feat: added sql database (#72)

Co-authored-by: Andrew Peabody <[email protected]>
Co-authored-by: Grant Sorbo <[email protected]>

2-multitenant/modules/env_baseline/db.tf

@@ -0,0 +1,74 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# CloudSQL Postgres instance
+module "cloudsql" {
+  source  = "GoogleCloudPlatform/sql-db/google//modules/postgresql"
+  version = "~> 20.0"
+
+  for_each = data.google_compute_subnetwork.default
+
+  project_id = local.cluster_project_id
+  region     = each.value.region
+
+  name                = "db-${each.value.region}-${var.env}"
+  database_version    = "POSTGRES_14"
+  enable_default_db   = false
+  tier                = "db-custom-1-3840"
+  deletion_protection = false
+  availability_type   = "REGIONAL"
+
+  additional_databases = [
+    {
+      name      = "accounts-db"
+      charset   = ""
+      collation = ""
+    },
+    {
+      name      = "ledger-db"
+      charset   = ""
+      collation = ""
+    }
+  ]
+  user_name     = "admin"
+  user_password = "admin" # this is a security risk - do not do this for real world use-cases!
+}
+
+resource "google_service_account" "bank_of_anthos" {
+  project      = local.cluster_project_id
+  account_id   = "bank-of-anthos"
+  display_name = "bank-of-anthos"
+}
+
+resource "google_project_iam_member" "bank_of_anthos" {
+  for_each = toset(["roles/cloudsql.client", "roles/cloudsql.instanceUser"])
+  project  = local.cluster_project_id
+  role     = each.value
+  member   = "serviceAccount:${google_service_account.bank_of_anthos.email}"
+}
+
+resource "google_service_account_iam_binding" "workload_identity" {
+  service_account_id = google_service_account.bank_of_anthos.name
+  role               = "roles/iam.workloadIdentityUser"
+
+  members = [
+    "serviceAccount:${local.cluster_project_id}.svc.id.goog[accounts-${var.env}/bank-of-anthos]",
+    "serviceAccount:${local.cluster_project_id}.svc.id.goog[ledger-${var.env}/bank-of-anthos]",
+  ]
+
+  depends_on = [
+    module.gke.identity_namespace
+  ]
+}
+

2-multitenant/modules/env_baseline/main.tf

@@ -51,7 +51,8 @@ module "eab_cluster_project" {
     "multiclusterservicediscovery.googleapis.com",
     "trafficdirector.googleapis.com",
     "anthosconfigmanagement.googleapis.com",
-    "sourcerepo.googleapis.com"
+    "sourcerepo.googleapis.com",
+    "sqladmin.googleapis.com"
   ]
 }
 

test/setup/main.tf

@@ -65,6 +65,7 @@ module "project" {
     "servicemanagement.googleapis.com",
     "serviceusage.googleapis.com",
     "sourcerepo.googleapis.com",
+    "sqladmin.googleapis.com",
     "cloudbilling.googleapis.com"
   ]
 }