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allow configurating to use single_nat_gateway #51

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Merged
davidcheung merged 1 commit into from
Jul 9, 2020
Merged

allow configurating to use single_nat_gateway #51

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2 changes: 2 additions & 0 deletions templates/terraform/environments/staging/main.tf
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Expand Up @@ -37,6 +37,8 @@ module "staging" {
]
domain_name = "<% index .Params `stagingHostRoot` %>"

vpc_use_single_nat_gateway = true

# DB configuration
db_instance_class = "db.t3.small"
db_storage_gb = 20
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1 change: 1 addition & 0 deletions templates/terraform/modules/environment/main.tf
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Expand Up @@ -15,6 +15,7 @@ module "vpc" {
environment = var.environment
region = var.region
kubernetes_cluster_name = local.kubernetes_cluster_name
single_nat_gateway = var.vpc_use_single_nat_gateway
}

# To get the current account id
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6 changes: 6 additions & 0 deletions templates/terraform/modules/environment/variables.tf
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Expand Up @@ -57,3 +57,9 @@ variable "db_instance_class" {
variable "db_storage_gb" {
description = "The amount of storage to allocate for the db, in GB"
}

variable "vpc_use_single_nat_gateway" {
description = "Use single nat-gateway instead of nat-gateway per subnet"
type = bool
default = true
}
2 changes: 2 additions & 0 deletions templates/terraform/modules/vpc/main.tf
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Expand Up @@ -21,6 +21,8 @@ module "vpc" {
}

enable_nat_gateway = true
single_nat_gateway = var.single_nat_gateway

enable_vpn_gateway = false
enable_dns_hostnames = true

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5 changes: 5 additions & 0 deletions templates/terraform/modules/vpc/variables.tf
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Expand Up @@ -13,3 +13,8 @@ variable "region" {
variable "kubernetes_cluster_name" {
description = "Kubernetes cluster name used to associate with subnets for auto LB placement"
}

variable "single_nat_gateway" {
description = "Use single nat-gateway instead of nat-gateway per subnet"
type = bool
}