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net_oke_vcns.tf
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net_oke_vcns.tf
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# Copyright (c) 2024 Oracle and/or its affiliates.
# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
locals {
oke_vcn_1 = var.add_oke_vcn1 == true ? {
"OKE-VCN-1" = {
display_name = coalesce(var.oke_vcn1_name, "${var.service_label}-oke-vcn-1")
is_ipv6enabled = false
is_oracle_gua_allocation_enabled = false
cidr_blocks = var.oke_vcn1_cidrs,
dns_label = replace(coalesce(var.oke_vcn1_dns, "oke-vcn-1"), "-", "")
block_nat_traffic = false
subnets = merge(
{
"OKE-VCN-1-API-SUBNET" = {
cidr_block = coalesce(var.oke_vcn1_api_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 14, 0))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn1_api_subnet_name, "${var.service_label}-oke-vcn-1-api-subnet")
dns_label = replace(coalesce(var.oke_vcn1_api_subnet_dns, "api-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-1-API-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-1-API-SUBNET-SL"]
}
},
{
"OKE-VCN-1-WORKERS-SUBNET" = {
cidr_block = coalesce(var.oke_vcn1_workers_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 8, 1))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn1_workers_subnet_name, "${var.service_label}-oke-vcn-1-workers-subnet")
dns_label = replace(coalesce(var.oke_vcn1_workers_subnet_dns, "workers-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-1-WORKERS-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-1-WORKERS-SUBNET-SL"]
}
},
{
"OKE-VCN-1-SERVICES-SUBNET" = {
cidr_block = coalesce(var.oke_vcn1_services_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 8, 2))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn1_services_subnet_name, "${var.service_label}-oke-vcn-1-services-subnet")
dns_label = replace(coalesce(var.oke_vcn1_services_subnet_dns, "services-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = false
prohibit_public_ip_on_vnic = false
route_table_key = "OKE-VCN-1-SERVICES-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-1-SERVICES-SUBNET-SL"]
}
},
var.add_oke_vcn1_mgmt_subnet ? {
"OKE-VCN-1-MGMT-SUBNET" = {
cidr_block = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 12, 48))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn1_mgmt_subnet_name, "${var.service_label}-oke-vcn-1-mgmt-subnet")
dns_label = replace(coalesce(var.oke_vcn1_mgmt_subnet_dns, "mgmt-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-1-MGMT-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-1-MGMT-SUBNET-SL"]
}
} : {},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"OKE-VCN-1-PODS-SUBNET" = {
cidr_block = coalesce(var.oke_vcn1_pods_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 3, 1))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn1_pods_subnet_name, "${var.service_label}-oke-vcn-1-pods-subnet")
dns_label = replace(coalesce(var.oke_vcn1_pods_subnet_dns, "pods-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-1-PODS-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-1-PODS-SUBNET-SL"]
}
} : {}
)
security_lists = merge({
"OKE-VCN-1-API-SUBNET-SL" = {
display_name = "${coalesce(var.oke_vcn1_api_subnet_name, "${var.service_label}-oke-vcn-1-api-subnet")}-security-list"
egress_rules = []
ingress_rules = [
{
description = "Allows inbound ICMP traffic for path discovery"
stateless = false
protocol = "ICMP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
]
}
},
{
"OKE-VCN-1-WORKERS-SUBNET-SL" = {
display_name = "${coalesce(var.oke_vcn1_workers_subnet_name, "${var.service_label}-oke-vcn-1-workers-subnet")}-security-list"
egress_rules = []
ingress_rules = [
{
description = "Allows inbound ICMP traffic for path discovery"
stateless = false
protocol = "ICMP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
]
}
},
{
"OKE-VCN-1-SERVICES-SUBNET-SL" = {
display_name = "${coalesce(var.oke_vcn1_services_subnet_name, "${var.service_label}-oke-vcn-1-services-subnet")}-security-list"
egress_rules = []
ingress_rules = [
{
description = "Ingress ICMP for path discovery"
stateless = false
protocol = "ICMP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
]
}
},
var.add_oke_vcn1_mgmt_subnet ? {
"OKE-VCN-1-MGMT-SUBNET-SL" = {
display_name = "${coalesce(var.oke_vcn1_mgmt_subnet_name, "${var.service_label}-oke-vcn-1-mgmt-subnet")}-security-list"
ingress_rules = [
{
description = "Allows inbound ICMP traffic for path discovery."
stateless = false
protocol = "ICMP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
},
{
description = "Allows inbound SSH access from hosts in the mgmt subnet. Required for OCI Bastion service endpoints in the mgmt subnet to reach Operator host in the mgmt subnet."
stateless = false
protocol = "TCP"
src = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 12, 48))
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
}
]
egress_rules = [
{
description = "Allows outbound SSH traffic from MGMT subnet to hosts in the MGMT subnet, for Bastion service."
stateless = false
protocol = "TCP"
dst = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 12, 48))
dst_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
},
{
description = "Egress for bastion service to API endpoint"
stateless = false
protocol = "TCP"
dst = coalesce(var.oke_vcn1_api_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 14, 0))
dst_type = "CIDR_BLOCK"
dst_port_min = 6443
dst_port_max = 6443
},
{
description = "Egress for bastion service to worker nodes"
stateless = false
protocol = "TCP"
dst = coalesce(var.oke_vcn1_workers_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 8, 1))
dst_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
}
]
}
} : {},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"OKE-VCN-1-PODS-SUBNET-SL" = {
display_name = "${coalesce(var.oke_vcn1_pods_subnet_name, "${var.service_label}-oke-vcn-1-pods-subnet")}-security-list"
egress_rules = []
ingress_rules = [
{
description = "Ingress ICMP for path discovery"
stateless = false
protocol = "ICMP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
]
}
} : {}
)
route_tables = merge({
"OKE-VCN-1-API-SUBNET-ROUTE-TABLE" = {
display_name = "api-subnet-route-table"
route_rules = merge(
(local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"SGW-RULE" = {
network_entity_key = "OKE-VCN-1-SERVICE-GATEWAY"
description = "Route for sgw"
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
}
} : {
"HUB-DRG-RULE" = {
network_entity_key = "HUB-DRG"
description = "Route to HUB DRG"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
},
(local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) && upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"NATGW-RULE" = {
network_entity_key = "OKE-VCN-1-NAT-GATEWAY"
description = "Route for internet access via NAT GW"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
} : {}
)
}
},
{
"OKE-VCN-1-WORKERS-SUBNET-ROUTE-TABLE" = {
display_name = "workers-subnet-route-table"
route_rules = merge(
(local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"SGW-RULE" = {
network_entity_key = "OKE-VCN-1-SERVICE-GATEWAY"
description = "Route for sgw"
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
},
"NATGW-RULE" = {
network_entity_key = "OKE-VCN-1-NAT-GATEWAY"
description = "Route for internet access via NAT GW"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
} : {
"HUB-DRG-RULE" = {
network_entity_key = "HUB-DRG"
description = "Route to HUB DRG"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
},
local.oke_vcn_1_drg_routing
)
}
},
{
"OKE-VCN-1-SERVICES-SUBNET-ROUTE-TABLE" = {
display_name = "services-subnet-route-table"
route_rules = (local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"IGW-RULE" = {
network_entity_key = "OKE-VCN-1-INTERNET-GATEWAY"
description = "Route for igw"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
} : {
"HUB-DRG-RULE" = {
network_entity_key = "HUB-DRG"
description = "Route to HUB DRG"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
}
}
},
var.add_oke_vcn1_mgmt_subnet ? {
"OKE-VCN-1-MGMT-SUBNET-ROUTE-TABLE" = {
display_name = "mgmt-subnet-route-table"
route_rules = (local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"SGW-RULE" = {
network_entity_key = "OKE-VCN-1-SERVICE-GATEWAY"
description = "Route for sgw"
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
}
"NATGW-RULE" = {
network_entity_key = "OKE-VCN-1-NAT-GATEWAY"
description = "Route for NAT Gateway"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
} : {
"HUB-DRG-RULE" = {
network_entity_key = "HUB-DRG"
description = "Route to HUB DRG"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
}
}
} : {},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"OKE-VCN-1-PODS-SUBNET-ROUTE-TABLE" = {
display_name = "pods-subnet-route-table"
route_rules = merge((local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"SGW-RULE" = {
network_entity_key = "OKE-VCN-1-SERVICE-GATEWAY"
description = "Route for sgw"
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
},
"NATGW-RULE" = {
network_entity_key = "OKE-VCN-1-NAT-GATEWAY"
description = "Route for internet access via NAT GW"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
} : {
"HUB-DRG-RULE" = {
network_entity_key = "HUB-DRG"
description = "Route to HUB DRG"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
},
local.oke_vcn_1_drg_routing
)
}
} : {}
)
network_security_groups = merge({
"OKE-VCN-1-API-NSG" = {
display_name = "api-nsg"
egress_rules = merge(
{
"EGRESS-TO-SERVICES-API-RULE" = {
description = "Allow TCP egress from OKE control plane to OCI services"
stateless = false
protocol = "TCP"
dst = "all-services"
dst_type = "SERVICE_CIDR_BLOCK"
}
},
{
"EGRESS-TO-KUBELET-API-RULE" = {
description = "Allow TCP egress from OKE control plane to Kubelet on worker nodes."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 10250
dst_port_max = 10250
}
},
{
"EGRESS-TO-WORKERS-API-RULE" = {
description = "Allow TCP egress from OKE control plane to worker node"
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 12250
dst_port_max = 12250
}
},
{
"EGRESS-TO-WORKERS-ICMP-API-RULE" = {
description = "Allows outbound ICMP to worker nodes path discovery."
stateless = false
protocol = "ICMP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
icmp_type = 3
icmp_code = 4
}
},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"EGRESS-TO-API-API-RULE" = {
description = "Allow TCP egress for Kubernetes control plane inter-communication"
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
"EGRESS-TO-PODS-API-RULE" = {
description = "Allow Kubernetes API endpoint to communicate with pods."
stateless = false
protocol = "ALL"
dst = "OKE-VCN-1-PODS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
}
} : {}
)
ingress_rules = merge(
{
"INGRESS-FROM-WORKERS-6443-API-RULE" = {
description = "Allows inbound TCP from worker nodes."
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-WORKERS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
},
{
"INGRESS-FROM-WORKERS-10250-API-RULE" = {
description = "Allows inbound TCP from worker nodes."
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-WORKERS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 10250
dst_port_max = 10250
}
},
{
"INGRESS-FROM-WORKERS-12250-API-RULE" = {
description = "Allows inbound TCP from worker nodes."
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-WORKERS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 12250
dst_port_max = 12250
}
},
upper(var.oke_vcn1_cni_type) == "FLANNEL" ? {
"INGRESS-FROM-MGMT-API-RULE" = {
description = "Allows inbound TCP from mgmt subnet."
stateless = false
protocol = "TCP"
src = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 4, 3))
src_type = "CIDR_BLOCK"
dst_port_min = 6443
dst_port_max = 6443
}
} : upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"INGRESS-FROM-API-API-RULE" = {
description = "Allow TCP ingress for Kubernetes control plane inter-communication."
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-API-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
"INGRESS-FROM-BASTION-API-RULE" = {
description = "Bastion service access to Kubernetes API endpoint"
stateless = false
protocol = "TCP"
src = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 4, 3))
src_type = "CIDR_BLOCK"
dst_port_min = 6443
dst_port_max = 6443
}
"INGRESS-FROM-WORKERS-ICMP-API-RULE" = {
description = "Allow ICMP ingress for path discovery from worker nodes."
stateless = false
protocol = "ICMP"
src = "OKE-VCN-1-WORKERS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
icmp_type = 3
icmp_code = 4
}
"INGRESS-FROM-PODS-6443-API-RULE" = {
description = "Pod to Kubernetes API endpoint communication (when using VCN-native pod networking)"
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-PODS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
"INGRESS-FROM-PODS-12250-API-RULE" = {
description = "Pod to Kubernetes API endpoint communication (when using VCN-native pod networking)"
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-PODS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 12250
dst_port_max = 12250
}
} : {},
upper(var.oke_vcn1_cni_type) == "NATIVE" && var.add_oke_vcn1_mgmt_subnet ? {
"INGRESS-FROM-OPERATOR-API-RULE" = {
description = "Operator access to Kubernetes API endpoint"
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-MGMT-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
} : {}
)
}
"OKE-VCN-1-WORKERS-NSG" = {
display_name = "workers-nsg"
egress_rules = merge(
{
"EGRESS-TO-WORKERS-WORKERS-RULE" = {
description = "Allows outbound access to worker nodes."
stateless = false
protocol = "ALL"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
}
"EGRESS-TO-SERVICES-WORKERS-RULE" = {
description = "Allows outbound TCP egress to OCI Services."
stateless = false
protocol = "TCP"
dst = "all-services"
dst_type = "SERVICE_CIDR_BLOCK"
}
"EGRESS-TO-API-WORKERS-RULE" = {
description = "Allows outbound TCP to OKE API endpoint."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
"EGRESS-TO-CONTROL-PLANE-10250-WORKERS-RULE" = {
description = "Allows outbound TCP to OKE control plane health check."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 10250
dst_port_max = 10250
}
"EGRESS-TO-CONTROL-PLANE-12250-WORKERS-RULE" = {
description = "Allows outbound TCP egress to OKE control plane."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 12250
dst_port_max = 12250
}
"EGRESS-TO-ANYWHERE-ICMP-WORKERS-RULE" = {
description = "Allows outbound ICMP for path discovery."
stateless = false
protocol = "ICMP"
dst = "0.0.0.0/0"
dst_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
"EGRESS-TO-ANYWHERE-TCP-WORKERS-RULE" = {
description = "(optional) Allows worker nodes to communicate with the Internet."
stateless = false
protocol = "TCP"
dst = "0.0.0.0/0"
dst_type = "CIDR_BLOCK"
}
},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"EGRESS-TO-PODS-WORKERS-RULE" = {
description = "Allow worker nodes to access pods."
stateless = false
protocol = "ALL"
dst = "OKE-VCN-1-PODS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
}
} : {},
local.oke_vcn_1_to_workers_subnet_cross_vcn_egress,
local.oke_vcn_1_to_services_subnet_cross_vcn_egress,
local.oke_vcn_1_to_pods_subnet_cross_vcn_egress,
local.oke_vcn_1_to_client_subnet_cross_vcn_egress,
local.oke_vcn_1_to_web_subnet_cross_vcn_egress,
local.oke_vcn_1_to_app_subnet_cross_vcn_egress,
local.oke_vcn_1_to_db_subnet_cross_vcn_egress
)
ingress_rules = merge({
"INGRESS-FROM-WORKERS-ALL-WORKERS-RULE" = {
description = "Allows all inbound traffic from worker nodes."
stateless = false
protocol = "ALL"
src = "OKE-VCN-1-WORKERS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
}
"INGRESS-FROM-API-WORKERS-RULE" = {
description = "Allows all inbound traffic from OKE control plane for webhooks served by workers."
stateless = false
protocol = "ALL"
src = "OKE-VCN-1-API-NSG"
src_type = "NETWORK_SECURITY_GROUP"
}
"INGRESS-FROM-LB-10256-WORKERS-RULE" = {
description = "Allows inbound TCP for health check from public load balancers."
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-SERVICES-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 10256
dst_port_max = 10256
}
"INGRESS-FROM-LB-TCP-WORKERS-RULE" = {
description = "Allows inbound TCP from public load balancers."
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-SERVICES-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 30000
dst_port_max = 32767
}
},
upper(var.oke_vcn1_cni_type) == "FLANNEL" ? {
"INGRESS-FROM-MGMT-WORKERS-RULE" = {
description = "Allows inbound SSH access from mgmt subnet."
stateless = false
protocol = "TCP"
src = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 12, 48))
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
}
} : upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"INGRESS-FROM-ANYWHERE-ICMP-WORKERS-RULE" = {
description = "Allow ICMP ingress to workers for path discovery."
stateless = false
protocol = "ICMP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
"INGRESS-FROM-BASTION-WORKERS-RULE" = {
description = "Bastion service ssh access to workers"
stateless = false
protocol = "TCP"
src = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 12, 48))
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
}
} : {},
upper(var.oke_vcn1_cni_type) == "NATIVE" && var.add_oke_vcn1_mgmt_subnet ? {
"INGRESS-FROM-OPERATOR-WORKERS-RULE" = {
description = "Operator ssh access to workers"
stateless = false
protocol = "TCP"
src = "OKE-VCN-1-MGMT-NSG"
src_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 22
dst_port_max = 22
}
} : {},
local.oke_vcn_1_to_workers_subnet_cross_vcn_ingress
)
}
"OKE-VCN-1-SERVICES-NSG" = {
display_name = "services-nsg"
egress_rules = merge({
"EGRESS-TO-WORKERS-NSG-RULE" = {
description = "Allows outbound TCP to workers nodes for NodePort traffic."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 30000
dst_port_max = 32767
}
"EGRESS-TO-WORKERS-TCP-RULE" = {
description = "Allows outbound TCP egress to worker nodes for health checks."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 10256
dst_port_max = 10256
}
"EGRESS-TO-WORKERS-ICMP-RULE" = {
description = "Allow outbound ICMP to worker nodes for path discovery."
stateless = false
protocol = "ICMP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
icmp_type = 3
icmp_code = 4
}
},
local.oke_vcn_1_to_workers_subnet_cross_vcn_egress,
local.oke_vcn_1_to_pods_subnet_cross_vcn_egress
)
ingress_rules = merge({
"INGRESS-FROM-ANYWHERE-TCP-RULE" = {
description = "Allows inbound TCP."
stateless = false
protocol = "TCP"
src = "0.0.0.0/0"
src_type = "CIDR_BLOCK"
dst_port_min = 443
dst_port_max = 443
}
},
local.oke_vcn_1_to_services_subnet_cross_vcn_ingress
)
}
},
var.add_oke_vcn1_mgmt_subnet ? {
"OKE-VCN-1-MGMT-NSG" = {
display_name = "mgmt-nsg"
egress_rules = merge({
"EGRESS-TO-SERVICE-GATEWAY-RULE" = {
description = "Allows outbound TCP to OCI services."
stateless = false
protocol = "TCP"
dst = "all-services"
dst_type = "SERVICE_CIDR_BLOCK"
}
"EGRESS-TO-ANYWHERE-RULE" = {
description = "Allows outbound connections to anywhere."
stateless = false
protocol = "TCP"
dst = "0.0.0.0/0"
dst_type = "CIDR_BLOCK"
}
},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"EGRESS-TO-API-RULE" = {
description = "Allows TCP outbound traffic from mgmt subnet to Kubernetes API server, for OKE management."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
"EGRESS-TO-WORKERS-RULE" = {
description = "Allows outbound SSH to worker nodes."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-WORKERS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 22
dst_port_max = 22
}
} : {}
)
ingress_rules = upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"INGRESS-FROM-SSH-RULE" = {
description = "Allows inbound SSH access."
stateless = false
protocol = "TCP"
src = coalesce(var.oke_vcn1_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn1_cidrs[0], 12, 48))
src_type = "CIDR_BLOCK"
dst_port_min = 22
dst_port_max = 22
}
} : {}
}
} : {},
upper(var.oke_vcn1_cni_type) == "NATIVE" ? {
"OKE-VCN-1-PODS-NSG" = {
display_name = "pods-nsg"
egress_rules = merge({
"EGRESS-TO-PODS-RULE" = {
description = "Allow pods to communicate with other pods."
stateless = false
protocol = "ALL"
dst = "OKE-VCN-1-PODS-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
}
"EGRESS-TO-ICMP-RULE" = {
description = "Path Discovery."
stateless = false
protocol = "ICMP"
dst = "all-services"
dst_type = "SERVICE_CIDR_BLOCK"
icmp_type = 3
icmp_code = 4
}
"EGRESS-TO-SERVICES-TCP-RULE" = {
description = "Allow TCP egress from pods to OCI Services."
stateless = false
protocol = "TCP"
dst = "all-services"
dst_type = "SERVICE_CIDR_BLOCK"
}
"EGRESS-TO-INTERNET-RULE" = {
description = "(optional) Allow pods nodes to communicate with internet."
stateless = false
protocol = "TCP"
dst = "0.0.0.0/0"
dst_type = "CIDR_BLOCK"
}
"EGRESS-TO-API-RULE" = {
description = "Allow TCP egress from pods to Kubernetes API server."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 6443
dst_port_max = 6443
}
"EGRESS-TO-API-12250-RULE" = {
description = "Allow TCP egress from pods to OKE control plane."
stateless = false
protocol = "TCP"
dst = "OKE-VCN-1-API-NSG"
dst_type = "NETWORK_SECURITY_GROUP"
dst_port_min = 12250
dst_port_max = 12250
}
},
local.oke_vcn_1_to_workers_subnet_cross_vcn_egress,
local.oke_vcn_1_to_services_subnet_cross_vcn_egress,
local.oke_vcn_1_to_pods_subnet_cross_vcn_egress,
local.oke_vcn_1_to_client_subnet_cross_vcn_egress,
local.oke_vcn_1_to_web_subnet_cross_vcn_egress,
local.oke_vcn_1_to_app_subnet_cross_vcn_egress,
local.oke_vcn_1_to_db_subnet_cross_vcn_egress
)
ingress_rules = merge({
"INGRESS-FROM-WORKERS-RULE" = {
description = "Allow worker nodes to access pods."
stateless = false
protocol = "ALL"
src = "OKE-VCN-1-WORKERS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
}
"INGRESS-FROM-API-RULE" = {
description = "Allow Kubernetes API endpoint to communicate with pods."
stateless = false
protocol = "ALL"
src = "OKE-VCN-1-API-NSG"
src_type = "NETWORK_SECURITY_GROUP"
}
"INGRESS-TO-PODS-RULE" = {
description = "Allow pods to communicate with other pods."
stateless = false
protocol = "ALL"
src = "OKE-VCN-1-PODS-NSG"
src_type = "NETWORK_SECURITY_GROUP"
}
},
local.oke_vcn_1_to_pods_subnet_cross_vcn_ingress
)
}
} : {}
)
vcn_specific_gateways = (local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
internet_gateways = {
// don't deploy when deploying Hub VCN
"OKE-VCN-1-INTERNET-GATEWAY" = {
enabled = true
display_name = "oke-vcn-internet-gateway"
}
}
nat_gateways = {
// don't deploy when deploying Hub VCN
"OKE-VCN-1-NAT-GATEWAY" = {
block_traffic = false
display_name = "oke-vcn-nat-gateway"
}
}
service_gateways = {
// don't deploy when deploying Hub VCN
"OKE-VCN-1-SERVICE-GATEWAY" = {
display_name = "oke-vcn-service-gateway"
services = "all-services"
}
}
} : {}
}
} : {}
oke_vcn_2 = var.add_oke_vcn2 == true ? {
"OKE-VCN-2" = {
display_name = coalesce(var.oke_vcn2_name, "${var.service_label}-oke-vcn-2")
is_ipv6enabled = false
is_oracle_gua_allocation_enabled = false
cidr_blocks = var.oke_vcn2_cidrs,
dns_label = replace(coalesce(var.oke_vcn2_dns, "oke-vcn-2"), "-", "")
block_nat_traffic = false
subnets = merge(
{
"OKE-VCN-2-API-SUBNET" = {
cidr_block = coalesce(var.oke_vcn2_api_subnet_cidr, cidrsubnet(var.oke_vcn2_cidrs[0], 14, 0))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn2_api_subnet_name, "${var.service_label}-oke-vcn-2-api-subnet")
dns_label = replace(coalesce(var.oke_vcn2_api_subnet_dns, "api-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-2-API-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-2-API-SUBNET-SL"]
}
},
{
"OKE-VCN-2-WORKERS-SUBNET" = {
cidr_block = coalesce(var.oke_vcn2_workers_subnet_cidr, cidrsubnet(var.oke_vcn2_cidrs[0], 8, 1))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn2_workers_subnet_name, "${var.service_label}-oke-vcn-2-workers-subnet")
dns_label = replace(coalesce(var.oke_vcn2_workers_subnet_dns, "workers-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-2-WORKERS-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-2-WORKERS-SUBNET-SL"]
}
},
{
"OKE-VCN-2-SERVICES-SUBNET" = {
cidr_block = coalesce(var.oke_vcn2_services_subnet_cidr, cidrsubnet(var.oke_vcn2_cidrs[0], 8, 2))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn2_services_subnet_name, "${var.service_label}-oke-vcn-2-services-subnet")
dns_label = replace(coalesce(var.oke_vcn2_services_subnet_dns, "services-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = false
prohibit_public_ip_on_vnic = false
route_table_key = "OKE-VCN-2-SERVICES-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-2-SERVICES-SUBNET-SL"]
}
},
var.add_oke_vcn2_mgmt_subnet ? {
"OKE-VCN-2-MGMT-SUBNET" = {
cidr_block = coalesce(var.oke_vcn2_mgmt_subnet_cidr, cidrsubnet(var.oke_vcn2_cidrs[0], 12, 48))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn2_mgmt_subnet_name, "${var.service_label}-oke-vcn-2-mgmt-subnet")
dns_label = replace(coalesce(var.oke_vcn2_mgmt_subnet_dns, "mgmt-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-2-MGMT-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-2-MGMT-SUBNET-SL"]
}
} : {},
upper(var.oke_vcn2_cni_type) == "NATIVE" ? {
"OKE-VCN-2-PODS-SUBNET" = {
cidr_block = coalesce(var.oke_vcn2_pods_subnet_cidr, cidrsubnet(var.oke_vcn2_cidrs[0], 3, 1))
dhcp_options_key = "default_dhcp_options"
display_name = coalesce(var.oke_vcn2_pods_subnet_name, "${var.service_label}-oke-vcn-2-pods-subnet")
dns_label = replace(coalesce(var.oke_vcn2_pods_subnet_dns, "pods-subnet"), "-", "")
ipv6cidr_blocks = []
prohibit_internet_ingress = true
prohibit_public_ip_on_vnic = true
route_table_key = "OKE-VCN-2-PODS-SUBNET-ROUTE-TABLE"
security_list_keys = ["OKE-VCN-2-PODS-SUBNET-SL"]
}
} : {}
)
route_tables = merge({
"OKE-VCN-2-API-SUBNET-ROUTE-TABLE" = {
display_name = "api-subnet-route-table"
route_rules = merge(
(local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"SGW-RULE" = {
network_entity_key = "OKE-VCN-2-SERVICE-GATEWAY"
description = "Route for sgw"
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
}
} : {
"HUB-DRG-RULE" = {
network_entity_key = "HUB-DRG"
description = "Route to HUB DRG"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
},
(local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) && upper(var.oke_vcn2_cni_type) == "NATIVE" ? {
"NATGW-RULE" = {
network_entity_key = "OKE-VCN-2-NAT-GATEWAY"
description = "Route for internet access via NAT GW"
destination = "0.0.0.0/0"
destination_type = "CIDR_BLOCK"
}
} : {}
)
}
},
{
"OKE-VCN-2-WORKERS-SUBNET-ROUTE-TABLE" = {
display_name = "workers-subnet-route-table"
route_rules = merge(
(local.hub_options[var.hub_deployment_option] != 3 && local.hub_options[var.hub_deployment_option] != 4) ? {
"SGW-RULE" = {
network_entity_key = "OKE-VCN-2-SERVICE-GATEWAY"
description = "Route for sgw"
destination = "all-services"
destination_type = "SERVICE_CIDR_BLOCK"
},
"NATGW-RULE" = {
network_entity_key = "OKE-VCN-2-NAT-GATEWAY"