sg["timeout_delete"]
}
tags = {
Name = "${var.app_name}-ssh-sg"
}
}
# Web access security group
#----------------------------------------------------
resource "aws_security_group" "web_access_sg" {
name = "${var.app_name}-web-access-sg"
description = "web access sg applied to alb"
vpc_id = aws_vpc.vpc.id
# http
ingress {
description = "http"
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = [var.all_traffic]
}
# https
ingress {
description = "https"
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = [var.all_traffic]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = [var.all_traffic]
ipv6_cidr_blocks = ["::/0"]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.web_access_sg["timeout_delete"]
}
tags = {
Name = "${var.app_name}-web-access-sg"
}
}
# ALB access security group
#----------------------------------------------------
resource "aws_security_group" "alb_access_sg" {
name = "${var.app_name}-alb-access-sg"
description = "Allow http traffic from ALB"
vpc_id = aws_vpc.vpc.id
# http
ingress {
description = "allow http traffic from alb sg"
from_port = 80
to_port = 80
protocol = "tcp"
security_groups = [aws_security_group.web_access_sg.id]
}
# https
ingress {
description = "allow https traffic from alb sg"
from_port = 443
to_port = 443
protocol = "tcp"
security_groups = [aws_security_group.web_access_sg.id]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = [var.all_traffic]
ipv6_cidr_blocks = ["::/0"]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.alb_access_sg["timeout_delete"]
}
tags = {
Name = "${var.app_name}-alb-access-sg"
}
}