Add IPSEC to rules.tf (#23)

* Add IPSEC

Add 500/UDP and 4500/UDP for IPSEC.

* Ran update_groups.sh

modules/ipsec-4500/auto_values.tf

+# This file was generated from values defined in rules.tf using update_groups.sh.
+###################################
+# DO NOT CHANGE THIS FILE MANUALLY
+###################################
+
+variable "auto_ingress_rules" {
+  description = "List of ingress rules to add automatically"
+  type        = "list"
+  default     = ["ipsec-4500-udp"]
+}
+
+variable "auto_ingress_with_self" {
+  description = "List of maps defining ingress rules with self to add automatically"
+  type        = "list"
+
+  default = [{
+    "rule" = "all-all"
+  }]
+}
+
+variable "auto_egress_rules" {
+  description = "List of egress rules to add automatically"
+  type        = "list"
+  default     = ["all-all"]
+}
+
+variable "auto_egress_with_self" {
+  description = "List of maps defining egress rules with self to add automatically"
+  type        = "list"
+  default     = []
+}

modules/ipsec-4500/main.tf

+module "sg" {
+  source = "../../"
+
+  create      = "${var.create}"
+  name        = "${var.name}"
+  description = "${var.description}"
+  vpc_id      = "${var.vpc_id}"
+  tags        = "${var.tags}"
+
+  ##########
+  # Ingress
+  ##########
+  # Rules by names - open for default CIDR
+  ingress_rules = ["${sort(distinct(concat(var.auto_ingress_rules, var.ingress_rules)))}"]
+
+  # Open for self
+  ingress_with_self = ["${concat(var.auto_ingress_with_self, var.ingress_with_self)}"]
+
+  # Open to IPv4 cidr blocks
+  ingress_with_cidr_blocks = ["${var.ingress_with_cidr_blocks}"]
+
+  # Open to IPv6 cidr blocks
+  ingress_with_ipv6_cidr_blocks = ["${var.ingress_with_ipv6_cidr_blocks}"]
+
+  # Open for security group id
+  ingress_with_source_security_group_id = ["${var.ingress_with_source_security_group_id}"]
+
+  # Default ingress CIDR blocks
+  ingress_cidr_blocks      = ["${var.ingress_cidr_blocks}"]
+  ingress_ipv6_cidr_blocks = ["${var.ingress_ipv6_cidr_blocks}"]
+
+  # Default prefix list ids
+  ingress_prefix_list_ids = ["${var.ingress_prefix_list_ids}"]
+
+  #########
+  # Egress
+  #########
+  # Rules by names - open for default CIDR
+  egress_rules = ["${sort(distinct(concat(var.auto_egress_rules, var.egress_rules)))}"]
+
+  # Open for self
+  egress_with_self = ["${concat(var.auto_egress_with_self, var.egress_with_self)}"]
+
+  # Open to IPv4 cidr blocks
+  egress_with_cidr_blocks = ["${var.egress_with_cidr_blocks}"]
+
+  # Open to IPv6 cidr blocks
+  egress_with_ipv6_cidr_blocks = ["${var.egress_with_ipv6_cidr_blocks}"]
+
+  # Open for security group id
+  egress_with_source_security_group_id = ["${var.egress_with_source_security_group_id}"]
+
+  # Default egress CIDR blocks
+  egress_cidr_blocks      = ["${var.egress_cidr_blocks}"]
+  egress_ipv6_cidr_blocks = ["${var.egress_ipv6_cidr_blocks}"]
+
+  # Default prefix list ids
+  egress_prefix_list_ids = ["${var.egress_prefix_list_ids}"]
+}

modules/ipsec-4500/outputs.tf

+output "this_security_group_id" {
+  description = "The ID of the security group"
+  value       = "${module.sg.this_security_group_id}"
+}
+
+output "this_security_group_vpc_id" {
+  description = "The VPC ID"
+  value       = "${module.sg.this_security_group_vpc_id}"
+}
+
+output "this_security_group_owner_id" {
+  description = "The owner ID"
+  value       = "${module.sg.this_security_group_owner_id}"
+}
+
+output "this_security_group_name" {
+  description = "The name of the security group"
+  value       = "${module.sg.this_security_group_name}"
+}
+
+output "this_security_group_description" {
+  description = "The description of the security group"
+  value       = "${module.sg.this_security_group_description}"
+}

modules/ipsec-4500/variables.tf

+#################
+# Security group
+#################
+variable "create" {
+  description = "Whether to create security group and all rules"
+  default     = true
+}
+
+variable "vpc_id" {
+  description = "ID of the VPC where to create security group"
+}
+
+variable "name" {
+  description = "Name of security group"
+}
+
+variable "description" {
+  description = "Description of security group"
+  default     = "Security Group managed by Terraform"
+}
+
+variable "tags" {
+  description = "A mapping of tags to assign to security group"
+  default     = {}
+}
+
+##########
+# Ingress
+##########
+variable "ingress_rules" {
+  description = "List of ingress rules to create by name"
+  default     = []
+}
+
+variable "ingress_with_self" {
+  description = "List of ingress rules to create where 'self' is defined"
+  default     = []
+}
+
+variable "ingress_with_cidr_blocks" {
+  description = "List of ingress rules to create where 'cidr_blocks' is used"
+  default     = []
+}
+
+variable "ingress_with_ipv6_cidr_blocks" {
+  description = "List of ingress rules to create where 'ipv6_cidr_blocks' is used"
+  default     = []
+}
+
+variable "ingress_with_source_security_group_id" {
+  description = "List of ingress rules to create where 'source_security_group_id' is used"
+  default     = []
+}
+
+variable "ingress_cidr_blocks" {
+  description = "List of IPv4 CIDR ranges to use on all ingress rules"
+  default     = []
+}
+
+variable "ingress_ipv6_cidr_blocks" {
+  description = "List of IPv6 CIDR ranges to use on all ingress rules"
+  default     = []
+}
+
+variable "ingress_prefix_list_ids" {
+  description = "List of prefix list IDs (for allowing access to VPC endpoints) to use on all ingress rules"
+  default     = []
+}
+
+#########
+# Egress
+#########
+variable "egress_rules" {
+  description = "List of egress rules to create by name"
+  default     = []
+}
+
+variable "egress_with_self" {
+  description = "List of egress rules to create where 'self' is defined"
+  default     = []
+}
+
+variable "egress_with_cidr_blocks" {
+  description = "List of egress rules to create where 'cidr_blocks' is used"
+  default     = []
+}
+
+variable "egress_with_ipv6_cidr_blocks" {
+  description = "List of egress rules to create where 'ipv6_cidr_blocks' is used"
+  default     = []
+}
+
+variable "egress_with_source_security_group_id" {
+  description = "List of egress rules to create where 'source_security_group_id' is used"
+  default     = []
+}
+
+variable "egress_cidr_blocks" {
+  description = "List of IPv4 CIDR ranges to use on all egress rules"
+  default     = ["0.0.0.0/0"]
+}
+
+variable "egress_ipv6_cidr_blocks" {
+  description = "List of IPv6 CIDR ranges to use on all egress rules"
+  default     = ["::/0"]
+}
+
+variable "egress_prefix_list_ids" {
+  description = "List of prefix list IDs (for allowing access to VPC endpoints) to use on all egress rules"
+  default     = []
+}

modules/ipsec-500/auto_values.tf

+# This file was generated from values defined in rules.tf using update_groups.sh.
+###################################
+# DO NOT CHANGE THIS FILE MANUALLY
+###################################
+
+variable "auto_ingress_rules" {
+  description = "List of ingress rules to add automatically"
+  type        = "list"
+  default     = ["ipsec-500-udp"]
+}
+
+variable "auto_ingress_with_self" {
+  description = "List of maps defining ingress rules with self to add automatically"
+  type        = "list"
+
+  default = [{
+    "rule" = "all-all"
+  }]
+}
+
+variable "auto_egress_rules" {
+  description = "List of egress rules to add automatically"
+  type        = "list"
+  default     = ["all-all"]
+}
+
+variable "auto_egress_with_self" {
+  description = "List of maps defining egress rules with self to add automatically"
+  type        = "list"
+  default     = []
+}

modules/ipsec-500/main.tf

+module "sg" {
+  source = "../../"
+
+  create      = "${var.create}"
+  name        = "${var.name}"
+  description = "${var.description}"
+  vpc_id      = "${var.vpc_id}"
+  tags        = "${var.tags}"
+
+  ##########
+  # Ingress
+  ##########
+  # Rules by names - open for default CIDR
+  ingress_rules = ["${sort(distinct(concat(var.auto_ingress_rules, var.ingress_rules)))}"]
+
+  # Open for self
+  ingress_with_self = ["${concat(var.auto_ingress_with_self, var.ingress_with_self)}"]
+
+  # Open to IPv4 cidr blocks
+  ingress_with_cidr_blocks = ["${var.ingress_with_cidr_blocks}"]
+
+  # Open to IPv6 cidr blocks
+  ingress_with_ipv6_cidr_blocks = ["${var.ingress_with_ipv6_cidr_blocks}"]
+
+  # Open for security group id
+  ingress_with_source_security_group_id = ["${var.ingress_with_source_security_group_id}"]
+
+  # Default ingress CIDR blocks
+  ingress_cidr_blocks      = ["${var.ingress_cidr_blocks}"]
+  ingress_ipv6_cidr_blocks = ["${var.ingress_ipv6_cidr_blocks}"]
+
+  # Default prefix list ids
+  ingress_prefix_list_ids = ["${var.ingress_prefix_list_ids}"]
+
+  #########
+  # Egress
+  #########
+  # Rules by names - open for default CIDR
+  egress_rules = ["${sort(distinct(concat(var.auto_egress_rules, var.egress_rules)))}"]
+
+  # Open for self
+  egress_with_self = ["${concat(var.auto_egress_with_self, var.egress_with_self)}"]
+
+  # Open to IPv4 cidr blocks
+  egress_with_cidr_blocks = ["${var.egress_with_cidr_blocks}"]
+
+  # Open to IPv6 cidr blocks
+  egress_with_ipv6_cidr_blocks = ["${var.egress_with_ipv6_cidr_blocks}"]
+
+  # Open for security group id
+  egress_with_source_security_group_id = ["${var.egress_with_source_security_group_id}"]
+
+  # Default egress CIDR blocks
+  egress_cidr_blocks      = ["${var.egress_cidr_blocks}"]
+  egress_ipv6_cidr_blocks = ["${var.egress_ipv6_cidr_blocks}"]
+
+  # Default prefix list ids
+  egress_prefix_list_ids = ["${var.egress_prefix_list_ids}"]
+}

modules/ipsec-500/outputs.tf

+output "this_security_group_id" {
+  description = "The ID of the security group"
+  value       = "${module.sg.this_security_group_id}"
+}
+
+output "this_security_group_vpc_id" {
+  description = "The VPC ID"
+  value       = "${module.sg.this_security_group_vpc_id}"
+}
+
+output "this_security_group_owner_id" {
+  description = "The owner ID"
+  value       = "${module.sg.this_security_group_owner_id}"
+}
+
+output "this_security_group_name" {
+  description = "The name of the security group"
+  value       = "${module.sg.this_security_group_name}"
+}
+
+output "this_security_group_description" {
+  description = "The description of the security group"
+  value       = "${module.sg.this_security_group_description}"
+}

modules/ipsec-500/variables.tf

+#################
+# Security group
+#################
+variable "create" {
+  description = "Whether to create security group and all rules"
+  default     = true
+}
+
+variable "vpc_id" {
+  description = "ID of the VPC where to create security group"
+}
+
+variable "name" {
+  description = "Name of security group"
+}
+
+variable "description" {
+  description = "Description of security group"
+  default     = "Security Group managed by Terraform"
+}
+
+variable "tags" {
+  description = "A mapping of tags to assign to security group"
+  default     = {}
+}
+
+##########
+# Ingress
+##########
+variable "ingress_rules" {
+  description = "List of ingress rules to create by name"
+  default     = []
+}
+
+variable "ingress_with_self" {
+  description = "List of ingress rules to create where 'self' is defined"
+  default     = []
+}
+
+variable "ingress_with_cidr_blocks" {
+  description = "List of ingress rules to create where 'cidr_blocks' is used"
+  default     = []
+}
+
+variable "ingress_with_ipv6_cidr_blocks" {
+  description = "List of ingress rules to create where 'ipv6_cidr_blocks' is used"
+  default     = []
+}
+
+variable "ingress_with_source_security_group_id" {
+  description = "List of ingress rules to create where 'source_security_group_id' is used"
+  default     = []
+}
+
+variable "ingress_cidr_blocks" {
+  description = "List of IPv4 CIDR ranges to use on all ingress rules"
+  default     = []
+}
+
+variable "ingress_ipv6_cidr_blocks" {
+  description = "List of IPv6 CIDR ranges to use on all ingress rules"
+  default     = []
+}
+
+variable "ingress_prefix_list_ids" {
+  description = "List of prefix list IDs (for allowing access to VPC endpoints) to use on all ingress rules"
+  default     = []
+}
+
+#########
+# Egress
+#########
+variable "egress_rules" {
+  description = "List of egress rules to create by name"
+  default     = []
+}
+
+variable "egress_with_self" {
+  description = "List of egress rules to create where 'self' is defined"
+  default     = []
+}
+
+variable "egress_with_cidr_blocks" {
+  description = "List of egress rules to create where 'cidr_blocks' is used"
+  default     = []
+}
+
+variable "egress_with_ipv6_cidr_blocks" {
+  description = "List of egress rules to create where 'ipv6_cidr_blocks' is used"
+  default     = []
+}
+
+variable "egress_with_source_security_group_id" {
+  description = "List of egress rules to create where 'source_security_group_id' is used"
+  default     = []
+}
+
+variable "egress_cidr_blocks" {
+  description = "List of IPv4 CIDR ranges to use on all egress rules"
+  default     = ["0.0.0.0/0"]
+}
+
+variable "egress_ipv6_cidr_blocks" {
+  description = "List of IPv6 CIDR ranges to use on all egress rules"
+  default     = ["::/0"]
+}
+
+variable "egress_prefix_list_ids" {
+  description = "List of prefix list IDs (for allowing access to VPC endpoints) to use on all egress rules"
+  default     = []
+}

rules.tf

@@ -48,6 +48,10 @@ variable "rules" {
 
     # HTTPS
     https-443-tcp = [443, 443, "tcp", "HTTPS"]
+    
+    # IPSEC
+    ipsec-500-udp   = [500, 500, "udp", "IPSEC ISAKMP"]
+    ipsec-4500-udp  = [4500, 4500, "udp", "IPSEC NAT-T"]
 
     # Kafka
     kafka-broker-tcp = [9092, 9092, "tcp", "Kafka broker 0.8.2+"]
@@ -168,6 +172,18 @@ variable "auto_groups" {
       egress_rules      = ["all-all"]
     }
 
+    ipsec-500 = {
+      ingress_rules     = ["ipsec-500-udp"]
+      ingress_with_self = ["all-all"]
+      egress_rules      = ["all-all"]
+    }
+
+    ipsec-4500 = {
+      ingress_rules     = ["ipsec-4500-udp"]
+      ingress_with_self = ["all-all"]
+      egress_rules      = ["all-all"]
+    }
+
     kafka = {
       ingress_rules     = ["kafka-broker-tcp"]
       ingress_with_self = ["all-all"]