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net_hub_vcn.tf
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net_hub_vcn.tf
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# Copyright (c) 2023 Oracle and/or its affiliates.
# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
locals {
hub_vcn = local.hub_with_vcn == true ? { # local variable hub_with_vcn is defined in net_hub_drg.tf.
"HUB-VCN" = {
display_name = coalesce(var.hub_vcn_name, "${var.service_label}-hub-vcn")
is_ipv6enabled = false
is_oracle_gua_allocation_enabled = false
cidr_blocks = var.hub_vcn_cidrs
dns_label = substr(replace(coalesce(var.hub_vcn_name,"hub-vcn"),"/[^\\w]/",""),0,14)
block_nat_traffic = false
subnets = merge(
{
"WEB-SUBNET" = {
cidr_block = coalesce(var.hub_vcn_web_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 0))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.hub_vcn_web_subnet_name, "${var.service_label}-hub-vcn-web-subnet")
dns_label = substr(replace(coalesce(var.hub_vcn_web_subnet_name,"web-subnet"),"/[^\\w]/",""),0,14)
ipv6cidr_blocks = []
prohibit_internet_ingress = false
route_table_key = "WEB-SUBNET-ROUTE-TABLE"
security_list_keys = ["HUB-VCN-SL"]
}
},
local.chosen_firewall_option != "OCINFW" ? {
"OUTDOOR-SUBNET" = {
cidr_block = coalesce(var.hub_vcn_outdoor_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 1))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.hub_vcn_outdoor_subnet_name, "${var.service_label}-hub-vcn-outdoor-subnet")
dns_label = substr(replace(coalesce(var.hub_vcn_outdoor_subnet_name,"outdoor-subnet"),"/[^\\w]/",""),0,14)
ipv6cidr_blocks = []
prohibit_internet_ingress = true
route_table_key = "OUTDOOR-SUBNET-ROUTE-TABLE"
security_list_keys = ["HUB-VCN-SL"]
}
} : {},
{
"INDOOR-SUBNET" = {
cidr_block = coalesce(var.hub_vcn_indoor_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 2))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.hub_vcn_indoor_subnet_name, "${var.service_label}-hub-vcn-indoor-subnet")
dns_label = substr(replace(coalesce(var.hub_vcn_indoor_subnet_name,"indoor-subnet"),"/[^\\w]/",""),0,14)
ipv6cidr_blocks = []
prohibit_internet_ingress = true
route_table_key = "INDOOR-SUBNET-ROUTE-TABLE"
security_list_keys = ["HUB-VCN-SL"]
}
},
local.chosen_firewall_option != "OCINFW" ? {
"MGMT-SUBNET" = {
cidr_block = coalesce(var.hub_vcn_mgmt_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 3))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.hub_vcn_mgmt_subnet_name, "${var.service_label}-hub-vcn-mgmt-subnet")
dns_label = substr(replace(coalesce(var.hub_vcn_mgmt_subnet_name,"mgmt-subnet"),"/[^\\w]/",""),0,14)
ipv6cidr_blocks = [],
prohibit_internet_ingress = true
route_table_key = "MGMT-SUBNET-ROUTE-TABLE"
security_list_keys = ["MGMT-SUB-SL"]
}
} : {}
) # closing Subnets merge function
security_lists = merge(
{
"HUB-VCN-SL" = {
display_name = "basic-security-list"
ingress_rules = [
{
description = "Ingress on UDP type 3 code 4."
stateless = false
protocol = "UDP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
]
egress_rules = []
}
},
local.chosen_firewall_option != "OCINFW" ? {
"MGMT-SUB-SL" = {
display_name = "mgmt-subnet-security-list"
ingress_rules = [
{
description = "Ingress on UDP type 3 code 4."
stateless = false
protocol = "UDP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
]
egress_rules = [
{
description = "Egress to Mgmt subnet on SSH port. Required by Bastion service session."
stateless = false
protocol = "TCP"
dst = coalesce(var.hub_vcn_mgmt_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 3))
dst_type = "CIDR_BLOCK"
dst_port_min = "22"
dst_port_max = "22"
},
{
description = "Egress to Mgmt subnet on HTTP port. Required by Bastion service session."
stateless = false
protocol = "TCP"
dst = coalesce(var.hub_vcn_mgmt_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 3))
dst_type = "CIDR_BLOCK"
dst_port_min = "443"
dst_port_max = "443"
}
]
}
} : {}
) # closing Security List merge function
route_tables = merge(
{
"WEB-SUBNET-ROUTE-TABLE" = {
display_name = "web-subnet-route-table"
route_rules = merge(
{
"INTERNET-RULE" = {
network_entity_key = "HUB-VCN-INTERNET-GATEWAY"
description = "To Internet."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
},
local.chosen_firewall_option == "OCINFW" && coalesce(var.oci_nfw_ip_ocid,local.void) != local.void && local.add_tt_vcn1 == true && var.tt_vcn1_attach_to_drg == true ? {for cidr in var.tt_vcn1_cidrs : "TT-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Traffic destined to ${coalesce(var.tt_vcn1_name,"${var.service_label}-three-tier-vcn-1")} CIDR ${cidr} goes to OCI Network Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
}
} : {},
local.chosen_firewall_option == "OCINFW" && coalesce(var.oci_nfw_ip_ocid,local.void) != local.void && local.add_tt_vcn2 == true && var.tt_vcn2_attach_to_drg == true ? {for cidr in var.tt_vcn2_cidrs : "TT-VCN-2-${replace(replace(cidr,".",""),"/","")}-RULE" => {
description = "Traffic destined to ${coalesce(var.tt_vcn2_name,"${var.service_label}-three-tier-vcn-2")} CIDR ${cidr} goes to OCI Network Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
}
} : {},
local.chosen_firewall_option == "OCINFW" && coalesce(var.oci_nfw_ip_ocid,local.void) != local.void && local.add_tt_vcn3 == true && var.tt_vcn3_attach_to_drg == true ? {for cidr in var.tt_vcn3_cidrs : "TT-VCN-3-${replace(replace(cidr,".",""),"/","")}-RULE" => {
description = "Traffic destined to ${coalesce(var.tt_vcn3_name,"${var.service_label}-three-tier-vcn-3")} CIDR ${cidr} goes to OCI Network Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
}
} : {},
local.chosen_firewall_option == "OCINFW" && coalesce(var.oci_nfw_ip_ocid,local.void) != local.void && local.add_oke_vcn1 == true && var.oke_vcn1_attach_to_drg == true ? {for cidr in var.oke_vcn1_cidrs : "OKE-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Traffic destined to ${coalesce(var.oke_vcn1_name,"${var.service_label}-oke-vcn-1")} CIDR ${cidr} goes to OCI Network Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
}
} : {},
local.chosen_firewall_option == "OCINFW" && coalesce(var.oci_nfw_ip_ocid,local.void) != local.void && local.add_oke_vcn2 == true && var.oke_vcn2_attach_to_drg == true ? {for cidr in var.oke_vcn2_cidrs : "OKE-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Traffic destined to ${coalesce(var.oke_vcn2_name,"${var.service_label}-oke-vcn-2")} CIDR ${cidr} goes to OCI Network Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
}
} : {},
local.chosen_firewall_option == "OCINFW" && coalesce(var.oci_nfw_ip_ocid,local.void) != local.void && local.add_oke_vcn3 == true && var.oke_vcn3_attach_to_drg == true ? {for cidr in var.oke_vcn3_cidrs : "OKE-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Traffic destined to ${coalesce(var.oke_vcn3_name,"${var.service_label}-oke-vcn-3")} CIDR ${cidr} goes to OCI Network Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
}
} : {}
)
}
},
local.chosen_firewall_option != "OCINFW" ? {
"OUTDOOR-SUBNET-ROUTE-TABLE" = {
display_name = "outdoor-subnet-route-table"
route_rules = merge(
{
"OSN-RULE" = {
network_entity_key = "HUB-VCN-SERVICE-GATEWAY"
description = "To Oracle Services Network."
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
}
},
{
"INTERNET-RULE" = {
network_entity_key = "HUB-VCN-NAT-GATEWAY"
description = "To Internet."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
},
{
for cidr in var.onprem_cidrs : "ONPREM-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to on-premises ${cidr} CIDR range goes to DRG."
destination = cidr
destination_type = "CIDR_BLOCK"
}
}
)
}
} : {},
{
"INDOOR-SUBNET-ROUTE-TABLE" = {
display_name = "indoor-subnet-route-table"
route_rules = merge(
{
"OSN-RULE" = {
network_entity_key = "HUB-VCN-SERVICE-GATEWAY"
description = "To Oracle Services Network."
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
}
},
local.add_tt_vcn1 == true && var.tt_vcn1_attach_to_drg == true ? {for cidr in var.tt_vcn1_cidrs : "TT-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.tt_vcn1_name,"${var.service_label}-three-tier-vcn-1")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_tt_vcn2 == true && var.tt_vcn2_attach_to_drg == true ? {for cidr in var.tt_vcn2_cidrs : "TT-VCN-2-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.tt_vcn2_name,"${var.service_label}-three-tier-vcn-2")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_tt_vcn3 == true && var.tt_vcn3_attach_to_drg == true ? {for cidr in var.tt_vcn3_cidrs : "TT-VCN-3-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.tt_vcn3_name,"${var.service_label}-three-tier-vcn-3")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn1 == true && var.oke_vcn1_attach_to_drg == true ? {for cidr in var.oke_vcn1_cidrs : "OKE-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.oke_vcn1_name,"${var.service_label}-oke-vcn-1")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn2 == true && var.oke_vcn2_attach_to_drg == true ? {for cidr in var.oke_vcn2_cidrs : "OKE-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.oke_vcn2_name,"${var.service_label}-oke-vcn-2")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn3 == true && var.oke_vcn3_attach_to_drg == true ? {for cidr in var.oke_vcn3_cidrs : "OKE-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.oke_vcn3_name,"${var.service_label}-oke-vcn-3")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn1 == true && var.exa_vcn1_attach_to_drg == true ? {for cidr in var.exa_vcn1_cidrs : "EXA-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.exa_vcn1_name,"${var.service_label}-exa-vcn-1")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn2 == true && var.exa_vcn2_attach_to_drg == true ? {for cidr in var.exa_vcn2_cidrs : "EXA-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.exa_vcn2_name,"${var.service_label}-exa-vcn-2")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn3 == true && var.exa_vcn3_attach_to_drg == true ? {for cidr in var.exa_vcn3_cidrs : "EXA-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.exa_vcn3_name,"${var.service_label}-exa-vcn-3")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}
} : {},
{
"INTERNET-RULE" = {
network_entity_key = "HUB-VCN-NAT-GATEWAY"
description = "To Internet."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
}
)
}
},
local.chosen_firewall_option != "OCINFW" ? {
"MGMT-SUBNET-ROUTE-TABLE" = {
display_name = "mgmt-subnet-route-table"
route_rules = {
"OSN-RULE" = {
network_entity_key = "HUB-VCN-SERVICE-GATEWAY"
description = "Traffic destined to Oracle Services Network goes to service gateway."
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
}
"INTERNET-RULE" = {
network_entity_key = "HUB-VCN-NAT-GATEWAY"
description = "All remaining traffic goes to Internet."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
}
}
} : {},
# 3rd-party Firewall case: Route table for East/West traffic is attached to HUB VCN DRG attachment.
(coalesce(var.hub_vcn_east_west_entry_point_ocid,local.void) != local.void) ? {
"HUB-VCN-INGRESS-ROUTE-TABLE" = {
display_name = "hub-vcn-ingress-route-table"
route_rules = {
"OSN-RULE" = {
network_entity_key = "HUB-VCN-SERVICE-GATEWAY"
description = "Traffic destined to Oracle Services Network goes to service gateway."
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
},
"ANYWHERE-RULE" = {
description = "All remaining traffic goes to ${var.hub_vcn_east_west_entry_point_ocid}."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
network_entity_id = var.hub_vcn_east_west_entry_point_ocid
}
}
}
} : {},
# 3rd-party Firewall case: Route table for North/South traffic is attached to HUB VCN Internet Gateway.
(var.hub_vcn_north_south_entry_point_ocid != null) ? {
"HUB-VCN-INTERNET-GATEWAY-ROUTE-TABLE" = {
display_name = "internet-gateway-route-table"
route_rules = {
"ANYWHERE-RULE" = {
description = "All traffic goes to ${var.hub_vcn_north_south_entry_point_ocid}."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
network_entity_id = var.hub_vcn_north_south_entry_point_ocid
}
}
}
} : {},
# OCI Firewall case: Route table for spoke VCNs outbound traffic, attached to HUB VCN DRG attachment.
(coalesce(var.oci_nfw_ip_ocid,local.void) != local.void) ? {
"HUB-VCN-INGRESS-ROUTE-TABLE" = {
display_name = "hub-vcn-ingress-route-table"
route_rules = {
"HUB-VCN-WEB-SUBNET-RULE" = {
description = "Traffic destined to ${coalesce(var.hub_vcn_web_subnet_name, "${var.service_label}-hub-vcn-web-subnet")} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = coalesce(var.hub_vcn_web_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 0))
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
},
"OSN-RULE" = {
network_entity_key = "HUB-VCN-SERVICE-GATEWAY"
description = "Traffic destined to Oracle Services Network goes to service gateway."
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
},
"ANYWHERE-RULE" = {
description = "All remaining traffic goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
network_entity_id = var.oci_nfw_ip_ocid
},
}
}
} : {},
(coalesce(var.oci_nfw_ip_ocid,local.void) != local.void) ? {
"HUB-VCN-NAT-GATEWAY-ROUTE-TABLE" = {
display_name = "nat-gateway-route-table"
route_rules = merge(
local.add_tt_vcn1 == true && var.tt_vcn1_attach_to_drg == true ? {for cidr in var.tt_vcn1_cidrs : "TT-VCN-1-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.tt_vcn1_name,"${var.service_label}-three-tier-vcn-1")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_tt_vcn2 == true && var.tt_vcn2_attach_to_drg == true ? {for cidr in var.tt_vcn2_cidrs : "TT-VCN-2-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.tt_vcn2_name,"${var.service_label}-three-tier-vcn-2")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_tt_vcn3 == true && var.tt_vcn3_attach_to_drg == true ? {for cidr in var.tt_vcn3_cidrs : "TT-VCN-3-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.tt_vcn3_name,"${var.service_label}-three-tier-vcn-3")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_oke_vcn1 == true && var.oke_vcn1_attach_to_drg == true ? {for cidr in var.oke_vcn1_cidrs : "OKE-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.oke_vcn1_name,"${var.service_label}-oke-vcn-1")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_oke_vcn2 == true && var.oke_vcn2_attach_to_drg == true ? {for cidr in var.oke_vcn2_cidrs : "OKE-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.oke_vcn2_name,"${var.service_label}-oke-vcn-2")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_oke_vcn3 == true && var.oke_vcn3_attach_to_drg == true ? {for cidr in var.oke_vcn3_cidrs : "OKE-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.oke_vcn3_name,"${var.service_label}-oke-vcn-3")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_exa_vcn1 == true && var.exa_vcn1_attach_to_drg == true ? {for cidr in var.exa_vcn1_cidrs : "EXA-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.exa_vcn1_name,"${var.service_label}-exa-vcn-1")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_exa_vcn2 == true && var.exa_vcn2_attach_to_drg == true ? {for cidr in var.exa_vcn2_cidrs : "EXA-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.exa_vcn2_name,"${var.service_label}-exa-vcn-2")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_exa_vcn3 == true && var.exa_vcn3_attach_to_drg == true ? {for cidr in var.exa_vcn3_cidrs : "EXA-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_id = var.oci_nfw_ip_ocid
description = "Traffic destined to ${coalesce(var.exa_vcn3_name,"${var.service_label}-exa-vcn-3")} CIDR ${cidr} goes to OCI Firewall (${var.oci_nfw_ip_ocid})."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {}
)
}
} : {},
{
"HUB-VCN-SERVICE-GATEWAY-ROUTE-TABLE" = {
display_name = "service-gateway-route-table"
route_rules = merge(
local.add_tt_vcn1 == true && var.tt_vcn1_attach_to_drg == true ? {for cidr in var.tt_vcn1_cidrs : "TT-VCN-1-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.tt_vcn1_name,"${var.service_label}-three-tier-vcn-1")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_tt_vcn2 == true && var.tt_vcn2_attach_to_drg == true ? {for cidr in var.tt_vcn2_cidrs : "TT-VCN-2-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.tt_vcn2_name,"${var.service_label}-three-tier-vcn-2")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_tt_vcn3 == true && var.tt_vcn3_attach_to_drg == true ? {for cidr in var.tt_vcn3_cidrs : "TT-VCN-3-${replace(replace(cidr,".",""),"/","")}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.tt_vcn3_name,"${var.service_label}-three-tier-vcn-3")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_oke_vcn1 == true && var.oke_vcn1_attach_to_drg == true ? {for cidr in var.oke_vcn1_cidrs : "OKE-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.oke_vcn1_name,"${var.service_label}-oke-vcn-1")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_oke_vcn2 == true && var.oke_vcn2_attach_to_drg == true ? {for cidr in var.oke_vcn2_cidrs : "OKE-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.oke_vcn2_name,"${var.service_label}-oke-vcn-2")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_oke_vcn3 == true && var.oke_vcn3_attach_to_drg == true ? {for cidr in var.oke_vcn3_cidrs : "OKE-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.oke_vcn3_name,"${var.service_label}-oke-vcn-3")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_exa_vcn1 == true && var.exa_vcn1_attach_to_drg == true ? {for cidr in var.exa_vcn1_cidrs : "EXA-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.exa_vcn1_name,"${var.service_label}-exa-vcn-1")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_exa_vcn2 == true && var.exa_vcn2_attach_to_drg == true ? {for cidr in var.exa_vcn2_cidrs : "EXA-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.exa_vcn2_name,"${var.service_label}-exa-vcn-2")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {},
local.add_exa_vcn3 == true && var.exa_vcn3_attach_to_drg == true ? {for cidr in var.exa_vcn3_cidrs : "EXA-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
network_entity_key = "HUB-DRG"
description = "Traffic destined to ${coalesce(var.exa_vcn3_name,"${var.service_label}-exa-vcn-3")} CIDR ${cidr} goes to DRG."
destination = "${cidr}"
destination_type = "CIDR_BLOCK"
}} : {}
)
}
}
) # closing Route Table merge function
network_security_groups = merge(
local.chosen_firewall_option != "OCINFW" ? {
"HUB-VCN-OUTDOOR-NLB-NSG" = {
display_name = "outdoor-nlb-nsg"
ingress_rules = {
"INGRESS-FROM-ANYWHERE-RULE" = {
description = "Ingress from 0.0.0.0/0 on HTTPS port 443."
stateless = false
protocol = "TCP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
dst_port_min = 443
dst_port_max = 443
}
}
egress_rules = {
"EGRESS-TO-OUTDOOR-FW-NSG-RULE" = {
description = "Egress to Outdoor Firewall NSG."
stateless = false
protocol = "TCP"
dst = "HUB-VCN-OUTDOOR-FW-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
}
}
}
} : {},
local.chosen_firewall_option != "OCINFW" ? {
"HUB-VCN-OUTDOOR-FW-NSG" = {
display_name = "outdoor-fw-nsg"
ingress_rules = {
"INGRESS-FROM-NLB-NSG-RULE" = {
description = "Ingress from Outdoor NLB NSG"
stateless = false
protocol = "TCP"
src = "HUB-VCN-OUTDOOR-NLB-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 80
dst_port_max = 80
}
}
egress_rules = {
"EGRESS-TO-ANYWHERE-RULE" = {
description = "Egress to anywhere over TCP"
stateless = false
protocol = "TCP"
dst = "0.0.0.0/0"
dst_type = "CIDR_BLOCK"
}
}
}
} : {},
local.chosen_firewall_option != "OCINFW" ? {
"HUB-VCN-INDOOR-NLB-NSG" = {
display_name = "indoor-nlb-nsg"
ingress_rules = {
"INGRESS-FROM-ANYWHERE-RULE" = {
description = "Ingress from anywhere over TCP"
stateless = false
protocol = "TCP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
dst_port_min = 80
dst_port_max = 80
}
},
egress_rules = {
"EGRESS-TO-INDOOR-FW-NSG-RULE" = {
description = "Egress to Indoor Firewall NSG"
stateless = false
protocol = "TCP"
dst = "HUB-VCN-INDOOR-FW-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
}
}
}
} : {},
local.chosen_firewall_option != "OCINFW" ? {
"HUB-VCN-INDOOR-FW-NSG" = {
display_name = "indoor-fw-nsg"
ingress_rules = {
"INGRESS-FROM-NLB-NSG-RULE" = {
description = "Ingress from Indoor NLB NSG"
stateless = false
protocol = "TCP"
src = "HUB-VCN-INDOOR-NLB-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 80
dst_port_max = 80
}
},
egress_rules = {
"EGRESS-TO-ANYWHERE-RULE" = {
description = "Egress to anywhere over TCP"
stateless = false
protocol = "TCP"
dst = "0.0.0.0/0"
dst_type = "CIDR_BLOCK"
}
}
}
} : {},
local.chosen_firewall_option != "OCINFW" ? {
"HUB-VCN-MGMT-NSG" = {
display_name = "mgmt-nsg"
ingress_rules = merge(
{ for cidr in var.hub_vcn_mgmt_subnet_external_allowed_cidrs_for_http : "INGRESS-FROM-${cidr}-HTTP-RULE" => {
description = "Ingress from ${cidr} on port 443. Allows inbound HTTP access for on-prem IP addresses."
stateless = false
protocol = "TCP"
src = cidr
src_type = "CIDR_BLOCK"
dst_port_min = 443
dst_port_max = 443
} },
{ for cidr in var.hub_vcn_mgmt_subnet_external_allowed_cidrs_for_ssh : "INGRESS-FROM-${cidr}-SSH-RULE" => {
description = "Ingress from ${cidr} on port 22. Allows inbound SSH access for on-prem IP addresses."
stateless = false
protocol = "TCP"
src = cidr
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
} },
{ "INGRESS-FROM-JUMP-HOST-NSG-SSH-RULE" = {
description = "Ingress from Jump Host NSG to SSH port. Required by hosts deployed in the Jump Host NSG."
stateless = false
protocol = "TCP"
src = "HUB-VCN-JUMP-HOST-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 22
dst_port_max = 22
} },
{ "INGRESS-FROM-MGMT-SUBNET-SSH-RULE" = {
description = "Ingress from Mgmt subnet to SSH port. Required by OCI Bastion Service port forwarding session."
stateless = false
protocol = "TCP"
src = coalesce(var.hub_vcn_mgmt_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 3))
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
} },
{ "INGRESS-FROM-MGMT-SUBNET-HTTP-RULE" = {
description = "Ingress from Mgmt subnet to HTTP port. Required by OCI Bastion Service port forwarding session.",
stateless = false
protocol = "TCP"
src = coalesce(var.hub_vcn_mgmt_subnet_cidr, cidrsubnet(var.hub_vcn_cidrs[0], 2, 3))
src_type = "CIDR_BLOCK"
dst_port_min = 443
dst_port_max = 443
} }) # closing merge function.
}
} : {},
local.chosen_firewall_option != "OCINFW" ? {
"HUB-VCN-JUMP-HOST-NSG" = {
display_name = "jump-host-nsg"
ingress_rules = { for cidr in var.hub_vcn_web_subnet_jump_host_allowed_cidrs : "INGRESS-FROM-${cidr}-RULE" => {
description = "Ingress from ${cidr} on port 22."
stateless = false
protocol = "TCP"
src = cidr
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
}
},
"egress_rules" = {
"EGRESS-TO-MGMT-NSG-SSH-RULE" = {
description = "Egress to Mgmt NSG"
stateless = false
protocol = "TCP"
dst = "HUB-VCN-MGMT-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 22
dst_port_max = 22
}
}
}
} : {},
local.chosen_firewall_option == "OCINFW" ? {
"HUB-VCN-OCI-FIREWALL-NSG" = {
display_name = "oci-firewall-nsg"
ingress_rules = merge(
{for cidr in var.hub_vcn_cidrs : "INGRESS-FROM-HUB-VCN-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.hub_vcn_name,"${var.service_label}-hub-vcn")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
},
local.add_tt_vcn1 == true && var.tt_vcn1_attach_to_drg == true ? {for cidr in var.tt_vcn1_cidrs : "INGRESS-FROM-TT-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.tt_vcn1_name,"${var.service_label}-three-tier-vcn-1")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_tt_vcn2 == true && var.tt_vcn2_attach_to_drg == true ? {for cidr in var.tt_vcn2_cidrs : "INGRESS-FROM-TT-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.tt_vcn2_name,"${var.service_label}-three-tier-vcn-2")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_tt_vcn3 == true && var.tt_vcn3_attach_to_drg == true ? {for cidr in var.tt_vcn3_cidrs : "INGRESS-FROM-TT-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.tt_vcn3_name,"${var.service_label}-three-tier-vcn-3")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn1 == true && var.oke_vcn1_attach_to_drg == true ? {for cidr in var.oke_vcn1_cidrs : "INGRESS-FROM-OKE-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.oke_vcn1_name,"${var.service_label}-oke-vcn-1")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn2 == true && var.oke_vcn2_attach_to_drg == true ? {for cidr in var.oke_vcn2_cidrs : "INGRESS-FROM-OKE-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.oke_vcn2_name,"${var.service_label}-oke-vcn-2")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn3 == true && var.oke_vcn3_attach_to_drg == true ? {for cidr in var.oke_vcn3_cidrs : "INGRESS-FROM-OKE-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.oke_vcn3_name,"${var.service_label}-oke-vcn-3")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn1 == true && var.exa_vcn1_attach_to_drg == true ? {for cidr in var.exa_vcn1_cidrs : "INGRESS-FROM-EXA-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.exa_vcn1_name,"${var.service_label}-exa-vcn-1")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn2 == true && var.exa_vcn2_attach_to_drg == true ? {for cidr in var.exa_vcn2_cidrs : "INGRESS-FROM-EXA-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.exa_vcn2_name,"${var.service_label}-exa-vcn-2")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn3 == true && var.exa_vcn3_attach_to_drg == true ? {for cidr in var.exa_vcn3_cidrs : "INGRESS-FROM-EXA-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Ingress from ${coalesce(var.exa_vcn3_name,"${var.service_label}-exa-vcn-3")}."
stateless = false
protocol = "TCP"
src = "${cidr}"
src_type = "CIDR_BLOCK"
}
} : {}
)
egress_rules = merge(
{for cidr in var.hub_vcn_cidrs : "EGRESS-TO-HUB-VCN-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.hub_vcn_name,"${var.service_label}-hub-vcn")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
},
local.add_tt_vcn1 == true && var.tt_vcn1_attach_to_drg == true ? {for cidr in var.tt_vcn1_cidrs : "EGRESS-TO-TT-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.tt_vcn1_name,"${var.service_label}-three-tier-vcn-1")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_tt_vcn2 == true && var.tt_vcn2_attach_to_drg == true ? {for cidr in var.tt_vcn2_cidrs : "EGRESS-TO-TT-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.tt_vcn2_name,"${var.service_label}-three-tier-vcn-2")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_tt_vcn3 == true && var.tt_vcn3_attach_to_drg == true ? {for cidr in var.tt_vcn3_cidrs : "EGRESS-TO-TT-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.tt_vcn3_name,"${var.service_label}-three-tier-vcn-3")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn1 == true && var.oke_vcn1_attach_to_drg == true ? {for cidr in var.oke_vcn1_cidrs : "EGRESS-TO-OKE-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.oke_vcn1_name,"${var.service_label}-oke-vcn-1")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn2 == true && var.oke_vcn2_attach_to_drg == true ? {for cidr in var.oke_vcn2_cidrs : "EGRESS-TO-OKE-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.oke_vcn2_name,"${var.service_label}-oke-vcn-2")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_oke_vcn3 == true && var.oke_vcn3_attach_to_drg == true ? {for cidr in var.oke_vcn3_cidrs : "EGRESS-TO-OKE-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.oke_vcn3_name,"${var.service_label}-oke-vcn-3")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn1 == true && var.exa_vcn1_attach_to_drg == true ? {for cidr in var.exa_vcn1_cidrs : "EGRESS-TO-EXA-VCN-1-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.exa_vcn1_name,"${var.service_label}-exa-vcn-1")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn2 == true && var.exa_vcn2_attach_to_drg == true ? {for cidr in var.exa_vcn2_cidrs : "EGRESS-TO-EXA-VCN-2-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.exa_vcn2_name,"${var.service_label}-exa-vcn-2")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {},
local.add_exa_vcn3 == true && var.exa_vcn3_attach_to_drg == true ? {for cidr in var.exa_vcn3_cidrs : "EGRESS-TO-EXA-VCN-3-${replace(replace(cidr,".",""),"/","")}}-RULE" => {
description = "Egress to ${coalesce(var.exa_vcn3_name,"${var.service_label}-exa-vcn-3")}."
stateless = false
protocol = "TCP"
dst = "${cidr}"
dst_type = "CIDR_BLOCK"
}
} : {}
)
}
} : {},
local.chosen_firewall_option == "OCINFW" ? {
"HUB-VCN-APP-LOAD-BALANCER" = {
display_name = "app-load-balancer-nsg"
ingress_rules = {
"INGRESS-FROM-INTERNET-RULE" = {
description = "Ingress from Internet"
stateless = false
protocol = "TCP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
dst_port_min = 443
dst_port_max = 443
}
}
egress_rules = {
# These are to be added for the various workloads, and should egress to particular backend servers.
}
}
} : {}
) # closing NSG merge function
vcn_specific_gateways = {
internet_gateways = {
"HUB-VCN-INTERNET-GATEWAY" = {
enabled = true
display_name = "internet-gateway"
route_table_key = coalesce(var.hub_vcn_north_south_entry_point_ocid,local.void) != local.void ? "HUB-VCN-INTERNET-GATEWAY-ROUTE-TABLE" : null
}
}
nat_gateways = {
"HUB-VCN-NAT-GATEWAY" = {
block_traffic = false
display_name = "nat-gateway"
route_table_key = coalesce(var.oci_nfw_ip_ocid,local.void) != local.void ? "HUB-VCN-NAT-GATEWAY-ROUTE-TABLE" : null
}
}
service_gateways = {
"HUB-VCN-SERVICE-GATEWAY" = {
display_name = "service-gateway"
services = "all-services"
route_table_key = "HUB-VCN-SERVICE-GATEWAY-ROUTE-TABLE"
}
}
}
}
} : null
}