main.tf

terraform {

  # Requiring Providers
  # https://www.terraform.io/language/providers/requirements#requiring-providers

  required_providers {

    # Datadog Provider
    # https://registry.terraform.io/providers/DataDog/datadog/latest/docs

    datadog = {
      source = "datadog/datadog"
    }

    # Google Cloud Platform Provider
    # https://registry.terraform.io/providers/hashicorp/google/latest/docs

    google = {
      source = "hashicorp/google"
    }
  }
}

provider "datadog" {
  api_key = var.datadog_api_key
  app_key = var.datadog_app_key
}

# Datadog Google Cloud Platform Integration Module (osinfra.io)
# https://github.com/osinfra-io/terraform-datadog-google-integration

module "datadog" {
  source = "github.com/osinfra-io/terraform-datadog-google-integration?ref=v0.3.0"
  count  = var.datadog_enable ? 1 : 0

  api_key                            = var.datadog_api_key
  is_cspm_enabled                    = true
  is_security_command_center_enabled = true
  labels                             = local.labels
  project                            = module.project.id
}

# Google Project Module (osinfra.io)
# https://github.com/osinfra-io/terraform-google-project

module "project" {
  source = "github.com/osinfra-io/terraform-google-project?ref=v0.4.3"

  billing_account                 = var.project_billing_account
  cis_2_2_logging_sink_project_id = var.project_cis_2_2_logging_sink_project_id
  description                     = "k8s"
  environment                     = local.env
  folder_id                       = var.project_folder_id
  labels                          = local.labels
  monthly_budget_amount           = var.project_monthly_budget_amount
  prefix                          = "plt"

  services = [
    "billingbudgets.googleapis.com",
    "certificatemanager.googleapis.com",
    "cloudasset.googleapis.com",
    "cloudbilling.googleapis.com",
    "cloudkms.googleapis.com",
    "cloudresourcemanager.googleapis.com",
    "compute.googleapis.com",
    "container.googleapis.com",
    "dns.googleapis.com",
    "gkehub.googleapis.com",
    "iam.googleapis.com",
    "monitoring.googleapis.com",
    "multiclusteringress.googleapis.com",
    "multiclusterservicediscovery.googleapis.com",
    "servicenetworking.googleapis.com",
    "serviceusage.googleapis.com",
    "trafficdirector.googleapis.com"
  ]
}

# Google Kubernetes Engine Module (osinfra.io)
# https://github.com/osinfra-io/terraform-google-kubernetes-engine

module "kubernetes_engine" {
  source = "github.com/osinfra-io/terraform-google-kubernetes-engine?ref=v0.1.8"

  namespaces = var.kubernetes_engine_namespaces
  project    = module.project.id
}

# Kubernetes Istio Module (osinfra.io)
# https://github.com/osinfra-io/terraform-kubernetes-istio

module "kubernetes_istio" {
  source = "github.com/osinfra-io/terraform-kubernetes-istio?ref=v0.1.4"

  gateway_dns = var.kubernetes_istio_gateway_dns
  labels      = local.labels
  project     = module.project.id
}