Merge branch 'modularize'
Tom Alexander
3 years ago
commit
6e99a33921
GPG Key ID:
D3A179C9A53C0EDE
@ -0,0 +1,210 @@
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variable "project" {
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description = "Project ID."
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type = string
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}
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variable "region" {
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description = "Region."
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type = string
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}
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variable "service_cloudkms" {
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description = "cloudkms service."
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}
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variable "private_network_id" {
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description = "Private network id."
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type = string
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}
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variable "private_subnetwork_id" {
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description = "Private subnetwork id."
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type = string
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}
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output "gke_connect_command" {
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description = "Command to run to connect to the kubernetes cluster."
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value = "gcloud container clusters get-credentials ${google_container_cluster.primary.name} --region ${var.region} --project ${var.project}"
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}
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data "google_project" "project" {
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project_id = var.project
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}
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#################### KMS ##################################
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resource "random_id" "gke_db" {
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byte_length = 4
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}
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resource "google_kms_key_ring" "gke_db" {
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project = var.project
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name = "gke-db-${random_id.gke_db.hex}"
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location = var.region
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lifecycle {
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#prevent_destroy = true
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}
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depends_on = [
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var.service_cloudkms
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]
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}
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resource "google_kms_key_ring_iam_policy" "gke_db" {
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key_ring_id = google_kms_key_ring.gke_db.id
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policy_data = data.google_iam_policy.gke_db.policy_data
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depends_on = [
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var.service_cloudkms
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]
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}
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resource "google_kms_crypto_key" "gke_db" {
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name = "gke-db-key"
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key_ring = google_kms_key_ring.gke_db.id
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lifecycle {
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#prevent_destroy = true
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}
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depends_on = [
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google_project_service.container
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]
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}
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data "google_iam_policy" "gke_db" {
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binding {
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role = "roles/cloudkms.cryptoKeyEncrypterDecrypter"
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members = [
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"serviceAccount:service-${data.google_project.project.number}@container-engine-robot.iam.gserviceaccount.com"
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]
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}
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}
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#################### GKE ##################################
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resource "google_project_service" "container" {
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project = var.project
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service = "container.googleapis.com"
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disable_dependent_services = true
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}
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resource "google_project_service" "containerregistry" {
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project = var.project
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service = "containerregistry.googleapis.com"
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disable_dependent_services = true
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}
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resource "google_service_account" "gke" {
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project = var.project
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account_id = "gke-service-account"
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display_name = "GKE Service Account"
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}
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# Allow GKE to access custom docker images in GCR
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resource "google_storage_bucket_iam_member" "gke_gcr" {
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bucket = "artifacts.${google_service_account.gke.project}.appspot.com"
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role = "roles/storage.objectViewer"
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member = "serviceAccount:${google_service_account.gke.email}"
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depends_on = [
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google_project_service.containerregistry
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]
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}
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resource "google_container_cluster" "primary" {
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project = var.project
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name = "gke-cluster"
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location = var.region
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network = var.private_network_id
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subnetwork = var.private_subnetwork_id
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remove_default_node_pool = true
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initial_node_count = 1
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enable_shielded_nodes = true
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min_master_version = "1.19.10-gke.1000"
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database_encryption {
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state = "ENCRYPTED"
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key_name = google_kms_crypto_key.gke_db.self_link
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}
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maintenance_policy {
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daily_maintenance_window {
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start_time = "03:00"
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}
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}
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workload_identity_config {
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identity_namespace = "${data.google_project.project.project_id}.svc.id.goog"
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}
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release_channel {
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channel = "STABLE"
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}
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master_auth {
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username = ""
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password = ""
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}
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ip_allocation_policy {
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cluster_ipv4_cidr_block = "/16"
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services_ipv4_cidr_block = "/20"
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}
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lifecycle {
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#prevent_destroy = true
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}
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depends_on = [
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google_project_service.container,
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google_kms_key_ring_iam_policy.gke_db
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]
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}
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resource "google_container_node_pool" "primary" {
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project = google_container_cluster.primary.project
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name_prefix = "node-pool"
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location = var.region
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cluster = google_container_cluster.primary.name
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initial_node_count = 1
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autoscaling {
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min_node_count = 0
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max_node_count = 20
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}
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node_config {
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preemptible = true
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machine_type = "e2-medium"
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service_account = google_service_account.gke.email
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oauth_scopes = [
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"https://www.googleapis.com/auth/cloud-platform"
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]
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metadata = {
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disable-legacy-endpoints = "true"
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}
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tags = []
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shielded_instance_config {
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enable_secure_boot = true
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enable_integrity_monitoring = true
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}
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}
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lifecycle {
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ignore_changes = [
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node_count
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]
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}
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depends_on = [
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google_project_service.container
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]
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}
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