Files
hunfabric/blueprints/data-solutions/shielded-folder/log-export.tf
2023-01-21 01:08:51 +01:00

96 lines
3.4 KiB
HCL

/**
* Copyright 2022 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.
*/
# tfdoc:file:description Audit log project and sink.
locals {
gcs_storage_class = (
length(split("-", var.log_locations.gcs)) < 2
? "MULTI_REGIONAL"
: "REGIONAL"
)
log_types = toset([for k, v in var.log_sinks : v.type])
_log_keys = {
bq = [module.log-kms[var.log_locations.bq].keys["log-bq"].id]
pubsub = try([module.log-kms[var.log_locations.pubsub].keys["log-pubsub"].id], null)
storage = [module.log-kms[var.log_locations.gcs].keys["log-gcs"].id]
}
log_keys = {
for service, key in local._log_keys : service => key if key != null
}
}
module "log-export-project" {
source = "../../../modules/project"
name = "audit-logs"
parent = module.folder.id
billing_account = try(var.projects_create.billing_account_id, null)
project_create = var.projects_create != null
prefix = var.projects_create == null ? null : var.prefix
iam = {
# "roles/owner" = [module.automation-tf-bootstrap-sa.iam_email]
}
services = [
"bigquery.googleapis.com",
"storage.googleapis.com",
"stackdriver.googleapis.com"
]
service_encryption_key_ids = local.log_keys
}
# one log export per type, with conditionals to skip those not needed
module "log-export-dataset" {
source = "../../../modules/bigquery-dataset"
count = contains(local.log_types, "bigquery") ? 1 : 0
project_id = module.log-export-project.project_id
id = "${var.prefix}_audit_export"
friendly_name = "Audit logs export."
location = replace(var.log_locations.bq, "europe", "EU")
encryption_key = module.log-kms[var.log_locations.bq].keys["log-bq"].id
}
module "log-export-gcs" {
source = "../../../modules/gcs"
count = contains(local.log_types, "storage") ? 1 : 0
project_id = module.log-export-project.project_id
name = "audit-logs"
prefix = var.prefix
location = replace(var.log_locations.gcs, "europe", "EU")
storage_class = local.gcs_storage_class
encryption_key = module.log-kms[var.log_locations.gcs].keys["log-gcs"].id
}
module "log-export-logbucket" {
source = "../../../modules/logging-bucket"
for_each = toset([for k, v in var.log_sinks : k if v.type == "logging"])
parent_type = "project"
parent = module.log-export-project.project_id
id = "audit-logs-${each.key}"
location = var.log_locations.logging
#TODO check if logging bucket support encryption.
}
module "log-export-pubsub" {
source = "../../../modules/pubsub"
for_each = toset([for k, v in var.log_sinks : k if v.type == "pubsub"])
project_id = module.log-export-project.project_id
name = "audit-logs-${each.key}"
regions = [var.log_locations.pubsub]
kms_key = module.log-kms[var.log_locations.pubsub].keys["log-pubsub"].id
}