Cloud function v2 integration with kms

GoogleCloudPlatform · May 14, 2024 · 1808659 · 1808659
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diff --git a/modules/cloud-function-v2/README.md b/modules/cloud-function-v2/README.md
@@ -281,9 +281,9 @@ module "cf-http" {
 |---|---|:---:|:---:|:---:|
 | [bucket_name](variables.tf#L26) | Name of the bucket that will be used for the function code. It will be created with prefix prepended if bucket_config is not null. | <code>string</code> | ✓ |  |
 | [bundle_config](variables.tf#L38) | Cloud function source folder and generated zip bundle paths. Output path defaults to '/tmp/bundle.zip' if null. | <code title="object&#40;&#123;&#10;  source_dir  &#61; string&#10;  output_path &#61; optional&#40;string&#41;&#10;  excludes    &#61; optional&#40;list&#40;string&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
-| [name](variables.tf#L103) | Name used for cloud function and associated resources. | <code>string</code> | ✓ |  |
-| [project_id](variables.tf#L118) | Project id used for all resources. | <code>string</code> | ✓ |  |
-| [region](variables.tf#L123) | Region used for all resources. | <code>string</code> | ✓ |  |
+| [name](variables.tf#L109) | Name used for cloud function and associated resources. | <code>string</code> | ✓ |  |
+| [project_id](variables.tf#L124) | Project id used for all resources. | <code>string</code> | ✓ |  |
+| [region](variables.tf#L129) | Region used for all resources. | <code>string</code> | ✓ |  |
 | [bucket_config](variables.tf#L17) | Enable and configure auto-created bucket. Set fields to null to use defaults. | <code title="object&#40;&#123;&#10;  location                  &#61; optional&#40;string&#41;&#10;  lifecycle_delete_age_days &#61; optional&#40;number&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
 | [build_worker_pool](variables.tf#L32) | Build worker pool, in projects/<PROJECT-ID>/locations/<REGION>/workerPools/<POOL_NAME> format. | <code>string</code> |  | <code>null</code> |
 | [description](variables.tf#L47) | Optional description. | <code>string</code> |  | <code>&#34;Terraform managed.&#34;</code> |
@@ -292,14 +292,15 @@ module "cf-http" {
 | [function_config](variables.tf#L65) | Cloud function configuration. Defaults to using main as entrypoint, 1 instance with 256MiB of memory, and 180 second timeout. | <code title="object&#40;&#123;&#10;  entry_point     &#61; optional&#40;string, &#34;main&#34;&#41;&#10;  instance_count  &#61; optional&#40;number, 1&#41;&#10;  memory_mb       &#61; optional&#40;number, 256&#41; &#35; Memory in MB&#10;  cpu             &#61; optional&#40;string, &#34;0.166&#34;&#41;&#10;  runtime         &#61; optional&#40;string, &#34;python310&#34;&#41;&#10;  timeout_seconds &#61; optional&#40;number, 180&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  entry_point     &#61; &#34;main&#34;&#10;  instance_count  &#61; 1&#10;  memory_mb       &#61; 256&#10;  cpu             &#61; &#34;0.166&#34;&#10;  runtime         &#61; &#34;python310&#34;&#10;  timeout_seconds &#61; 180&#10;&#125;">&#123;&#8230;&#125;</code> |
 | [iam](variables.tf#L85) | IAM bindings for topic in {ROLE => [MEMBERS]} format. | <code>map&#40;list&#40;string&#41;&#41;</code> |  | <code>&#123;&#125;</code> |
 | [ingress_settings](variables.tf#L91) | Control traffic that reaches the cloud function. Allowed values are ALLOW_ALL, ALLOW_INTERNAL_AND_GCLB and ALLOW_INTERNAL_ONLY . | <code>string</code> |  | <code>null</code> |
-| [labels](variables.tf#L97) | Resource labels. | <code>map&#40;string&#41;</code> |  | <code>&#123;&#125;</code> |
-| [prefix](variables.tf#L108) | Optional prefix used for resource names. | <code>string</code> |  | <code>null</code> |
-| [secrets](variables.tf#L128) | Secret Manager secrets. Key is the variable name or mountpoint, volume versions are in version:path format. | <code title="map&#40;object&#40;&#123;&#10;  is_volume  &#61; bool&#10;  project_id &#61; number&#10;  secret     &#61; string&#10;  versions   &#61; list&#40;string&#41;&#10;&#125;&#41;&#41;">map&#40;object&#40;&#123;&#8230;&#125;&#41;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [service_account](variables.tf#L140) | Service account email. Unused if service account is auto-created. | <code>string</code> |  | <code>null</code> |
-| [service_account_create](variables.tf#L146) | Auto-create service account. | <code>bool</code> |  | <code>false</code> |
-| [trigger_config](variables.tf#L152) | Function trigger configuration. Leave null for HTTP trigger. | <code title="object&#40;&#123;&#10;  event_type   &#61; string&#10;  pubsub_topic &#61; optional&#40;string&#41;&#10;  region       &#61; optional&#40;string&#41;&#10;  event_filters &#61; optional&#40;list&#40;object&#40;&#123;&#10;    attribute &#61; string&#10;    value     &#61; string&#10;    operator  &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;, &#91;&#93;&#41;&#10;  service_account_email  &#61; optional&#40;string&#41;&#10;  service_account_create &#61; optional&#40;bool, false&#41;&#10;  retry_policy           &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
-| [vpc_connector](variables.tf#L170) | VPC connector configuration. Set create to 'true' if a new connector needs to be created. | <code title="object&#40;&#123;&#10;  create          &#61; bool&#10;  name            &#61; string&#10;  egress_settings &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
-| [vpc_connector_config](variables.tf#L180) | VPC connector network configuration. Must be provided if new VPC connector is being created. | <code title="object&#40;&#123;&#10;  ip_cidr_range &#61; string&#10;  network       &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
+| [kms_key](variables.tf#L97) | Resource name of a KMS crypto key (managed by the user) used to encrypt/decrypt function resources. It must match the pattern projects/{project}/locations/{location}/keyRings/{key_ring}/cryptoKeys/{crypto_key}. If specified, you must also provide an artifact registry repository using the docker_repository_id field that was created with the same KMS crypto key. | <code>string</code> |  | <code>null</code> |
+| [labels](variables.tf#L103) | Resource labels. | <code>map&#40;string&#41;</code> |  | <code>&#123;&#125;</code> |
+| [prefix](variables.tf#L114) | Optional prefix used for resource names. | <code>string</code> |  | <code>null</code> |
+| [secrets](variables.tf#L134) | Secret Manager secrets. Key is the variable name or mountpoint, volume versions are in version:path format. | <code title="map&#40;object&#40;&#123;&#10;  is_volume  &#61; bool&#10;  project_id &#61; number&#10;  secret     &#61; string&#10;  versions   &#61; list&#40;string&#41;&#10;&#125;&#41;&#41;">map&#40;object&#40;&#123;&#8230;&#125;&#41;&#41;</code> |  | <code>&#123;&#125;</code> |
+| [service_account](variables.tf#L146) | Service account email. Unused if service account is auto-created. | <code>string</code> |  | <code>null</code> |
+| [service_account_create](variables.tf#L152) | Auto-create service account. | <code>bool</code> |  | <code>false</code> |
+| [trigger_config](variables.tf#L158) | Function trigger configuration. Leave null for HTTP trigger. | <code title="object&#40;&#123;&#10;  event_type   &#61; string&#10;  pubsub_topic &#61; optional&#40;string&#41;&#10;  region       &#61; optional&#40;string&#41;&#10;  event_filters &#61; optional&#40;list&#40;object&#40;&#123;&#10;    attribute &#61; string&#10;    value     &#61; string&#10;    operator  &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;, &#91;&#93;&#41;&#10;  service_account_email  &#61; optional&#40;string&#41;&#10;  service_account_create &#61; optional&#40;bool, false&#41;&#10;  retry_policy           &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
+| [vpc_connector](variables.tf#L176) | VPC connector configuration. Set create to 'true' if a new connector needs to be created. | <code title="object&#40;&#123;&#10;  create          &#61; bool&#10;  name            &#61; string&#10;  egress_settings &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
+| [vpc_connector_config](variables.tf#L186) | VPC connector network configuration. Must be provided if new VPC connector is being created. | <code title="object&#40;&#123;&#10;  ip_cidr_range &#61; string&#10;  network       &#61; string&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
 
 ## Outputs
 

diff --git a/modules/cloud-function-v2/main.tf b/modules/cloud-function-v2/main.tf
@@ -59,11 +59,12 @@ resource "google_vpc_access_connector" "connector" {
 }
 
 resource "google_cloudfunctions2_function" "function" {
-  provider    = google-beta
-  project     = var.project_id
-  location    = var.region
-  name        = "${local.prefix}${var.name}"
-  description = var.description
+  provider     = google-beta
+  project      = var.project_id
+  location     = var.region
+  name         = "${local.prefix}${var.name}"
+  description  = var.description
+  kms_key_name = var.kms_key
   build_config {
     worker_pool           = var.build_worker_pool
     runtime               = var.function_config.runtime

diff --git a/modules/cloud-function-v2/variables.tf b/modules/cloud-function-v2/variables.tf
@@ -94,6 +94,12 @@ variable "ingress_settings" {
   default     = null
 }
 
+variable "kms_key" {
+  description = "Resource name of a KMS crypto key (managed by the user) used to encrypt/decrypt function resources. It must match the pattern projects/{project}/locations/{location}/keyRings/{key_ring}/cryptoKeys/{crypto_key}. If specified, you must also provide an artifact registry repository using the docker_repository_id field that was created with the same KMS crypto key."
+  type        = string
+  default     = null
+}
+
 variable "labels" {
   description = "Resource labels."
   type        = map(string)