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

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

variable "gitlab_net_zone_id" {}
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variable "gitlab_com_zone_id" {}
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## Google

provider "google" {
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  version = "~> 1.8.0"
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  project = "${var.project}"
  region  = "${var.region}"
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}

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##################################
#
#  Allow internal traffic
#
#################################

resource "google_compute_firewall" "allow-internal" {
  name    = "allow-internal-${var.environment}"
  network = "${module.network.self_link}"

  allow {
    protocol = "all"
  }

  source_ranges = ["10.0.0.0/8"]
}

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resource "google_compute_firewall" "allow-lb-traffic" {
  name    = "allow-lb-traffic-${var.environment}"
  network = "${module.network.self_link}"

  allow {
    protocol = "all"
  }

  source_ranges = ["130.211.0.0/22", "35.191.0.0/16"]
}

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

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

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##################################
#
#  Network Peering
#
#################################

resource "google_compute_network_peering" "peering_ops" {
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  name         = "peering-ops"
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  network      = "${var.network_gprd}"
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  peer_network = "${var.network_ops}"
}

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

module "web" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-fe-web]\""
  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}"
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  source            = "../../modules/google/generic-sv-with-group"
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  tier              = "sv"
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  health_check      = "tcp"
  service_port      = 443
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  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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

module "api" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-fe-api]\""
  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}"
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  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 443
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  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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

module "git" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-fe-git]\""
  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}"
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  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 22
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  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  registry front-end
#
#################################

module "registry" {
  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-fe-registry]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["registry"]}"
  machine_type      = "${var.machine_types["registry"]}"
  name              = "registry"
  node_count        = "${var.node_count["registry"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["registry"]}"
  region            = "${var.region}"
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  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 22
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  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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

module "postgres" {
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  bootstrap_version = 3
  data_disk_size    = 5000
  data_disk_type    = "pd-ssd"
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-db-postgres]\",\"role[${var.environment}-base-db-postgres-replication]\""
  dns_zone_name     = "${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            = "${var.region}"
  source            = "../../modules/google/generic-stor"
  tier              = "db"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

module "pg-bouncer" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-db-pgbouncer]\""
  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}"

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  source       = "../../modules/google/generic-sv-with-group"
  health_check = "tcp"
  service_port = 22
  tier         = "db"
  vpc          = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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module "geo-postgres" {
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  bootstrap_version = 3
  data_disk_size    = 5000
  data_disk_type    = "pd-ssd"
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-db-geo-postgres]\""
  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-stor"
  tier              = "db"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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

module "redis" {
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  bootstrap_version     = 3
  data_disk_size        = 100
  data_disk_type        = "pd-ssd"
  chef_provision        = "${var.chef_provision}"
  chef_run_list         = "\"role[${var.environment}-base-db-redis-server-single]\""
  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}"
  service_account_email = "${var.service_account_email}"
  source                = "../../modules/google/generic-stor"
  tier                  = "db"
  vpc                   = "${module.network.self_link}"
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}

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module "redis-cache" {
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  bootstrap_version       = 3
  chef_provision          = "${var.chef_provision}"
  dns_zone_name           = "${var.dns_zone_name}"
  environment             = "${var.environment}"
  ip_cidr_range           = "${var.subnetworks["redis-cache"]}"
  name                    = "redis-cache"
  project                 = "${var.project}"
  public_ports            = "${var.public_ports["redis-cache"]}"
  region                  = "${var.region}"
  redis_chef_run_list     = "\"role[gprd-base-db-redis-server-cache]\""
  redis_count             = "${var.node_count["redis-cache"]}"
  redis_data_disk_size    = 100
  redis_data_disk_type    = "pd-ssd"
  redis_machine_type      = "${var.machine_types["redis-cache"]}"
  sentinel_chef_run_list  = "\"role[gprd-base-db-redis-sentinel-cache]\""
  sentinel_count          = "${var.node_count["redis-cache-sentinel"]}"
  sentinel_data_disk_size = 100
  sentinel_data_disk_type = "pd-ssd"
  sentinel_machine_type   = "${var.machine_types["redis-cache-sentinel"]}"
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  source                  = "../../modules/google/generic-stor-redis"
  tier                    = "db"
  vpc                     = "${module.network.self_link}"
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}

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

module "sidekiq" {
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  bootstrap_version                   = 3
  chef_provision                      = "${var.chef_provision}"
  chef_run_list                       = "\"role[${var.environment}-base-be-sidekiq-besteffort]\""
  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"
  project                             = "${var.project}"
  public_ports                        = "${var.public_ports["sidekiq"]}"
  region                              = "${var.region}"
  sidekiq_asap_count                  = "${var.node_count["sidekiq-asap"]}"
  sidekiq_asap_instance_type          = "${var.machine_types["sidekiq-asap"]}"
  sidekiq_besteffort_count            = "${var.node_count["sidekiq-besteffort"]}"
  sidekiq_besteffort_instance_type    = "${var.machine_types["sidekiq-besteffort"]}"
  sidekiq_traces_count                = "${var.node_count["sidekiq-traces"]}"
  sidekiq_traces_instance_type        = "${var.machine_types["sidekiq-traces"]}"
  sidekiq_elasticsearch_count         = "${var.node_count["sidekiq-elasticsearch"]}"
  sidekiq_elasticsearch_instance_type = "${var.machine_types["sidekiq-elasticsearch"]}"
  sidekiq_pages_count                 = "${var.node_count["sidekiq-pages"]}"
  sidekiq_pages_instance_type         = "${var.machine_types["sidekiq-pages"]}"
  sidekiq_pipeline_count              = "${var.node_count["sidekiq-pipeline"]}"
  sidekiq_pipeline_instance_type      = "${var.machine_types["sidekiq-pipeline"]}"
  sidekiq_pullmirror_count            = "${var.node_count["sidekiq-pullmirror"]}"
  sidekiq_pullmirror_instance_type    = "${var.machine_types["sidekiq-pullmirror"]}"
  sidekiq_realtime_count              = "${var.node_count["sidekiq-realtime"]}"
  sidekiq_realtime_instance_type      = "${var.machine_types["sidekiq-realtime"]}"
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  service_account_email               = "${var.service_account_email}"
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  source                              = "../../modules/google/generic-sv-sidekiq"
  tier                                = "sv"
  vpc                                 = "${module.network.self_link}"
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}

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##################################
#
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#  Mailroom
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#
##################################

module "mailroom" {
  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
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  chef_run_list     = "\"role[${var.environment}-base-be-mailroom]\""
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  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["mailroom"]}"
  machine_type      = "${var.machine_types["mailroom"]}"
  name              = "mailroom"
  node_count        = "${var.node_count["mailroom"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["mailroom"]}"
  region            = "${var.region}"
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  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 22
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  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
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#  Storage nodes for repositories
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#
##################################

module "file" {
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  bootstrap_version = 3
  data_disk_size    = 16000
  data_disk_type    = "pd-ssd"
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-stor-nfs]\""
  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-stor"
  tier              = "stor"
  vpc               = "${module.network.self_link}"
  zone              = "us-east1-c"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  Storage nodes for
#  uploads/lfs/pages/artifacts/builds/cache
#
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#  share:
#    gitlab-ci/builds
#    gitlab-rails/shared/cache
#    gitlab-rails/shared/tmp
#    gitlab-rails/uploads
#
#  lfs:
#    gitlab-rails/shared/lfs-objects
#
#  pages:
#    gitlab-rails/shared/pages
#
#  artifacts:
#    gitlab-rails/shared/artifacts
#
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##################################

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module "share" {
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  bootstrap_version = 3
  data_disk_size    = 16000
  data_disk_type    = "pd-standard"
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-stor]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["share"]}"
  machine_type      = "${var.machine_types["stor"]}"
  name              = "share"
  node_count        = "${var.node_count["share"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["stor"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-stor-dynamic-ip"
  tier              = "stor"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

module "lfs" {
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  bootstrap_version = 3
  data_disk_size    = 16000
  data_disk_type    = "pd-standard"
  chef_run_list     = "\"role[${var.environment}-base-stor]\""
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "${var.empty_chef_run_list}"
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["lfs"]}"
  machine_type      = "${var.machine_types["stor"]}"
  name              = "lfs"
  node_count        = "${var.node_count["lfs"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["stor"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-stor-dynamic-ip"
  tier              = "stor"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

module "pages" {
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  bootstrap_version = 3
  chef_run_list     = "\"role[${var.environment}-base-stor]\""
  data_disk_size    = 16000
  data_disk_type    = "pd-standard"
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "${var.empty_chef_run_list}"
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["pages"]}"
  machine_type      = "${var.machine_types["stor"]}"
  name              = "pages"
  node_count        = "${var.node_count["pages"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["stor"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-stor-dynamic-ip"
  tier              = "stor"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

module "artifacts" {
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  bootstrap_version = 3
  chef_run_list     = "\"role[${var.environment}-base-stor]\""
  data_disk_size    = 32000
  data_disk_type    = "pd-standard"
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "${var.empty_chef_run_list}"
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["artifacts"]}"
  machine_type      = "${var.machine_types["stor"]}"
  name              = "artifacts"
  node_count        = "${var.node_count["artifacts"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["stor"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-stor-dynamic-ip"
  tier              = "stor"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  External LoadBalancer
#
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##################################
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module "fe-lb" {
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  bootstrap_version      = 3
  chef_provision         = "${var.chef_provision}"
  chef_run_list          = "\"role[${var.environment}-base-lb-fe]\""
  dns_zone_name          = "${var.dns_zone_name}"
  environment            = "${var.environment}"
  ip_cidr_range          = "${var.subnetworks["fe-lb"]}"
  machine_type           = "${var.machine_types["fe-lb"]}"
  name                   = "fe"
  node_count             = "${var.node_count["fe-lb"]}"
  project                = "${var.project}"
  public_ports           = "${var.public_ports["fe-lb"]}"
  region                 = "${var.region}"
  service_account_email  = "${var.service_account_email}"
  source                 = "../../modules/google/generic-sv-with-group"
  health_check           = "http"
  service_port           = 8002
  service_path           = "/-/available-https"
  tier                   = "lb"
  vpc                    = "${module.network.self_link}"
  create_backend_service = false
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}
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##################################
#
#  External LoadBalancer Pages
#
##################################

module "fe-lb-pages" {
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  bootstrap_version     = 3
  chef_provision        = "${var.chef_provision}"
  chef_run_list         = "\"role[${var.environment}-base-lb-pages]\""
  dns_zone_name         = "${var.dns_zone_name}"
  environment           = "${var.environment}"
  ip_cidr_range         = "${var.subnetworks["fe-lb-pages"]}"
  machine_type          = "${var.machine_types["fe-lb"]}"
  name                  = "fe-pages"
  node_count            = "${var.node_count["fe-lb-pages"]}"
  project               = "${var.project}"
  public_ports          = "${var.public_ports["fe-lb"]}"
  region                = "${var.region}"
  service_account_email = "${var.service_account_email}"
  source                = "../../modules/google/generic-sv-with-group"
  health_check          = "http"
  service_port          = 7331
  tier                  = "lb"
  vpc                   = "${module.network.self_link}"
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}

##################################
#
#  External LoadBalancer AltSSH
#
##################################

module "fe-lb-altssh" {
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  bootstrap_version     = 3
  chef_provision        = "${var.chef_provision}"
  chef_run_list         = "\"role[${var.environment}-base-lb-altssh]\""
  dns_zone_name         = "${var.dns_zone_name}"
  environment           = "${var.environment}"
  ip_cidr_range         = "${var.subnetworks["fe-lb-altssh"]}"
  machine_type          = "${var.machine_types["fe-lb"]}"
  name                  = "fe-altssh"
  node_count            = "${var.node_count["fe-lb-altssh"]}"
  project               = "${var.project}"
  public_ports          = "${var.public_ports["fe-lb"]}"
  region                = "${var.region}"
  service_account_email = "${var.service_account_email}"
  source                = "../../modules/google/generic-sv-with-group"
  health_check          = "http"
  service_port          = 7331
  tier                  = "lb"
  vpc                   = "${module.network.self_link}"
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}

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##################################
#
#  GCP TCP LoadBalancers
#
##################################

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#### Load balancer for the main site
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module "gcp-tcp-lb" {
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  name                   = "gcp-tcp-lb"
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  lb_count               = "${length(var.tcp_lbs["names"])}"
  names                  = "${var.tcp_lbs["names"]}"
  fqdn                   = "${var.lb_fqdn}"
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  gitlab_zone_id         = "${var.gitlab_com_zone_id}"
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  environment            = "${var.environment}"
  region                 = "${var.region}"
  project                = "${var.project}"
  source                 = "../../modules/google/tcp-lb"
  targets                = ["fe"]
  forwarding_port_ranges = "${var.tcp_lbs["forwarding_port_ranges"]}"
  health_check_ports     = "${var.tcp_lbs["health_check_ports"]}"
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  instances              = ["${module.fe-lb.instances_self_link}"]
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}

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### The regional backend service that is required for the internal
### load balancer. Unlike global backend services every instance
### group _must_ contain at least one instance. Also you cannot
### have both a global and a regional backend service.

resource "google_compute_region_backend_service" "internal-lb" {
  name     = "${format("%v-internal-lb", var.environment)}"
  protocol = "TCP"

  backend {
    group = "${module.fe-lb.instance_groups_self_link[1]}"
  }

  health_checks = ["${module.fe-lb.http_health_check_self_link}"]
}

###### Internal Load balancer for the main site
module "gcp-tcp-lb-internal" {
  name                   = "gcp-tcp-lb-internal"
  lb_count               = "${length(var.tcp_lbs_internal["names"])}"
  names                  = "${var.tcp_lbs_internal["names"]}"
  fqdn                   = "${var.lb_fqdn_internal}"
  gitlab_zone_id         = "${var.gitlab_com_zone_id}"
  environment            = "${var.environment}"
  region                 = "${var.region}"
  project                = "${var.project}"
  source                 = "../../modules/google/tcp-lb"
  targets                = ["fe"]
  forwarding_port_ranges = "${var.tcp_lbs_internal["forwarding_port_ranges"]}"
  health_check_ports     = "${var.tcp_lbs_internal["health_check_ports"]}"
  instances              = ["${module.fe-lb.instances_self_link}"]

  ### Additional options only for internal lb
  external             = false
  vpc                  = "${module.network.self_link}"
  subnetwork_self_link = "${module.fe-lb.google_compute_subnetwork_self_link}"
  backend_service      = "${google_compute_region_backend_service.internal-lb.self_link}"
}

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#### Load balancer for pages
module "gcp-tcp-lb-pages" {
  name                   = "gcp-tcp-lb-pages"
  lb_count               = "${length(var.tcp_lbs_pages["names"])}"
  names                  = "${var.tcp_lbs_pages["names"]}"
  fqdn                   = "${var.lb_fqdn_pages}"
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  gitlab_zone_id         = "${var.gitlab_com_zone_id}"
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  environment            = "${var.environment}"
  region                 = "${var.region}"
  project                = "${var.project}"
  source                 = "../../modules/google/tcp-lb"
  targets                = ["fe-pages"]
  forwarding_port_ranges = "${var.tcp_lbs_pages["forwarding_port_ranges"]}"
  health_check_ports     = "${var.tcp_lbs_pages["health_check_ports"]}"
  instances              = ["${module.fe-lb-pages.instances_self_link}"]
}

#### Load balancer for altssh
module "gcp-tcp-lb-altssh" {
  name                   = "gcp-tcp-lb-altssh"
  lb_count               = "${length(var.tcp_lbs_altssh["names"])}"
  names                  = "${var.tcp_lbs_altssh["names"]}"
  fqdn                   = "${var.lb_fqdn_altssh}"
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  gitlab_zone_id         = "${var.gitlab_com_zone_id}"
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  environment            = "${var.environment}"
  region                 = "${var.region}"
  project                = "${var.project}"
  source                 = "../../modules/google/tcp-lb"
  targets                = ["fe-altssh"]
  forwarding_port_ranges = "${var.tcp_lbs_altssh["forwarding_port_ranges"]}"
  health_check_ports     = "${var.tcp_lbs_altssh["health_check_ports"]}"
  instances              = ["${module.fe-lb-altssh.instances_self_link}"]
}

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#### Load balancer for bastion
module "gcp-tcp-lb-bastion" {
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  environment            = "${var.environment}"
  forwarding_port_ranges = "${var.tcp_lbs_bastion["forwarding_port_ranges"]}"
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  fqdn                   = "${var.lb_fqdn_bastion}"
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  gitlab_zone_id         = "${var.gitlab_com_zone_id}"
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  health_check_ports     = "${var.tcp_lbs_bastion["health_check_ports"]}"
  instances              = ["${module.bastion.instances_self_link}"]
  lb_count               = "${length(var.tcp_lbs_bastion["names"])}"
  name                   = "gcp-tcp-lb-bastion"
  names                  = "${var.tcp_lbs_bastion["names"]}"
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  project                = "${var.project}"
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  region                 = "${var.region}"
  session_affinity       = "CLIENT_IP"
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  source                 = "../../modules/google/tcp-lb"
  targets                = ["bastion"]
}

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##################################
#
#  Consul
#
##################################

module "consul" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[gprd-infra-consul]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["consul"]}"
  machine_type      = "${var.machine_types["consul"]}"
  name              = "consul"
  node_count        = "${var.node_count["consul"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["consul"]}"
  region            = "${var.region}"
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  service_port      = 8300
  source            = "../../modules/google/generic-sv-with-group"
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  tier              = "inf"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  Pubsubbeats
#
#  Machines for running the beats
#  that consume logs from pubsub
#  and send them to elastic cloud
#
#  You must have a chef role with the
#  following format:
#     role[<env>-infra-pubsubbeat-<beat_name>]
#
##################################

module "pubsubbeat" {
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  bootstrap_version         = 3
  allow_stopping_for_update = true
  names                     = "${var.pubsubbeats["names"]}"
  machine_types             = "${var.pubsubbeats["machine_types"]}"
  chef_provision            = "${var.chef_provision}"
  chef_run_list             = "\"role[gprd-infra-consul]\""
  dns_zone_name             = "${var.dns_zone_name}"
  environment               = "${var.environment}"
  ip_cidr_range             = "${var.subnetworks["pubsubbeat"]}"
  project                   = "${var.project}"
  public_ports              = "${var.public_ports["pubsubbeat"]}"
  region                    = "${var.region}"
  health_check              = "tcp"
  service_port              = 22
  source                    = "../../modules/google/pubsubbeat"
  tier                      = "inf"
  vpc                       = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
}

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##################################
#
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#  Monitoring
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#
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#  Uses the monitoring module, this
#  creates a single instance behind
#  a load balancer with identity aware
#  proxy enabled.
#
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##################################

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resource "google_compute_subnetwork" "monitoring" {
  name                     = "${format("monitoring-%v", var.environment)}"
  network                  = "${module.network.self_link}"
  project                  = "${var.project}"
  region                   = "${var.region}"
  ip_cidr_range            = "${var.subnetworks["monitoring"]}"
  private_ip_google_access = true
}

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# resource "google_compute_firewall" "monitoring" {
#   name    = "${format("monitoring-%v", var.environment)}"
#   network = "${module.network.self_link}"
#
#   allow {
#     protocol = "tcp"
#     ports    = ["${var.public_ports["monitoring"]}"]
#   }
#
#   source_ranges = ["0.0.0.0/0"]
#   target_tags   = ["${keys(var.monitoring_hosts)}"]
# }
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#######################
#
# load balancer for all hosts in this section
#
#######################

module "monitoring-lb" {
  subnetwork_name    = "${google_compute_subnetwork.monitoring.name}"
  environment        = "${var.environment}"
  source             = "../../modules/google/monitoring-lb"
  name               = "monitoring-lb"
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  gitlab_net_zone_id = "${var.gitlab_net_zone_id}"
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  project            = "${var.project}"
  region             = "${var.region}"
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  gitlab_net_zone_id = "${var.gitlab_net_zone_id}"
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  cert_link          = "${var.monitoring_cert_link}"
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  service_ports      = ["${values(var.monitoring_hosts)}"]
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  url_map            = "${google_compute_url_map.monitoring-lb.self_link}"
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  hosts              = ["${keys(var.monitoring_hosts)}"]
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}

#######################

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module "performance" {
  attach_data_disk     = true
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  bootstrap_version    = 3
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  chef_provision       = "${var.chef_provision}"
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  chef_run_list        = "\"role[${var.environment}-private-grafana]\""
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  data_disk_size       = 100
  data_disk_type       = "pd-standard"
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  dns_zone_name        = "${var.dns_zone_name}"
  environment          = "${var.environment}"
  machine_type         = "${var.machine_types["monitoring"]}"
  name                 = "performance"
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  node_count           = 1
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  oauth2_client_id     = "${var.oauth2_client_id_monitoring}"
  oauth2_client_secret = "${var.oauth2_client_secret_monitoring}"
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  persistent_disk_path = "/opt"
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  project              = "${var.project}"
  region               = "${var.region}"
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  service_path         = "/login"
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  service_port         = "${var.monitoring_hosts["performance.${var.environment}"]}"
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  source               = "../../modules/google/monitoring-with-count"
  subnetwork_name      = "${google_compute_subnetwork.monitoring.name}"
  tier                 = "inf"
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  service_account_email = "${var.service_account_email}"
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}

module "prometheus" {
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  attach_data_disk     = true
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  bootstrap_version    = 3
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  chef_provision       = "${var.chef_provision}"
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  chef_run_list        = "\"role[${var.environment}-infra-prometheus]\""
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  data_disk_size       = 1000
  data_disk_type       = "pd-standard"
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  dns_zone_name        = "${var.dns_zone_name}"
  environment          = "${var.environment}"
  machine_type         = "${var.machine_types["monitoring"]}"
  name                 = "prometheus"
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  node_count           = 1
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  oauth2_client_id     = "${var.oauth2_client_id_monitoring}"
  oauth2_client_secret = "${var.oauth2_client_secret_monitoring}"
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  persistent_disk_path = "/opt/prometheus"
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  project              = "${var.project}"
  region               = "${var.region}"
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  service_path         = "/graph"
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  service_port         = "${var.monitoring_hosts["prometheus.${var.environment}"]}"
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  source               = "../../modules/google/monitoring-with-count"
  subnetwork_name      = "${google_compute_subnetwork.monitoring.name}"
  tier                 = "inf"
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  service_account_email = "${var.service_account_email}"
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}

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module "prometheus-app" {
  attach_data_disk     = true
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  bootstrap_version    = 3
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  chef_provision       = "${var.chef_provision}"
  chef_run_list        = "\"role[${var.environment}-infra-prometheus-app]\""
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  data_disk_size       = 1000
  data_disk_type       = "pd-standard"
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  dns_zone_name        = "${var.dns_zone_name}"
  environment          = "${var.environment}"
  machine_type         = "${var.machine_types["monitoring"]}"
  name                 = "prometheus-app"
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  node_count           = 1
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  oauth2_client_id     = "${var.oauth2_client_id_monitoring}"
  oauth2_client_secret = "${var.oauth2_client_secret_monitoring}"
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  persistent_disk_path = "/opt/prometheus"
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  project              = "${var.project}"
  region               = "${var.region}"
  service_path         = "/graph"
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  service_port         = "${var.monitoring_hosts["prometheus-app.${var.environment}"]}"
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  source               = "../../modules/google/monitoring-with-count"
  subnetwork_name      = "${google_compute_subnetwork.monitoring.name}"
  tier                 = "inf"
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  service_account_email = "${var.service_account_email}"
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}

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module "alerts" {
  node_count           = 1
  bootstrap_version    = 3
  subnetwork_name      = "${google_compute_subnetwork.monitoring.name}"
  attach_data_disk     = true
  data_disk_size       = 100
  data_disk_type       = "pd-standard"
  chef_provision       = "${var.chef_provision}"
  chef_run_list        = "\"role[${var.environment}-infra-alerts]\""
  dns_zone_name        = "${var.dns_zone_name}"
  environment          = "${var.environment}"
  machine_type         = "${var.machine_types["monitoring"]}"
  name                 = "alerts"
  project              = "${var.project}"
  region               = "${var.region}"
  source               = "../../modules/google/monitoring-with-count"
  tier                 = "inf"
  persistent_disk_path = "/opt"
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  service_port         = "${var.monitoring_hosts["alerts.${var.environment}"]}"
  oauth2_client_id     = "${var.oauth2_client_id_monitoring}"
  oauth2_client_secret = "${var.oauth2_client_secret_monitoring}"
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  health_check         = "tcp"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  Console
#
##################################

module "console" {
  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-console-node]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["console"]}"
  machine_type      = "${var.machine_types["console"]}"
  name              = "console"
  node_count        = "${var.node_count["console"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["console"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 22
  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  Deploy
#
##################################

module "deploy" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-deploy-node]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["deploy"]}"
  machine_type      = "${var.machine_types["deploy"]}"
  name              = "deploy"
  node_count        = "${var.node_count["deploy"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["deploy"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 22
  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  Runner
#
##################################

module "runner" {
  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-runner]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["runner"]}"
  machine_type      = "${var.machine_types["runner"]}"
  name              = "runner"
  node_count        = "${var.node_count["runner"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["runner"]}"
  region            = "${var.region}"
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  source            = "../../modules/google/generic-sv-with-group"
  health_check      = "tcp"
  service_port      = 22
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  tier              = "sv"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}

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##################################
#
#  VPN connection to Azure
#
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#  Currently disabled as it isn't
#  necessary
#
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##################################

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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}"
}
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##################################
#
#  Bastion
#
##################################

module "bastion" {
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  bootstrap_version = 3
  chef_provision    = "${var.chef_provision}"
  chef_run_list     = "\"role[${var.environment}-base-bastion]\""
  dns_zone_name     = "${var.dns_zone_name}"
  environment       = "${var.environment}"
  ip_cidr_range     = "${var.subnetworks["bastion"]}"
  machine_type      = "${var.machine_types["bastion"]}"
  name              = "bastion"
  node_count        = "${var.node_count["bastion"]}"
  project           = "${var.project}"
  public_ports      = "${var.public_ports["bastion"]}"
  region            = "${var.region}"
  source            = "../../modules/google/generic-sv-with-group"
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  health_check      = "http"
  service_port      = 80
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  tier              = "inf"
  vpc               = "${module.network.self_link}"
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  service_account_email = "${var.service_account_email}"
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}
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##################################
#
#  Logging for StackDriver
#
##################################

resource "google_storage_bucket" "log" {
  name = "gitlab-${var.environment}-logging-archive"
}

resource "google_logging_project_sink" "log" {
  name = "${var.environment}-logging-sink"

  destination = "storage.googleapis.com/${google_storage_bucket.log.name}"
  filter      = "resource.type = gce_instance"

  # Use a unique writer (creates a unique service account used for writing)
  unique_writer_identity = true
}

resource "google_project_iam_binding" "log" {
  role = "roles/storage.objectCreator"

  members = [
    "${google_logging_project_sink.log.writer_identity}",
  ]
}