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security_group.tf
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# Create security groups
#----------------------------------------------------
# ssh
resource "aws_security_group" "ssh_sg" {
name = "${local.name_prefix}-ssh-sg"
description = "Allow ssh."
vpc_id = module.network.vpc_id
ingress {
description = "ssh"
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = [var.ssh_cidr]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.sg_timeout
}
tags = {
Name = "${local.name_prefix}-ssh-sg"
}
}
#http/https for ALB
resource "aws_security_group" "web_access_sg" {
name = "${local.name_prefix}-web-access-sg"
description = "http/https access attached to ALB."
vpc_id = module.network.vpc_id
# http
ingress {
description = "http"
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
# https
ingress {
description = "https"
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
# all
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.sg_timeout
}
tags = {
Name = "${local.name_prefix}-web-access-sg"
}
}
# wordpress rds sg
resource "aws_security_group" "wordpress_rds" {
name = "${local.name_prefix}-wordpress-rds-sg"
description = "Allows inbound traffic from wordpress ec2s. Attached to rds"
vpc_id = module.network.vpc_id
# to ec2
ingress {
description = "traffic from ec2 sg"
from_port = var.db_port
to_port = var.db_port
protocol = "tcp"
security_groups = [aws_security_group.wordpress_ec2_sg.id]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.sg_timeout
}
tags = {
Name = "${local.name_prefix}-wordpress-rds-sg"
}
}
# wordpress ec2 sg
resource "aws_security_group" "wordpress_ec2_sg" {
name = "${local.name_prefix}-wordpress-ec2-sg"
description = "Allows inbound http/https traffic from ALB sg and all outboound traffic. Attached to ec2"
vpc_id = module.network.vpc_id
# http
ingress {
description = "http from ALB"
from_port = 80
to_port = 80
protocol = "tcp"
security_groups = [aws_security_group.web_access_sg.id]
}
# https
ingress {
description = "https from ALB"
from_port = 443
to_port = 443
protocol = "tcp"
security_groups = [aws_security_group.web_access_sg.id]
}
# all
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
lifecycle {
create_before_destroy = true
}
timeouts {
delete = var.sg_timeout
}
tags = {
Name = "${local.name_prefix}-wordpress-ec2-sg"
}
}