New module for Cloud SQL instances

tests/examples/variables.tf

@@ -60,7 +60,7 @@ variable "subnet" {
 variable "vpc" {
   default = {
     name      = "vpc_name"
-    self_link = "vpc_self_link"
+    self_link = "projects/xxx/global/networks/yyy"
   }
 }
 

tests/modules/cloudsql_instance/__init__.py

@@ -0,0 +1,13 @@
+# Copyright 2021 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.

tests/modules/cloudsql_instance/fixture/main.tf

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 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.
+ */
+
+module "test" {
+  source               = "../../../../modules/cloudsql-instance"
+  project_id           = "my-project"
+  authorized_networks  = var.authorized_networks
+  availability_type    = var.availability_type
+  backup_configuration = var.backup_configuration
+  database_version     = var.database_version
+  databases            = var.databases
+  disk_size            = var.disk_size
+  disk_type            = var.disk_type
+  flags                = var.flags
+  labels               = var.labels
+  name                 = var.name
+  network              = var.network
+  prefix               = var.prefix
+  region               = var.region
+  replicas             = var.replicas
+  users                = var.users
+  tier                 = var.tier
+  deletion_protection  = var.deletion_protection
+}

tests/modules/cloudsql_instance/fixture/variables.tf

@@ -0,0 +1,106 @@
+/**
+ * Copyright 2021 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.
+ */
+
+variable "authorized_networks" {
+  type    = map(string)
+  default = null
+}
+
+variable "availability_type" {
+  type    = string
+  default = "ZONAL"
+}
+
+variable "backup_configuration" {
+  type = object({
+    enabled            = bool
+    binary_log_enabled = bool
+  })
+  default = {
+    enabled            = false
+    binary_log_enabled = false
+  }
+}
+
+variable "database_version" {
+  type    = string
+  default = "POSTGRES_13"
+}
+
+variable "databases" {
+  type    = list(string)
+  default = null
+}
+
+variable "disk_size" {
+  type    = number
+  default = null
+}
+
+variable "disk_type" {
+  type    = string
+  default = "PD_SSD"
+}
+
+variable "flags" {
+  type    = map(string)
+  default = null
+}
+
+variable "labels" {
+  type    = map(string)
+  default = null
+}
+
+variable "name" {
+  type    = string
+  default = "db"
+}
+
+variable "network" {
+  type    = string
+  default = "projects/xxx/global/networks/yyy"
+}
+
+variable "prefix" {
+  type    = string
+  default = null
+}
+
+variable "region" {
+  type    = string
+  default = "europe-west1"
+}
+
+variable "replicas" {
+  type    = map(any)
+  default = null
+}
+
+variable "users" {
+  type    = map(string)
+  default = null
+}
+
+variable "tier" {
+  type    = string
+  default = "db-g1-small"
+}
+
+variable "deletion_protection" {
+  type    = bool
+  default = false
+}

tests/modules/cloudsql_instance/test_plan.py

@@ -0,0 +1,125 @@
+# Copyright 2021 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.
+
+import os
+import pytest
+
+from collections import Counter
+
+FIXTURES_DIR = os.path.join(os.path.dirname(__file__), 'fixture')
+
+from pprint import pprint
+
+
+def test_simple_instance(plan_runner):
+  "Test standalone instance."
+  _, resources = plan_runner(FIXTURES_DIR)
+
+  pprint(resources)
+  assert len(resources) == 1
+  r = resources[0]
+  assert r['values']['project'] == 'my-project'
+  assert r['values']['name'] == 'db'
+  assert r['values']['region'] == 'europe-west1'
+
+
+def test_prefix(plan_runner):
+  "Test instance prefix."
+  _, resources = plan_runner(FIXTURES_DIR, prefix="prefix")
+
+  assert len(resources) == 1
+  r = resources[0]
+  assert r['values']['name'] == 'prefix-db'
+
+  replicas = """{
+    replica1 = "europe-west3"
+    replica2 = "us-central1"
+  }"""
+
+  _, resources = plan_runner(FIXTURES_DIR, prefix="prefix")
+  assert len(resources) == 1
+  r = resources[0]
+  assert r['values']['name'] == 'prefix-db'
+
+
+def test_replicas(plan_runner):
+  "Test replicated instance."
+
+  replicas = """{
+    replica1 = "europe-west3"
+    replica2 = "us-central1"
+  }"""
+  _, resources = plan_runner(FIXTURES_DIR, replicas=replicas, prefix="prefix")
+  assert len(resources) == 3
+
+  primary = [r for r in resources if r['name'] == 'primary'][0]
+  replica1 = [
+      r for r in resources
+      if r['name'] == 'replicas' and r['index'] == 'replica1'
+  ][0]
+  replica2 = [
+      r for r in resources
+      if r['name'] == 'replicas' and r['index'] == 'replica2'
+  ][0]
+
+  assert replica1['values']['name'] == 'prefix-replica1'
+  assert replica2['values']['name'] == 'prefix-replica2'
+
+  assert replica1['values']['master_instance_name'] == 'prefix-db'
+  assert replica2['values']['master_instance_name'] == 'prefix-db'
+
+  assert replica1['values']['region'] == 'europe-west3'
+  assert replica2['values']['region'] == 'us-central1'
+
+
+def test_mysql_replicas_enables_backup(plan_runner):
+  replicas = """{
+    replica1 = "europe-west3"
+  }"""
+  _, resources = plan_runner(FIXTURES_DIR,
+                             replicas=replicas,
+                             database_version="MYSQL_8_0")
+  assert len(resources) == 2
+  primary = [r for r in resources if r['name'] == 'primary'][0]
+  backup_config = primary['values']['settings'][0]['backup_configuration'][0]
+  assert backup_config['enabled']
+  assert backup_config['binary_log_enabled']
+
+
+def test_users(plan_runner):
+  "Test user creation."
+
+  users = """{
+    user1 = "123"
+    user2 = null
+  }"""
+  _, resources = plan_runner(FIXTURES_DIR, users=users)
+  types = Counter(r['type'] for r in resources)
+  assert types == {
+      'google_sql_user': 2,
+      'google_sql_database_instance': 1,
+      'random_password': 1
+  }
+
+
+def test_databases(plan_runner):
+  "Test database creation."
+
+  databases = '["db1", "db2"]'
+  _, resources = plan_runner(FIXTURES_DIR, databases=databases)
+
+  resources = [r for r in resources if r['type'] == 'google_sql_database']
+  assert len(resources) == 2
+  assert all(r['values']['instance'] == "db" for r in resources)
+  assert sorted(r['values']['name'] for r in resources) == ["db1", "db2"]