cloud-foundation-fabric/modules/kms/main.tf

124 lines
3.5 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.
*/
locals {
iam_additive_members = flatten([
for role, members in var.iam_additive : [
for member in members : {
member = member
role = role
}
]
])
key_iam_additive_members = flatten([
for key, roles in var.key_iam_additive : [
for role, members in roles : [
for member in members : {
key = key
member = member
role = role
}
]
]
])
key_iam_members = flatten([
for key, roles in var.key_iam : [
for role, members in roles : {
key = key
role = role
members = members
}
]
])
key_purpose = {
for key, attrs in var.keys : key => try(
var.key_purpose[key], var.key_purpose_defaults
)
}
keyring = (
var.keyring_create
? google_kms_key_ring.default.0
: data.google_kms_key_ring.default.0
)
}
data "google_kms_key_ring" "default" {
count = var.keyring_create ? 0 : 1
project = var.project_id
name = var.keyring.name
location = var.keyring.location
}
resource "google_kms_key_ring" "default" {
count = var.keyring_create ? 1 : 0
project = var.project_id
name = var.keyring.name
location = var.keyring.location
}
resource "google_kms_key_ring_iam_binding" "default" {
for_each = var.iam
key_ring_id = local.keyring.id
role = each.key
members = each.value
}
resource "google_kms_key_ring_iam_member" "default" {
for_each = {
for binding in local.iam_additive_members :
"${binding.role}${binding.member}" => binding
}
key_ring_id = local.keyring.id
role = each.value.role
member = each.value.member
}
resource "google_kms_crypto_key" "default" {
for_each = var.keys
key_ring = local.keyring.id
name = each.key
rotation_period = try(each.value.rotation_period, null)
labels = try(each.value.labels, null)
purpose = try(local.key_purpose[each.key].purpose, null)
dynamic "version_template" {
for_each = local.key_purpose[each.key].version_template == null ? [] : [""]
content {
algorithm = local.key_purpose[each.key].version_template.algorithm
protection_level = local.key_purpose[each.key].version_template.protection_level
}
}
}
resource "google_kms_crypto_key_iam_binding" "default" {
for_each = {
for binding in local.key_iam_members :
"${binding.key}.${binding.role}" => binding
}
role = each.value.role
crypto_key_id = google_kms_crypto_key.default[each.value.key].id
members = each.value.members
}
resource "google_kms_crypto_key_iam_member" "default" {
for_each = {
for binding in local.key_iam_additive_members :
"${binding.key}.${binding.role}${binding.member}" => binding
}
role = each.value.role
crypto_key_id = google_kms_crypto_key.default[each.value.key].id
member = each.value.member
}