Add Hybrid NAT support (#2261)
* Updates to support hybid NAT * Fix readme * Fix variable order
This commit is contained in:
Julio Castillo
@@ -6,6 +6,7 @@ Simple Cloud NAT management, with optional router creation.
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- [Basic Example](#basic-example)
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- [Subnetwork configuration](#subnetwork-configuration)
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- [Reserved IPs and custom rules](#reserved-ips-and-custom-rules)
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- [Hybrid NAT](#hybrid-nat)
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- [Variables](#variables)
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- [Outputs](#outputs)
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<!-- END TOC -->
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@@ -102,6 +103,59 @@ module "nat" {
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}
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# tftest modules=2 resources=5 inventory=rules.yaml e2e
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```
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## Hybrid NAT
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```hcl
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module "vpc1" {
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source = "./fabric/modules/net-vpc"
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project_id = var.project_id
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name = "vpc1"
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subnets = [
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{
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ip_cidr_range = "10.0.0.0/24"
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name = "vpc1-subnet"
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region = var.region
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}
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]
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subnets_private_nat = [
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{
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ip_cidr_range = "192.168.15.0/24"
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name = "vpc1-nat"
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region = var.region
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}
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]
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}
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module "vpc1-nat" {
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source = "./fabric/modules/net-cloudnat"
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project_id = var.project_id
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region = var.region
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name = "vpc1-nat"
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type = "PRIVATE"
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router_network = module.vpc1.id
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config_source_subnetworks = {
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all = false
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subnetworks = [
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{
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self_link = module.vpc1.subnet_ids["${var.region}/vpc1-subnet"]
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}
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]
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}
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config_port_allocation = {
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enable_endpoint_independent_mapping = false
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enable_dynamic_port_allocation = true
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}
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rules = [
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{
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description = "private nat"
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match = "nexthop.is_hybrid"
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source_ranges = [
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module.vpc1.subnets_private_nat["${var.region}/vpc1-nat"].id
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]
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}
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]
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}
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# tftest modules=2 resources=7 inventory=hybrid.yaml
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```
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<!-- BEGIN TFDOC -->
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## Variables
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@@ -111,15 +165,16 @@ module "nat" {
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| [project_id](variables.tf#L82) | Project where resources will be created. | <code>string</code> | ✓ | |
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| [region](variables.tf#L87) | Region where resources will be created. | <code>string</code> | ✓ | |
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| [addresses](variables.tf#L17) | Optional list of external address self links. | <code>list(string)</code> | | <code>[]</code> |
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| [config_port_allocation](variables.tf#L23) | Configuration for how to assign ports to virtual machines. min_ports_per_vm and max_ports_per_vm have no effect unless enable_dynamic_port_allocation is set to 'true'. | <code title="object({ enable_endpoint_independent_mapping = optional(bool, true) enable_dynamic_port_allocation = optional(bool, false) min_ports_per_vm = optional(number, 64) max_ports_per_vm = optional(number, 65536) })">object({…})</code> | | <code>{}</code> |
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| [config_port_allocation](variables.tf#L23) | Configuration for how to assign ports to virtual machines. min_ports_per_vm and max_ports_per_vm have no effect unless enable_dynamic_port_allocation is set to 'true'. | <code title="object({ enable_endpoint_independent_mapping = optional(bool, true) enable_dynamic_port_allocation = optional(bool, false) min_ports_per_vm = optional(number) max_ports_per_vm = optional(number) })">object({…})</code> | | <code>{}</code> |
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| [config_source_subnetworks](variables.tf#L39) | Subnetwork configuration. | <code title="object({ all = optional(bool, true) primary_ranges_only = optional(bool) subnetworks = optional(list(object({ self_link = string all_ranges = optional(bool, true) secondary_ranges = optional(list(string)) })), []) })">object({…})</code> | | <code>{}</code> |
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| [config_timeouts](variables.tf#L58) | Timeout configurations. | <code title="object({ icmp = optional(number, 30) tcp_established = optional(number, 1200) tcp_time_wait = optional(number, 120) tcp_transitory = optional(number, 30) udp = optional(number, 30) })">object({…})</code> | | <code>{}</code> |
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| [config_timeouts](variables.tf#L58) | Timeout configurations. | <code title="object({ icmp = optional(number) tcp_established = optional(number) tcp_time_wait = optional(number) tcp_transitory = optional(number) udp = optional(number) })">object({…})</code> | | <code>{}</code> |
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| [logging_filter](variables.tf#L71) | Enables logging if not null, value is one of 'ERRORS_ONLY', 'TRANSLATIONS_ONLY', 'ALL'. | <code>string</code> | | <code>null</code> |
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| [router_asn](variables.tf#L92) | Router ASN used for auto-created router. | <code>number</code> | | <code>null</code> |
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| [router_create](variables.tf#L98) | Create router. | <code>bool</code> | | <code>true</code> |
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| [router_name](variables.tf#L104) | Router name, leave blank if router will be created to use auto generated name. | <code>string</code> | | <code>null</code> |
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| [router_network](variables.tf#L110) | Name of the VPC used for auto-created router. | <code>string</code> | | <code>null</code> |
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| [rules](variables.tf#L116) | List of rules associated with this NAT. | <code title="list(object({ description = optional(string), match = string source_ips = list(string) }))">list(object({…}))</code> | | <code>[]</code> |
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| [rules](variables.tf#L116) | List of rules associated with this NAT. | <code title="list(object({ description = optional(string) match = string source_ips = optional(list(string)) source_ranges = optional(list(string)) }))">list(object({…}))</code> | | <code>[]</code> |
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| [type](variables.tf#L136) | Whether this Cloud NAT is used for public or private IP translation. One of 'PUBLIC' or 'PRIVATE'. | <code>string</code> | | <code>"PUBLIC"</code> |
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## Outputs
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