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security-groups.tf
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# Attach IPSEC rules to host instance security group.
# Enables the rancher overlay network for connected hosts.
# Traffic only allowed to and from other machines with this security group.
resource "aws_security_group_rule" "ipsec_ingress_1" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "ingress"
from_port = 4500
to_port = 4500
protocol = "udp"
source_security_group_id = "${var.cluster_instance_security_group_id}"
lifecycle {
create_before_destroy = true
}
}
resource "aws_security_group_rule" "ipsec_egress_1" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "egress"
from_port = 4500
to_port = 4500
protocol = "udp"
source_security_group_id = "${var.cluster_instance_security_group_id}"
lifecycle {
create_before_destroy = true
}
}
resource "aws_security_group_rule" "ipsec_ingress_2" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "ingress"
from_port = 500
to_port = 500
protocol = "udp"
source_security_group_id = "${var.cluster_instance_security_group_id}"
lifecycle {
create_before_destroy = true
}
}
resource "aws_security_group_rule" "ipsec_egress_2" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "egress"
from_port = 500
to_port = 500
protocol = "udp"
source_security_group_id = "${var.cluster_instance_security_group_id}"
lifecycle {
create_before_destroy = true
}
}
# SSH ingress
# Required for the server to connect & configure the host.
resource "aws_security_group_rule" "ssh_ingress" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "ingress"
from_port = 22
to_port = 22
protocol = "tcp"
source_security_group_id = "${var.server_security_group_id}"
lifecycle {
create_before_destroy = true
}
}
# Outgoing HTTP
# Allows pulling of remote docker images, installing packages, etc.
resource "aws_security_group_rule" "http_egress" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "egress"
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
lifecycle {
create_before_destroy = true
}
}
# Outgoing HTTPS
# Allows pulling of remote docker images, installing packages, etc.
resource "aws_security_group_rule" "https_egress" {
security_group_id = "${var.cluster_instance_security_group_id}"
type = "egress"
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
lifecycle {
create_before_destroy = true
}
}