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## State storage
terraform {
  backend "s3" {}
}

## AWS
provider "aws" {
  region = "us-east-1"
}

variable "gitlab_com_zone_id" {}
variable "gitlab_net_zone_id" {}

## Google

provider "google" {
  credentials = "${file("../../private/google-credentials/${var.environment}.json")}"
  project     = "${var.project}"
  region      = "${var.region}"
}

/*
##################################
#
#  NAT gateway
#
#################################
module "nat" {
  source     = "GoogleCloudPlatform/nat-gateway/google"
  region     = "${var.region}"
  network    = "gprd"
}
*/
##################################
#
#  Network
#
#################################

module "network" {
  source      = "../../modules/google/vpc"
  project     = "${var.project}"
  environment = "${var.environment}"
}

##################################
#
#  Web front-end
#
#################################

module "web" {
  attach_data_disk = false
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["web"]}"
  machine_type     = "${var.machine_types["web"]}"
  name             = "web"
  node_count       = "${var.node_count["web"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["web"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "fe"
  vpc              = "${module.network.self_link}"
}

##################################
#
#  API
#
#################################

module "api" {
  attach_data_disk = false
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["api"]}"
  machine_type     = "${var.machine_types["api"]}"
  name             = "api"
  node_count       = "${var.node_count["api"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["api"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "sv"
  vpc              = "${module.network.self_link}"
}

##################################
#
#  Git
#
##################################

module "git" {
  attach_data_disk = false
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["git"]}"
  machine_type     = "${var.machine_types["git"]}"
  name             = "git"
  node_count       = "${var.node_count["git"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["git"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "sv"
  vpc              = "${module.network.self_link}"
}

##################################
#
#  Database
#
#################################

module "postgres" {
  attach_data_disk = true
  data_disk_size   = 5000
  data_disk_type   = "pd-ssd"
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["db"]}"
  machine_type     = "${var.machine_types["db"]}"
  name             = "postgres"
  node_count       = "${var.node_count["db"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["db"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "db"
  vpc              = "${module.network.self_link}"
}

module "pg-bouncer" {
  attach_data_disk = false
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["pgb"]}"
  machine_type     = "${var.machine_types["pgb"]}"
  name             = "pgbouncer"
  node_count       = "${var.node_count["pgb"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["pgb"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "db"
  vpc              = "${module.network.self_link}"
}

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module "geo-postgres" {
  attach_data_disk = true
  data_disk_size   = 5000
  data_disk_type   = "pd-ssd"
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["geodb"]}"
  machine_type     = "${var.machine_types["geodb"]}"
  name             = "geo-postgres"
  node_count       = "${var.node_count["geodb"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["geodb"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "db"
  vpc              = "${module.network.self_link}"
}

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##################################
#
#  Redis
#
##################################

module "redis" {
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  attach_data_disk = true
  data_disk_size   = 100
  data_disk_type   = "pd-ssd"
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  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["redis"]}"
  machine_type     = "${var.machine_types["redis"]}"
  name             = "redis"
  node_count       = "${var.node_count["redis"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["redis"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "db"
  vpc              = "${module.network.self_link}"
}

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module "redis-cache" {
  attach_data_disk = true
  data_disk_size   = 100
  data_disk_type   = "pd-ssd"
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["redis-cache"]}"
  machine_type     = "${var.machine_types["redis-cache"]}"
  name             = "redis-cache"
  node_count       = "${var.node_count["redis-cache"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["redis-cache"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "db"
  vpc              = "${module.network.self_link}"
}

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##################################
#
#  Sidekiq
#
##################################

module "sidekiq" {
  attach_data_disk = false
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["sidekiq"]}"
  machine_type     = "${var.machine_types["sidekiq-besteffort"]}"
  name             = "sidekiq-besteffort"
  node_count       = "${var.node_count["sidekiq-besteffort"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["sidekiq"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "sv"
  vpc              = "${module.network.self_link}"
}

##################################
#
#  Storage
#
##################################

module "file" {
  attach_data_disk = true

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  // data_disk_size = 16000
  data_disk_size = 1000
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  data_disk_type = "pd-ssd"
  chef_provision = "${var.chef_provision}"
  chef_run_list  = "${var.base_chef_run_list}"
  dns_zone_name  = "${var.dns_zone_name}"
  environment    = "${var.environment}"
  ip_cidr_range  = "${var.subnetworks["stor"]}"
  machine_type   = "${var.machine_types["stor"]}"
  name           = "file"
  node_count     = "${var.node_count["stor"]}"
  project        = "${var.project}"
  public_ports   = "${var.public_ports["stor"]}"
  region         = "${var.region}"
  source         = "../../modules/google/generic-pet"
  tier           = "stor"
  vpc            = "${module.network.self_link}"
}

##################################
#
#  External LoadBalancer
#
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##################################
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module "external-lb" {
  attach_data_disk = false
  chef_provision   = "${var.chef_provision}"
  chef_run_list    = "${var.base_chef_run_list}"
  dns_zone_name    = "${var.dns_zone_name}"
  environment      = "${var.environment}"
  ip_cidr_range    = "${var.subnetworks["exlb"]}"
  machine_type     = "${var.machine_types["exlb"]}"
  name             = "ext"
  node_count       = "${var.node_count["exlb"]}"
  project          = "${var.project}"
  public_ports     = "${var.public_ports["exlb"]}"
  region           = "${var.region}"
  source           = "../../modules/google/generic-pet"
  tier             = "lb"
  vpc              = "${module.network.self_link}"
}
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##################################
#
#  VPN connection to Azure
#
##################################

module "google-azure-vpn" {
  source        = "../../modules/google/vpn"
  name          = "gcp-azure-${var.environment}"
  network_name  = "${module.network.self_link}"
  network_link  = "${module.network.name}"
  region        = "${var.region}"
  peer_ip       = "${var.vpn_peer_address}"
  shared_secret = "${var.vpn_shared_secret}"
  dest_subnet   = "${var.vpn_dest_subnet}"
  source_subnet = "${var.vpn_source_subnet}"
}